/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-match-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 13:49:09,106 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 13:49:09,107 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 13:49:09,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-15 13:49:09,189 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 13:49:09,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 13:49:09,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 13:49:09,196 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-03-15 13:49:09,214 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 13:49:09,214 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 13:49:09,214 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-15 13:49:09,214 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-15 13:49:09,215 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 13:49:09,215 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 13:49:09,218 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 13:49:09,218 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 13:49:09,218 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 13:49:09,218 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 13:49:09,219 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 13:49:09,219 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 13:49:09,219 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 13:49:09,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 13:49:09,219 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 13:49:09,219 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 13:49:09,219 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 13:49:09,219 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 13:49:09,219 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 13:49:09,219 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 13:49:09,220 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 13:49:09,220 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 13:49:09,220 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 13:49:09,220 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 13:49:09,221 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 13:49:09,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 13:49:09,221 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 13:49:09,221 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-15 13:49:09,221 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 13:49:09,221 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 13:49:09,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 13:49:09,222 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-15 13:49:09,222 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 13:49:09,222 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-15 13:49:09,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 13:49:09,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 13:49:09,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 13:49:09,436 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 13:49:09,437 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 13:49:09,438 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-match-symm.wvr.c [2022-03-15 13:49:09,488 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d393b4fd/0bbbeb9db51f4e7c87d46a2a861ef4d7/FLAG06c893b94 [2022-03-15 13:49:09,869 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 13:49:09,869 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-match-symm.wvr.c [2022-03-15 13:49:09,878 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d393b4fd/0bbbeb9db51f4e7c87d46a2a861ef4d7/FLAG06c893b94 [2022-03-15 13:49:09,890 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d393b4fd/0bbbeb9db51f4e7c87d46a2a861ef4d7 [2022-03-15 13:49:09,891 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 13:49:09,893 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 13:49:09,894 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 13:49:09,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 13:49:09,897 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 13:49:09,898 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:49:09" (1/1) ... [2022-03-15 13:49:09,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@362973a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:49:09, skipping insertion in model container [2022-03-15 13:49:09,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:49:09" (1/1) ... [2022-03-15 13:49:09,903 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 13:49:09,916 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 13:49:10,116 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-match-symm.wvr.c[2584,2597] [2022-03-15 13:49:10,130 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 13:49:10,135 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 13:49:10,162 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-match-symm.wvr.c[2584,2597] [2022-03-15 13:49:10,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 13:49:10,174 INFO L208 MainTranslator]: Completed translation [2022-03-15 13:49:10,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:49:10 WrapperNode [2022-03-15 13:49:10,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 13:49:10,176 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 13:49:10,176 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 13:49:10,176 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 13:49:10,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:49:10" (1/1) ... [2022-03-15 13:49:10,193 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:49:10" (1/1) ... [2022-03-15 13:49:10,218 INFO L137 Inliner]: procedures = 22, calls = 27, calls flagged for inlining = 11, calls inlined = 17, statements flattened = 180 [2022-03-15 13:49:10,218 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 13:49:10,219 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 13:49:10,219 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 13:49:10,219 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 13:49:10,225 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:49:10" (1/1) ... [2022-03-15 13:49:10,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:49:10" (1/1) ... [2022-03-15 13:49:10,228 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:49:10" (1/1) ... [2022-03-15 13:49:10,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:49:10" (1/1) ... [2022-03-15 13:49:10,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:49:10" (1/1) ... [2022-03-15 13:49:10,242 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:49:10" (1/1) ... [2022-03-15 13:49:10,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:49:10" (1/1) ... [2022-03-15 13:49:10,245 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 13:49:10,246 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 13:49:10,246 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 13:49:10,246 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 13:49:10,254 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:49:10" (1/1) ... [2022-03-15 13:49:10,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 13:49:10,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 13:49:10,278 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-15 13:49:10,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-15 13:49:10,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 13:49:10,318 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-15 13:49:10,319 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-15 13:49:10,319 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-15 13:49:10,319 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-15 13:49:10,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-15 13:49:10,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 13:49:10,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 13:49:10,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 13:49:10,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 13:49:10,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-15 13:49:10,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 13:49:10,320 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-15 13:49:10,422 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 13:49:10,423 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 13:49:10,654 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 13:49:10,662 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 13:49:10,662 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-15 13:49:10,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:49:10 BoogieIcfgContainer [2022-03-15 13:49:10,664 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 13:49:10,665 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 13:49:10,665 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 13:49:10,668 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 13:49:10,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 01:49:09" (1/3) ... [2022-03-15 13:49:10,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@622cae6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:49:10, skipping insertion in model container [2022-03-15 13:49:10,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:49:10" (2/3) ... [2022-03-15 13:49:10,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@622cae6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:49:10, skipping insertion in model container [2022-03-15 13:49:10,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:49:10" (3/3) ... [2022-03-15 13:49:10,670 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-match-symm.wvr.c [2022-03-15 13:49:10,673 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 13:49:10,673 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-15 13:49:10,673 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-15 13:49:10,674 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 13:49:10,710 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,710 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,710 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,711 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,711 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,711 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,711 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,711 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,711 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,711 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,711 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,711 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,712 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,712 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,712 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,712 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,712 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,718 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,718 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,718 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,718 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,719 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,719 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,719 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,720 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,720 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,720 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,720 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,720 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,720 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,720 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,721 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,721 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,721 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,721 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,721 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,721 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,721 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,722 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,722 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,722 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,722 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,722 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,722 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,722 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,722 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,723 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,723 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,723 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,723 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,723 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,723 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,723 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,724 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,724 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,724 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,724 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,724 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,724 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,724 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,724 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,725 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,725 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,725 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,725 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,725 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,726 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,726 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,726 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,726 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,726 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,726 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,726 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,726 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,726 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,727 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,727 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,727 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,727 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,727 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,727 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,727 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,727 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,727 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,727 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,728 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,728 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,728 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,728 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,728 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,728 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,728 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,729 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,729 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,729 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,729 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,729 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,729 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,729 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,730 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,730 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,730 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,730 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,730 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,730 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,731 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,731 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,731 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,735 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,736 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,736 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,736 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,736 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,736 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,736 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,736 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,737 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,737 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,737 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,737 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,737 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,737 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,737 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,737 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,738 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,738 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,738 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,738 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,738 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,739 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,739 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,739 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,739 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,739 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,739 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,740 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,740 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,741 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,742 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,742 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,742 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,742 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,742 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,742 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,743 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,743 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,743 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,743 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,743 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,743 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,743 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,743 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,744 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,744 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,744 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,744 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,744 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,744 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,744 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,744 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,744 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,744 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,745 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,745 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,745 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,745 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,745 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,745 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,745 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,745 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,746 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,746 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,746 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,746 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,746 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,746 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,746 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,746 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,746 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,746 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,747 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,747 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,747 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,747 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,747 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,747 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,747 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,747 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,748 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,748 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,748 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,749 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,749 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,749 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,749 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,749 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,749 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,749 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,749 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,749 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,749 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,750 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,750 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,750 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,750 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,750 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,750 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,750 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,750 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,751 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,756 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,756 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,759 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,759 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,759 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,760 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,760 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,760 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,761 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,761 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,764 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,766 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,766 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,766 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,766 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,767 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,767 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,767 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,767 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,767 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,767 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,767 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,768 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,768 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,768 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,768 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,768 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,768 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,768 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,768 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,772 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,773 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,773 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,773 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,773 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,773 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,773 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,773 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,773 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,774 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,774 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,774 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,774 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,774 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,774 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,774 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,775 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,775 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,775 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,775 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,775 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,775 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,775 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,775 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,775 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,775 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,776 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,776 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,776 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,776 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,776 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,776 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,776 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,776 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,776 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,776 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,776 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,777 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,777 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,777 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,777 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,777 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,777 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,778 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,778 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,778 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,778 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,778 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,778 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,778 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,778 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,778 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,778 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,779 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,779 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,779 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,779 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,779 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,779 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,780 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,780 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,780 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,780 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,780 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,780 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,780 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,780 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,780 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,780 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,781 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,781 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,781 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,781 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,781 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,781 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,781 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,781 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,781 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,782 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,782 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,782 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,782 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,782 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,782 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,783 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,783 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,786 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,786 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,786 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,787 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,787 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,787 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,788 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,788 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,788 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,788 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,788 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,789 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,789 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,789 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,789 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,789 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,789 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,790 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,790 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,790 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,790 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,793 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,793 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,794 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,795 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,795 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,795 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,795 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,795 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,795 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,796 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,796 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,796 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,796 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,796 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,796 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,796 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,803 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,803 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,803 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,804 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,804 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,804 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,804 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,804 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,804 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,804 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,804 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,804 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,804 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,807 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,807 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,807 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,807 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,807 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,807 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,807 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,807 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,807 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,807 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,809 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,810 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,810 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,810 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,810 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,810 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,810 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,810 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,810 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,810 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,810 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,810 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,811 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,811 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,811 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,811 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,811 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:49:10,813 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-03-15 13:49:10,843 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 13:49:10,847 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-15 13:49:10,847 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-03-15 13:49:10,857 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 240 places, 252 transitions, 520 flow [2022-03-15 13:49:11,286 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 21452 states, 21451 states have (on average 2.9129644305626776) internal successors, (62486), 21451 states have internal predecessors, (62486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:11,401 INFO L276 IsEmpty]: Start isEmpty. Operand has 21452 states, 21451 states have (on average 2.9129644305626776) internal successors, (62486), 21451 states have internal predecessors, (62486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:11,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-03-15 13:49:11,512 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:49:11,513 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:49:11,514 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:49:11,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:49:11,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1046478131, now seen corresponding path program 1 times [2022-03-15 13:49:11,526 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:49:11,527 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158943180] [2022-03-15 13:49:11,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:49:11,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:49:11,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:49:11,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:49:11,886 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:49:11,886 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158943180] [2022-03-15 13:49:11,887 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158943180] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:49:11,887 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:49:11,887 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 13:49:11,888 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310061861] [2022-03-15 13:49:11,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:49:11,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 13:49:11,892 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:49:11,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 13:49:11,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 13:49:11,956 INFO L87 Difference]: Start difference. First operand has 21452 states, 21451 states have (on average 2.9129644305626776) internal successors, (62486), 21451 states have internal predecessors, (62486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:12,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:49:12,293 INFO L93 Difference]: Finished difference Result 26277 states and 72723 transitions. [2022-03-15 13:49:12,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 13:49:12,296 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-03-15 13:49:12,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:49:12,409 INFO L225 Difference]: With dead ends: 26277 [2022-03-15 13:49:12,409 INFO L226 Difference]: Without dead ends: 23711 [2022-03-15 13:49:12,410 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 13:49:12,415 INFO L933 BasicCegarLoop]: 366 mSDtfsCounter, 143 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 13:49:12,416 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 578 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 13:49:12,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23711 states. [2022-03-15 13:49:13,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23711 to 22771. [2022-03-15 13:49:13,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22771 states, 22770 states have (on average 2.7727711901624943) internal successors, (63136), 22770 states have internal predecessors, (63136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:13,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22771 states to 22771 states and 63136 transitions. [2022-03-15 13:49:13,223 INFO L78 Accepts]: Start accepts. Automaton has 22771 states and 63136 transitions. Word has length 191 [2022-03-15 13:49:13,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:49:13,226 INFO L470 AbstractCegarLoop]: Abstraction has 22771 states and 63136 transitions. [2022-03-15 13:49:13,226 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:13,227 INFO L276 IsEmpty]: Start isEmpty. Operand 22771 states and 63136 transitions. [2022-03-15 13:49:13,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-03-15 13:49:13,425 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:49:13,425 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:49:13,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 13:49:13,425 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:49:13,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:49:13,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1705055825, now seen corresponding path program 2 times [2022-03-15 13:49:13,428 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:49:13,429 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272606718] [2022-03-15 13:49:13,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:49:13,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:49:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:49:13,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:49:13,561 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:49:13,561 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272606718] [2022-03-15 13:49:13,561 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272606718] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:49:13,562 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:49:13,562 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 13:49:13,562 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268429134] [2022-03-15 13:49:13,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:49:13,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 13:49:13,565 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:49:13,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 13:49:13,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 13:49:13,568 INFO L87 Difference]: Start difference. First operand 22771 states and 63136 transitions. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:13,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:49:13,911 INFO L93 Difference]: Finished difference Result 27236 states and 74778 transitions. [2022-03-15 13:49:13,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 13:49:13,912 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-03-15 13:49:13,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:49:13,985 INFO L225 Difference]: With dead ends: 27236 [2022-03-15 13:49:13,985 INFO L226 Difference]: Without dead ends: 27236 [2022-03-15 13:49:13,986 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 13:49:13,987 INFO L933 BasicCegarLoop]: 367 mSDtfsCounter, 167 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 13:49:13,987 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [167 Valid, 568 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 13:49:14,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27236 states. [2022-03-15 13:49:14,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27236 to 26367. [2022-03-15 13:49:14,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26367 states, 26366 states have (on average 2.7478570886748086) internal successors, (72450), 26366 states have internal predecessors, (72450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:14,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26367 states to 26367 states and 72450 transitions. [2022-03-15 13:49:14,708 INFO L78 Accepts]: Start accepts. Automaton has 26367 states and 72450 transitions. Word has length 191 [2022-03-15 13:49:14,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:49:14,711 INFO L470 AbstractCegarLoop]: Abstraction has 26367 states and 72450 transitions. [2022-03-15 13:49:14,711 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:14,711 INFO L276 IsEmpty]: Start isEmpty. Operand 26367 states and 72450 transitions. [2022-03-15 13:49:14,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-03-15 13:49:14,790 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:49:14,790 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:49:14,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-15 13:49:14,790 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:49:14,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:49:14,791 INFO L85 PathProgramCache]: Analyzing trace with hash 91385591, now seen corresponding path program 1 times [2022-03-15 13:49:14,791 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:49:14,791 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561136121] [2022-03-15 13:49:14,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:49:14,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:49:14,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:49:14,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:49:14,990 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:49:14,991 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561136121] [2022-03-15 13:49:14,991 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561136121] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:49:14,991 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:49:14,991 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-15 13:49:14,991 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797102637] [2022-03-15 13:49:14,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:49:14,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 13:49:14,992 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:49:14,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 13:49:14,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-03-15 13:49:14,992 INFO L87 Difference]: Start difference. First operand 26367 states and 72450 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:15,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:49:15,393 INFO L93 Difference]: Finished difference Result 27268 states and 74722 transitions. [2022-03-15 13:49:15,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-15 13:49:15,393 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-03-15 13:49:15,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:49:15,454 INFO L225 Difference]: With dead ends: 27268 [2022-03-15 13:49:15,454 INFO L226 Difference]: Without dead ends: 25360 [2022-03-15 13:49:15,457 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2022-03-15 13:49:15,460 INFO L933 BasicCegarLoop]: 393 mSDtfsCounter, 306 mSDsluCounter, 1379 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 1737 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 13:49:15,461 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [306 Valid, 1737 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 13:49:15,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25360 states. [2022-03-15 13:49:15,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25360 to 24779. [2022-03-15 13:49:15,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24779 states, 24778 states have (on average 2.7533699249334087) internal successors, (68223), 24778 states have internal predecessors, (68223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:16,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24779 states to 24779 states and 68223 transitions. [2022-03-15 13:49:16,064 INFO L78 Accepts]: Start accepts. Automaton has 24779 states and 68223 transitions. Word has length 193 [2022-03-15 13:49:16,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:49:16,065 INFO L470 AbstractCegarLoop]: Abstraction has 24779 states and 68223 transitions. [2022-03-15 13:49:16,065 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:16,065 INFO L276 IsEmpty]: Start isEmpty. Operand 24779 states and 68223 transitions. [2022-03-15 13:49:16,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-03-15 13:49:16,116 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:49:16,116 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:49:16,116 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-15 13:49:16,116 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:49:16,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:49:16,117 INFO L85 PathProgramCache]: Analyzing trace with hash 220120295, now seen corresponding path program 2 times [2022-03-15 13:49:16,117 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:49:16,117 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612469729] [2022-03-15 13:49:16,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:49:16,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:49:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:49:16,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:49:16,427 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:49:16,427 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612469729] [2022-03-15 13:49:16,427 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612469729] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:49:16,427 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:49:16,427 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-15 13:49:16,427 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867118618] [2022-03-15 13:49:16,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:49:16,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 13:49:16,428 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:49:16,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 13:49:16,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-03-15 13:49:16,429 INFO L87 Difference]: Start difference. First operand 24779 states and 68223 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:16,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:49:16,677 INFO L93 Difference]: Finished difference Result 25301 states and 69550 transitions. [2022-03-15 13:49:16,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-15 13:49:16,678 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-03-15 13:49:16,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:49:16,739 INFO L225 Difference]: With dead ends: 25301 [2022-03-15 13:49:16,739 INFO L226 Difference]: Without dead ends: 25016 [2022-03-15 13:49:16,739 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2022-03-15 13:49:16,744 INFO L933 BasicCegarLoop]: 331 mSDtfsCounter, 124 mSDsluCounter, 1544 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 1844 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 13:49:16,744 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 1844 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 13:49:16,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25016 states. [2022-03-15 13:49:17,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25016 to 24783. [2022-03-15 13:49:17,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24783 states, 24782 states have (on average 2.7532079735291743) internal successors, (68230), 24782 states have internal predecessors, (68230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:17,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24783 states to 24783 states and 68230 transitions. [2022-03-15 13:49:17,375 INFO L78 Accepts]: Start accepts. Automaton has 24783 states and 68230 transitions. Word has length 193 [2022-03-15 13:49:17,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:49:17,375 INFO L470 AbstractCegarLoop]: Abstraction has 24783 states and 68230 transitions. [2022-03-15 13:49:17,375 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:17,375 INFO L276 IsEmpty]: Start isEmpty. Operand 24783 states and 68230 transitions. [2022-03-15 13:49:17,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-03-15 13:49:17,422 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:49:17,422 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:49:17,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-15 13:49:17,423 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:49:17,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:49:17,423 INFO L85 PathProgramCache]: Analyzing trace with hash 632035177, now seen corresponding path program 3 times [2022-03-15 13:49:17,423 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:49:17,423 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39474265] [2022-03-15 13:49:17,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:49:17,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:49:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:49:17,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:49:17,543 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:49:17,543 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39474265] [2022-03-15 13:49:17,543 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39474265] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:49:17,543 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:49:17,543 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-15 13:49:17,543 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672808627] [2022-03-15 13:49:17,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:49:17,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 13:49:17,543 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:49:17,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 13:49:17,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-03-15 13:49:17,544 INFO L87 Difference]: Start difference. First operand 24783 states and 68230 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:17,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:49:17,917 INFO L93 Difference]: Finished difference Result 25198 states and 69286 transitions. [2022-03-15 13:49:17,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-15 13:49:17,917 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-03-15 13:49:17,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:49:17,979 INFO L225 Difference]: With dead ends: 25198 [2022-03-15 13:49:17,979 INFO L226 Difference]: Without dead ends: 24947 [2022-03-15 13:49:17,980 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2022-03-15 13:49:17,980 INFO L933 BasicCegarLoop]: 315 mSDtfsCounter, 99 mSDsluCounter, 1617 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 1907 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 13:49:17,980 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [99 Valid, 1907 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 13:49:18,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24947 states. [2022-03-15 13:49:18,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24947 to 24787. [2022-03-15 13:49:18,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24787 states, 24786 states have (on average 2.753046074396837) internal successors, (68237), 24786 states have internal predecessors, (68237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:18,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24787 states to 24787 states and 68237 transitions. [2022-03-15 13:49:18,530 INFO L78 Accepts]: Start accepts. Automaton has 24787 states and 68237 transitions. Word has length 193 [2022-03-15 13:49:18,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:49:18,531 INFO L470 AbstractCegarLoop]: Abstraction has 24787 states and 68237 transitions. [2022-03-15 13:49:18,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:18,531 INFO L276 IsEmpty]: Start isEmpty. Operand 24787 states and 68237 transitions. [2022-03-15 13:49:18,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-03-15 13:49:18,571 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:49:18,571 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:49:18,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-15 13:49:18,572 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:49:18,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:49:18,572 INFO L85 PathProgramCache]: Analyzing trace with hash 771229479, now seen corresponding path program 4 times [2022-03-15 13:49:18,572 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:49:18,572 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583411750] [2022-03-15 13:49:18,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:49:18,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:49:18,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:49:18,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:49:18,670 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:49:18,670 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583411750] [2022-03-15 13:49:18,670 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583411750] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:49:18,670 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:49:18,670 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-15 13:49:18,670 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953401631] [2022-03-15 13:49:18,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:49:18,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 13:49:18,670 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:49:18,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 13:49:18,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-03-15 13:49:18,671 INFO L87 Difference]: Start difference. First operand 24787 states and 68237 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:19,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:49:19,064 INFO L93 Difference]: Finished difference Result 25169 states and 69204 transitions. [2022-03-15 13:49:19,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-15 13:49:19,065 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-03-15 13:49:19,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:49:19,115 INFO L225 Difference]: With dead ends: 25169 [2022-03-15 13:49:19,116 INFO L226 Difference]: Without dead ends: 24697 [2022-03-15 13:49:19,116 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2022-03-15 13:49:19,116 INFO L933 BasicCegarLoop]: 323 mSDtfsCounter, 95 mSDsluCounter, 2109 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 2395 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 13:49:19,117 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [95 Valid, 2395 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 13:49:19,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24697 states. [2022-03-15 13:49:19,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24697 to 24569. [2022-03-15 13:49:19,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24569 states, 24568 states have (on average 2.75358189514816) internal successors, (67650), 24568 states have internal predecessors, (67650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:19,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24569 states to 24569 states and 67650 transitions. [2022-03-15 13:49:19,585 INFO L78 Accepts]: Start accepts. Automaton has 24569 states and 67650 transitions. Word has length 193 [2022-03-15 13:49:19,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:49:19,585 INFO L470 AbstractCegarLoop]: Abstraction has 24569 states and 67650 transitions. [2022-03-15 13:49:19,585 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:19,585 INFO L276 IsEmpty]: Start isEmpty. Operand 24569 states and 67650 transitions. [2022-03-15 13:49:19,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-03-15 13:49:19,620 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:49:19,620 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:49:19,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-15 13:49:19,621 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:49:19,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:49:19,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1404106581, now seen corresponding path program 5 times [2022-03-15 13:49:19,621 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:49:19,621 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651023947] [2022-03-15 13:49:19,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:49:19,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:49:19,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:49:19,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:49:19,720 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:49:19,720 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651023947] [2022-03-15 13:49:19,720 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651023947] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:49:19,721 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:49:19,721 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-15 13:49:19,721 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499944398] [2022-03-15 13:49:19,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:49:19,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 13:49:19,721 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:49:19,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 13:49:19,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-03-15 13:49:19,722 INFO L87 Difference]: Start difference. First operand 24569 states and 67650 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:20,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:49:20,143 INFO L93 Difference]: Finished difference Result 25247 states and 69405 transitions. [2022-03-15 13:49:20,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-15 13:49:20,143 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-03-15 13:49:20,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:49:20,200 INFO L225 Difference]: With dead ends: 25247 [2022-03-15 13:49:20,201 INFO L226 Difference]: Without dead ends: 24962 [2022-03-15 13:49:20,201 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2022-03-15 13:49:20,202 INFO L933 BasicCegarLoop]: 324 mSDtfsCounter, 148 mSDsluCounter, 1497 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 1792 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 13:49:20,202 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 1792 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 13:49:20,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24962 states. [2022-03-15 13:49:20,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24962 to 24577. [2022-03-15 13:49:20,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24577 states, 24576 states have (on average 2.75341796875) internal successors, (67668), 24576 states have internal predecessors, (67668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:20,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24577 states to 24577 states and 67668 transitions. [2022-03-15 13:49:20,798 INFO L78 Accepts]: Start accepts. Automaton has 24577 states and 67668 transitions. Word has length 193 [2022-03-15 13:49:20,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:49:20,799 INFO L470 AbstractCegarLoop]: Abstraction has 24577 states and 67668 transitions. [2022-03-15 13:49:20,799 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:20,799 INFO L276 IsEmpty]: Start isEmpty. Operand 24577 states and 67668 transitions. [2022-03-15 13:49:20,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-03-15 13:49:20,834 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:49:20,834 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:49:20,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-15 13:49:20,835 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:49:20,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:49:20,835 INFO L85 PathProgramCache]: Analyzing trace with hash -992191699, now seen corresponding path program 6 times [2022-03-15 13:49:20,835 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:49:20,835 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269208587] [2022-03-15 13:49:20,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:49:20,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:49:20,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:49:20,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:49:20,933 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:49:20,933 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269208587] [2022-03-15 13:49:20,933 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269208587] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:49:20,933 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:49:20,933 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-15 13:49:20,934 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947914394] [2022-03-15 13:49:20,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:49:20,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 13:49:20,934 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:49:20,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 13:49:20,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-03-15 13:49:20,934 INFO L87 Difference]: Start difference. First operand 24577 states and 67668 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:21,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:49:21,171 INFO L93 Difference]: Finished difference Result 25168 states and 69207 transitions. [2022-03-15 13:49:21,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-15 13:49:21,172 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-03-15 13:49:21,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:49:21,229 INFO L225 Difference]: With dead ends: 25168 [2022-03-15 13:49:21,229 INFO L226 Difference]: Without dead ends: 24917 [2022-03-15 13:49:21,230 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2022-03-15 13:49:21,230 INFO L933 BasicCegarLoop]: 319 mSDtfsCounter, 133 mSDsluCounter, 1561 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 1852 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 13:49:21,230 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 1852 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 13:49:21,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24917 states. [2022-03-15 13:49:21,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24917 to 24581. [2022-03-15 13:49:21,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24581 states, 24580 states have (on average 2.7532546786004883) internal successors, (67675), 24580 states have internal predecessors, (67675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:21,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24581 states to 24581 states and 67675 transitions. [2022-03-15 13:49:21,886 INFO L78 Accepts]: Start accepts. Automaton has 24581 states and 67675 transitions. Word has length 193 [2022-03-15 13:49:21,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:49:21,886 INFO L470 AbstractCegarLoop]: Abstraction has 24581 states and 67675 transitions. [2022-03-15 13:49:21,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:21,887 INFO L276 IsEmpty]: Start isEmpty. Operand 24581 states and 67675 transitions. [2022-03-15 13:49:21,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-03-15 13:49:21,925 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:49:21,926 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:49:21,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-15 13:49:21,926 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:49:21,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:49:21,926 INFO L85 PathProgramCache]: Analyzing trace with hash -852997397, now seen corresponding path program 7 times [2022-03-15 13:49:21,926 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:49:21,927 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184261724] [2022-03-15 13:49:21,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:49:21,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:49:21,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:49:22,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:49:22,036 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:49:22,036 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184261724] [2022-03-15 13:49:22,036 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184261724] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:49:22,036 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:49:22,036 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-15 13:49:22,036 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534122513] [2022-03-15 13:49:22,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:49:22,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 13:49:22,037 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:49:22,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 13:49:22,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-03-15 13:49:22,038 INFO L87 Difference]: Start difference. First operand 24581 states and 67675 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:22,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:49:22,282 INFO L93 Difference]: Finished difference Result 25139 states and 69125 transitions. [2022-03-15 13:49:22,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-15 13:49:22,282 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-03-15 13:49:22,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:49:22,341 INFO L225 Difference]: With dead ends: 25139 [2022-03-15 13:49:22,341 INFO L226 Difference]: Without dead ends: 24877 [2022-03-15 13:49:22,341 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2022-03-15 13:49:22,342 INFO L933 BasicCegarLoop]: 316 mSDtfsCounter, 138 mSDsluCounter, 1840 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 2124 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 13:49:22,342 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 2124 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 13:49:22,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24877 states. [2022-03-15 13:49:22,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24877 to 24573. [2022-03-15 13:49:22,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24573 states, 24572 states have (on average 2.753418525150578) internal successors, (67657), 24572 states have internal predecessors, (67657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:22,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24573 states to 24573 states and 67657 transitions. [2022-03-15 13:49:22,893 INFO L78 Accepts]: Start accepts. Automaton has 24573 states and 67657 transitions. Word has length 193 [2022-03-15 13:49:22,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:49:22,894 INFO L470 AbstractCegarLoop]: Abstraction has 24573 states and 67657 transitions. [2022-03-15 13:49:22,894 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:22,894 INFO L276 IsEmpty]: Start isEmpty. Operand 24573 states and 67657 transitions. [2022-03-15 13:49:22,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-03-15 13:49:22,928 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:49:22,929 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:49:22,929 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-15 13:49:22,929 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:49:22,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:49:22,929 INFO L85 PathProgramCache]: Analyzing trace with hash 280309727, now seen corresponding path program 8 times [2022-03-15 13:49:22,929 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:49:22,929 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470629859] [2022-03-15 13:49:22,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:49:22,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:49:22,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:49:23,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:49:23,015 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:49:23,015 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470629859] [2022-03-15 13:49:23,015 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470629859] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:49:23,015 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:49:23,015 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-15 13:49:23,015 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032634267] [2022-03-15 13:49:23,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:49:23,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 13:49:23,016 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:49:23,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 13:49:23,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-03-15 13:49:23,016 INFO L87 Difference]: Start difference. First operand 24573 states and 67657 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:23,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:49:23,410 INFO L93 Difference]: Finished difference Result 25148 states and 69152 transitions. [2022-03-15 13:49:23,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-15 13:49:23,411 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-03-15 13:49:23,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:49:23,460 INFO L225 Difference]: With dead ends: 25148 [2022-03-15 13:49:23,460 INFO L226 Difference]: Without dead ends: 24897 [2022-03-15 13:49:23,461 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2022-03-15 13:49:23,461 INFO L933 BasicCegarLoop]: 378 mSDtfsCounter, 220 mSDsluCounter, 2374 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 2718 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 13:49:23,461 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [220 Valid, 2718 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 13:49:23,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24897 states. [2022-03-15 13:49:23,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24897 to 24581. [2022-03-15 13:49:23,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24581 states, 24580 states have (on average 2.7532546786004883) internal successors, (67675), 24580 states have internal predecessors, (67675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:23,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24581 states to 24581 states and 67675 transitions. [2022-03-15 13:49:23,943 INFO L78 Accepts]: Start accepts. Automaton has 24581 states and 67675 transitions. Word has length 193 [2022-03-15 13:49:23,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:49:23,943 INFO L470 AbstractCegarLoop]: Abstraction has 24581 states and 67675 transitions. [2022-03-15 13:49:23,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:23,943 INFO L276 IsEmpty]: Start isEmpty. Operand 24581 states and 67675 transitions. [2022-03-15 13:49:23,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-03-15 13:49:23,979 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:49:23,979 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:49:23,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-15 13:49:23,980 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:49:23,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:49:23,980 INFO L85 PathProgramCache]: Analyzing trace with hash 419504029, now seen corresponding path program 9 times [2022-03-15 13:49:23,980 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:49:23,980 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111865823] [2022-03-15 13:49:23,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:49:23,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:49:23,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:49:24,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:49:24,061 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:49:24,061 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111865823] [2022-03-15 13:49:24,061 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111865823] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:49:24,061 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:49:24,061 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-15 13:49:24,061 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951636666] [2022-03-15 13:49:24,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:49:24,062 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 13:49:24,062 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:49:24,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 13:49:24,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-03-15 13:49:24,062 INFO L87 Difference]: Start difference. First operand 24581 states and 67675 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:24,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:49:24,281 INFO L93 Difference]: Finished difference Result 25146 states and 69138 transitions. [2022-03-15 13:49:24,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-15 13:49:24,282 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-03-15 13:49:24,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:49:24,338 INFO L225 Difference]: With dead ends: 25146 [2022-03-15 13:49:24,338 INFO L226 Difference]: Without dead ends: 24888 [2022-03-15 13:49:24,338 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2022-03-15 13:49:24,339 INFO L933 BasicCegarLoop]: 373 mSDtfsCounter, 216 mSDsluCounter, 2054 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 2397 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 13:49:24,339 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [216 Valid, 2397 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 13:49:24,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24888 states. [2022-03-15 13:49:24,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24888 to 24577. [2022-03-15 13:49:24,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24577 states, 24576 states have (on average 2.7532552083333335) internal successors, (67664), 24576 states have internal predecessors, (67664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:24,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24577 states to 24577 states and 67664 transitions. [2022-03-15 13:49:24,855 INFO L78 Accepts]: Start accepts. Automaton has 24577 states and 67664 transitions. Word has length 193 [2022-03-15 13:49:24,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:49:24,856 INFO L470 AbstractCegarLoop]: Abstraction has 24577 states and 67664 transitions. [2022-03-15 13:49:24,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:24,856 INFO L276 IsEmpty]: Start isEmpty. Operand 24577 states and 67664 transitions. [2022-03-15 13:49:24,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-03-15 13:49:24,892 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:49:24,892 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:49:24,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-15 13:49:24,892 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:49:24,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:49:24,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1183725507, now seen corresponding path program 10 times [2022-03-15 13:49:24,893 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:49:24,893 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773457475] [2022-03-15 13:49:24,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:49:24,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:49:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:49:25,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:49:25,122 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:49:25,122 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773457475] [2022-03-15 13:49:25,122 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773457475] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:49:25,123 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:49:25,123 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-15 13:49:25,123 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074508866] [2022-03-15 13:49:25,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:49:25,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 13:49:25,123 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:49:25,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 13:49:25,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-03-15 13:49:25,124 INFO L87 Difference]: Start difference. First operand 24577 states and 67664 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:25,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:49:25,387 INFO L93 Difference]: Finished difference Result 25480 states and 69966 transitions. [2022-03-15 13:49:25,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-15 13:49:25,388 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-03-15 13:49:25,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:49:25,434 INFO L225 Difference]: With dead ends: 25480 [2022-03-15 13:49:25,434 INFO L226 Difference]: Without dead ends: 23023 [2022-03-15 13:49:25,435 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420 [2022-03-15 13:49:25,435 INFO L933 BasicCegarLoop]: 447 mSDtfsCounter, 508 mSDsluCounter, 2139 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 2558 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 13:49:25,435 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [508 Valid, 2558 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 13:49:25,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23023 states. [2022-03-15 13:49:25,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23023 to 22399. [2022-03-15 13:49:25,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22399 states, 22398 states have (on average 2.754308420394678) internal successors, (61691), 22398 states have internal predecessors, (61691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:25,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22399 states to 22399 states and 61691 transitions. [2022-03-15 13:49:25,976 INFO L78 Accepts]: Start accepts. Automaton has 22399 states and 61691 transitions. Word has length 193 [2022-03-15 13:49:25,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:49:25,976 INFO L470 AbstractCegarLoop]: Abstraction has 22399 states and 61691 transitions. [2022-03-15 13:49:25,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:25,976 INFO L276 IsEmpty]: Start isEmpty. Operand 22399 states and 61691 transitions. [2022-03-15 13:49:26,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-03-15 13:49:26,008 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:49:26,008 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:49:26,008 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-15 13:49:26,008 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:49:26,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:49:26,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1030717563, now seen corresponding path program 1 times [2022-03-15 13:49:26,008 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:49:26,009 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026474088] [2022-03-15 13:49:26,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:49:26,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:49:26,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:49:26,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:49:26,097 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:49:26,097 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026474088] [2022-03-15 13:49:26,097 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026474088] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:49:26,097 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:49:26,097 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-15 13:49:26,097 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504139465] [2022-03-15 13:49:26,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:49:26,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 13:49:26,098 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:49:26,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 13:49:26,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-03-15 13:49:26,098 INFO L87 Difference]: Start difference. First operand 22399 states and 61691 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:26,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:49:26,335 INFO L93 Difference]: Finished difference Result 23273 states and 63897 transitions. [2022-03-15 13:49:26,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-15 13:49:26,336 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-03-15 13:49:26,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:49:26,375 INFO L225 Difference]: With dead ends: 23273 [2022-03-15 13:49:26,375 INFO L226 Difference]: Without dead ends: 21560 [2022-03-15 13:49:26,375 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2022-03-15 13:49:26,376 INFO L933 BasicCegarLoop]: 381 mSDtfsCounter, 339 mSDsluCounter, 1928 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 2280 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 13:49:26,376 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [339 Valid, 2280 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 13:49:26,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21560 states. [2022-03-15 13:49:26,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21560 to 21003. [2022-03-15 13:49:26,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21003 states, 21002 states have (on average 2.7544043424435767) internal successors, (57848), 21002 states have internal predecessors, (57848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:26,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21003 states to 21003 states and 57848 transitions. [2022-03-15 13:49:26,810 INFO L78 Accepts]: Start accepts. Automaton has 21003 states and 57848 transitions. Word has length 193 [2022-03-15 13:49:26,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:49:26,810 INFO L470 AbstractCegarLoop]: Abstraction has 21003 states and 57848 transitions. [2022-03-15 13:49:26,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:26,810 INFO L276 IsEmpty]: Start isEmpty. Operand 21003 states and 57848 transitions. [2022-03-15 13:49:26,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-03-15 13:49:26,840 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:49:26,840 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:49:26,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-15 13:49:26,840 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:49:26,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:49:26,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1690865081, now seen corresponding path program 2 times [2022-03-15 13:49:26,841 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:49:26,841 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380106940] [2022-03-15 13:49:26,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:49:26,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:49:26,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:49:26,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:49:26,919 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:49:26,919 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380106940] [2022-03-15 13:49:26,919 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380106940] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:49:26,919 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:49:26,920 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-15 13:49:26,920 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088025836] [2022-03-15 13:49:26,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:49:26,920 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 13:49:26,920 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:49:26,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 13:49:26,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-03-15 13:49:26,921 INFO L87 Difference]: Start difference. First operand 21003 states and 57848 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:27,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:49:27,138 INFO L93 Difference]: Finished difference Result 21522 states and 59163 transitions. [2022-03-15 13:49:27,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-15 13:49:27,138 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-03-15 13:49:27,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:49:27,177 INFO L225 Difference]: With dead ends: 21522 [2022-03-15 13:49:27,177 INFO L226 Difference]: Without dead ends: 21237 [2022-03-15 13:49:27,177 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=261, Unknown=0, NotChecked=0, Total=342 [2022-03-15 13:49:27,178 INFO L933 BasicCegarLoop]: 323 mSDtfsCounter, 144 mSDsluCounter, 1875 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 2165 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 13:49:27,178 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 2165 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 13:49:27,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21237 states. [2022-03-15 13:49:27,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21237 to 21007. [2022-03-15 13:49:27,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21007 states, 21006 states have (on average 2.754213081976578) internal successors, (57855), 21006 states have internal predecessors, (57855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:27,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21007 states to 21007 states and 57855 transitions. [2022-03-15 13:49:27,632 INFO L78 Accepts]: Start accepts. Automaton has 21007 states and 57855 transitions. Word has length 193 [2022-03-15 13:49:27,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:49:27,633 INFO L470 AbstractCegarLoop]: Abstraction has 21007 states and 57855 transitions. [2022-03-15 13:49:27,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:27,635 INFO L276 IsEmpty]: Start isEmpty. Operand 21007 states and 57855 transitions. [2022-03-15 13:49:27,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-03-15 13:49:27,664 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:49:27,665 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:49:27,665 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-15 13:49:27,665 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:49:27,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:49:27,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1239264329, now seen corresponding path program 3 times [2022-03-15 13:49:27,665 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:49:27,665 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432872643] [2022-03-15 13:49:27,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:49:27,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:49:27,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:49:27,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:49:27,762 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:49:27,762 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432872643] [2022-03-15 13:49:27,763 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432872643] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:49:27,763 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:49:27,763 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-15 13:49:27,763 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689493975] [2022-03-15 13:49:27,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:49:27,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 13:49:27,763 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:49:27,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 13:49:27,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-03-15 13:49:27,764 INFO L87 Difference]: Start difference. First operand 21007 states and 57855 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:27,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:49:27,954 INFO L93 Difference]: Finished difference Result 21442 states and 58951 transitions. [2022-03-15 13:49:27,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-15 13:49:27,954 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-03-15 13:49:27,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:49:27,991 INFO L225 Difference]: With dead ends: 21442 [2022-03-15 13:49:27,991 INFO L226 Difference]: Without dead ends: 21185 [2022-03-15 13:49:27,991 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2022-03-15 13:49:27,992 INFO L933 BasicCegarLoop]: 316 mSDtfsCounter, 117 mSDsluCounter, 1498 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 1788 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 13:49:27,992 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [117 Valid, 1788 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 13:49:28,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21185 states. [2022-03-15 13:49:28,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21185 to 21011. [2022-03-15 13:49:28,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21011 states, 21010 states have (on average 2.7540218943360304) internal successors, (57862), 21010 states have internal predecessors, (57862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:28,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21011 states to 21011 states and 57862 transitions. [2022-03-15 13:49:28,468 INFO L78 Accepts]: Start accepts. Automaton has 21011 states and 57862 transitions. Word has length 193 [2022-03-15 13:49:28,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:49:28,469 INFO L470 AbstractCegarLoop]: Abstraction has 21011 states and 57862 transitions. [2022-03-15 13:49:28,469 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:28,469 INFO L276 IsEmpty]: Start isEmpty. Operand 21011 states and 57862 transitions. [2022-03-15 13:49:28,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-03-15 13:49:28,497 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:49:28,497 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:49:28,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-15 13:49:28,497 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:49:28,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:49:28,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1378458631, now seen corresponding path program 4 times [2022-03-15 13:49:28,498 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:49:28,498 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767710962] [2022-03-15 13:49:28,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:49:28,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:49:28,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:49:28,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:49:28,595 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:49:28,595 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767710962] [2022-03-15 13:49:28,597 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767710962] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:49:28,597 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:49:28,597 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-15 13:49:28,597 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665818293] [2022-03-15 13:49:28,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:49:28,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 13:49:28,597 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:49:28,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 13:49:28,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-03-15 13:49:28,598 INFO L87 Difference]: Start difference. First operand 21011 states and 57862 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:28,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:49:28,797 INFO L93 Difference]: Finished difference Result 21405 states and 58847 transitions. [2022-03-15 13:49:28,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-15 13:49:28,797 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-03-15 13:49:28,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:49:28,836 INFO L225 Difference]: With dead ends: 21405 [2022-03-15 13:49:28,836 INFO L226 Difference]: Without dead ends: 20933 [2022-03-15 13:49:28,836 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2022-03-15 13:49:28,837 INFO L933 BasicCegarLoop]: 310 mSDtfsCounter, 127 mSDsluCounter, 1383 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 1667 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 13:49:28,837 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 1667 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 13:49:28,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20933 states. [2022-03-15 13:49:29,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20933 to 20799. [2022-03-15 13:49:29,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20799 states, 20798 states have (on average 2.754447543032984) internal successors, (57287), 20798 states have internal predecessors, (57287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:29,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20799 states to 20799 states and 57287 transitions. [2022-03-15 13:49:29,291 INFO L78 Accepts]: Start accepts. Automaton has 20799 states and 57287 transitions. Word has length 193 [2022-03-15 13:49:29,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:49:29,291 INFO L470 AbstractCegarLoop]: Abstraction has 20799 states and 57287 transitions. [2022-03-15 13:49:29,291 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:29,291 INFO L276 IsEmpty]: Start isEmpty. Operand 20799 states and 57287 transitions. [2022-03-15 13:49:29,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-03-15 13:49:29,320 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:49:29,320 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:49:29,320 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-15 13:49:29,320 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:49:29,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:49:29,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1297262731, now seen corresponding path program 5 times [2022-03-15 13:49:29,321 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:49:29,321 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855208370] [2022-03-15 13:49:29,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:49:29,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:49:29,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:49:29,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:49:29,403 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:49:29,403 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855208370] [2022-03-15 13:49:29,403 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855208370] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:49:29,403 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:49:29,403 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-15 13:49:29,403 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494711669] [2022-03-15 13:49:29,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:49:29,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 13:49:29,403 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:49:29,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 13:49:29,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-03-15 13:49:29,404 INFO L87 Difference]: Start difference. First operand 20799 states and 57287 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:29,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:49:29,680 INFO L93 Difference]: Finished difference Result 21743 states and 59677 transitions. [2022-03-15 13:49:29,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-15 13:49:29,680 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-03-15 13:49:29,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:49:29,712 INFO L225 Difference]: With dead ends: 21743 [2022-03-15 13:49:29,712 INFO L226 Difference]: Without dead ends: 19891 [2022-03-15 13:49:29,712 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2022-03-15 13:49:29,712 INFO L933 BasicCegarLoop]: 458 mSDtfsCounter, 499 mSDsluCounter, 2858 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 499 SdHoareTripleChecker+Valid, 3267 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 13:49:29,713 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [499 Valid, 3267 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 13:49:29,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19891 states. [2022-03-15 13:49:30,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19891 to 19246. [2022-03-15 13:49:30,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19246 states, 19245 states have (on average 2.7619641465315667) internal successors, (53154), 19245 states have internal predecessors, (53154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:30,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19246 states to 19246 states and 53154 transitions. [2022-03-15 13:49:30,125 INFO L78 Accepts]: Start accepts. Automaton has 19246 states and 53154 transitions. Word has length 193 [2022-03-15 13:49:30,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:49:30,125 INFO L470 AbstractCegarLoop]: Abstraction has 19246 states and 53154 transitions. [2022-03-15 13:49:30,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:30,125 INFO L276 IsEmpty]: Start isEmpty. Operand 19246 states and 53154 transitions. [2022-03-15 13:49:30,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-03-15 13:49:30,151 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:49:30,151 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:49:30,152 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-03-15 13:49:30,152 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:49:30,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:49:30,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1976717757, now seen corresponding path program 6 times [2022-03-15 13:49:30,152 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:49:30,152 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810205930] [2022-03-15 13:49:30,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:49:30,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:49:30,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:49:30,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:49:30,233 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:49:30,233 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810205930] [2022-03-15 13:49:30,233 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810205930] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:49:30,233 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:49:30,233 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-15 13:49:30,233 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768291266] [2022-03-15 13:49:30,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:49:30,233 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 13:49:30,234 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:49:30,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 13:49:30,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-03-15 13:49:30,234 INFO L87 Difference]: Start difference. First operand 19246 states and 53154 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:30,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:49:30,408 INFO L93 Difference]: Finished difference Result 19795 states and 54576 transitions. [2022-03-15 13:49:30,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-15 13:49:30,408 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-03-15 13:49:30,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:49:30,442 INFO L225 Difference]: With dead ends: 19795 [2022-03-15 13:49:30,442 INFO L226 Difference]: Without dead ends: 19538 [2022-03-15 13:49:30,442 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2022-03-15 13:49:30,443 INFO L933 BasicCegarLoop]: 388 mSDtfsCounter, 193 mSDsluCounter, 1705 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 2065 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 13:49:30,443 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 2065 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 13:49:30,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19538 states. [2022-03-15 13:49:30,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19538 to 19250. [2022-03-15 13:49:30,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19250 states, 19249 states have (on average 2.7617538573432387) internal successors, (53161), 19249 states have internal predecessors, (53161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:30,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19250 states to 19250 states and 53161 transitions. [2022-03-15 13:49:30,885 INFO L78 Accepts]: Start accepts. Automaton has 19250 states and 53161 transitions. Word has length 193 [2022-03-15 13:49:30,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:49:30,885 INFO L470 AbstractCegarLoop]: Abstraction has 19250 states and 53161 transitions. [2022-03-15 13:49:30,885 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:30,885 INFO L276 IsEmpty]: Start isEmpty. Operand 19250 states and 53161 transitions. [2022-03-15 13:49:30,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-03-15 13:49:30,912 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:49:30,912 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:49:30,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-03-15 13:49:30,912 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:49:30,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:49:30,913 INFO L85 PathProgramCache]: Analyzing trace with hash 2115912059, now seen corresponding path program 7 times [2022-03-15 13:49:30,913 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:49:30,913 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931030389] [2022-03-15 13:49:30,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:49:30,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:49:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:49:30,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:49:30,990 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:49:30,990 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931030389] [2022-03-15 13:49:30,990 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931030389] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:49:30,991 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:49:30,991 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-15 13:49:30,991 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835517542] [2022-03-15 13:49:30,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:49:30,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 13:49:30,991 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:49:30,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 13:49:30,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-03-15 13:49:30,992 INFO L87 Difference]: Start difference. First operand 19250 states and 53161 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:31,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:49:31,197 INFO L93 Difference]: Finished difference Result 19766 states and 54494 transitions. [2022-03-15 13:49:31,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-15 13:49:31,197 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-03-15 13:49:31,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:49:31,232 INFO L225 Difference]: With dead ends: 19766 [2022-03-15 13:49:31,232 INFO L226 Difference]: Without dead ends: 19296 [2022-03-15 13:49:31,233 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=258, Unknown=0, NotChecked=0, Total=342 [2022-03-15 13:49:31,233 INFO L933 BasicCegarLoop]: 396 mSDtfsCounter, 206 mSDsluCounter, 1801 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 2165 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 13:49:31,233 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [206 Valid, 2165 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 13:49:31,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19296 states. [2022-03-15 13:49:31,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19296 to 19040. [2022-03-15 13:49:31,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19040 states, 19039 states have (on average 2.7623299543043225) internal successors, (52592), 19039 states have internal predecessors, (52592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:31,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19040 states to 19040 states and 52592 transitions. [2022-03-15 13:49:31,571 INFO L78 Accepts]: Start accepts. Automaton has 19040 states and 52592 transitions. Word has length 193 [2022-03-15 13:49:31,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:49:31,572 INFO L470 AbstractCegarLoop]: Abstraction has 19040 states and 52592 transitions. [2022-03-15 13:49:31,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:31,572 INFO L276 IsEmpty]: Start isEmpty. Operand 19040 states and 52592 transitions. [2022-03-15 13:49:31,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-03-15 13:49:31,597 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:49:31,598 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:49:31,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-15 13:49:31,598 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:49:31,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:49:31,598 INFO L85 PathProgramCache]: Analyzing trace with hash 825578125, now seen corresponding path program 8 times [2022-03-15 13:49:31,598 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:49:31,598 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070144160] [2022-03-15 13:49:31,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:49:31,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:49:31,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:49:31,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:49:31,779 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:49:31,779 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070144160] [2022-03-15 13:49:31,779 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070144160] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:49:31,779 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:49:31,779 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-15 13:49:31,779 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534800697] [2022-03-15 13:49:31,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:49:31,780 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 13:49:31,780 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:49:31,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 13:49:31,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-03-15 13:49:31,780 INFO L87 Difference]: Start difference. First operand 19040 states and 52592 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:31,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:49:31,978 INFO L93 Difference]: Finished difference Result 19681 states and 54255 transitions. [2022-03-15 13:49:31,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-15 13:49:31,979 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-03-15 13:49:31,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:49:32,014 INFO L225 Difference]: With dead ends: 19681 [2022-03-15 13:49:32,015 INFO L226 Difference]: Without dead ends: 19396 [2022-03-15 13:49:32,015 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=227, Unknown=0, NotChecked=0, Total=306 [2022-03-15 13:49:32,016 INFO L933 BasicCegarLoop]: 325 mSDtfsCounter, 151 mSDsluCounter, 1660 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 1958 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 13:49:32,016 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 1958 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 13:49:32,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19396 states. [2022-03-15 13:49:32,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19396 to 19044. [2022-03-15 13:49:32,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19044 states, 19043 states have (on average 2.762117313448511) internal successors, (52599), 19043 states have internal predecessors, (52599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:32,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19044 states to 19044 states and 52599 transitions. [2022-03-15 13:49:32,392 INFO L78 Accepts]: Start accepts. Automaton has 19044 states and 52599 transitions. Word has length 193 [2022-03-15 13:49:32,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:49:32,392 INFO L470 AbstractCegarLoop]: Abstraction has 19044 states and 52599 transitions. [2022-03-15 13:49:32,392 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:32,392 INFO L276 IsEmpty]: Start isEmpty. Operand 19044 states and 52599 transitions. [2022-03-15 13:49:32,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-03-15 13:49:32,420 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:49:32,420 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:49:32,420 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-03-15 13:49:32,421 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:49:32,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:49:32,421 INFO L85 PathProgramCache]: Analyzing trace with hash -539259761, now seen corresponding path program 9 times [2022-03-15 13:49:32,421 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:49:32,421 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561084613] [2022-03-15 13:49:32,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:49:32,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:49:32,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:49:32,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:49:32,512 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:49:32,512 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561084613] [2022-03-15 13:49:32,512 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561084613] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:49:32,512 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:49:32,512 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-15 13:49:32,512 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893415402] [2022-03-15 13:49:32,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:49:32,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 13:49:32,513 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:49:32,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 13:49:32,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-03-15 13:49:32,513 INFO L87 Difference]: Start difference. First operand 19044 states and 52599 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:32,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:49:32,722 INFO L93 Difference]: Finished difference Result 19601 states and 54043 transitions. [2022-03-15 13:49:32,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-15 13:49:32,722 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-03-15 13:49:32,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:49:32,759 INFO L225 Difference]: With dead ends: 19601 [2022-03-15 13:49:32,759 INFO L226 Difference]: Without dead ends: 19344 [2022-03-15 13:49:32,759 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2022-03-15 13:49:32,759 INFO L933 BasicCegarLoop]: 318 mSDtfsCounter, 138 mSDsluCounter, 2062 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 2348 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 13:49:32,760 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 2348 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 13:49:32,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19344 states. [2022-03-15 13:49:33,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19344 to 19048. [2022-03-15 13:49:33,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19048 states, 19047 states have (on average 2.761904761904762) internal successors, (52606), 19047 states have internal predecessors, (52606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:33,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19048 states to 19048 states and 52606 transitions. [2022-03-15 13:49:33,150 INFO L78 Accepts]: Start accepts. Automaton has 19048 states and 52606 transitions. Word has length 193 [2022-03-15 13:49:33,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:49:33,150 INFO L470 AbstractCegarLoop]: Abstraction has 19048 states and 52606 transitions. [2022-03-15 13:49:33,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:33,150 INFO L276 IsEmpty]: Start isEmpty. Operand 19048 states and 52606 transitions. [2022-03-15 13:49:33,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-03-15 13:49:33,176 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:49:33,177 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:49:33,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-03-15 13:49:33,177 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:49:33,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:49:33,177 INFO L85 PathProgramCache]: Analyzing trace with hash -400065459, now seen corresponding path program 10 times [2022-03-15 13:49:33,177 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:49:33,178 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608353844] [2022-03-15 13:49:33,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:49:33,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:49:33,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:49:33,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:49:33,261 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:49:33,261 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608353844] [2022-03-15 13:49:33,261 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608353844] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:49:33,261 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:49:33,261 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-15 13:49:33,261 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120133419] [2022-03-15 13:49:33,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:49:33,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 13:49:33,262 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:49:33,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 13:49:33,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-03-15 13:49:33,262 INFO L87 Difference]: Start difference. First operand 19048 states and 52606 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:33,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:49:33,446 INFO L93 Difference]: Finished difference Result 19564 states and 53939 transitions. [2022-03-15 13:49:33,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-15 13:49:33,447 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-03-15 13:49:33,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:49:33,480 INFO L225 Difference]: With dead ends: 19564 [2022-03-15 13:49:33,480 INFO L226 Difference]: Without dead ends: 18684 [2022-03-15 13:49:33,480 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2022-03-15 13:49:33,481 INFO L933 BasicCegarLoop]: 318 mSDtfsCounter, 136 mSDsluCounter, 2084 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 2365 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 13:49:33,481 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 2365 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 13:49:33,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18684 states. [2022-03-15 13:49:33,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18684 to 18428. [2022-03-15 13:49:33,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18428 states, 18427 states have (on average 2.763662017691431) internal successors, (50926), 18427 states have internal predecessors, (50926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:33,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18428 states to 18428 states and 50926 transitions. [2022-03-15 13:49:33,816 INFO L78 Accepts]: Start accepts. Automaton has 18428 states and 50926 transitions. Word has length 193 [2022-03-15 13:49:33,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:49:33,816 INFO L470 AbstractCegarLoop]: Abstraction has 18428 states and 50926 transitions. [2022-03-15 13:49:33,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:33,816 INFO L276 IsEmpty]: Start isEmpty. Operand 18428 states and 50926 transitions. [2022-03-15 13:49:33,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-03-15 13:49:33,843 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:49:33,843 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:49:33,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-03-15 13:49:33,843 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:49:33,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:49:33,843 INFO L85 PathProgramCache]: Analyzing trace with hash 10836863, now seen corresponding path program 1 times [2022-03-15 13:49:33,843 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:49:33,844 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551325337] [2022-03-15 13:49:33,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:49:33,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:49:33,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:49:33,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:49:33,868 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:49:33,868 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551325337] [2022-03-15 13:49:33,868 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551325337] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:49:33,868 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:49:33,868 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 13:49:33,869 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705203524] [2022-03-15 13:49:33,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:49:33,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 13:49:33,869 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:49:33,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 13:49:33,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 13:49:33,869 INFO L87 Difference]: Start difference. First operand 18428 states and 50926 transitions. Second operand has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:33,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:49:33,944 INFO L93 Difference]: Finished difference Result 18257 states and 50319 transitions. [2022-03-15 13:49:33,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 13:49:33,944 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 195 [2022-03-15 13:49:33,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:49:33,977 INFO L225 Difference]: With dead ends: 18257 [2022-03-15 13:49:33,977 INFO L226 Difference]: Without dead ends: 18257 [2022-03-15 13:49:33,977 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 13:49:33,978 INFO L933 BasicCegarLoop]: 312 mSDtfsCounter, 162 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 13:49:33,978 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [162 Valid, 455 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 13:49:34,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18257 states. [2022-03-15 13:49:34,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18257 to 18218. [2022-03-15 13:49:34,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18218 states, 18217 states have (on average 2.756655870889828) internal successors, (50218), 18217 states have internal predecessors, (50218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:34,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18218 states to 18218 states and 50218 transitions. [2022-03-15 13:49:34,300 INFO L78 Accepts]: Start accepts. Automaton has 18218 states and 50218 transitions. Word has length 195 [2022-03-15 13:49:34,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:49:34,300 INFO L470 AbstractCegarLoop]: Abstraction has 18218 states and 50218 transitions. [2022-03-15 13:49:34,300 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:34,300 INFO L276 IsEmpty]: Start isEmpty. Operand 18218 states and 50218 transitions. [2022-03-15 13:49:34,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-03-15 13:49:34,325 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:49:34,325 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:49:34,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-03-15 13:49:34,326 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:49:34,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:49:34,326 INFO L85 PathProgramCache]: Analyzing trace with hash -385728195, now seen corresponding path program 1 times [2022-03-15 13:49:34,326 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:49:34,326 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761570] [2022-03-15 13:49:34,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:49:34,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:49:34,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:49:34,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:49:34,349 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:49:34,349 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761570] [2022-03-15 13:49:34,349 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761570] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:49:34,349 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:49:34,349 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 13:49:34,349 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344506567] [2022-03-15 13:49:34,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:49:34,350 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 13:49:34,350 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:49:34,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 13:49:34,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 13:49:34,350 INFO L87 Difference]: Start difference. First operand 18218 states and 50218 transitions. Second operand has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:34,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:49:34,420 INFO L93 Difference]: Finished difference Result 18083 states and 49706 transitions. [2022-03-15 13:49:34,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 13:49:34,421 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 195 [2022-03-15 13:49:34,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:49:34,451 INFO L225 Difference]: With dead ends: 18083 [2022-03-15 13:49:34,452 INFO L226 Difference]: Without dead ends: 18083 [2022-03-15 13:49:34,452 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 13:49:34,452 INFO L933 BasicCegarLoop]: 310 mSDtfsCounter, 163 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 13:49:34,453 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [163 Valid, 453 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 13:49:34,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18083 states. [2022-03-15 13:49:34,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18083 to 18083. [2022-03-15 13:49:34,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18083 states, 18082 states have (on average 2.7489215794712973) internal successors, (49706), 18082 states have internal predecessors, (49706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:34,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18083 states to 18083 states and 49706 transitions. [2022-03-15 13:49:34,772 INFO L78 Accepts]: Start accepts. Automaton has 18083 states and 49706 transitions. Word has length 195 [2022-03-15 13:49:34,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:49:34,772 INFO L470 AbstractCegarLoop]: Abstraction has 18083 states and 49706 transitions. [2022-03-15 13:49:34,772 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:34,772 INFO L276 IsEmpty]: Start isEmpty. Operand 18083 states and 49706 transitions. [2022-03-15 13:49:34,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:49:34,797 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:49:34,797 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:49:34,797 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-03-15 13:49:34,797 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:49:34,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:49:34,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1226716063, now seen corresponding path program 1 times [2022-03-15 13:49:34,798 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:49:34,798 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467495338] [2022-03-15 13:49:34,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:49:34,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:49:34,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:49:35,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:49:35,145 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:49:35,145 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467495338] [2022-03-15 13:49:35,145 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467495338] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:49:35,145 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:49:35,145 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:49:35,146 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205483414] [2022-03-15 13:49:35,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:49:35,146 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:49:35,146 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:49:35,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:49:35,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:49:35,147 INFO L87 Difference]: Start difference. First operand 18083 states and 49706 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:38,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:49:38,027 INFO L93 Difference]: Finished difference Result 30940 states and 84292 transitions. [2022-03-15 13:49:38,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-15 13:49:38,027 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:49:38,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:49:38,091 INFO L225 Difference]: With dead ends: 30940 [2022-03-15 13:49:38,091 INFO L226 Difference]: Without dead ends: 30940 [2022-03-15 13:49:38,093 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1026 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=693, Invalid=5007, Unknown=0, NotChecked=0, Total=5700 [2022-03-15 13:49:38,093 INFO L933 BasicCegarLoop]: 950 mSDtfsCounter, 2004 mSDsluCounter, 20794 mSDsCounter, 0 mSdLazyCounter, 4521 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2004 SdHoareTripleChecker+Valid, 21312 SdHoareTripleChecker+Invalid, 4542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:49:38,093 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2004 Valid, 21312 Invalid, 4542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4521 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:49:38,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30940 states. [2022-03-15 13:49:38,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30940 to 20351. [2022-03-15 13:49:38,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20351 states, 20350 states have (on average 2.7612285012285014) internal successors, (56191), 20350 states have internal predecessors, (56191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:38,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20351 states to 20351 states and 56191 transitions. [2022-03-15 13:49:38,615 INFO L78 Accepts]: Start accepts. Automaton has 20351 states and 56191 transitions. Word has length 199 [2022-03-15 13:49:38,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:49:38,616 INFO L470 AbstractCegarLoop]: Abstraction has 20351 states and 56191 transitions. [2022-03-15 13:49:38,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:38,616 INFO L276 IsEmpty]: Start isEmpty. Operand 20351 states and 56191 transitions. [2022-03-15 13:49:38,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:49:38,648 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:49:38,649 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:49:38,649 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-03-15 13:49:38,649 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:49:38,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:49:38,649 INFO L85 PathProgramCache]: Analyzing trace with hash -795081979, now seen corresponding path program 2 times [2022-03-15 13:49:38,649 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:49:38,650 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862213012] [2022-03-15 13:49:38,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:49:38,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:49:38,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:49:38,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:49:38,978 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:49:38,978 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862213012] [2022-03-15 13:49:38,978 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862213012] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:49:38,978 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:49:38,978 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:49:38,978 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601491991] [2022-03-15 13:49:38,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:49:38,979 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:49:38,979 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:49:38,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:49:38,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:49:38,979 INFO L87 Difference]: Start difference. First operand 20351 states and 56191 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:41,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:49:41,492 INFO L93 Difference]: Finished difference Result 29612 states and 80966 transitions. [2022-03-15 13:49:41,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-03-15 13:49:41,493 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:49:41,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:49:41,548 INFO L225 Difference]: With dead ends: 29612 [2022-03-15 13:49:41,548 INFO L226 Difference]: Without dead ends: 29612 [2022-03-15 13:49:41,550 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 887 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=607, Invalid=4505, Unknown=0, NotChecked=0, Total=5112 [2022-03-15 13:49:41,550 INFO L933 BasicCegarLoop]: 901 mSDtfsCounter, 1850 mSDsluCounter, 19530 mSDsCounter, 0 mSdLazyCounter, 4258 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1850 SdHoareTripleChecker+Valid, 20165 SdHoareTripleChecker+Invalid, 4279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 13:49:41,550 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1850 Valid, 20165 Invalid, 4279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4258 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 13:49:41,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29612 states. [2022-03-15 13:49:41,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29612 to 20602. [2022-03-15 13:49:41,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20602 states, 20601 states have (on average 2.760545604582302) internal successors, (56870), 20601 states have internal predecessors, (56870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:42,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20602 states to 20602 states and 56870 transitions. [2022-03-15 13:49:42,045 INFO L78 Accepts]: Start accepts. Automaton has 20602 states and 56870 transitions. Word has length 199 [2022-03-15 13:49:42,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:49:42,046 INFO L470 AbstractCegarLoop]: Abstraction has 20602 states and 56870 transitions. [2022-03-15 13:49:42,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:42,046 INFO L276 IsEmpty]: Start isEmpty. Operand 20602 states and 56870 transitions. [2022-03-15 13:49:42,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:49:42,076 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:49:42,076 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:49:42,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-03-15 13:49:42,076 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:49:42,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:49:42,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1128055391, now seen corresponding path program 3 times [2022-03-15 13:49:42,077 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:49:42,077 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461487328] [2022-03-15 13:49:42,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:49:42,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:49:42,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:49:42,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:49:42,396 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:49:42,396 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461487328] [2022-03-15 13:49:42,397 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461487328] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:49:42,397 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:49:42,397 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:49:42,397 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832417589] [2022-03-15 13:49:42,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:49:42,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:49:42,397 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:49:42,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:49:42,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:49:42,398 INFO L87 Difference]: Start difference. First operand 20602 states and 56870 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:44,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:49:44,854 INFO L93 Difference]: Finished difference Result 29212 states and 79945 transitions. [2022-03-15 13:49:44,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-15 13:49:44,854 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:49:44,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:49:44,909 INFO L225 Difference]: With dead ends: 29212 [2022-03-15 13:49:44,909 INFO L226 Difference]: Without dead ends: 29212 [2022-03-15 13:49:44,911 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 805 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=585, Invalid=4245, Unknown=0, NotChecked=0, Total=4830 [2022-03-15 13:49:44,911 INFO L933 BasicCegarLoop]: 896 mSDtfsCounter, 1673 mSDsluCounter, 19214 mSDsCounter, 0 mSdLazyCounter, 4216 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1673 SdHoareTripleChecker+Valid, 19854 SdHoareTripleChecker+Invalid, 4235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-15 13:49:44,911 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1673 Valid, 19854 Invalid, 4235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4216 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-15 13:49:44,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29212 states. [2022-03-15 13:49:45,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29212 to 20743. [2022-03-15 13:49:45,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20743 states, 20742 states have (on average 2.759569954681323) internal successors, (57239), 20742 states have internal predecessors, (57239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:45,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20743 states to 20743 states and 57239 transitions. [2022-03-15 13:49:45,368 INFO L78 Accepts]: Start accepts. Automaton has 20743 states and 57239 transitions. Word has length 199 [2022-03-15 13:49:45,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:49:45,368 INFO L470 AbstractCegarLoop]: Abstraction has 20743 states and 57239 transitions. [2022-03-15 13:49:45,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:45,368 INFO L276 IsEmpty]: Start isEmpty. Operand 20743 states and 57239 transitions. [2022-03-15 13:49:45,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:49:45,401 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:49:45,401 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:49:45,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-03-15 13:49:45,401 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:49:45,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:49:45,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1565625005, now seen corresponding path program 4 times [2022-03-15 13:49:45,402 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:49:45,402 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977012417] [2022-03-15 13:49:45,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:49:45,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:49:45,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:49:45,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:49:45,749 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:49:45,749 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977012417] [2022-03-15 13:49:45,749 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977012417] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:49:45,749 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:49:45,749 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:49:45,749 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724597006] [2022-03-15 13:49:45,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:49:45,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:49:45,750 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:49:45,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:49:45,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:49:45,751 INFO L87 Difference]: Start difference. First operand 20743 states and 57239 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:48,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:49:48,368 INFO L93 Difference]: Finished difference Result 30570 states and 83337 transitions. [2022-03-15 13:49:48,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-03-15 13:49:48,368 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:49:48,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:49:48,425 INFO L225 Difference]: With dead ends: 30570 [2022-03-15 13:49:48,425 INFO L226 Difference]: Without dead ends: 30570 [2022-03-15 13:49:48,427 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 843 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=601, Invalid=4369, Unknown=0, NotChecked=0, Total=4970 [2022-03-15 13:49:48,427 INFO L933 BasicCegarLoop]: 909 mSDtfsCounter, 1756 mSDsluCounter, 19472 mSDsCounter, 0 mSdLazyCounter, 4149 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1756 SdHoareTripleChecker+Valid, 20124 SdHoareTripleChecker+Invalid, 4168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-15 13:49:48,427 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1756 Valid, 20124 Invalid, 4168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4149 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-15 13:49:48,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30570 states. [2022-03-15 13:49:48,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30570 to 20790. [2022-03-15 13:49:48,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20790 states, 20789 states have (on average 2.759247679061042) internal successors, (57362), 20789 states have internal predecessors, (57362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:48,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20790 states to 20790 states and 57362 transitions. [2022-03-15 13:49:48,953 INFO L78 Accepts]: Start accepts. Automaton has 20790 states and 57362 transitions. Word has length 199 [2022-03-15 13:49:48,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:49:48,954 INFO L470 AbstractCegarLoop]: Abstraction has 20790 states and 57362 transitions. [2022-03-15 13:49:48,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:48,954 INFO L276 IsEmpty]: Start isEmpty. Operand 20790 states and 57362 transitions. [2022-03-15 13:49:48,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:49:48,986 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:49:48,986 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:49:48,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-03-15 13:49:48,986 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:49:48,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:49:48,987 INFO L85 PathProgramCache]: Analyzing trace with hash 2128110973, now seen corresponding path program 5 times [2022-03-15 13:49:48,987 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:49:48,987 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33549761] [2022-03-15 13:49:48,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:49:48,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:49:49,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:49:49,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:49:49,311 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:49:49,311 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33549761] [2022-03-15 13:49:49,312 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33549761] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:49:49,312 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:49:49,312 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:49:49,312 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610440227] [2022-03-15 13:49:49,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:49:49,312 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:49:49,312 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:49:49,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:49:49,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:49:49,313 INFO L87 Difference]: Start difference. First operand 20790 states and 57362 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:51,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:49:51,925 INFO L93 Difference]: Finished difference Result 31813 states and 86509 transitions. [2022-03-15 13:49:51,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-03-15 13:49:51,925 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:49:51,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:49:51,984 INFO L225 Difference]: With dead ends: 31813 [2022-03-15 13:49:51,984 INFO L226 Difference]: Without dead ends: 31813 [2022-03-15 13:49:51,985 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 883 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=614, Invalid=4498, Unknown=0, NotChecked=0, Total=5112 [2022-03-15 13:49:51,986 INFO L933 BasicCegarLoop]: 946 mSDtfsCounter, 1756 mSDsluCounter, 20195 mSDsCounter, 0 mSdLazyCounter, 4145 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1756 SdHoareTripleChecker+Valid, 20866 SdHoareTripleChecker+Invalid, 4164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 13:49:51,986 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1756 Valid, 20866 Invalid, 4164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4145 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 13:49:52,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31813 states. [2022-03-15 13:49:52,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31813 to 21401. [2022-03-15 13:49:52,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21401 states, 21400 states have (on average 2.7551869158878506) internal successors, (58961), 21400 states have internal predecessors, (58961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:52,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21401 states to 21401 states and 58961 transitions. [2022-03-15 13:49:52,417 INFO L78 Accepts]: Start accepts. Automaton has 21401 states and 58961 transitions. Word has length 199 [2022-03-15 13:49:52,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:49:52,418 INFO L470 AbstractCegarLoop]: Abstraction has 21401 states and 58961 transitions. [2022-03-15 13:49:52,418 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:52,418 INFO L276 IsEmpty]: Start isEmpty. Operand 21401 states and 58961 transitions. [2022-03-15 13:49:52,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:49:52,447 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:49:52,447 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:49:52,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-03-15 13:49:52,447 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:49:52,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:49:52,447 INFO L85 PathProgramCache]: Analyzing trace with hash -249094141, now seen corresponding path program 6 times [2022-03-15 13:49:52,448 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:49:52,448 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986982311] [2022-03-15 13:49:52,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:49:52,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:49:52,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:49:52,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:49:52,752 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:49:52,752 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986982311] [2022-03-15 13:49:52,752 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986982311] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:49:52,752 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:49:52,752 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:49:52,752 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898341296] [2022-03-15 13:49:52,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:49:52,753 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:49:52,753 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:49:52,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:49:52,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:49:52,753 INFO L87 Difference]: Start difference. First operand 21401 states and 58961 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:55,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:49:55,135 INFO L93 Difference]: Finished difference Result 32471 states and 88231 transitions. [2022-03-15 13:49:55,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-03-15 13:49:55,136 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:49:55,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:49:55,194 INFO L225 Difference]: With dead ends: 32471 [2022-03-15 13:49:55,195 INFO L226 Difference]: Without dead ends: 32471 [2022-03-15 13:49:55,196 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 885 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=610, Invalid=4502, Unknown=0, NotChecked=0, Total=5112 [2022-03-15 13:49:55,197 INFO L933 BasicCegarLoop]: 950 mSDtfsCounter, 1786 mSDsluCounter, 20339 mSDsCounter, 0 mSdLazyCounter, 4145 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1786 SdHoareTripleChecker+Valid, 21014 SdHoareTripleChecker+Invalid, 4164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-15 13:49:55,197 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1786 Valid, 21014 Invalid, 4164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4145 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-15 13:49:55,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32471 states. [2022-03-15 13:49:55,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32471 to 21448. [2022-03-15 13:49:55,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21448 states, 21447 states have (on average 2.7548841329789715) internal successors, (59084), 21447 states have internal predecessors, (59084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:55,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21448 states to 21448 states and 59084 transitions. [2022-03-15 13:49:55,608 INFO L78 Accepts]: Start accepts. Automaton has 21448 states and 59084 transitions. Word has length 199 [2022-03-15 13:49:55,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:49:55,608 INFO L470 AbstractCegarLoop]: Abstraction has 21448 states and 59084 transitions. [2022-03-15 13:49:55,608 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:55,608 INFO L276 IsEmpty]: Start isEmpty. Operand 21448 states and 59084 transitions. [2022-03-15 13:49:55,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:49:55,636 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:49:55,636 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:49:55,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-03-15 13:49:55,637 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:49:55,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:49:55,637 INFO L85 PathProgramCache]: Analyzing trace with hash -816277943, now seen corresponding path program 7 times [2022-03-15 13:49:55,637 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:49:55,637 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352173049] [2022-03-15 13:49:55,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:49:55,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:49:55,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:49:55,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:49:55,936 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:49:55,937 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352173049] [2022-03-15 13:49:55,937 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352173049] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:49:55,937 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:49:55,937 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:49:55,937 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808635812] [2022-03-15 13:49:55,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:49:55,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:49:55,937 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:49:55,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:49:55,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:49:55,938 INFO L87 Difference]: Start difference. First operand 21448 states and 59084 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:58,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:49:58,258 INFO L93 Difference]: Finished difference Result 32659 states and 88723 transitions. [2022-03-15 13:49:58,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-03-15 13:49:58,258 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:49:58,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:49:58,321 INFO L225 Difference]: With dead ends: 32659 [2022-03-15 13:49:58,321 INFO L226 Difference]: Without dead ends: 32659 [2022-03-15 13:49:58,323 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 887 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=606, Invalid=4506, Unknown=0, NotChecked=0, Total=5112 [2022-03-15 13:49:58,323 INFO L933 BasicCegarLoop]: 952 mSDtfsCounter, 1774 mSDsluCounter, 20457 mSDsCounter, 0 mSdLazyCounter, 3961 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1774 SdHoareTripleChecker+Valid, 21134 SdHoareTripleChecker+Invalid, 3980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 3961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 13:49:58,323 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1774 Valid, 21134 Invalid, 3980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 3961 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 13:49:58,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32659 states. [2022-03-15 13:49:58,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32659 to 21589. [2022-03-15 13:49:58,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21589 states, 21588 states have (on average 2.7539836946451732) internal successors, (59453), 21588 states have internal predecessors, (59453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:58,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21589 states to 21589 states and 59453 transitions. [2022-03-15 13:49:58,792 INFO L78 Accepts]: Start accepts. Automaton has 21589 states and 59453 transitions. Word has length 199 [2022-03-15 13:49:58,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:49:58,792 INFO L470 AbstractCegarLoop]: Abstraction has 21589 states and 59453 transitions. [2022-03-15 13:49:58,792 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:49:58,792 INFO L276 IsEmpty]: Start isEmpty. Operand 21589 states and 59453 transitions. [2022-03-15 13:49:58,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:49:58,822 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:49:58,822 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:49:58,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-03-15 13:49:58,822 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:49:58,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:49:58,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1071114681, now seen corresponding path program 8 times [2022-03-15 13:49:58,823 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:49:58,823 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632887667] [2022-03-15 13:49:58,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:49:58,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:49:58,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:49:59,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:49:59,122 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:49:59,122 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632887667] [2022-03-15 13:49:59,122 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632887667] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:49:59,122 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:49:59,122 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:49:59,122 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942834268] [2022-03-15 13:49:59,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:49:59,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:49:59,123 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:49:59,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:49:59,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:49:59,123 INFO L87 Difference]: Start difference. First operand 21589 states and 59453 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:01,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:50:01,415 INFO L93 Difference]: Finished difference Result 32941 states and 89461 transitions. [2022-03-15 13:50:01,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-03-15 13:50:01,415 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:50:01,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:50:01,476 INFO L225 Difference]: With dead ends: 32941 [2022-03-15 13:50:01,476 INFO L226 Difference]: Without dead ends: 32941 [2022-03-15 13:50:01,477 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 928 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=619, Invalid=4637, Unknown=0, NotChecked=0, Total=5256 [2022-03-15 13:50:01,478 INFO L933 BasicCegarLoop]: 954 mSDtfsCounter, 1789 mSDsluCounter, 20560 mSDsCounter, 0 mSdLazyCounter, 3838 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1789 SdHoareTripleChecker+Valid, 21239 SdHoareTripleChecker+Invalid, 3857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 3838 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 13:50:01,478 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1789 Valid, 21239 Invalid, 3857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 3838 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 13:50:01,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32941 states. [2022-03-15 13:50:01,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32941 to 21730. [2022-03-15 13:50:01,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21730 states, 21729 states have (on average 2.7530949422430853) internal successors, (59822), 21729 states have internal predecessors, (59822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:01,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21730 states to 21730 states and 59822 transitions. [2022-03-15 13:50:01,934 INFO L78 Accepts]: Start accepts. Automaton has 21730 states and 59822 transitions. Word has length 199 [2022-03-15 13:50:01,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:50:01,934 INFO L470 AbstractCegarLoop]: Abstraction has 21730 states and 59822 transitions. [2022-03-15 13:50:01,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:01,934 INFO L276 IsEmpty]: Start isEmpty. Operand 21730 states and 59822 transitions. [2022-03-15 13:50:01,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:50:01,963 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:50:01,963 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:50:01,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-03-15 13:50:01,963 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:50:01,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:50:01,964 INFO L85 PathProgramCache]: Analyzing trace with hash 700681267, now seen corresponding path program 9 times [2022-03-15 13:50:01,964 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:50:01,964 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458539727] [2022-03-15 13:50:01,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:50:01,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:50:01,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:50:02,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:50:02,278 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:50:02,278 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458539727] [2022-03-15 13:50:02,278 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458539727] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:50:02,278 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:50:02,279 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:50:02,279 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32917545] [2022-03-15 13:50:02,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:50:02,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:50:02,279 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:50:02,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:50:02,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:50:02,280 INFO L87 Difference]: Start difference. First operand 21730 states and 59822 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:04,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:50:04,384 INFO L93 Difference]: Finished difference Result 28372 states and 77421 transitions. [2022-03-15 13:50:04,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-03-15 13:50:04,384 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:50:04,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:50:04,440 INFO L225 Difference]: With dead ends: 28372 [2022-03-15 13:50:04,440 INFO L226 Difference]: Without dead ends: 28372 [2022-03-15 13:50:04,441 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 769 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=567, Invalid=4125, Unknown=0, NotChecked=0, Total=4692 [2022-03-15 13:50:04,442 INFO L933 BasicCegarLoop]: 871 mSDtfsCounter, 1624 mSDsluCounter, 18727 mSDsCounter, 0 mSdLazyCounter, 3474 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1624 SdHoareTripleChecker+Valid, 19317 SdHoareTripleChecker+Invalid, 3493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 3474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 13:50:04,442 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1624 Valid, 19317 Invalid, 3493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 3474 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 13:50:04,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28372 states. [2022-03-15 13:50:04,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28372 to 21871. [2022-03-15 13:50:04,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21871 states, 21870 states have (on average 2.752217649748514) internal successors, (60191), 21870 states have internal predecessors, (60191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:04,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21871 states to 21871 states and 60191 transitions. [2022-03-15 13:50:04,885 INFO L78 Accepts]: Start accepts. Automaton has 21871 states and 60191 transitions. Word has length 199 [2022-03-15 13:50:04,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:50:04,885 INFO L470 AbstractCegarLoop]: Abstraction has 21871 states and 60191 transitions. [2022-03-15 13:50:04,885 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:04,885 INFO L276 IsEmpty]: Start isEmpty. Operand 21871 states and 60191 transitions. [2022-03-15 13:50:04,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:50:04,914 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:50:04,914 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:50:04,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-03-15 13:50:04,914 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:50:04,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:50:04,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1610893309, now seen corresponding path program 10 times [2022-03-15 13:50:04,915 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:50:04,915 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787819057] [2022-03-15 13:50:04,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:50:04,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:50:04,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:50:05,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:50:05,241 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:50:05,241 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787819057] [2022-03-15 13:50:05,241 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787819057] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:50:05,241 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:50:05,241 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:50:05,241 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700984253] [2022-03-15 13:50:05,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:50:05,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:50:05,242 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:50:05,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:50:05,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:50:05,242 INFO L87 Difference]: Start difference. First operand 21871 states and 60191 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:07,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:50:07,897 INFO L93 Difference]: Finished difference Result 36709 states and 100073 transitions. [2022-03-15 13:50:07,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-15 13:50:07,897 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:50:07,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:50:07,966 INFO L225 Difference]: With dead ends: 36709 [2022-03-15 13:50:07,967 INFO L226 Difference]: Without dead ends: 36709 [2022-03-15 13:50:07,968 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1065 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=646, Invalid=5054, Unknown=0, NotChecked=0, Total=5700 [2022-03-15 13:50:07,968 INFO L933 BasicCegarLoop]: 923 mSDtfsCounter, 1881 mSDsluCounter, 20342 mSDsCounter, 0 mSdLazyCounter, 4672 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1881 SdHoareTripleChecker+Valid, 20947 SdHoareTripleChecker+Invalid, 4693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:50:07,968 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1881 Valid, 20947 Invalid, 4693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4672 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:50:08,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36709 states. [2022-03-15 13:50:08,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36709 to 22447. [2022-03-15 13:50:08,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22447 states, 22446 states have (on average 2.756615878107458) internal successors, (61875), 22446 states have internal predecessors, (61875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:08,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22447 states to 22447 states and 61875 transitions. [2022-03-15 13:50:08,484 INFO L78 Accepts]: Start accepts. Automaton has 22447 states and 61875 transitions. Word has length 199 [2022-03-15 13:50:08,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:50:08,484 INFO L470 AbstractCegarLoop]: Abstraction has 22447 states and 61875 transitions. [2022-03-15 13:50:08,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:08,484 INFO L276 IsEmpty]: Start isEmpty. Operand 22447 states and 61875 transitions. [2022-03-15 13:50:08,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:50:08,514 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:50:08,514 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:50:08,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-03-15 13:50:08,515 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:50:08,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:50:08,515 INFO L85 PathProgramCache]: Analyzing trace with hash -410904733, now seen corresponding path program 11 times [2022-03-15 13:50:08,515 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:50:08,515 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358331462] [2022-03-15 13:50:08,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:50:08,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:50:08,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:50:08,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:50:08,841 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:50:08,841 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358331462] [2022-03-15 13:50:08,841 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358331462] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:50:08,842 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:50:08,842 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:50:08,842 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264245915] [2022-03-15 13:50:08,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:50:08,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:50:08,842 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:50:08,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:50:08,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:50:08,843 INFO L87 Difference]: Start difference. First operand 22447 states and 61875 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:11,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:50:11,565 INFO L93 Difference]: Finished difference Result 35668 states and 97515 transitions. [2022-03-15 13:50:11,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-15 13:50:11,566 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:50:11,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:50:11,630 INFO L225 Difference]: With dead ends: 35668 [2022-03-15 13:50:11,630 INFO L226 Difference]: Without dead ends: 35668 [2022-03-15 13:50:11,631 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1218 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=665, Invalid=5497, Unknown=0, NotChecked=0, Total=6162 [2022-03-15 13:50:11,631 INFO L933 BasicCegarLoop]: 924 mSDtfsCounter, 1847 mSDsluCounter, 20164 mSDsCounter, 0 mSdLazyCounter, 4539 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1847 SdHoareTripleChecker+Valid, 20860 SdHoareTripleChecker+Invalid, 4560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 13:50:11,631 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1847 Valid, 20860 Invalid, 4560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4539 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 13:50:11,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35668 states. [2022-03-15 13:50:12,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35668 to 22383. [2022-03-15 13:50:12,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22383 states, 22382 states have (on average 2.755205075507104) internal successors, (61667), 22382 states have internal predecessors, (61667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:12,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22383 states to 22383 states and 61667 transitions. [2022-03-15 13:50:12,125 INFO L78 Accepts]: Start accepts. Automaton has 22383 states and 61667 transitions. Word has length 199 [2022-03-15 13:50:12,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:50:12,126 INFO L470 AbstractCegarLoop]: Abstraction has 22383 states and 61667 transitions. [2022-03-15 13:50:12,126 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:12,126 INFO L276 IsEmpty]: Start isEmpty. Operand 22383 states and 61667 transitions. [2022-03-15 13:50:12,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:50:12,156 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:50:12,156 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:50:12,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-03-15 13:50:12,157 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:50:12,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:50:12,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1512232637, now seen corresponding path program 12 times [2022-03-15 13:50:12,157 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:50:12,157 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428620599] [2022-03-15 13:50:12,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:50:12,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:50:12,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:50:12,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:50:12,469 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:50:12,469 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428620599] [2022-03-15 13:50:12,469 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428620599] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:50:12,469 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:50:12,469 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:50:12,469 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421018806] [2022-03-15 13:50:12,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:50:12,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:50:12,470 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:50:12,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:50:12,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:50:12,470 INFO L87 Difference]: Start difference. First operand 22383 states and 61667 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:14,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:50:14,955 INFO L93 Difference]: Finished difference Result 34539 states and 94612 transitions. [2022-03-15 13:50:14,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-15 13:50:14,955 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:50:14,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:50:15,027 INFO L225 Difference]: With dead ends: 34539 [2022-03-15 13:50:15,027 INFO L226 Difference]: Without dead ends: 34539 [2022-03-15 13:50:15,028 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 987 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=598, Invalid=4804, Unknown=0, NotChecked=0, Total=5402 [2022-03-15 13:50:15,028 INFO L933 BasicCegarLoop]: 921 mSDtfsCounter, 1645 mSDsluCounter, 19913 mSDsCounter, 0 mSdLazyCounter, 4465 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1645 SdHoareTripleChecker+Valid, 20613 SdHoareTripleChecker+Invalid, 4484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 13:50:15,028 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1645 Valid, 20613 Invalid, 4484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4465 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 13:50:15,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34539 states. [2022-03-15 13:50:15,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34539 to 22335. [2022-03-15 13:50:15,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22335 states, 22334 states have (on average 2.7546789648070207) internal successors, (61523), 22334 states have internal predecessors, (61523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:15,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22335 states to 22335 states and 61523 transitions. [2022-03-15 13:50:15,539 INFO L78 Accepts]: Start accepts. Automaton has 22335 states and 61523 transitions. Word has length 199 [2022-03-15 13:50:15,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:50:15,539 INFO L470 AbstractCegarLoop]: Abstraction has 22335 states and 61523 transitions. [2022-03-15 13:50:15,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:15,539 INFO L276 IsEmpty]: Start isEmpty. Operand 22335 states and 61523 transitions. [2022-03-15 13:50:15,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:50:15,569 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:50:15,569 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:50:15,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-03-15 13:50:15,569 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:50:15,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:50:15,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1181447759, now seen corresponding path program 13 times [2022-03-15 13:50:15,570 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:50:15,570 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129483026] [2022-03-15 13:50:15,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:50:15,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:50:15,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:50:15,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:50:15,884 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:50:15,884 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129483026] [2022-03-15 13:50:15,884 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129483026] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:50:15,884 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:50:15,884 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:50:15,884 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730615805] [2022-03-15 13:50:15,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:50:15,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:50:15,885 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:50:15,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:50:15,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:50:15,885 INFO L87 Difference]: Start difference. First operand 22335 states and 61523 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:18,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:50:18,366 INFO L93 Difference]: Finished difference Result 35897 states and 98004 transitions. [2022-03-15 13:50:18,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-15 13:50:18,367 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:50:18,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:50:18,440 INFO L225 Difference]: With dead ends: 35897 [2022-03-15 13:50:18,440 INFO L226 Difference]: Without dead ends: 35897 [2022-03-15 13:50:18,441 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 990 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=593, Invalid=4809, Unknown=0, NotChecked=0, Total=5402 [2022-03-15 13:50:18,441 INFO L933 BasicCegarLoop]: 934 mSDtfsCounter, 1701 mSDsluCounter, 20228 mSDsCounter, 0 mSdLazyCounter, 4378 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1701 SdHoareTripleChecker+Valid, 20939 SdHoareTripleChecker+Invalid, 4397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 13:50:18,441 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1701 Valid, 20939 Invalid, 4397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4378 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 13:50:18,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35897 states. [2022-03-15 13:50:18,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35897 to 22319. [2022-03-15 13:50:18,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22319 states, 22318 states have (on average 2.754503091674881) internal successors, (61475), 22318 states have internal predecessors, (61475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:18,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22319 states to 22319 states and 61475 transitions. [2022-03-15 13:50:18,958 INFO L78 Accepts]: Start accepts. Automaton has 22319 states and 61475 transitions. Word has length 199 [2022-03-15 13:50:18,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:50:18,958 INFO L470 AbstractCegarLoop]: Abstraction has 22319 states and 61475 transitions. [2022-03-15 13:50:18,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:18,958 INFO L276 IsEmpty]: Start isEmpty. Operand 22319 states and 61475 transitions. [2022-03-15 13:50:18,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:50:18,987 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:50:18,987 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:50:18,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-03-15 13:50:18,988 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:50:18,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:50:18,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1782679077, now seen corresponding path program 14 times [2022-03-15 13:50:18,988 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:50:18,988 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075542836] [2022-03-15 13:50:18,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:50:18,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:50:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:50:19,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:50:19,280 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:50:19,280 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075542836] [2022-03-15 13:50:19,280 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075542836] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:50:19,280 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:50:19,280 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:50:19,280 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472573538] [2022-03-15 13:50:19,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:50:19,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:50:19,281 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:50:19,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:50:19,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:50:19,281 INFO L87 Difference]: Start difference. First operand 22319 states and 61475 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:21,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:50:21,697 INFO L93 Difference]: Finished difference Result 34890 states and 95146 transitions. [2022-03-15 13:50:21,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-03-15 13:50:21,698 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:50:21,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:50:21,766 INFO L225 Difference]: With dead ends: 34890 [2022-03-15 13:50:21,767 INFO L226 Difference]: Without dead ends: 34890 [2022-03-15 13:50:21,768 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 908 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=561, Invalid=4551, Unknown=0, NotChecked=0, Total=5112 [2022-03-15 13:50:21,768 INFO L933 BasicCegarLoop]: 981 mSDtfsCounter, 1593 mSDsluCounter, 21261 mSDsCounter, 0 mSdLazyCounter, 4405 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1593 SdHoareTripleChecker+Valid, 21998 SdHoareTripleChecker+Invalid, 4424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 13:50:21,768 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1593 Valid, 21998 Invalid, 4424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4405 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 13:50:21,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34890 states. [2022-03-15 13:50:22,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34890 to 22111. [2022-03-15 13:50:22,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22111 states, 22110 states have (on average 2.752193577566712) internal successors, (60851), 22110 states have internal predecessors, (60851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:22,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22111 states to 22111 states and 60851 transitions. [2022-03-15 13:50:22,292 INFO L78 Accepts]: Start accepts. Automaton has 22111 states and 60851 transitions. Word has length 199 [2022-03-15 13:50:22,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:50:22,292 INFO L470 AbstractCegarLoop]: Abstraction has 22111 states and 60851 transitions. [2022-03-15 13:50:22,292 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:22,292 INFO L276 IsEmpty]: Start isEmpty. Operand 22111 states and 60851 transitions. [2022-03-15 13:50:22,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:50:22,323 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:50:22,324 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:50:22,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-03-15 13:50:22,324 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:50:22,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:50:22,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1089079169, now seen corresponding path program 15 times [2022-03-15 13:50:22,324 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:50:22,324 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440676581] [2022-03-15 13:50:22,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:50:22,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:50:22,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:50:22,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:50:22,632 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:50:22,632 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440676581] [2022-03-15 13:50:22,632 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440676581] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:50:22,632 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:50:22,632 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:50:22,632 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709302363] [2022-03-15 13:50:22,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:50:22,632 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:50:22,633 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:50:22,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:50:22,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:50:22,633 INFO L87 Difference]: Start difference. First operand 22111 states and 60851 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:24,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:50:24,899 INFO L93 Difference]: Finished difference Result 30232 states and 82639 transitions. [2022-03-15 13:50:24,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-15 13:50:24,899 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:50:24,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:50:24,954 INFO L225 Difference]: With dead ends: 30232 [2022-03-15 13:50:24,955 INFO L226 Difference]: Without dead ends: 30232 [2022-03-15 13:50:24,956 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 688 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=563, Invalid=3859, Unknown=0, NotChecked=0, Total=4422 [2022-03-15 13:50:24,956 INFO L933 BasicCegarLoop]: 802 mSDtfsCounter, 1518 mSDsluCounter, 17201 mSDsCounter, 0 mSdLazyCounter, 4068 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1518 SdHoareTripleChecker+Valid, 17827 SdHoareTripleChecker+Invalid, 4089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4068 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-15 13:50:24,956 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1518 Valid, 17827 Invalid, 4089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4068 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-15 13:50:25,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30232 states. [2022-03-15 13:50:25,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30232 to 22271. [2022-03-15 13:50:25,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22271 states, 22270 states have (on average 2.7541535698248767) internal successors, (61335), 22270 states have internal predecessors, (61335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:25,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22271 states to 22271 states and 61335 transitions. [2022-03-15 13:50:25,404 INFO L78 Accepts]: Start accepts. Automaton has 22271 states and 61335 transitions. Word has length 199 [2022-03-15 13:50:25,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:50:25,405 INFO L470 AbstractCegarLoop]: Abstraction has 22271 states and 61335 transitions. [2022-03-15 13:50:25,405 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:25,405 INFO L276 IsEmpty]: Start isEmpty. Operand 22271 states and 61335 transitions. [2022-03-15 13:50:25,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:50:25,436 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:50:25,436 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:50:25,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-03-15 13:50:25,436 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:50:25,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:50:25,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1184090085, now seen corresponding path program 16 times [2022-03-15 13:50:25,437 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:50:25,437 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636493372] [2022-03-15 13:50:25,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:50:25,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:50:25,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:50:25,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:50:25,757 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:50:25,757 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636493372] [2022-03-15 13:50:25,757 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636493372] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:50:25,757 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:50:25,757 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:50:25,757 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679357827] [2022-03-15 13:50:25,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:50:25,757 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:50:25,757 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:50:25,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:50:25,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:50:25,758 INFO L87 Difference]: Start difference. First operand 22271 states and 61335 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:28,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:50:28,075 INFO L93 Difference]: Finished difference Result 30134 states and 82524 transitions. [2022-03-15 13:50:28,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-03-15 13:50:28,075 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:50:28,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:50:28,130 INFO L225 Difference]: With dead ends: 30134 [2022-03-15 13:50:28,130 INFO L226 Difference]: Without dead ends: 30134 [2022-03-15 13:50:28,131 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 845 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=592, Invalid=4378, Unknown=0, NotChecked=0, Total=4970 [2022-03-15 13:50:28,131 INFO L933 BasicCegarLoop]: 820 mSDtfsCounter, 1538 mSDsluCounter, 17435 mSDsCounter, 0 mSdLazyCounter, 4113 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1538 SdHoareTripleChecker+Valid, 18149 SdHoareTripleChecker+Invalid, 4134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-15 13:50:28,131 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1538 Valid, 18149 Invalid, 4134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4113 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-15 13:50:28,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30134 states. [2022-03-15 13:50:28,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30134 to 22219. [2022-03-15 13:50:28,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22219 states, 22218 states have (on average 2.753263119992799) internal successors, (61172), 22218 states have internal predecessors, (61172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:28,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22219 states to 22219 states and 61172 transitions. [2022-03-15 13:50:28,581 INFO L78 Accepts]: Start accepts. Automaton has 22219 states and 61172 transitions. Word has length 199 [2022-03-15 13:50:28,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:50:28,581 INFO L470 AbstractCegarLoop]: Abstraction has 22219 states and 61172 transitions. [2022-03-15 13:50:28,581 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:28,581 INFO L276 IsEmpty]: Start isEmpty. Operand 22219 states and 61172 transitions. [2022-03-15 13:50:28,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:50:28,611 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:50:28,611 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:50:28,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-03-15 13:50:28,611 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:50:28,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:50:28,612 INFO L85 PathProgramCache]: Analyzing trace with hash 806892861, now seen corresponding path program 17 times [2022-03-15 13:50:28,612 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:50:28,612 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411794243] [2022-03-15 13:50:28,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:50:28,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:50:28,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:50:28,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:50:28,933 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:50:28,933 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411794243] [2022-03-15 13:50:28,933 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411794243] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:50:28,933 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:50:28,933 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:50:28,933 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683518686] [2022-03-15 13:50:28,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:50:28,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:50:28,934 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:50:28,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:50:28,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:50:28,934 INFO L87 Difference]: Start difference. First operand 22219 states and 61172 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:31,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:50:31,080 INFO L93 Difference]: Finished difference Result 27868 states and 76163 transitions. [2022-03-15 13:50:31,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-03-15 13:50:31,081 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:50:31,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:50:31,134 INFO L225 Difference]: With dead ends: 27868 [2022-03-15 13:50:31,135 INFO L226 Difference]: Without dead ends: 27868 [2022-03-15 13:50:31,135 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 617 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=540, Invalid=3620, Unknown=0, NotChecked=0, Total=4160 [2022-03-15 13:50:31,136 INFO L933 BasicCegarLoop]: 781 mSDtfsCounter, 1434 mSDsluCounter, 16646 mSDsCounter, 0 mSdLazyCounter, 3773 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1434 SdHoareTripleChecker+Valid, 17270 SdHoareTripleChecker+Invalid, 3792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 3773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 13:50:31,136 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1434 Valid, 17270 Invalid, 3792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 3773 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 13:50:31,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27868 states. [2022-03-15 13:50:31,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27868 to 22351. [2022-03-15 13:50:31,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22351 states, 22350 states have (on average 2.7527069351230424) internal successors, (61523), 22350 states have internal predecessors, (61523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:31,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22351 states to 22351 states and 61523 transitions. [2022-03-15 13:50:31,562 INFO L78 Accepts]: Start accepts. Automaton has 22351 states and 61523 transitions. Word has length 199 [2022-03-15 13:50:31,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:50:31,562 INFO L470 AbstractCegarLoop]: Abstraction has 22351 states and 61523 transitions. [2022-03-15 13:50:31,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:31,562 INFO L276 IsEmpty]: Start isEmpty. Operand 22351 states and 61523 transitions. [2022-03-15 13:50:31,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:50:31,592 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:50:31,592 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:50:31,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-03-15 13:50:31,592 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:50:31,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:50:31,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1169599549, now seen corresponding path program 18 times [2022-03-15 13:50:31,593 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:50:31,593 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846475074] [2022-03-15 13:50:31,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:50:31,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:50:31,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:50:31,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:50:31,890 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:50:31,890 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846475074] [2022-03-15 13:50:31,891 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846475074] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:50:31,891 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:50:31,891 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:50:31,891 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384467086] [2022-03-15 13:50:31,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:50:31,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:50:31,891 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:50:31,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:50:31,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:50:31,892 INFO L87 Difference]: Start difference. First operand 22351 states and 61523 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:34,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:50:34,203 INFO L93 Difference]: Finished difference Result 30824 states and 84229 transitions. [2022-03-15 13:50:34,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-03-15 13:50:34,204 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:50:34,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:50:34,262 INFO L225 Difference]: With dead ends: 30824 [2022-03-15 13:50:34,262 INFO L226 Difference]: Without dead ends: 30824 [2022-03-15 13:50:34,263 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 772 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=562, Invalid=4130, Unknown=0, NotChecked=0, Total=4692 [2022-03-15 13:50:34,263 INFO L933 BasicCegarLoop]: 839 mSDtfsCounter, 1546 mSDsluCounter, 18164 mSDsCounter, 0 mSdLazyCounter, 4287 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1546 SdHoareTripleChecker+Valid, 18779 SdHoareTripleChecker+Invalid, 4308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-15 13:50:34,263 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1546 Valid, 18779 Invalid, 4308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4287 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-15 13:50:34,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30824 states. [2022-03-15 13:50:34,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30824 to 22463. [2022-03-15 13:50:34,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22463 states, 22462 states have (on average 2.7546523016650344) internal successors, (61875), 22462 states have internal predecessors, (61875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:34,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22463 states to 22463 states and 61875 transitions. [2022-03-15 13:50:34,700 INFO L78 Accepts]: Start accepts. Automaton has 22463 states and 61875 transitions. Word has length 199 [2022-03-15 13:50:34,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:50:34,700 INFO L470 AbstractCegarLoop]: Abstraction has 22463 states and 61875 transitions. [2022-03-15 13:50:34,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:34,700 INFO L276 IsEmpty]: Start isEmpty. Operand 22463 states and 61875 transitions. [2022-03-15 13:50:34,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:50:34,729 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:50:34,729 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:50:34,729 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-03-15 13:50:34,729 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:50:34,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:50:34,730 INFO L85 PathProgramCache]: Analyzing trace with hash -852198493, now seen corresponding path program 19 times [2022-03-15 13:50:34,730 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:50:34,730 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415082204] [2022-03-15 13:50:34,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:50:34,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:50:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:50:35,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:50:35,025 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:50:35,025 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415082204] [2022-03-15 13:50:35,025 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415082204] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:50:35,025 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:50:35,025 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:50:35,025 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598135130] [2022-03-15 13:50:35,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:50:35,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:50:35,026 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:50:35,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:50:35,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:50:35,026 INFO L87 Difference]: Start difference. First operand 22463 states and 61875 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:37,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:50:37,352 INFO L93 Difference]: Finished difference Result 30618 states and 83846 transitions. [2022-03-15 13:50:37,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-15 13:50:37,352 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:50:37,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:50:37,411 INFO L225 Difference]: With dead ends: 30618 [2022-03-15 13:50:37,411 INFO L226 Difference]: Without dead ends: 30618 [2022-03-15 13:50:37,412 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 895 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=584, Invalid=4528, Unknown=0, NotChecked=0, Total=5112 [2022-03-15 13:50:37,413 INFO L933 BasicCegarLoop]: 877 mSDtfsCounter, 1547 mSDsluCounter, 18866 mSDsCounter, 0 mSdLazyCounter, 4301 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1547 SdHoareTripleChecker+Valid, 19568 SdHoareTripleChecker+Invalid, 4322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-15 13:50:37,413 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1547 Valid, 19568 Invalid, 4322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4301 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-15 13:50:37,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30618 states. [2022-03-15 13:50:37,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30618 to 22399. [2022-03-15 13:50:37,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22399 states, 22398 states have (on average 2.753236896151442) internal successors, (61667), 22398 states have internal predecessors, (61667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:37,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22399 states to 22399 states and 61667 transitions. [2022-03-15 13:50:37,854 INFO L78 Accepts]: Start accepts. Automaton has 22399 states and 61667 transitions. Word has length 199 [2022-03-15 13:50:37,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:50:37,855 INFO L470 AbstractCegarLoop]: Abstraction has 22399 states and 61667 transitions. [2022-03-15 13:50:37,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:37,855 INFO L276 IsEmpty]: Start isEmpty. Operand 22399 states and 61667 transitions. [2022-03-15 13:50:37,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:50:37,884 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:50:37,884 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:50:37,884 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-03-15 13:50:37,884 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:50:37,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:50:37,885 INFO L85 PathProgramCache]: Analyzing trace with hash -502744609, now seen corresponding path program 20 times [2022-03-15 13:50:37,885 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:50:37,885 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289362341] [2022-03-15 13:50:37,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:50:37,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:50:37,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:50:38,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:50:38,184 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:50:38,184 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289362341] [2022-03-15 13:50:38,184 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289362341] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:50:38,184 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:50:38,184 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:50:38,185 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762149212] [2022-03-15 13:50:38,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:50:38,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:50:38,185 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:50:38,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:50:38,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:50:38,185 INFO L87 Difference]: Start difference. First operand 22399 states and 61667 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:40,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:50:40,361 INFO L93 Difference]: Finished difference Result 28088 states and 76925 transitions. [2022-03-15 13:50:40,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-03-15 13:50:40,361 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:50:40,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:50:40,416 INFO L225 Difference]: With dead ends: 28088 [2022-03-15 13:50:40,416 INFO L226 Difference]: Without dead ends: 28088 [2022-03-15 13:50:40,417 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 742 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=533, Invalid=4023, Unknown=0, NotChecked=0, Total=4556 [2022-03-15 13:50:40,417 INFO L933 BasicCegarLoop]: 823 mSDtfsCounter, 1395 mSDsluCounter, 17565 mSDsCounter, 0 mSdLazyCounter, 4046 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1395 SdHoareTripleChecker+Valid, 18236 SdHoareTripleChecker+Invalid, 4065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4046 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 13:50:40,417 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1395 Valid, 18236 Invalid, 4065 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4046 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 13:50:40,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28088 states. [2022-03-15 13:50:40,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28088 to 22351. [2022-03-15 13:50:40,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22351 states, 22350 states have (on average 2.7527069351230424) internal successors, (61523), 22350 states have internal predecessors, (61523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:40,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22351 states to 22351 states and 61523 transitions. [2022-03-15 13:50:40,851 INFO L78 Accepts]: Start accepts. Automaton has 22351 states and 61523 transitions. Word has length 199 [2022-03-15 13:50:40,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:50:40,852 INFO L470 AbstractCegarLoop]: Abstraction has 22351 states and 61523 transitions. [2022-03-15 13:50:40,852 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:40,852 INFO L276 IsEmpty]: Start isEmpty. Operand 22351 states and 61523 transitions. [2022-03-15 13:50:40,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:50:40,881 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:50:40,881 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:50:40,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-03-15 13:50:40,881 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:50:40,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:50:40,881 INFO L85 PathProgramCache]: Analyzing trace with hash -409342909, now seen corresponding path program 21 times [2022-03-15 13:50:40,881 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:50:40,882 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198202528] [2022-03-15 13:50:40,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:50:40,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:50:40,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:50:41,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:50:41,196 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:50:41,196 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198202528] [2022-03-15 13:50:41,196 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198202528] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:50:41,196 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:50:41,196 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:50:41,196 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032817734] [2022-03-15 13:50:41,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:50:41,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:50:41,196 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:50:41,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:50:41,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:50:41,197 INFO L87 Difference]: Start difference. First operand 22351 states and 61523 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:43,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:50:43,750 INFO L93 Difference]: Finished difference Result 34870 states and 95105 transitions. [2022-03-15 13:50:43,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-15 13:50:43,751 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:50:43,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:50:43,824 INFO L225 Difference]: With dead ends: 34870 [2022-03-15 13:50:43,824 INFO L226 Difference]: Without dead ends: 34870 [2022-03-15 13:50:43,825 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 937 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=604, Invalid=4652, Unknown=0, NotChecked=0, Total=5256 [2022-03-15 13:50:43,825 INFO L933 BasicCegarLoop]: 900 mSDtfsCounter, 1727 mSDsluCounter, 19680 mSDsCounter, 0 mSdLazyCounter, 4624 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1727 SdHoareTripleChecker+Valid, 20308 SdHoareTripleChecker+Invalid, 4645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:50:43,826 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1727 Valid, 20308 Invalid, 4645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4624 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:50:43,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34870 states. [2022-03-15 13:50:44,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34870 to 22479. [2022-03-15 13:50:44,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22479 states, 22478 states have (on average 2.754826941898745) internal successors, (61923), 22478 states have internal predecessors, (61923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:44,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22479 states to 22479 states and 61923 transitions. [2022-03-15 13:50:44,309 INFO L78 Accepts]: Start accepts. Automaton has 22479 states and 61923 transitions. Word has length 199 [2022-03-15 13:50:44,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:50:44,310 INFO L470 AbstractCegarLoop]: Abstraction has 22479 states and 61923 transitions. [2022-03-15 13:50:44,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:44,310 INFO L276 IsEmpty]: Start isEmpty. Operand 22479 states and 61923 transitions. [2022-03-15 13:50:44,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:50:44,339 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:50:44,339 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:50:44,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-03-15 13:50:44,339 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:50:44,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:50:44,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1863826345, now seen corresponding path program 22 times [2022-03-15 13:50:44,340 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:50:44,340 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743848603] [2022-03-15 13:50:44,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:50:44,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:50:44,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:50:44,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:50:44,652 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:50:44,652 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743848603] [2022-03-15 13:50:44,653 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743848603] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:50:44,653 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:50:44,653 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:50:44,653 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606540737] [2022-03-15 13:50:44,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:50:44,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:50:44,653 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:50:44,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:50:44,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:50:44,654 INFO L87 Difference]: Start difference. First operand 22479 states and 61923 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:47,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:50:47,177 INFO L93 Difference]: Finished difference Result 34493 states and 94284 transitions. [2022-03-15 13:50:47,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-15 13:50:47,178 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:50:47,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:50:47,243 INFO L225 Difference]: With dead ends: 34493 [2022-03-15 13:50:47,243 INFO L226 Difference]: Without dead ends: 34493 [2022-03-15 13:50:47,244 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1120 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=640, Invalid=5212, Unknown=0, NotChecked=0, Total=5852 [2022-03-15 13:50:47,245 INFO L933 BasicCegarLoop]: 951 mSDtfsCounter, 1709 mSDsluCounter, 20631 mSDsCounter, 0 mSdLazyCounter, 4574 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1709 SdHoareTripleChecker+Valid, 21358 SdHoareTripleChecker+Invalid, 4595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 13:50:47,245 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1709 Valid, 21358 Invalid, 4595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4574 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 13:50:47,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34493 states. [2022-03-15 13:50:47,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34493 to 22415. [2022-03-15 13:50:47,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22415 states, 22414 states have (on average 2.7534130454180423) internal successors, (61715), 22414 states have internal predecessors, (61715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:47,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22415 states to 22415 states and 61715 transitions. [2022-03-15 13:50:47,728 INFO L78 Accepts]: Start accepts. Automaton has 22415 states and 61715 transitions. Word has length 199 [2022-03-15 13:50:47,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:50:47,729 INFO L470 AbstractCegarLoop]: Abstraction has 22415 states and 61715 transitions. [2022-03-15 13:50:47,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:47,729 INFO L276 IsEmpty]: Start isEmpty. Operand 22415 states and 61715 transitions. [2022-03-15 13:50:47,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:50:47,757 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:50:47,757 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:50:47,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-03-15 13:50:47,757 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:50:47,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:50:47,758 INFO L85 PathProgramCache]: Analyzing trace with hash -2081687067, now seen corresponding path program 23 times [2022-03-15 13:50:47,758 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:50:47,758 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433029688] [2022-03-15 13:50:47,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:50:47,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:50:47,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:50:48,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:50:48,071 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:50:48,071 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433029688] [2022-03-15 13:50:48,071 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433029688] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:50:48,071 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:50:48,072 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:50:48,072 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746895296] [2022-03-15 13:50:48,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:50:48,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:50:48,072 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:50:48,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:50:48,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:50:48,072 INFO L87 Difference]: Start difference. First operand 22415 states and 61715 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:50,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:50:50,450 INFO L93 Difference]: Finished difference Result 31392 states and 85919 transitions. [2022-03-15 13:50:50,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-03-15 13:50:50,450 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:50:50,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:50:50,503 INFO L225 Difference]: With dead ends: 31392 [2022-03-15 13:50:50,503 INFO L226 Difference]: Without dead ends: 31392 [2022-03-15 13:50:50,504 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 860 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=563, Invalid=4407, Unknown=0, NotChecked=0, Total=4970 [2022-03-15 13:50:50,504 INFO L933 BasicCegarLoop]: 898 mSDtfsCounter, 1487 mSDsluCounter, 19328 mSDsCounter, 0 mSdLazyCounter, 4332 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1487 SdHoareTripleChecker+Valid, 20028 SdHoareTripleChecker+Invalid, 4351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 13:50:50,504 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1487 Valid, 20028 Invalid, 4351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4332 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 13:50:50,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31392 states. [2022-03-15 13:50:50,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31392 to 22367. [2022-03-15 13:50:50,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22367 states, 22366 states have (on average 2.7528838415452026) internal successors, (61571), 22366 states have internal predecessors, (61571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:50,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22367 states to 22367 states and 61571 transitions. [2022-03-15 13:50:50,926 INFO L78 Accepts]: Start accepts. Automaton has 22367 states and 61571 transitions. Word has length 199 [2022-03-15 13:50:50,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:50:50,926 INFO L470 AbstractCegarLoop]: Abstraction has 22367 states and 61571 transitions. [2022-03-15 13:50:50,927 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:50,927 INFO L276 IsEmpty]: Start isEmpty. Operand 22367 states and 61571 transitions. [2022-03-15 13:50:50,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:50:50,956 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:50:50,956 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:50:50,956 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-03-15 13:50:50,956 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:50:50,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:50:50,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1079315087, now seen corresponding path program 24 times [2022-03-15 13:50:50,956 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:50:50,957 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416714142] [2022-03-15 13:50:50,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:50:50,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:50:50,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:50:51,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:50:51,245 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:50:51,245 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416714142] [2022-03-15 13:50:51,246 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416714142] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:50:51,246 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:50:51,246 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:50:51,246 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22606035] [2022-03-15 13:50:51,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:50:51,246 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:50:51,246 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:50:51,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:50:51,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:50:51,247 INFO L87 Difference]: Start difference. First operand 22367 states and 61571 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:53,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:50:53,522 INFO L93 Difference]: Finished difference Result 32126 states and 87613 transitions. [2022-03-15 13:50:53,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-03-15 13:50:53,522 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:50:53,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:50:53,586 INFO L225 Difference]: With dead ends: 32126 [2022-03-15 13:50:53,586 INFO L226 Difference]: Without dead ends: 32126 [2022-03-15 13:50:53,587 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 864 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=556, Invalid=4414, Unknown=0, NotChecked=0, Total=4970 [2022-03-15 13:50:53,587 INFO L933 BasicCegarLoop]: 927 mSDtfsCounter, 1542 mSDsluCounter, 20077 mSDsCounter, 0 mSdLazyCounter, 4261 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1542 SdHoareTripleChecker+Valid, 20780 SdHoareTripleChecker+Invalid, 4280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-15 13:50:53,587 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1542 Valid, 20780 Invalid, 4280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4261 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-15 13:50:53,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32126 states. [2022-03-15 13:50:53,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32126 to 22351. [2022-03-15 13:50:53,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22351 states, 22350 states have (on average 2.7527069351230424) internal successors, (61523), 22350 states have internal predecessors, (61523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:54,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22351 states to 22351 states and 61523 transitions. [2022-03-15 13:50:54,013 INFO L78 Accepts]: Start accepts. Automaton has 22351 states and 61523 transitions. Word has length 199 [2022-03-15 13:50:54,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:50:54,013 INFO L470 AbstractCegarLoop]: Abstraction has 22351 states and 61523 transitions. [2022-03-15 13:50:54,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:54,013 INFO L276 IsEmpty]: Start isEmpty. Operand 22351 states and 61523 transitions. [2022-03-15 13:50:54,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:50:54,041 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:50:54,041 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:50:54,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-03-15 13:50:54,041 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:50:54,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:50:54,042 INFO L85 PathProgramCache]: Analyzing trace with hash -46187899, now seen corresponding path program 25 times [2022-03-15 13:50:54,042 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:50:54,042 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189539141] [2022-03-15 13:50:54,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:50:54,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:50:54,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:50:54,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:50:54,328 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:50:54,328 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189539141] [2022-03-15 13:50:54,328 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189539141] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:50:54,328 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:50:54,328 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:50:54,328 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667745699] [2022-03-15 13:50:54,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:50:54,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:50:54,329 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:50:54,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:50:54,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:50:54,329 INFO L87 Difference]: Start difference. First operand 22351 states and 61523 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:57,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:50:57,134 INFO L93 Difference]: Finished difference Result 39735 states and 108146 transitions. [2022-03-15 13:50:57,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-03-15 13:50:57,134 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:50:57,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:50:57,205 INFO L225 Difference]: With dead ends: 39735 [2022-03-15 13:50:57,205 INFO L226 Difference]: Without dead ends: 39735 [2022-03-15 13:50:57,206 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1149 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=684, Invalid=5322, Unknown=0, NotChecked=0, Total=6006 [2022-03-15 13:50:57,206 INFO L933 BasicCegarLoop]: 1006 mSDtfsCounter, 1973 mSDsluCounter, 22285 mSDsCounter, 0 mSdLazyCounter, 5160 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1973 SdHoareTripleChecker+Valid, 22927 SdHoareTripleChecker+Invalid, 5181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 5160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:50:57,206 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1973 Valid, 22927 Invalid, 5181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 5160 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:50:57,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39735 states. [2022-03-15 13:50:57,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39735 to 22703. [2022-03-15 13:50:57,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22703 states, 22702 states have (on average 2.757246057616069) internal successors, (62595), 22702 states have internal predecessors, (62595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:57,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22703 states to 22703 states and 62595 transitions. [2022-03-15 13:50:57,738 INFO L78 Accepts]: Start accepts. Automaton has 22703 states and 62595 transitions. Word has length 199 [2022-03-15 13:50:57,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:50:57,738 INFO L470 AbstractCegarLoop]: Abstraction has 22703 states and 62595 transitions. [2022-03-15 13:50:57,738 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:50:57,738 INFO L276 IsEmpty]: Start isEmpty. Operand 22703 states and 62595 transitions. [2022-03-15 13:50:57,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:50:57,769 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:50:57,769 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:50:57,769 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-03-15 13:50:57,769 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:50:57,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:50:57,770 INFO L85 PathProgramCache]: Analyzing trace with hash -2067985941, now seen corresponding path program 26 times [2022-03-15 13:50:57,770 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:50:57,770 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114553261] [2022-03-15 13:50:57,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:50:57,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:50:57,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:50:58,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:50:58,082 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:50:58,082 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114553261] [2022-03-15 13:50:58,082 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114553261] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:50:58,082 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:50:58,082 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:50:58,082 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707440113] [2022-03-15 13:50:58,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:50:58,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:50:58,082 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:50:58,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:50:58,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:50:58,083 INFO L87 Difference]: Start difference. First operand 22703 states and 62595 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:00,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:51:00,782 INFO L93 Difference]: Finished difference Result 38036 states and 103866 transitions. [2022-03-15 13:51:00,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-15 13:51:00,782 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:51:00,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:51:00,850 INFO L225 Difference]: With dead ends: 38036 [2022-03-15 13:51:00,851 INFO L226 Difference]: Without dead ends: 38036 [2022-03-15 13:51:00,852 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1265 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=683, Invalid=5637, Unknown=0, NotChecked=0, Total=6320 [2022-03-15 13:51:00,852 INFO L933 BasicCegarLoop]: 1008 mSDtfsCounter, 1877 mSDsluCounter, 22141 mSDsCounter, 0 mSdLazyCounter, 4897 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1877 SdHoareTripleChecker+Valid, 22872 SdHoareTripleChecker+Invalid, 4918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4897 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:51:00,852 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1877 Valid, 22872 Invalid, 4918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4897 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:51:00,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38036 states. [2022-03-15 13:51:01,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38036 to 22639. [2022-03-15 13:51:01,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22639 states, 22638 states have (on average 2.755852990546868) internal successors, (62387), 22638 states have internal predecessors, (62387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:01,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22639 states to 22639 states and 62387 transitions. [2022-03-15 13:51:01,345 INFO L78 Accepts]: Start accepts. Automaton has 22639 states and 62387 transitions. Word has length 199 [2022-03-15 13:51:01,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:51:01,345 INFO L470 AbstractCegarLoop]: Abstraction has 22639 states and 62387 transitions. [2022-03-15 13:51:01,346 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:01,346 INFO L276 IsEmpty]: Start isEmpty. Operand 22639 states and 62387 transitions. [2022-03-15 13:51:01,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:51:01,375 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:51:01,375 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:51:01,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-03-15 13:51:01,375 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:51:01,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:51:01,375 INFO L85 PathProgramCache]: Analyzing trace with hash -144848571, now seen corresponding path program 27 times [2022-03-15 13:51:01,376 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:51:01,376 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690324225] [2022-03-15 13:51:01,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:51:01,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:51:01,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:51:01,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:51:01,669 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:51:01,669 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690324225] [2022-03-15 13:51:01,669 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690324225] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:51:01,669 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:51:01,669 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:51:01,669 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59552331] [2022-03-15 13:51:01,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:51:01,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:51:01,670 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:51:01,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:51:01,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:51:01,670 INFO L87 Difference]: Start difference. First operand 22639 states and 62387 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:04,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:51:04,285 INFO L93 Difference]: Finished difference Result 36907 states and 100963 transitions. [2022-03-15 13:51:04,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-15 13:51:04,286 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:51:04,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:51:04,356 INFO L225 Difference]: With dead ends: 36907 [2022-03-15 13:51:04,356 INFO L226 Difference]: Without dead ends: 36907 [2022-03-15 13:51:04,357 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1030 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=612, Invalid=4938, Unknown=0, NotChecked=0, Total=5550 [2022-03-15 13:51:04,357 INFO L933 BasicCegarLoop]: 1005 mSDtfsCounter, 1675 mSDsluCounter, 21831 mSDsCounter, 0 mSdLazyCounter, 4834 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1675 SdHoareTripleChecker+Valid, 22570 SdHoareTripleChecker+Invalid, 4853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:51:04,357 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1675 Valid, 22570 Invalid, 4853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4834 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:51:04,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36907 states. [2022-03-15 13:51:04,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36907 to 22591. [2022-03-15 13:51:04,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22591 states, 22590 states have (on average 2.755334218680832) internal successors, (62243), 22590 states have internal predecessors, (62243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:04,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22591 states to 22591 states and 62243 transitions. [2022-03-15 13:51:04,865 INFO L78 Accepts]: Start accepts. Automaton has 22591 states and 62243 transitions. Word has length 199 [2022-03-15 13:51:04,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:51:04,865 INFO L470 AbstractCegarLoop]: Abstraction has 22591 states and 62243 transitions. [2022-03-15 13:51:04,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:04,866 INFO L276 IsEmpty]: Start isEmpty. Operand 22591 states and 62243 transitions. [2022-03-15 13:51:04,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:51:04,894 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:51:04,894 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:51:04,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-03-15 13:51:04,895 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:51:04,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:51:04,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1456438329, now seen corresponding path program 28 times [2022-03-15 13:51:04,895 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:51:04,895 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827792922] [2022-03-15 13:51:04,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:51:04,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:51:04,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:51:05,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:51:05,191 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:51:05,191 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827792922] [2022-03-15 13:51:05,191 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827792922] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:51:05,192 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:51:05,192 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:51:05,192 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628004645] [2022-03-15 13:51:05,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:51:05,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:51:05,192 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:51:05,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:51:05,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:51:05,193 INFO L87 Difference]: Start difference. First operand 22591 states and 62243 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:07,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:51:07,736 INFO L93 Difference]: Finished difference Result 38265 states and 104355 transitions. [2022-03-15 13:51:07,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-15 13:51:07,737 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:51:07,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:51:07,806 INFO L225 Difference]: With dead ends: 38265 [2022-03-15 13:51:07,806 INFO L226 Difference]: Without dead ends: 38265 [2022-03-15 13:51:07,807 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1032 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=608, Invalid=4942, Unknown=0, NotChecked=0, Total=5550 [2022-03-15 13:51:07,808 INFO L933 BasicCegarLoop]: 1018 mSDtfsCounter, 1731 mSDsluCounter, 22149 mSDsCounter, 0 mSdLazyCounter, 4751 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1731 SdHoareTripleChecker+Valid, 22898 SdHoareTripleChecker+Invalid, 4770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4751 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 13:51:07,808 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1731 Valid, 22898 Invalid, 4770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4751 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 13:51:07,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38265 states. [2022-03-15 13:51:08,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38265 to 22575. [2022-03-15 13:51:08,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22575 states, 22574 states have (on average 2.755160804465314) internal successors, (62195), 22574 states have internal predecessors, (62195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:08,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22575 states to 22575 states and 62195 transitions. [2022-03-15 13:51:08,385 INFO L78 Accepts]: Start accepts. Automaton has 22575 states and 62195 transitions. Word has length 199 [2022-03-15 13:51:08,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:51:08,385 INFO L470 AbstractCegarLoop]: Abstraction has 22575 states and 62195 transitions. [2022-03-15 13:51:08,385 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:08,386 INFO L276 IsEmpty]: Start isEmpty. Operand 22575 states and 62195 transitions. [2022-03-15 13:51:08,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:51:08,417 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:51:08,417 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:51:08,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-03-15 13:51:08,417 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:51:08,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:51:08,418 INFO L85 PathProgramCache]: Analyzing trace with hash 855207011, now seen corresponding path program 29 times [2022-03-15 13:51:08,418 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:51:08,418 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245565392] [2022-03-15 13:51:08,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:51:08,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:51:08,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:51:08,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:51:08,695 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:51:08,695 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245565392] [2022-03-15 13:51:08,695 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245565392] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:51:08,695 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:51:08,695 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:51:08,695 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132460903] [2022-03-15 13:51:08,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:51:08,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:51:08,695 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:51:08,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:51:08,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:51:08,696 INFO L87 Difference]: Start difference. First operand 22575 states and 62195 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:11,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:51:11,188 INFO L93 Difference]: Finished difference Result 39508 states and 107527 transitions. [2022-03-15 13:51:11,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-15 13:51:11,189 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:51:11,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:51:11,266 INFO L225 Difference]: With dead ends: 39508 [2022-03-15 13:51:11,266 INFO L226 Difference]: Without dead ends: 39508 [2022-03-15 13:51:11,267 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1034 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=601, Invalid=4949, Unknown=0, NotChecked=0, Total=5550 [2022-03-15 13:51:11,267 INFO L933 BasicCegarLoop]: 1055 mSDtfsCounter, 1701 mSDsluCounter, 22975 mSDsCounter, 0 mSdLazyCounter, 4742 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1701 SdHoareTripleChecker+Valid, 23740 SdHoareTripleChecker+Invalid, 4761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 13:51:11,267 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1701 Valid, 23740 Invalid, 4761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4742 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 13:51:11,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39508 states. [2022-03-15 13:51:11,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39508 to 22367. [2022-03-15 13:51:11,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22367 states, 22366 states have (on average 2.7528838415452026) internal successors, (61571), 22366 states have internal predecessors, (61571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:11,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22367 states to 22367 states and 61571 transitions. [2022-03-15 13:51:11,761 INFO L78 Accepts]: Start accepts. Automaton has 22367 states and 61571 transitions. Word has length 199 [2022-03-15 13:51:11,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:51:11,761 INFO L470 AbstractCegarLoop]: Abstraction has 22367 states and 61571 transitions. [2022-03-15 13:51:11,762 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:11,762 INFO L276 IsEmpty]: Start isEmpty. Operand 22367 states and 61571 transitions. [2022-03-15 13:51:11,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:51:11,790 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:51:11,790 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:51:11,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-03-15 13:51:11,790 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:51:11,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:51:11,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1509746783, now seen corresponding path program 30 times [2022-03-15 13:51:11,791 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:51:11,791 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592884490] [2022-03-15 13:51:11,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:51:11,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:51:11,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:51:12,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:51:12,087 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:51:12,087 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592884490] [2022-03-15 13:51:12,087 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592884490] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:51:12,087 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:51:12,087 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:51:12,087 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984011914] [2022-03-15 13:51:12,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:51:12,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:51:12,088 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:51:12,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:51:12,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:51:12,088 INFO L87 Difference]: Start difference. First operand 22367 states and 61571 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:14,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:51:14,457 INFO L93 Difference]: Finished difference Result 35077 states and 95419 transitions. [2022-03-15 13:51:14,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-03-15 13:51:14,457 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:51:14,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:51:14,520 INFO L225 Difference]: With dead ends: 35077 [2022-03-15 13:51:14,520 INFO L226 Difference]: Without dead ends: 35077 [2022-03-15 13:51:14,521 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 908 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=561, Invalid=4551, Unknown=0, NotChecked=0, Total=5112 [2022-03-15 13:51:14,521 INFO L933 BasicCegarLoop]: 1011 mSDtfsCounter, 1658 mSDsluCounter, 22019 mSDsCounter, 0 mSdLazyCounter, 4458 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1658 SdHoareTripleChecker+Valid, 22741 SdHoareTripleChecker+Invalid, 4477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 13:51:14,521 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1658 Valid, 22741 Invalid, 4477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4458 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 13:51:14,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35077 states. [2022-03-15 13:51:14,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35077 to 22351. [2022-03-15 13:51:14,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22351 states, 22350 states have (on average 2.7527069351230424) internal successors, (61523), 22350 states have internal predecessors, (61523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:14,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22351 states to 22351 states and 61523 transitions. [2022-03-15 13:51:14,959 INFO L78 Accepts]: Start accepts. Automaton has 22351 states and 61523 transitions. Word has length 199 [2022-03-15 13:51:14,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:51:14,959 INFO L470 AbstractCegarLoop]: Abstraction has 22351 states and 61523 transitions. [2022-03-15 13:51:14,959 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:14,959 INFO L276 IsEmpty]: Start isEmpty. Operand 22351 states and 61523 transitions. [2022-03-15 13:51:14,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:51:14,987 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:51:14,988 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:51:14,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-03-15 13:51:14,988 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:51:14,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:51:14,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1890066857, now seen corresponding path program 31 times [2022-03-15 13:51:14,988 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:51:14,988 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633957197] [2022-03-15 13:51:14,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:51:14,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:51:14,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:51:15,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:51:15,270 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:51:15,270 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633957197] [2022-03-15 13:51:15,270 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633957197] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:51:15,270 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:51:15,270 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:51:15,270 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245822890] [2022-03-15 13:51:15,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:51:15,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:51:15,270 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:51:15,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:51:15,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:51:15,271 INFO L87 Difference]: Start difference. First operand 22351 states and 61523 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:18,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:51:18,108 INFO L93 Difference]: Finished difference Result 40282 states and 109626 transitions. [2022-03-15 13:51:18,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-15 13:51:18,108 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:51:18,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:51:18,188 INFO L225 Difference]: With dead ends: 40282 [2022-03-15 13:51:18,188 INFO L226 Difference]: Without dead ends: 40282 [2022-03-15 13:51:18,189 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1235 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=728, Invalid=5592, Unknown=0, NotChecked=0, Total=6320 [2022-03-15 13:51:18,190 INFO L933 BasicCegarLoop]: 1049 mSDtfsCounter, 2101 mSDsluCounter, 23294 mSDsCounter, 0 mSdLazyCounter, 5103 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2101 SdHoareTripleChecker+Valid, 23936 SdHoareTripleChecker+Invalid, 5124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 5103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:51:18,190 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2101 Valid, 23936 Invalid, 5124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 5103 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:51:18,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40282 states. [2022-03-15 13:51:18,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40282 to 22751. [2022-03-15 13:51:18,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22751 states, 22750 states have (on average 2.757758241758242) internal successors, (62739), 22750 states have internal predecessors, (62739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:18,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22751 states to 22751 states and 62739 transitions. [2022-03-15 13:51:18,678 INFO L78 Accepts]: Start accepts. Automaton has 22751 states and 62739 transitions. Word has length 199 [2022-03-15 13:51:18,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:51:18,678 INFO L470 AbstractCegarLoop]: Abstraction has 22751 states and 62739 transitions. [2022-03-15 13:51:18,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:18,679 INFO L276 IsEmpty]: Start isEmpty. Operand 22751 states and 62739 transitions. [2022-03-15 13:51:18,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:51:18,708 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:51:18,708 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:51:18,708 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-03-15 13:51:18,708 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:51:18,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:51:18,709 INFO L85 PathProgramCache]: Analyzing trace with hash 383102397, now seen corresponding path program 32 times [2022-03-15 13:51:18,709 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:51:18,709 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881354358] [2022-03-15 13:51:18,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:51:18,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:51:18,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:51:18,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:51:18,994 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:51:18,994 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881354358] [2022-03-15 13:51:18,994 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881354358] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:51:18,994 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:51:18,994 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:51:18,994 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160929278] [2022-03-15 13:51:18,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:51:18,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:51:18,995 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:51:18,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:51:18,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:51:18,996 INFO L87 Difference]: Start difference. First operand 22751 states and 62739 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:21,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:51:21,708 INFO L93 Difference]: Finished difference Result 38395 states and 104854 transitions. [2022-03-15 13:51:21,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-15 13:51:21,708 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:51:21,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:51:21,779 INFO L225 Difference]: With dead ends: 38395 [2022-03-15 13:51:21,779 INFO L226 Difference]: Without dead ends: 38395 [2022-03-15 13:51:21,780 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1314 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=704, Invalid=5776, Unknown=0, NotChecked=0, Total=6480 [2022-03-15 13:51:21,780 INFO L933 BasicCegarLoop]: 1032 mSDtfsCounter, 1966 mSDsluCounter, 22763 mSDsCounter, 0 mSdLazyCounter, 4839 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1966 SdHoareTripleChecker+Valid, 23493 SdHoareTripleChecker+Invalid, 4860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:51:21,780 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1966 Valid, 23493 Invalid, 4860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4839 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:51:21,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38395 states. [2022-03-15 13:51:22,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38395 to 22687. [2022-03-15 13:51:22,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22687 states, 22686 states have (on average 2.7563695671339152) internal successors, (62531), 22686 states have internal predecessors, (62531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:22,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22687 states to 22687 states and 62531 transitions. [2022-03-15 13:51:22,282 INFO L78 Accepts]: Start accepts. Automaton has 22687 states and 62531 transitions. Word has length 199 [2022-03-15 13:51:22,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:51:22,282 INFO L470 AbstractCegarLoop]: Abstraction has 22687 states and 62531 transitions. [2022-03-15 13:51:22,282 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:22,282 INFO L276 IsEmpty]: Start isEmpty. Operand 22687 states and 62531 transitions. [2022-03-15 13:51:22,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:51:22,312 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:51:22,312 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:51:22,312 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-03-15 13:51:22,312 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:51:22,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:51:22,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1988727529, now seen corresponding path program 33 times [2022-03-15 13:51:22,312 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:51:22,312 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4127952] [2022-03-15 13:51:22,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:51:22,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:51:22,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:51:22,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:51:22,599 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:51:22,599 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4127952] [2022-03-15 13:51:22,599 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4127952] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:51:22,599 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:51:22,600 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:51:22,600 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712528482] [2022-03-15 13:51:22,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:51:22,600 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:51:22,600 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:51:22,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:51:22,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:51:22,601 INFO L87 Difference]: Start difference. First operand 22687 states and 62531 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:25,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:51:25,211 INFO L93 Difference]: Finished difference Result 37266 states and 101951 transitions. [2022-03-15 13:51:25,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-15 13:51:25,211 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:51:25,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:51:25,279 INFO L225 Difference]: With dead ends: 37266 [2022-03-15 13:51:25,279 INFO L226 Difference]: Without dead ends: 37266 [2022-03-15 13:51:25,280 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1075 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=629, Invalid=5071, Unknown=0, NotChecked=0, Total=5700 [2022-03-15 13:51:25,281 INFO L933 BasicCegarLoop]: 1029 mSDtfsCounter, 1764 mSDsluCounter, 22363 mSDsCounter, 0 mSdLazyCounter, 4775 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1764 SdHoareTripleChecker+Valid, 23105 SdHoareTripleChecker+Invalid, 4794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:51:25,281 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1764 Valid, 23105 Invalid, 4794 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4775 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:51:25,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37266 states. [2022-03-15 13:51:25,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37266 to 22639. [2022-03-15 13:51:25,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22639 states, 22638 states have (on average 2.755852990546868) internal successors, (62387), 22638 states have internal predecessors, (62387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:25,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22639 states to 22639 states and 62387 transitions. [2022-03-15 13:51:25,943 INFO L78 Accepts]: Start accepts. Automaton has 22639 states and 62387 transitions. Word has length 199 [2022-03-15 13:51:25,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:51:25,943 INFO L470 AbstractCegarLoop]: Abstraction has 22639 states and 62387 transitions. [2022-03-15 13:51:25,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:25,944 INFO L276 IsEmpty]: Start isEmpty. Operand 22639 states and 62387 transitions. [2022-03-15 13:51:25,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:51:25,980 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:51:25,980 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:51:25,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-03-15 13:51:25,980 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:51:25,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:51:25,982 INFO L85 PathProgramCache]: Analyzing trace with hash -387440629, now seen corresponding path program 34 times [2022-03-15 13:51:25,982 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:51:25,982 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574975134] [2022-03-15 13:51:25,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:51:25,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:51:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:51:26,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:51:26,275 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:51:26,275 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574975134] [2022-03-15 13:51:26,275 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574975134] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:51:26,276 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:51:26,276 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:51:26,276 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99633390] [2022-03-15 13:51:26,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:51:26,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:51:26,276 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:51:26,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:51:26,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:51:26,277 INFO L87 Difference]: Start difference. First operand 22639 states and 62387 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:28,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:51:28,838 INFO L93 Difference]: Finished difference Result 38624 states and 105343 transitions. [2022-03-15 13:51:28,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-15 13:51:28,838 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:51:28,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:51:28,906 INFO L225 Difference]: With dead ends: 38624 [2022-03-15 13:51:28,906 INFO L226 Difference]: Without dead ends: 38624 [2022-03-15 13:51:28,907 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1076 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=626, Invalid=5074, Unknown=0, NotChecked=0, Total=5700 [2022-03-15 13:51:28,907 INFO L933 BasicCegarLoop]: 1042 mSDtfsCounter, 1820 mSDsluCounter, 22664 mSDsCounter, 0 mSdLazyCounter, 4699 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1820 SdHoareTripleChecker+Valid, 23416 SdHoareTripleChecker+Invalid, 4718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 13:51:28,907 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1820 Valid, 23416 Invalid, 4718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4699 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 13:51:28,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38624 states. [2022-03-15 13:51:29,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38624 to 22623. [2022-03-15 13:51:29,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22623 states, 22622 states have (on average 2.7556803112014854) internal successors, (62339), 22622 states have internal predecessors, (62339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:29,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22623 states to 22623 states and 62339 transitions. [2022-03-15 13:51:29,430 INFO L78 Accepts]: Start accepts. Automaton has 22623 states and 62339 transitions. Word has length 199 [2022-03-15 13:51:29,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:51:29,430 INFO L470 AbstractCegarLoop]: Abstraction has 22623 states and 62339 transitions. [2022-03-15 13:51:29,430 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:29,430 INFO L276 IsEmpty]: Start isEmpty. Operand 22623 states and 62339 transitions. [2022-03-15 13:51:29,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:51:29,463 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:51:29,463 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:51:29,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-03-15 13:51:29,463 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:51:29,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:51:29,463 INFO L85 PathProgramCache]: Analyzing trace with hash -988671947, now seen corresponding path program 35 times [2022-03-15 13:51:29,463 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:51:29,464 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964982595] [2022-03-15 13:51:29,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:51:29,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:51:29,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:51:29,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:51:29,749 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:51:29,750 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964982595] [2022-03-15 13:51:29,750 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964982595] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:51:29,750 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:51:29,750 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:51:29,750 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476313237] [2022-03-15 13:51:29,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:51:29,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:51:29,750 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:51:29,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:51:29,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:51:29,751 INFO L87 Difference]: Start difference. First operand 22623 states and 62339 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:32,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:51:32,300 INFO L93 Difference]: Finished difference Result 39867 states and 108515 transitions. [2022-03-15 13:51:32,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-15 13:51:32,300 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:51:32,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:51:32,369 INFO L225 Difference]: With dead ends: 39867 [2022-03-15 13:51:32,370 INFO L226 Difference]: Without dead ends: 39867 [2022-03-15 13:51:32,370 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1077 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=620, Invalid=5080, Unknown=0, NotChecked=0, Total=5700 [2022-03-15 13:51:32,371 INFO L933 BasicCegarLoop]: 1079 mSDtfsCounter, 1790 mSDsluCounter, 23447 mSDsCounter, 0 mSdLazyCounter, 4696 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1790 SdHoareTripleChecker+Valid, 24216 SdHoareTripleChecker+Invalid, 4715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 13:51:32,371 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1790 Valid, 24216 Invalid, 4715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4696 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 13:51:32,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39867 states. [2022-03-15 13:51:32,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39867 to 22415. [2022-03-15 13:51:32,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22415 states, 22414 states have (on average 2.7534130454180423) internal successors, (61715), 22414 states have internal predecessors, (61715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:32,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22415 states to 22415 states and 61715 transitions. [2022-03-15 13:51:32,844 INFO L78 Accepts]: Start accepts. Automaton has 22415 states and 61715 transitions. Word has length 199 [2022-03-15 13:51:32,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:51:32,844 INFO L470 AbstractCegarLoop]: Abstraction has 22415 states and 61715 transitions. [2022-03-15 13:51:32,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:32,844 INFO L276 IsEmpty]: Start isEmpty. Operand 22415 states and 61715 transitions. [2022-03-15 13:51:32,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:51:32,874 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:51:32,874 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:51:32,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-03-15 13:51:32,874 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:51:32,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:51:32,874 INFO L85 PathProgramCache]: Analyzing trace with hash 941341555, now seen corresponding path program 36 times [2022-03-15 13:51:32,874 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:51:32,874 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869355932] [2022-03-15 13:51:32,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:51:32,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:51:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:51:33,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:51:33,155 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:51:33,155 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869355932] [2022-03-15 13:51:33,155 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869355932] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:51:33,155 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:51:33,155 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:51:33,155 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066914361] [2022-03-15 13:51:33,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:51:33,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:51:33,155 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:51:33,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:51:33,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:51:33,156 INFO L87 Difference]: Start difference. First operand 22415 states and 61715 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:35,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:51:35,692 INFO L93 Difference]: Finished difference Result 40525 states and 110237 transitions. [2022-03-15 13:51:35,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-15 13:51:35,692 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:51:35,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:51:35,765 INFO L225 Difference]: With dead ends: 40525 [2022-03-15 13:51:35,766 INFO L226 Difference]: Without dead ends: 40525 [2022-03-15 13:51:35,767 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1034 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=601, Invalid=4949, Unknown=0, NotChecked=0, Total=5550 [2022-03-15 13:51:35,767 INFO L933 BasicCegarLoop]: 1083 mSDtfsCounter, 1769 mSDsluCounter, 23619 mSDsCounter, 0 mSdLazyCounter, 4696 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1769 SdHoareTripleChecker+Valid, 24391 SdHoareTripleChecker+Invalid, 4715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 13:51:35,767 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1769 Valid, 24391 Invalid, 4715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4696 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 13:51:35,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40525 states. [2022-03-15 13:51:36,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40525 to 22399. [2022-03-15 13:51:36,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22399 states, 22398 states have (on average 2.753236896151442) internal successors, (61667), 22398 states have internal predecessors, (61667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:36,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22399 states to 22399 states and 61667 transitions. [2022-03-15 13:51:36,276 INFO L78 Accepts]: Start accepts. Automaton has 22399 states and 61667 transitions. Word has length 199 [2022-03-15 13:51:36,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:51:36,277 INFO L470 AbstractCegarLoop]: Abstraction has 22399 states and 61667 transitions. [2022-03-15 13:51:36,277 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:36,277 INFO L276 IsEmpty]: Start isEmpty. Operand 22399 states and 61667 transitions. [2022-03-15 13:51:36,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:51:36,307 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:51:36,307 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:51:36,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-03-15 13:51:36,307 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:51:36,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:51:36,307 INFO L85 PathProgramCache]: Analyzing trace with hash -707584439, now seen corresponding path program 37 times [2022-03-15 13:51:36,307 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:51:36,308 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780811581] [2022-03-15 13:51:36,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:51:36,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:51:36,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:51:36,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:51:36,593 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:51:36,593 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780811581] [2022-03-15 13:51:36,593 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780811581] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:51:36,593 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:51:36,593 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:51:36,593 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589769994] [2022-03-15 13:51:36,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:51:36,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:51:36,594 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:51:36,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:51:36,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:51:36,594 INFO L87 Difference]: Start difference. First operand 22399 states and 61667 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:38,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:51:38,922 INFO L93 Difference]: Finished difference Result 35490 states and 96535 transitions. [2022-03-15 13:51:38,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-03-15 13:51:38,923 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:51:38,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:51:38,984 INFO L225 Difference]: With dead ends: 35490 [2022-03-15 13:51:38,984 INFO L226 Difference]: Without dead ends: 35490 [2022-03-15 13:51:38,985 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 906 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=565, Invalid=4547, Unknown=0, NotChecked=0, Total=5112 [2022-03-15 13:51:38,985 INFO L933 BasicCegarLoop]: 1034 mSDtfsCounter, 1693 mSDsluCounter, 22562 mSDsCounter, 0 mSdLazyCounter, 4250 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1693 SdHoareTripleChecker+Valid, 23287 SdHoareTripleChecker+Invalid, 4269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-15 13:51:38,985 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1693 Valid, 23287 Invalid, 4269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4250 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-15 13:51:39,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35490 states. [2022-03-15 13:51:39,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35490 to 22351. [2022-03-15 13:51:39,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22351 states, 22350 states have (on average 2.7527069351230424) internal successors, (61523), 22350 states have internal predecessors, (61523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:39,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22351 states to 22351 states and 61523 transitions. [2022-03-15 13:51:39,451 INFO L78 Accepts]: Start accepts. Automaton has 22351 states and 61523 transitions. Word has length 199 [2022-03-15 13:51:39,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:51:39,452 INFO L470 AbstractCegarLoop]: Abstraction has 22351 states and 61523 transitions. [2022-03-15 13:51:39,452 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:39,452 INFO L276 IsEmpty]: Start isEmpty. Operand 22351 states and 61523 transitions. [2022-03-15 13:51:39,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:51:39,480 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:51:39,480 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:51:39,480 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-03-15 13:51:39,480 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:51:39,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:51:39,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1198885449, now seen corresponding path program 38 times [2022-03-15 13:51:39,481 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:51:39,481 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575483077] [2022-03-15 13:51:39,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:51:39,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:51:39,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:51:39,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:51:39,767 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:51:39,767 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575483077] [2022-03-15 13:51:39,767 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575483077] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:51:39,767 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:51:39,767 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:51:39,767 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512683964] [2022-03-15 13:51:39,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:51:39,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:51:39,768 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:51:39,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:51:39,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:51:39,768 INFO L87 Difference]: Start difference. First operand 22351 states and 61523 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:42,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:51:42,786 INFO L93 Difference]: Finished difference Result 41047 states and 111676 transitions. [2022-03-15 13:51:42,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-03-15 13:51:42,786 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:51:42,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:51:42,861 INFO L225 Difference]: With dead ends: 41047 [2022-03-15 13:51:42,861 INFO L226 Difference]: Without dead ends: 41047 [2022-03-15 13:51:42,862 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1473 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=824, Invalid=6316, Unknown=0, NotChecked=0, Total=7140 [2022-03-15 13:51:42,862 INFO L933 BasicCegarLoop]: 1093 mSDtfsCounter, 2260 mSDsluCounter, 24260 mSDsCounter, 0 mSdLazyCounter, 5137 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2260 SdHoareTripleChecker+Valid, 24905 SdHoareTripleChecker+Invalid, 5158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 5137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:51:42,862 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2260 Valid, 24905 Invalid, 5158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 5137 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:51:42,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41047 states. [2022-03-15 13:51:43,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41047 to 22799. [2022-03-15 13:51:43,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22799 states, 22798 states have (on average 2.7582682691464164) internal successors, (62883), 22798 states have internal predecessors, (62883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:43,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22799 states to 22799 states and 62883 transitions. [2022-03-15 13:51:43,368 INFO L78 Accepts]: Start accepts. Automaton has 22799 states and 62883 transitions. Word has length 199 [2022-03-15 13:51:43,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:51:43,368 INFO L470 AbstractCegarLoop]: Abstraction has 22799 states and 62883 transitions. [2022-03-15 13:51:43,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:43,368 INFO L276 IsEmpty]: Start isEmpty. Operand 22799 states and 62883 transitions. [2022-03-15 13:51:43,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:51:43,398 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:51:43,398 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:51:43,398 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-03-15 13:51:43,398 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:51:43,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:51:43,399 INFO L85 PathProgramCache]: Analyzing trace with hash -822912593, now seen corresponding path program 39 times [2022-03-15 13:51:43,399 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:51:43,399 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283805231] [2022-03-15 13:51:43,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:51:43,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:51:43,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:51:43,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:51:43,682 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:51:43,682 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283805231] [2022-03-15 13:51:43,683 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283805231] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:51:43,683 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:51:43,683 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:51:43,683 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564264094] [2022-03-15 13:51:43,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:51:43,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:51:43,683 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:51:43,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:51:43,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:51:43,684 INFO L87 Difference]: Start difference. First operand 22799 states and 62883 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:46,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:51:46,538 INFO L93 Difference]: Finished difference Result 38878 states and 106166 transitions. [2022-03-15 13:51:46,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-03-15 13:51:46,538 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:51:46,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:51:46,605 INFO L225 Difference]: With dead ends: 38878 [2022-03-15 13:51:46,606 INFO L226 Difference]: Without dead ends: 38878 [2022-03-15 13:51:46,607 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1463 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=758, Invalid=6214, Unknown=0, NotChecked=0, Total=6972 [2022-03-15 13:51:46,607 INFO L933 BasicCegarLoop]: 1056 mSDtfsCounter, 2085 mSDsluCounter, 23345 mSDsCounter, 0 mSdLazyCounter, 4841 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2085 SdHoareTripleChecker+Valid, 24075 SdHoareTripleChecker+Invalid, 4862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:51:46,607 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2085 Valid, 24075 Invalid, 4862 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [21 Valid, 4841 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:51:46,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38878 states. [2022-03-15 13:51:47,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38878 to 22735. [2022-03-15 13:51:47,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22735 states, 22734 states have (on average 2.7568839623471453) internal successors, (62675), 22734 states have internal predecessors, (62675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:47,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22735 states to 22735 states and 62675 transitions. [2022-03-15 13:51:47,093 INFO L78 Accepts]: Start accepts. Automaton has 22735 states and 62675 transitions. Word has length 199 [2022-03-15 13:51:47,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:51:47,093 INFO L470 AbstractCegarLoop]: Abstraction has 22735 states and 62675 transitions. [2022-03-15 13:51:47,093 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:47,093 INFO L276 IsEmpty]: Start isEmpty. Operand 22735 states and 62675 transitions. [2022-03-15 13:51:47,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:51:47,121 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:51:47,122 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:51:47,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-03-15 13:51:47,122 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:51:47,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:51:47,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1100224777, now seen corresponding path program 40 times [2022-03-15 13:51:47,122 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:51:47,122 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539108116] [2022-03-15 13:51:47,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:51:47,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:51:47,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:51:47,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:51:47,403 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:51:47,403 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539108116] [2022-03-15 13:51:47,403 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539108116] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:51:47,403 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:51:47,403 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:51:47,403 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863839242] [2022-03-15 13:51:47,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:51:47,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:51:47,404 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:51:47,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:51:47,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:51:47,404 INFO L87 Difference]: Start difference. First operand 22735 states and 62675 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:50,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:51:50,104 INFO L93 Difference]: Finished difference Result 37749 states and 103263 transitions. [2022-03-15 13:51:50,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-15 13:51:50,105 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:51:50,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:51:50,171 INFO L225 Difference]: With dead ends: 37749 [2022-03-15 13:51:50,172 INFO L226 Difference]: Without dead ends: 37749 [2022-03-15 13:51:50,173 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1210 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=679, Invalid=5483, Unknown=0, NotChecked=0, Total=6162 [2022-03-15 13:51:50,173 INFO L933 BasicCegarLoop]: 1053 mSDtfsCounter, 1883 mSDsluCounter, 22855 mSDsCounter, 0 mSdLazyCounter, 4776 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1883 SdHoareTripleChecker+Valid, 23601 SdHoareTripleChecker+Invalid, 4795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:51:50,173 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1883 Valid, 23601 Invalid, 4795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4776 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:51:50,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37749 states. [2022-03-15 13:51:50,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37749 to 22687. [2022-03-15 13:51:50,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22687 states, 22686 states have (on average 2.7563695671339152) internal successors, (62531), 22686 states have internal predecessors, (62531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:50,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22687 states to 22687 states and 62531 transitions. [2022-03-15 13:51:50,654 INFO L78 Accepts]: Start accepts. Automaton has 22687 states and 62531 transitions. Word has length 199 [2022-03-15 13:51:50,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:51:50,654 INFO L470 AbstractCegarLoop]: Abstraction has 22687 states and 62531 transitions. [2022-03-15 13:51:50,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:50,654 INFO L276 IsEmpty]: Start isEmpty. Operand 22687 states and 62531 transitions. [2022-03-15 13:51:50,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:51:50,685 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:51:50,685 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:51:50,685 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-03-15 13:51:50,685 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:51:50,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:51:50,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1593455619, now seen corresponding path program 41 times [2022-03-15 13:51:50,685 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:51:50,686 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187668338] [2022-03-15 13:51:50,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:51:50,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:51:50,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:51:50,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:51:50,969 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:51:50,969 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187668338] [2022-03-15 13:51:50,969 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187668338] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:51:50,969 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:51:50,969 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:51:50,969 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479902500] [2022-03-15 13:51:50,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:51:50,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:51:50,970 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:51:50,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:51:50,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:51:50,970 INFO L87 Difference]: Start difference. First operand 22687 states and 62531 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:53,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:51:53,607 INFO L93 Difference]: Finished difference Result 39107 states and 106655 transitions. [2022-03-15 13:51:53,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-15 13:51:53,608 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:51:53,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:51:53,685 INFO L225 Difference]: With dead ends: 39107 [2022-03-15 13:51:53,685 INFO L226 Difference]: Without dead ends: 39107 [2022-03-15 13:51:53,687 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1210 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=677, Invalid=5485, Unknown=0, NotChecked=0, Total=6162 [2022-03-15 13:51:53,687 INFO L933 BasicCegarLoop]: 1066 mSDtfsCounter, 1939 mSDsluCounter, 23141 mSDsCounter, 0 mSdLazyCounter, 4705 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1939 SdHoareTripleChecker+Valid, 23897 SdHoareTripleChecker+Invalid, 4724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:51:53,688 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1939 Valid, 23897 Invalid, 4724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4705 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:51:53,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39107 states. [2022-03-15 13:51:54,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39107 to 22671. [2022-03-15 13:51:54,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22671 states, 22670 states have (on average 2.7561976179973535) internal successors, (62483), 22670 states have internal predecessors, (62483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:54,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22671 states to 22671 states and 62483 transitions. [2022-03-15 13:51:54,194 INFO L78 Accepts]: Start accepts. Automaton has 22671 states and 62483 transitions. Word has length 199 [2022-03-15 13:51:54,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:51:54,194 INFO L470 AbstractCegarLoop]: Abstraction has 22671 states and 62483 transitions. [2022-03-15 13:51:54,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:54,194 INFO L276 IsEmpty]: Start isEmpty. Operand 22671 states and 62483 transitions. [2022-03-15 13:51:54,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:51:54,223 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:51:54,224 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:51:54,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-03-15 13:51:54,224 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:51:54,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:51:54,224 INFO L85 PathProgramCache]: Analyzing trace with hash 2100280359, now seen corresponding path program 42 times [2022-03-15 13:51:54,224 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:51:54,224 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49783589] [2022-03-15 13:51:54,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:51:54,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:51:54,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:51:54,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:51:54,504 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:51:54,504 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49783589] [2022-03-15 13:51:54,504 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49783589] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:51:54,504 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:51:54,504 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:51:54,504 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107487879] [2022-03-15 13:51:54,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:51:54,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:51:54,505 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:51:54,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:51:54,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:51:54,505 INFO L87 Difference]: Start difference. First operand 22671 states and 62483 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:57,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:51:57,147 INFO L93 Difference]: Finished difference Result 40350 states and 109827 transitions. [2022-03-15 13:51:57,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-15 13:51:57,147 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:51:57,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:51:57,218 INFO L225 Difference]: With dead ends: 40350 [2022-03-15 13:51:57,218 INFO L226 Difference]: Without dead ends: 40350 [2022-03-15 13:51:57,219 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1210 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=672, Invalid=5490, Unknown=0, NotChecked=0, Total=6162 [2022-03-15 13:51:57,219 INFO L933 BasicCegarLoop]: 1103 mSDtfsCounter, 1909 mSDsluCounter, 23881 mSDsCounter, 0 mSdLazyCounter, 4708 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1909 SdHoareTripleChecker+Valid, 24655 SdHoareTripleChecker+Invalid, 4727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 13:51:57,220 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1909 Valid, 24655 Invalid, 4727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4708 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 13:51:57,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40350 states. [2022-03-15 13:51:57,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40350 to 22463. [2022-03-15 13:51:57,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22463 states, 22462 states have (on average 2.7539399875345025) internal successors, (61859), 22462 states have internal predecessors, (61859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:57,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22463 states to 22463 states and 61859 transitions. [2022-03-15 13:51:57,692 INFO L78 Accepts]: Start accepts. Automaton has 22463 states and 61859 transitions. Word has length 199 [2022-03-15 13:51:57,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:51:57,692 INFO L470 AbstractCegarLoop]: Abstraction has 22463 states and 61859 transitions. [2022-03-15 13:51:57,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:51:57,692 INFO L276 IsEmpty]: Start isEmpty. Operand 22463 states and 61859 transitions. [2022-03-15 13:51:57,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:51:57,720 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:51:57,720 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:51:57,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-03-15 13:51:57,720 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:51:57,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:51:57,720 INFO L85 PathProgramCache]: Analyzing trace with hash -264673435, now seen corresponding path program 43 times [2022-03-15 13:51:57,720 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:51:57,720 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276995116] [2022-03-15 13:51:57,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:51:57,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:51:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:51:58,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:51:58,018 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:51:58,019 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276995116] [2022-03-15 13:51:58,019 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276995116] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:51:58,019 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:51:58,019 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:51:58,019 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229027999] [2022-03-15 13:51:58,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:51:58,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:51:58,019 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:51:58,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:51:58,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:51:58,020 INFO L87 Difference]: Start difference. First operand 22463 states and 61859 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:00,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:52:00,623 INFO L93 Difference]: Finished difference Result 41008 states and 111549 transitions. [2022-03-15 13:52:00,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-03-15 13:52:00,624 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:52:00,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:52:00,697 INFO L225 Difference]: With dead ends: 41008 [2022-03-15 13:52:00,697 INFO L226 Difference]: Without dead ends: 41008 [2022-03-15 13:52:00,698 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1164 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=652, Invalid=5354, Unknown=0, NotChecked=0, Total=6006 [2022-03-15 13:52:00,699 INFO L933 BasicCegarLoop]: 1107 mSDtfsCounter, 1888 mSDsluCounter, 24048 mSDsCounter, 0 mSdLazyCounter, 4709 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1888 SdHoareTripleChecker+Valid, 24825 SdHoareTripleChecker+Invalid, 4728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 13:52:00,699 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1888 Valid, 24825 Invalid, 4728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4709 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 13:52:00,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41008 states. [2022-03-15 13:52:01,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41008 to 22447. [2022-03-15 13:52:01,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22447 states, 22446 states have (on average 2.7537645905729304) internal successors, (61811), 22446 states have internal predecessors, (61811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:01,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22447 states to 22447 states and 61811 transitions. [2022-03-15 13:52:01,198 INFO L78 Accepts]: Start accepts. Automaton has 22447 states and 61811 transitions. Word has length 199 [2022-03-15 13:52:01,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:52:01,199 INFO L470 AbstractCegarLoop]: Abstraction has 22447 states and 61811 transitions. [2022-03-15 13:52:01,199 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:01,199 INFO L276 IsEmpty]: Start isEmpty. Operand 22447 states and 61811 transitions. [2022-03-15 13:52:01,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:52:01,226 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:52:01,227 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:52:01,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-03-15 13:52:01,227 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:52:01,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:52:01,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1913599429, now seen corresponding path program 44 times [2022-03-15 13:52:01,227 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:52:01,227 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256554613] [2022-03-15 13:52:01,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:52:01,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:52:01,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:52:01,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:52:01,519 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:52:01,519 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256554613] [2022-03-15 13:52:01,519 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256554613] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:52:01,519 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:52:01,519 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:52:01,519 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841273361] [2022-03-15 13:52:01,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:52:01,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:52:01,520 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:52:01,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:52:01,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:52:01,520 INFO L87 Difference]: Start difference. First operand 22447 states and 61811 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:04,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:52:04,139 INFO L93 Difference]: Finished difference Result 41196 states and 112041 transitions. [2022-03-15 13:52:04,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-15 13:52:04,140 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:52:04,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:52:04,210 INFO L225 Difference]: With dead ends: 41196 [2022-03-15 13:52:04,210 INFO L226 Difference]: Without dead ends: 41196 [2022-03-15 13:52:04,210 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1119 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=635, Invalid=5217, Unknown=0, NotChecked=0, Total=5852 [2022-03-15 13:52:04,211 INFO L933 BasicCegarLoop]: 1109 mSDtfsCounter, 1834 mSDsluCounter, 24197 mSDsCounter, 0 mSdLazyCounter, 4518 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1834 SdHoareTripleChecker+Valid, 24975 SdHoareTripleChecker+Invalid, 4537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:52:04,211 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1834 Valid, 24975 Invalid, 4537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4518 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:52:04,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41196 states. [2022-03-15 13:52:04,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41196 to 22399. [2022-03-15 13:52:04,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22399 states, 22398 states have (on average 2.753236896151442) internal successors, (61667), 22398 states have internal predecessors, (61667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:04,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22399 states to 22399 states and 61667 transitions. [2022-03-15 13:52:04,694 INFO L78 Accepts]: Start accepts. Automaton has 22399 states and 61667 transitions. Word has length 199 [2022-03-15 13:52:04,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:52:04,694 INFO L470 AbstractCegarLoop]: Abstraction has 22399 states and 61667 transitions. [2022-03-15 13:52:04,694 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:04,695 INFO L276 IsEmpty]: Start isEmpty. Operand 22399 states and 61667 transitions. [2022-03-15 13:52:04,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:52:04,722 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:52:04,722 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:52:04,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-03-15 13:52:04,723 INFO L402 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:52:04,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:52:04,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1972789787, now seen corresponding path program 45 times [2022-03-15 13:52:04,723 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:52:04,723 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393500443] [2022-03-15 13:52:04,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:52:04,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:52:04,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:52:05,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:52:05,006 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:52:05,006 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393500443] [2022-03-15 13:52:05,006 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393500443] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:52:05,006 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:52:05,006 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:52:05,006 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163022034] [2022-03-15 13:52:05,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:52:05,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:52:05,006 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:52:05,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:52:05,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:52:05,007 INFO L87 Difference]: Start difference. First operand 22399 states and 61667 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:07,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:52:07,389 INFO L93 Difference]: Finished difference Result 35877 states and 97559 transitions. [2022-03-15 13:52:07,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-15 13:52:07,390 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:52:07,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:52:07,456 INFO L225 Difference]: With dead ends: 35877 [2022-03-15 13:52:07,456 INFO L226 Difference]: Without dead ends: 35877 [2022-03-15 13:52:07,457 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1025 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=618, Invalid=4932, Unknown=0, NotChecked=0, Total=5550 [2022-03-15 13:52:07,458 INFO L933 BasicCegarLoop]: 1056 mSDtfsCounter, 1782 mSDsluCounter, 23025 mSDsCounter, 0 mSdLazyCounter, 4151 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1782 SdHoareTripleChecker+Valid, 23753 SdHoareTripleChecker+Invalid, 4170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-15 13:52:07,458 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1782 Valid, 23753 Invalid, 4170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4151 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-15 13:52:07,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35877 states. [2022-03-15 13:52:07,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35877 to 22351. [2022-03-15 13:52:07,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22351 states, 22350 states have (on average 2.7527069351230424) internal successors, (61523), 22350 states have internal predecessors, (61523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:07,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22351 states to 22351 states and 61523 transitions. [2022-03-15 13:52:07,958 INFO L78 Accepts]: Start accepts. Automaton has 22351 states and 61523 transitions. Word has length 199 [2022-03-15 13:52:07,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:52:07,958 INFO L470 AbstractCegarLoop]: Abstraction has 22351 states and 61523 transitions. [2022-03-15 13:52:07,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:07,958 INFO L276 IsEmpty]: Start isEmpty. Operand 22351 states and 61523 transitions. [2022-03-15 13:52:07,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:52:07,985 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:52:07,985 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:52:07,985 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-03-15 13:52:07,986 INFO L402 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:52:07,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:52:07,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1309715475, now seen corresponding path program 46 times [2022-03-15 13:52:07,986 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:52:07,986 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533931963] [2022-03-15 13:52:07,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:52:07,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:52:07,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:52:08,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:52:08,272 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:52:08,272 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533931963] [2022-03-15 13:52:08,272 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533931963] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:52:08,272 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:52:08,273 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:52:08,273 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779741760] [2022-03-15 13:52:08,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:52:08,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:52:08,273 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:52:08,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:52:08,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:52:08,273 INFO L87 Difference]: Start difference. First operand 22351 states and 61523 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:11,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:52:11,352 INFO L93 Difference]: Finished difference Result 43816 states and 119376 transitions. [2022-03-15 13:52:11,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-15 13:52:11,353 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:52:11,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:52:11,438 INFO L225 Difference]: With dead ends: 43816 [2022-03-15 13:52:11,438 INFO L226 Difference]: Without dead ends: 43816 [2022-03-15 13:52:11,439 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1331 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=848, Invalid=5958, Unknown=0, NotChecked=0, Total=6806 [2022-03-15 13:52:11,440 INFO L933 BasicCegarLoop]: 1076 mSDtfsCounter, 2398 mSDsluCounter, 23325 mSDsCounter, 0 mSdLazyCounter, 5306 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2398 SdHoareTripleChecker+Valid, 23927 SdHoareTripleChecker+Invalid, 5329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 13:52:11,440 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2398 Valid, 23927 Invalid, 5329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5306 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 13:52:11,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43816 states. [2022-03-15 13:52:11,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43816 to 22923. [2022-03-15 13:52:11,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22923 states, 22922 states have (on average 2.757002006805689) internal successors, (63196), 22922 states have internal predecessors, (63196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:12,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22923 states to 22923 states and 63196 transitions. [2022-03-15 13:52:12,016 INFO L78 Accepts]: Start accepts. Automaton has 22923 states and 63196 transitions. Word has length 199 [2022-03-15 13:52:12,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:52:12,017 INFO L470 AbstractCegarLoop]: Abstraction has 22923 states and 63196 transitions. [2022-03-15 13:52:12,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:12,017 INFO L276 IsEmpty]: Start isEmpty. Operand 22923 states and 63196 transitions. [2022-03-15 13:52:12,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:52:12,049 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:52:12,049 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:52:12,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-03-15 13:52:12,049 INFO L402 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:52:12,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:52:12,050 INFO L85 PathProgramCache]: Analyzing trace with hash -712082567, now seen corresponding path program 47 times [2022-03-15 13:52:12,050 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:52:12,050 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934320377] [2022-03-15 13:52:12,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:52:12,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:52:12,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:52:12,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:52:12,341 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:52:12,341 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934320377] [2022-03-15 13:52:12,341 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934320377] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:52:12,341 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:52:12,341 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:52:12,341 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637414214] [2022-03-15 13:52:12,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:52:12,342 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:52:12,342 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:52:12,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:52:12,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:52:12,342 INFO L87 Difference]: Start difference. First operand 22923 states and 63196 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:15,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:52:15,224 INFO L93 Difference]: Finished difference Result 41749 states and 114148 transitions. [2022-03-15 13:52:15,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-15 13:52:15,224 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:52:15,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:52:15,297 INFO L225 Difference]: With dead ends: 41749 [2022-03-15 13:52:15,297 INFO L226 Difference]: Without dead ends: 41749 [2022-03-15 13:52:15,298 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1324 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=792, Invalid=5850, Unknown=0, NotChecked=0, Total=6642 [2022-03-15 13:52:15,298 INFO L933 BasicCegarLoop]: 1043 mSDtfsCounter, 2355 mSDsluCounter, 22353 mSDsCounter, 0 mSdLazyCounter, 4999 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2355 SdHoareTripleChecker+Valid, 23086 SdHoareTripleChecker+Invalid, 5022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4999 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:52:15,298 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2355 Valid, 23086 Invalid, 5022 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4999 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:52:15,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41749 states. [2022-03-15 13:52:15,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41749 to 22859. [2022-03-15 13:52:15,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22859 states, 22858 states have (on average 2.755621664187593) internal successors, (62988), 22858 states have internal predecessors, (62988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:15,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22859 states to 22859 states and 62988 transitions. [2022-03-15 13:52:15,795 INFO L78 Accepts]: Start accepts. Automaton has 22859 states and 62988 transitions. Word has length 199 [2022-03-15 13:52:15,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:52:15,795 INFO L470 AbstractCegarLoop]: Abstraction has 22859 states and 62988 transitions. [2022-03-15 13:52:15,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:15,795 INFO L276 IsEmpty]: Start isEmpty. Operand 22859 states and 62988 transitions. [2022-03-15 13:52:15,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:52:15,823 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:52:15,823 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:52:15,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-03-15 13:52:15,823 INFO L402 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:52:15,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:52:15,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1211054803, now seen corresponding path program 48 times [2022-03-15 13:52:15,823 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:52:15,824 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466485802] [2022-03-15 13:52:15,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:52:15,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:52:15,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:52:16,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:52:16,112 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:52:16,112 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466485802] [2022-03-15 13:52:16,112 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466485802] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:52:16,112 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:52:16,112 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:52:16,112 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753279362] [2022-03-15 13:52:16,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:52:16,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:52:16,112 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:52:16,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:52:16,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:52:16,113 INFO L87 Difference]: Start difference. First operand 22859 states and 62988 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:18,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:52:18,848 INFO L93 Difference]: Finished difference Result 39891 states and 109363 transitions. [2022-03-15 13:52:18,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-15 13:52:18,849 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:52:18,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:52:18,917 INFO L225 Difference]: With dead ends: 39891 [2022-03-15 13:52:18,917 INFO L226 Difference]: Without dead ends: 39891 [2022-03-15 13:52:18,918 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1042 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=685, Invalid=5015, Unknown=0, NotChecked=0, Total=5700 [2022-03-15 13:52:18,919 INFO L933 BasicCegarLoop]: 1038 mSDtfsCounter, 2085 mSDsluCounter, 21909 mSDsCounter, 0 mSdLazyCounter, 4952 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2085 SdHoareTripleChecker+Valid, 22652 SdHoareTripleChecker+Invalid, 4971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4952 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:52:18,919 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2085 Valid, 22652 Invalid, 4971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4952 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:52:18,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39891 states. [2022-03-15 13:52:19,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39891 to 22811. [2022-03-15 13:52:19,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22811 states, 22810 states have (on average 2.7551074090311265) internal successors, (62844), 22810 states have internal predecessors, (62844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:19,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22811 states to 22811 states and 62844 transitions. [2022-03-15 13:52:19,404 INFO L78 Accepts]: Start accepts. Automaton has 22811 states and 62844 transitions. Word has length 199 [2022-03-15 13:52:19,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:52:19,404 INFO L470 AbstractCegarLoop]: Abstraction has 22811 states and 62844 transitions. [2022-03-15 13:52:19,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:19,404 INFO L276 IsEmpty]: Start isEmpty. Operand 22811 states and 62844 transitions. [2022-03-15 13:52:19,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:52:19,433 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:52:19,433 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:52:19,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-03-15 13:52:19,433 INFO L402 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:52:19,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:52:19,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1482625593, now seen corresponding path program 49 times [2022-03-15 13:52:19,434 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:52:19,434 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317377438] [2022-03-15 13:52:19,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:52:19,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:52:19,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:52:19,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:52:19,715 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:52:19,715 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317377438] [2022-03-15 13:52:19,715 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317377438] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:52:19,715 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:52:19,716 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:52:19,716 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744850667] [2022-03-15 13:52:19,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:52:19,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:52:19,716 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:52:19,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:52:19,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:52:19,716 INFO L87 Difference]: Start difference. First operand 22811 states and 62844 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:22,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:52:22,506 INFO L93 Difference]: Finished difference Result 41249 states and 112755 transitions. [2022-03-15 13:52:22,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-15 13:52:22,507 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:52:22,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:52:22,575 INFO L225 Difference]: With dead ends: 41249 [2022-03-15 13:52:22,575 INFO L226 Difference]: Without dead ends: 41249 [2022-03-15 13:52:22,576 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1041 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=686, Invalid=5014, Unknown=0, NotChecked=0, Total=5700 [2022-03-15 13:52:22,576 INFO L933 BasicCegarLoop]: 1051 mSDtfsCounter, 2141 mSDsluCounter, 22173 mSDsCounter, 0 mSdLazyCounter, 4876 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2141 SdHoareTripleChecker+Valid, 22927 SdHoareTripleChecker+Invalid, 4895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:52:22,576 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2141 Valid, 22927 Invalid, 4895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4876 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:52:22,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41249 states. [2022-03-15 13:52:22,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41249 to 22795. [2022-03-15 13:52:23,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22795 states, 22794 states have (on average 2.7549355093445644) internal successors, (62796), 22794 states have internal predecessors, (62796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:23,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22795 states to 22795 states and 62796 transitions. [2022-03-15 13:52:23,053 INFO L78 Accepts]: Start accepts. Automaton has 22795 states and 62796 transitions. Word has length 199 [2022-03-15 13:52:23,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:52:23,053 INFO L470 AbstractCegarLoop]: Abstraction has 22795 states and 62796 transitions. [2022-03-15 13:52:23,053 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:23,053 INFO L276 IsEmpty]: Start isEmpty. Operand 22795 states and 62796 transitions. [2022-03-15 13:52:23,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:52:23,080 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:52:23,081 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:52:23,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-03-15 13:52:23,081 INFO L402 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:52:23,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:52:23,081 INFO L85 PathProgramCache]: Analyzing trace with hash -2083856911, now seen corresponding path program 50 times [2022-03-15 13:52:23,081 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:52:23,081 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447657645] [2022-03-15 13:52:23,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:52:23,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:52:23,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:52:23,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:52:23,360 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:52:23,360 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447657645] [2022-03-15 13:52:23,360 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447657645] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:52:23,361 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:52:23,361 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:52:23,361 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991679960] [2022-03-15 13:52:23,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:52:23,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:52:23,361 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:52:23,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:52:23,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:52:23,361 INFO L87 Difference]: Start difference. First operand 22795 states and 62796 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:25,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:52:25,993 INFO L93 Difference]: Finished difference Result 40242 states and 109897 transitions. [2022-03-15 13:52:25,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-15 13:52:25,994 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:52:25,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:52:26,073 INFO L225 Difference]: With dead ends: 40242 [2022-03-15 13:52:26,073 INFO L226 Difference]: Without dead ends: 40242 [2022-03-15 13:52:26,074 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 958 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=647, Invalid=4755, Unknown=0, NotChecked=0, Total=5402 [2022-03-15 13:52:26,074 INFO L933 BasicCegarLoop]: 1098 mSDtfsCounter, 1949 mSDsluCounter, 23013 mSDsCounter, 0 mSdLazyCounter, 4900 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1949 SdHoareTripleChecker+Valid, 23797 SdHoareTripleChecker+Invalid, 4919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4900 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:52:26,074 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1949 Valid, 23797 Invalid, 4919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4900 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:52:26,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40242 states. [2022-03-15 13:52:26,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40242 to 22587. [2022-03-15 13:52:26,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22587 states, 22586 states have (on average 2.752678650491455) internal successors, (62172), 22586 states have internal predecessors, (62172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:26,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22587 states to 22587 states and 62172 transitions. [2022-03-15 13:52:26,567 INFO L78 Accepts]: Start accepts. Automaton has 22587 states and 62172 transitions. Word has length 199 [2022-03-15 13:52:26,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:52:26,567 INFO L470 AbstractCegarLoop]: Abstraction has 22587 states and 62172 transitions. [2022-03-15 13:52:26,568 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:26,568 INFO L276 IsEmpty]: Start isEmpty. Operand 22587 states and 62172 transitions. [2022-03-15 13:52:26,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:52:26,596 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:52:26,596 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:52:26,596 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-03-15 13:52:26,596 INFO L402 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:52:26,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:52:26,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1390257003, now seen corresponding path program 51 times [2022-03-15 13:52:26,597 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:52:26,597 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252705420] [2022-03-15 13:52:26,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:52:26,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:52:26,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:52:26,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:52:26,915 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:52:26,915 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252705420] [2022-03-15 13:52:26,915 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252705420] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:52:26,915 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:52:26,915 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:52:26,915 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504482703] [2022-03-15 13:52:26,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:52:26,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:52:26,916 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:52:26,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:52:26,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:52:26,916 INFO L87 Difference]: Start difference. First operand 22587 states and 62172 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:29,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:52:29,549 INFO L93 Difference]: Finished difference Result 37931 states and 103594 transitions. [2022-03-15 13:52:29,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-15 13:52:29,549 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:52:29,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:52:29,616 INFO L225 Difference]: With dead ends: 37931 [2022-03-15 13:52:29,616 INFO L226 Difference]: Without dead ends: 37931 [2022-03-15 13:52:29,617 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 951 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=658, Invalid=4744, Unknown=0, NotChecked=0, Total=5402 [2022-03-15 13:52:29,617 INFO L933 BasicCegarLoop]: 956 mSDtfsCounter, 2059 mSDsluCounter, 20751 mSDsCounter, 0 mSdLazyCounter, 4859 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2059 SdHoareTripleChecker+Valid, 21351 SdHoareTripleChecker+Invalid, 4882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4859 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:52:29,617 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2059 Valid, 21351 Invalid, 4882 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4859 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:52:29,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37931 states. [2022-03-15 13:52:30,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37931 to 22747. [2022-03-15 13:52:30,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22747 states, 22746 states have (on average 2.754594214367361) internal successors, (62656), 22746 states have internal predecessors, (62656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:30,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22747 states to 22747 states and 62656 transitions. [2022-03-15 13:52:30,120 INFO L78 Accepts]: Start accepts. Automaton has 22747 states and 62656 transitions. Word has length 199 [2022-03-15 13:52:30,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:52:30,120 INFO L470 AbstractCegarLoop]: Abstraction has 22747 states and 62656 transitions. [2022-03-15 13:52:30,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:30,121 INFO L276 IsEmpty]: Start isEmpty. Operand 22747 states and 62656 transitions. [2022-03-15 13:52:30,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:52:30,149 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:52:30,149 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:52:30,150 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-03-15 13:52:30,150 INFO L402 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:52:30,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:52:30,150 INFO L85 PathProgramCache]: Analyzing trace with hash 882912251, now seen corresponding path program 52 times [2022-03-15 13:52:30,150 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:52:30,150 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392548727] [2022-03-15 13:52:30,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:52:30,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:52:30,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:52:30,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:52:30,436 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:52:30,436 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392548727] [2022-03-15 13:52:30,436 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392548727] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:52:30,437 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:52:30,437 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:52:30,437 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416412146] [2022-03-15 13:52:30,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:52:30,437 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:52:30,437 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:52:30,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:52:30,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:52:30,438 INFO L87 Difference]: Start difference. First operand 22747 states and 62656 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:33,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:52:33,023 INFO L93 Difference]: Finished difference Result 37027 states and 101394 transitions. [2022-03-15 13:52:33,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-15 13:52:33,024 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:52:33,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:52:33,092 INFO L225 Difference]: With dead ends: 37027 [2022-03-15 13:52:33,092 INFO L226 Difference]: Without dead ends: 37027 [2022-03-15 13:52:33,093 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1004 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=659, Invalid=4891, Unknown=0, NotChecked=0, Total=5550 [2022-03-15 13:52:33,093 INFO L933 BasicCegarLoop]: 941 mSDtfsCounter, 1987 mSDsluCounter, 20164 mSDsCounter, 0 mSdLazyCounter, 4702 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1987 SdHoareTripleChecker+Valid, 20897 SdHoareTripleChecker+Invalid, 4725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:52:33,093 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1987 Valid, 20897 Invalid, 4725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4702 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:52:33,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37027 states. [2022-03-15 13:52:33,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37027 to 22683. [2022-03-15 13:52:33,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22683 states, 22682 states have (on average 2.7531963671633894) internal successors, (62448), 22682 states have internal predecessors, (62448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:33,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22683 states to 22683 states and 62448 transitions. [2022-03-15 13:52:33,602 INFO L78 Accepts]: Start accepts. Automaton has 22683 states and 62448 transitions. Word has length 199 [2022-03-15 13:52:33,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:52:33,602 INFO L470 AbstractCegarLoop]: Abstraction has 22683 states and 62448 transitions. [2022-03-15 13:52:33,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:33,602 INFO L276 IsEmpty]: Start isEmpty. Operand 22683 states and 62448 transitions. [2022-03-15 13:52:33,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:52:33,633 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:52:33,633 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:52:33,633 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-03-15 13:52:33,633 INFO L402 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:52:33,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:52:33,634 INFO L85 PathProgramCache]: Analyzing trace with hash 505715027, now seen corresponding path program 53 times [2022-03-15 13:52:33,634 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:52:33,634 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195897377] [2022-03-15 13:52:33,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:52:33,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:52:33,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:52:33,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:52:33,926 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:52:33,926 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195897377] [2022-03-15 13:52:33,926 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195897377] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:52:33,926 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:52:33,926 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:52:33,927 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026366639] [2022-03-15 13:52:33,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:52:33,927 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:52:33,927 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:52:33,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:52:33,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:52:33,927 INFO L87 Difference]: Start difference. First operand 22683 states and 62448 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:36,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:52:36,382 INFO L93 Difference]: Finished difference Result 34832 states and 95221 transitions. [2022-03-15 13:52:36,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-15 13:52:36,382 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:52:36,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:52:36,440 INFO L225 Difference]: With dead ends: 34832 [2022-03-15 13:52:36,440 INFO L226 Difference]: Without dead ends: 34832 [2022-03-15 13:52:36,441 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 791 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=602, Invalid=4228, Unknown=0, NotChecked=0, Total=4830 [2022-03-15 13:52:36,441 INFO L933 BasicCegarLoop]: 935 mSDtfsCounter, 1721 mSDsluCounter, 20106 mSDsCounter, 0 mSdLazyCounter, 4608 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1721 SdHoareTripleChecker+Valid, 20708 SdHoareTripleChecker+Invalid, 4627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 13:52:36,441 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1721 Valid, 20708 Invalid, 4627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4608 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 13:52:36,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34832 states. [2022-03-15 13:52:36,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34832 to 22635. [2022-03-15 13:52:36,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22635 states, 22634 states have (on average 2.75267296986834) internal successors, (62304), 22634 states have internal predecessors, (62304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:36,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22635 states to 22635 states and 62304 transitions. [2022-03-15 13:52:36,884 INFO L78 Accepts]: Start accepts. Automaton has 22635 states and 62304 transitions. Word has length 199 [2022-03-15 13:52:36,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:52:36,884 INFO L470 AbstractCegarLoop]: Abstraction has 22635 states and 62304 transitions. [2022-03-15 13:52:36,885 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:36,885 INFO L276 IsEmpty]: Start isEmpty. Operand 22635 states and 62304 transitions. [2022-03-15 13:52:36,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:52:36,912 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:52:36,912 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:52:36,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-03-15 13:52:36,912 INFO L402 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:52:36,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:52:36,913 INFO L85 PathProgramCache]: Analyzing trace with hash 868421715, now seen corresponding path program 54 times [2022-03-15 13:52:36,913 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:52:36,913 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659036887] [2022-03-15 13:52:36,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:52:36,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:52:36,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:52:37,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:52:37,225 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:52:37,225 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659036887] [2022-03-15 13:52:37,225 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659036887] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:52:37,225 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:52:37,225 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:52:37,225 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204633076] [2022-03-15 13:52:37,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:52:37,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:52:37,225 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:52:37,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:52:37,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:52:37,226 INFO L87 Difference]: Start difference. First operand 22635 states and 62304 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:39,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:52:39,999 INFO L93 Difference]: Finished difference Result 38523 states and 105184 transitions. [2022-03-15 13:52:39,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-15 13:52:39,999 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:52:39,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:52:40,068 INFO L225 Difference]: With dead ends: 38523 [2022-03-15 13:52:40,068 INFO L226 Difference]: Without dead ends: 38523 [2022-03-15 13:52:40,069 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1077 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=702, Invalid=5150, Unknown=0, NotChecked=0, Total=5852 [2022-03-15 13:52:40,070 INFO L933 BasicCegarLoop]: 993 mSDtfsCounter, 2003 mSDsluCounter, 21533 mSDsCounter, 0 mSdLazyCounter, 5032 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2003 SdHoareTripleChecker+Valid, 22130 SdHoareTripleChecker+Invalid, 5055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:52:40,070 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2003 Valid, 22130 Invalid, 5055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5032 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:52:40,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38523 states. [2022-03-15 13:52:40,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38523 to 22747. [2022-03-15 13:52:40,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22747 states, 22746 states have (on average 2.754594214367361) internal successors, (62656), 22746 states have internal predecessors, (62656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:40,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22747 states to 22747 states and 62656 transitions. [2022-03-15 13:52:40,609 INFO L78 Accepts]: Start accepts. Automaton has 22747 states and 62656 transitions. Word has length 199 [2022-03-15 13:52:40,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:52:40,610 INFO L470 AbstractCegarLoop]: Abstraction has 22747 states and 62656 transitions. [2022-03-15 13:52:40,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:40,610 INFO L276 IsEmpty]: Start isEmpty. Operand 22747 states and 62656 transitions. [2022-03-15 13:52:40,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:52:40,638 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:52:40,638 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:52:40,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2022-03-15 13:52:40,638 INFO L402 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:52:40,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:52:40,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1153376327, now seen corresponding path program 55 times [2022-03-15 13:52:40,639 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:52:40,639 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349954332] [2022-03-15 13:52:40,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:52:40,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:52:40,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:52:40,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:52:40,931 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:52:40,931 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349954332] [2022-03-15 13:52:40,931 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349954332] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:52:40,931 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:52:40,931 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:52:40,932 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285834791] [2022-03-15 13:52:40,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:52:40,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:52:40,932 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:52:40,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:52:40,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:52:40,932 INFO L87 Difference]: Start difference. First operand 22747 states and 62656 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:43,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:52:43,601 INFO L93 Difference]: Finished difference Result 37511 states and 102716 transitions. [2022-03-15 13:52:43,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-15 13:52:43,602 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:52:43,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:52:43,671 INFO L225 Difference]: With dead ends: 37511 [2022-03-15 13:52:43,671 INFO L226 Difference]: Without dead ends: 37511 [2022-03-15 13:52:43,672 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1096 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=681, Invalid=5171, Unknown=0, NotChecked=0, Total=5852 [2022-03-15 13:52:43,672 INFO L933 BasicCegarLoop]: 998 mSDtfsCounter, 1996 mSDsluCounter, 21319 mSDsCounter, 0 mSdLazyCounter, 4847 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1996 SdHoareTripleChecker+Valid, 22052 SdHoareTripleChecker+Invalid, 4870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:52:43,673 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1996 Valid, 22052 Invalid, 4870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4847 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:52:43,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37511 states. [2022-03-15 13:52:44,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37511 to 22683. [2022-03-15 13:52:44,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22683 states, 22682 states have (on average 2.7531963671633894) internal successors, (62448), 22682 states have internal predecessors, (62448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:44,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22683 states to 22683 states and 62448 transitions. [2022-03-15 13:52:44,169 INFO L78 Accepts]: Start accepts. Automaton has 22683 states and 62448 transitions. Word has length 199 [2022-03-15 13:52:44,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:52:44,169 INFO L470 AbstractCegarLoop]: Abstraction has 22683 states and 62448 transitions. [2022-03-15 13:52:44,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:44,169 INFO L276 IsEmpty]: Start isEmpty. Operand 22683 states and 62448 transitions. [2022-03-15 13:52:44,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:52:44,199 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:52:44,199 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:52:44,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2022-03-15 13:52:44,200 INFO L402 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:52:44,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:52:44,200 INFO L85 PathProgramCache]: Analyzing trace with hash -803922443, now seen corresponding path program 56 times [2022-03-15 13:52:44,200 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:52:44,200 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525415358] [2022-03-15 13:52:44,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:52:44,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:52:44,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:52:44,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:52:44,493 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:52:44,493 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525415358] [2022-03-15 13:52:44,493 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525415358] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:52:44,493 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:52:44,493 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:52:44,493 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011496488] [2022-03-15 13:52:44,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:52:44,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:52:44,494 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:52:44,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:52:44,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:52:44,494 INFO L87 Difference]: Start difference. First operand 22683 states and 62448 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:46,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:52:46,981 INFO L93 Difference]: Finished difference Result 34252 states and 93913 transitions. [2022-03-15 13:52:46,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-03-15 13:52:46,981 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:52:46,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:52:47,046 INFO L225 Difference]: With dead ends: 34252 [2022-03-15 13:52:47,046 INFO L226 Difference]: Without dead ends: 34252 [2022-03-15 13:52:47,047 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 845 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=590, Invalid=4380, Unknown=0, NotChecked=0, Total=4970 [2022-03-15 13:52:47,047 INFO L933 BasicCegarLoop]: 942 mSDtfsCounter, 1692 mSDsluCounter, 20020 mSDsCounter, 0 mSdLazyCounter, 4651 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1692 SdHoareTripleChecker+Valid, 20724 SdHoareTripleChecker+Invalid, 4670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 13:52:47,047 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1692 Valid, 20724 Invalid, 4670 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4651 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 13:52:47,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34252 states. [2022-03-15 13:52:47,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34252 to 22599. [2022-03-15 13:52:47,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22599 states, 22598 states have (on average 2.752677228073281) internal successors, (62205), 22598 states have internal predecessors, (62205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:47,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22599 states to 22599 states and 62205 transitions. [2022-03-15 13:52:47,503 INFO L78 Accepts]: Start accepts. Automaton has 22599 states and 62205 transitions. Word has length 199 [2022-03-15 13:52:47,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:52:47,503 INFO L470 AbstractCegarLoop]: Abstraction has 22599 states and 62205 transitions. [2022-03-15 13:52:47,503 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:47,503 INFO L276 IsEmpty]: Start isEmpty. Operand 22599 states and 62205 transitions. [2022-03-15 13:52:47,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:52:47,531 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:52:47,531 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:52:47,532 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2022-03-15 13:52:47,532 INFO L402 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:52:47,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:52:47,532 INFO L85 PathProgramCache]: Analyzing trace with hash -710520743, now seen corresponding path program 57 times [2022-03-15 13:52:47,532 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:52:47,532 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538591944] [2022-03-15 13:52:47,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:52:47,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:52:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:52:47,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:52:47,820 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:52:47,820 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538591944] [2022-03-15 13:52:47,820 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538591944] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:52:47,820 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:52:47,820 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:52:47,820 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550979026] [2022-03-15 13:52:47,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:52:47,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:52:47,820 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:52:47,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:52:47,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:52:47,821 INFO L87 Difference]: Start difference. First operand 22599 states and 62205 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:50,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:52:50,757 INFO L93 Difference]: Finished difference Result 42529 states and 115942 transitions. [2022-03-15 13:52:50,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-15 13:52:50,757 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:52:50,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:52:50,832 INFO L225 Difference]: With dead ends: 42529 [2022-03-15 13:52:50,833 INFO L226 Difference]: Without dead ends: 42529 [2022-03-15 13:52:50,834 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1202 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=772, Invalid=5548, Unknown=0, NotChecked=0, Total=6320 [2022-03-15 13:52:50,834 INFO L933 BasicCegarLoop]: 1054 mSDtfsCounter, 2184 mSDsluCounter, 22800 mSDsCounter, 0 mSdLazyCounter, 5288 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2184 SdHoareTripleChecker+Valid, 23418 SdHoareTripleChecker+Invalid, 5311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:52:50,834 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2184 Valid, 23418 Invalid, 5311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5288 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:52:50,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42529 states. [2022-03-15 13:52:51,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42529 to 22727. [2022-03-15 13:52:51,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22727 states, 22726 states have (on average 2.754774267358972) internal successors, (62605), 22726 states have internal predecessors, (62605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:51,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22727 states to 22727 states and 62605 transitions. [2022-03-15 13:52:51,345 INFO L78 Accepts]: Start accepts. Automaton has 22727 states and 62605 transitions. Word has length 199 [2022-03-15 13:52:51,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:52:51,345 INFO L470 AbstractCegarLoop]: Abstraction has 22727 states and 62605 transitions. [2022-03-15 13:52:51,345 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:51,345 INFO L276 IsEmpty]: Start isEmpty. Operand 22727 states and 62605 transitions. [2022-03-15 13:52:51,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:52:51,372 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:52:51,373 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:52:51,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2022-03-15 13:52:51,373 INFO L402 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:52:51,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:52:51,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1562648511, now seen corresponding path program 58 times [2022-03-15 13:52:51,373 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:52:51,373 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329843910] [2022-03-15 13:52:51,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:52:51,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:52:51,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:52:51,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:52:51,655 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:52:51,655 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329843910] [2022-03-15 13:52:51,655 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329843910] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:52:51,655 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:52:51,655 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:52:51,655 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299947311] [2022-03-15 13:52:51,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:52:51,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:52:51,655 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:52:51,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:52:51,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:52:51,656 INFO L87 Difference]: Start difference. First operand 22727 states and 62605 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:54,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:52:54,564 INFO L93 Difference]: Finished difference Result 41346 states and 113036 transitions. [2022-03-15 13:52:54,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-15 13:52:54,565 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:52:54,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:52:54,639 INFO L225 Difference]: With dead ends: 41346 [2022-03-15 13:52:54,639 INFO L226 Difference]: Without dead ends: 41346 [2022-03-15 13:52:54,640 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1277 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=764, Invalid=5716, Unknown=0, NotChecked=0, Total=6480 [2022-03-15 13:52:54,640 INFO L933 BasicCegarLoop]: 1072 mSDtfsCounter, 2158 mSDsluCounter, 22796 mSDsCounter, 0 mSdLazyCounter, 5047 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2158 SdHoareTripleChecker+Valid, 23562 SdHoareTripleChecker+Invalid, 5070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5047 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:52:54,640 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2158 Valid, 23562 Invalid, 5070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5047 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:52:54,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41346 states. [2022-03-15 13:52:55,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41346 to 22663. [2022-03-15 13:52:55,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22663 states, 22662 states have (on average 2.7533756949960284) internal successors, (62397), 22662 states have internal predecessors, (62397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:55,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22663 states to 22663 states and 62397 transitions. [2022-03-15 13:52:55,157 INFO L78 Accepts]: Start accepts. Automaton has 22663 states and 62397 transitions. Word has length 199 [2022-03-15 13:52:55,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:52:55,157 INFO L470 AbstractCegarLoop]: Abstraction has 22663 states and 62397 transitions. [2022-03-15 13:52:55,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:55,158 INFO L276 IsEmpty]: Start isEmpty. Operand 22663 states and 62397 transitions. [2022-03-15 13:52:55,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:52:55,186 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:52:55,186 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:52:55,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2022-03-15 13:52:55,187 INFO L402 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:52:55,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:52:55,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1912102395, now seen corresponding path program 59 times [2022-03-15 13:52:55,187 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:52:55,187 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063598039] [2022-03-15 13:52:55,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:52:55,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:52:55,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:52:55,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:52:55,475 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:52:55,475 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063598039] [2022-03-15 13:52:55,475 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063598039] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:52:55,475 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:52:55,475 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:52:55,475 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986922937] [2022-03-15 13:52:55,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:52:55,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:52:55,475 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:52:55,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:52:55,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:52:55,476 INFO L87 Difference]: Start difference. First operand 22663 states and 62397 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:58,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:52:58,101 INFO L93 Difference]: Finished difference Result 37516 states and 102789 transitions. [2022-03-15 13:52:58,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-15 13:52:58,101 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:52:58,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:52:58,165 INFO L225 Difference]: With dead ends: 37516 [2022-03-15 13:52:58,165 INFO L226 Difference]: Without dead ends: 37516 [2022-03-15 13:52:58,166 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 962 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=643, Invalid=4759, Unknown=0, NotChecked=0, Total=5402 [2022-03-15 13:52:58,166 INFO L933 BasicCegarLoop]: 1017 mSDtfsCounter, 1868 mSDsluCounter, 21491 mSDsCounter, 0 mSdLazyCounter, 4864 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1868 SdHoareTripleChecker+Valid, 22232 SdHoareTripleChecker+Invalid, 4883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4864 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:52:58,166 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1868 Valid, 22232 Invalid, 4883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4864 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:52:58,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37516 states. [2022-03-15 13:52:58,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37516 to 22615. [2022-03-15 13:52:58,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22615 states, 22614 states have (on average 2.7528522154417616) internal successors, (62253), 22614 states have internal predecessors, (62253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:58,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22615 states to 22615 states and 62253 transitions. [2022-03-15 13:52:58,730 INFO L78 Accepts]: Start accepts. Automaton has 22615 states and 62253 transitions. Word has length 199 [2022-03-15 13:52:58,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:52:58,730 INFO L470 AbstractCegarLoop]: Abstraction has 22615 states and 62253 transitions. [2022-03-15 13:52:58,730 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:52:58,730 INFO L276 IsEmpty]: Start isEmpty. Operand 22615 states and 62253 transitions. [2022-03-15 13:52:58,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:52:58,757 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:52:58,757 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:52:58,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2022-03-15 13:52:58,758 INFO L402 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:52:58,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:52:58,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1380492921, now seen corresponding path program 60 times [2022-03-15 13:52:58,758 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:52:58,759 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844584154] [2022-03-15 13:52:58,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:52:58,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:52:58,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:52:59,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:52:59,036 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:52:59,036 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844584154] [2022-03-15 13:52:59,036 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844584154] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:52:59,036 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:52:59,036 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:52:59,036 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704829785] [2022-03-15 13:52:59,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:52:59,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:52:59,037 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:52:59,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:52:59,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:52:59,037 INFO L87 Difference]: Start difference. First operand 22615 states and 62253 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:01,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:53:01,610 INFO L93 Difference]: Finished difference Result 38250 states and 104483 transitions. [2022-03-15 13:53:01,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-15 13:53:01,611 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:53:01,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:53:01,677 INFO L225 Difference]: With dead ends: 38250 [2022-03-15 13:53:01,677 INFO L226 Difference]: Without dead ends: 38250 [2022-03-15 13:53:01,678 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 961 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=642, Invalid=4760, Unknown=0, NotChecked=0, Total=5402 [2022-03-15 13:53:01,678 INFO L933 BasicCegarLoop]: 1046 mSDtfsCounter, 1839 mSDsluCounter, 22121 mSDsCounter, 0 mSdLazyCounter, 4800 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1839 SdHoareTripleChecker+Valid, 22869 SdHoareTripleChecker+Invalid, 4819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4800 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:53:01,678 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1839 Valid, 22869 Invalid, 4819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4800 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:53:01,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38250 states. [2022-03-15 13:53:02,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38250 to 22431. [2022-03-15 13:53:02,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22431 states, 22430 states have (on average 2.752697280427998) internal successors, (61743), 22430 states have internal predecessors, (61743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:02,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22431 states to 22431 states and 61743 transitions. [2022-03-15 13:53:02,127 INFO L78 Accepts]: Start accepts. Automaton has 22431 states and 61743 transitions. Word has length 199 [2022-03-15 13:53:02,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:53:02,127 INFO L470 AbstractCegarLoop]: Abstraction has 22431 states and 61743 transitions. [2022-03-15 13:53:02,128 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:02,128 INFO L276 IsEmpty]: Start isEmpty. Operand 22431 states and 61743 transitions. [2022-03-15 13:53:02,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:53:02,155 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:53:02,156 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:53:02,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2022-03-15 13:53:02,156 INFO L402 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:53:02,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:53:02,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1157505285, now seen corresponding path program 61 times [2022-03-15 13:53:02,156 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:53:02,156 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76784719] [2022-03-15 13:53:02,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:53:02,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:53:02,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:53:02,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:53:02,434 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:53:02,434 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76784719] [2022-03-15 13:53:02,434 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76784719] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:53:02,434 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:53:02,434 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:53:02,434 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448723982] [2022-03-15 13:53:02,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:53:02,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:53:02,435 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:53:02,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:53:02,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:53:02,435 INFO L87 Difference]: Start difference. First operand 22431 states and 61743 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:05,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:53:05,197 INFO L93 Difference]: Finished difference Result 37275 states and 101770 transitions. [2022-03-15 13:53:05,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-15 13:53:05,198 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:53:05,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:53:05,259 INFO L225 Difference]: With dead ends: 37275 [2022-03-15 13:53:05,259 INFO L226 Difference]: Without dead ends: 37275 [2022-03-15 13:53:05,260 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1109 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=734, Invalid=5272, Unknown=0, NotChecked=0, Total=6006 [2022-03-15 13:53:05,260 INFO L933 BasicCegarLoop]: 1008 mSDtfsCounter, 2140 mSDsluCounter, 21832 mSDsCounter, 0 mSdLazyCounter, 5021 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2140 SdHoareTripleChecker+Valid, 22407 SdHoareTripleChecker+Invalid, 5044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:53:05,260 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2140 Valid, 22407 Invalid, 5044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5021 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:53:05,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37275 states. [2022-03-15 13:53:05,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37275 to 22595. [2022-03-15 13:53:05,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22595 states, 22594 states have (on average 2.754625121713729) internal successors, (62238), 22594 states have internal predecessors, (62238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:05,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22595 states to 22595 states and 62238 transitions. [2022-03-15 13:53:05,745 INFO L78 Accepts]: Start accepts. Automaton has 22595 states and 62238 transitions. Word has length 199 [2022-03-15 13:53:05,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:53:05,745 INFO L470 AbstractCegarLoop]: Abstraction has 22595 states and 62238 transitions. [2022-03-15 13:53:05,745 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:05,745 INFO L276 IsEmpty]: Start isEmpty. Operand 22595 states and 62238 transitions. [2022-03-15 13:53:05,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:53:05,774 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:53:05,774 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:53:05,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2022-03-15 13:53:05,774 INFO L402 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:53:05,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:53:05,774 INFO L85 PathProgramCache]: Analyzing trace with hash -864292757, now seen corresponding path program 62 times [2022-03-15 13:53:05,775 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:53:05,775 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500220505] [2022-03-15 13:53:05,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:53:05,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:53:05,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:53:06,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:53:06,053 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:53:06,053 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500220505] [2022-03-15 13:53:06,054 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500220505] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:53:06,054 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:53:06,054 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:53:06,054 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366593902] [2022-03-15 13:53:06,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:53:06,054 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:53:06,054 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:53:06,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:53:06,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:53:06,055 INFO L87 Difference]: Start difference. First operand 22595 states and 62238 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:08,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:53:08,668 INFO L93 Difference]: Finished difference Result 36195 states and 99102 transitions. [2022-03-15 13:53:08,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-15 13:53:08,668 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:53:08,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:53:08,730 INFO L225 Difference]: With dead ends: 36195 [2022-03-15 13:53:08,730 INFO L226 Difference]: Without dead ends: 36195 [2022-03-15 13:53:08,731 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1046 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=678, Invalid=5022, Unknown=0, NotChecked=0, Total=5700 [2022-03-15 13:53:08,732 INFO L933 BasicCegarLoop]: 964 mSDtfsCounter, 2065 mSDsluCounter, 20656 mSDsCounter, 0 mSdLazyCounter, 4773 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2065 SdHoareTripleChecker+Valid, 21370 SdHoareTripleChecker+Invalid, 4796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:53:08,732 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2065 Valid, 21370 Invalid, 4796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4773 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:53:08,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36195 states. [2022-03-15 13:53:09,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36195 to 22531. [2022-03-15 13:53:09,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22531 states, 22530 states have (on average 2.7532179316466934) internal successors, (62030), 22530 states have internal predecessors, (62030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:09,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22531 states to 22531 states and 62030 transitions. [2022-03-15 13:53:09,197 INFO L78 Accepts]: Start accepts. Automaton has 22531 states and 62030 transitions. Word has length 199 [2022-03-15 13:53:09,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:53:09,197 INFO L470 AbstractCegarLoop]: Abstraction has 22531 states and 62030 transitions. [2022-03-15 13:53:09,198 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:09,198 INFO L276 IsEmpty]: Start isEmpty. Operand 22531 states and 62030 transitions. [2022-03-15 13:53:09,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:53:09,225 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:53:09,226 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:53:09,226 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2022-03-15 13:53:09,226 INFO L402 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:53:09,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:53:09,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1241489981, now seen corresponding path program 63 times [2022-03-15 13:53:09,226 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:53:09,226 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635437913] [2022-03-15 13:53:09,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:53:09,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:53:09,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:53:09,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:53:09,506 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:53:09,506 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635437913] [2022-03-15 13:53:09,506 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635437913] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:53:09,506 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:53:09,506 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:53:09,506 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142633415] [2022-03-15 13:53:09,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:53:09,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:53:09,506 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:53:09,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:53:09,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:53:09,507 INFO L87 Difference]: Start difference. First operand 22531 states and 62030 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:12,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:53:12,079 INFO L93 Difference]: Finished difference Result 34240 states and 93577 transitions. [2022-03-15 13:53:12,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-03-15 13:53:12,079 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:53:12,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:53:12,142 INFO L225 Difference]: With dead ends: 34240 [2022-03-15 13:53:12,142 INFO L226 Difference]: Without dead ends: 34240 [2022-03-15 13:53:12,143 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 862 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=632, Invalid=4480, Unknown=0, NotChecked=0, Total=5112 [2022-03-15 13:53:12,143 INFO L933 BasicCegarLoop]: 985 mSDtfsCounter, 1725 mSDsluCounter, 21124 mSDsCounter, 0 mSdLazyCounter, 4784 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1725 SdHoareTripleChecker+Valid, 21700 SdHoareTripleChecker+Invalid, 4803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:53:12,143 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1725 Valid, 21700 Invalid, 4803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4784 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:53:12,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34240 states. [2022-03-15 13:53:12,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34240 to 22483. [2022-03-15 13:53:12,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22483 states, 22482 states have (on average 2.7526910417222665) internal successors, (61886), 22482 states have internal predecessors, (61886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:12,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22483 states to 22483 states and 61886 transitions. [2022-03-15 13:53:12,590 INFO L78 Accepts]: Start accepts. Automaton has 22483 states and 61886 transitions. Word has length 199 [2022-03-15 13:53:12,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:53:12,590 INFO L470 AbstractCegarLoop]: Abstraction has 22483 states and 61886 transitions. [2022-03-15 13:53:12,590 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:12,590 INFO L276 IsEmpty]: Start isEmpty. Operand 22483 states and 61886 transitions. [2022-03-15 13:53:12,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:53:12,620 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:53:12,621 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:53:12,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2022-03-15 13:53:12,621 INFO L402 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:53:12,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:53:12,621 INFO L85 PathProgramCache]: Analyzing trace with hash -878783293, now seen corresponding path program 64 times [2022-03-15 13:53:12,621 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:53:12,621 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723931399] [2022-03-15 13:53:12,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:53:12,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:53:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:53:12,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:53:12,927 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:53:12,927 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723931399] [2022-03-15 13:53:12,927 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723931399] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:53:12,927 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:53:12,927 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:53:12,927 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298507076] [2022-03-15 13:53:12,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:53:12,927 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:53:12,927 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:53:12,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:53:12,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:53:12,928 INFO L87 Difference]: Start difference. First operand 22483 states and 61886 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:15,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:53:15,774 INFO L93 Difference]: Finished difference Result 37463 states and 102253 transitions. [2022-03-15 13:53:15,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-15 13:53:15,774 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:53:15,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:53:15,836 INFO L225 Difference]: With dead ends: 37463 [2022-03-15 13:53:15,836 INFO L226 Difference]: Without dead ends: 37463 [2022-03-15 13:53:15,837 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1057 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=723, Invalid=5129, Unknown=0, NotChecked=0, Total=5852 [2022-03-15 13:53:15,837 INFO L933 BasicCegarLoop]: 1027 mSDtfsCounter, 2005 mSDsluCounter, 22189 mSDsCounter, 0 mSdLazyCounter, 5090 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2005 SdHoareTripleChecker+Valid, 22747 SdHoareTripleChecker+Invalid, 5113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5090 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:53:15,837 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2005 Valid, 22747 Invalid, 5113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5090 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:53:15,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37463 states. [2022-03-15 13:53:16,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37463 to 22595. [2022-03-15 13:53:16,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22595 states, 22594 states have (on average 2.754625121713729) internal successors, (62238), 22594 states have internal predecessors, (62238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:16,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22595 states to 22595 states and 62238 transitions. [2022-03-15 13:53:16,467 INFO L78 Accepts]: Start accepts. Automaton has 22595 states and 62238 transitions. Word has length 199 [2022-03-15 13:53:16,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:53:16,467 INFO L470 AbstractCegarLoop]: Abstraction has 22595 states and 62238 transitions. [2022-03-15 13:53:16,467 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:16,467 INFO L276 IsEmpty]: Start isEmpty. Operand 22595 states and 62238 transitions. [2022-03-15 13:53:16,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:53:16,495 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:53:16,495 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:53:16,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2022-03-15 13:53:16,495 INFO L402 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:53:16,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:53:16,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1394385961, now seen corresponding path program 65 times [2022-03-15 13:53:16,496 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:53:16,496 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41613357] [2022-03-15 13:53:16,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:53:16,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:53:16,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:53:16,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:53:16,779 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:53:16,779 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41613357] [2022-03-15 13:53:16,779 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41613357] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:53:16,779 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:53:16,779 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:53:16,779 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318746940] [2022-03-15 13:53:16,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:53:16,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:53:16,779 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:53:16,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:53:16,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:53:16,780 INFO L87 Difference]: Start difference. First operand 22595 states and 62238 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:19,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:53:19,318 INFO L93 Difference]: Finished difference Result 36099 states and 98849 transitions. [2022-03-15 13:53:19,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-03-15 13:53:19,318 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:53:19,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:53:19,383 INFO L225 Difference]: With dead ends: 36099 [2022-03-15 13:53:19,383 INFO L226 Difference]: Without dead ends: 36099 [2022-03-15 13:53:19,384 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 919 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=632, Invalid=4624, Unknown=0, NotChecked=0, Total=5256 [2022-03-15 13:53:19,384 INFO L933 BasicCegarLoop]: 990 mSDtfsCounter, 2002 mSDsluCounter, 21145 mSDsCounter, 0 mSdLazyCounter, 4784 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2002 SdHoareTripleChecker+Valid, 21832 SdHoareTripleChecker+Invalid, 4807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:53:19,384 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2002 Valid, 21832 Invalid, 4807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4784 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:53:19,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36099 states. [2022-03-15 13:53:19,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36099 to 22531. [2022-03-15 13:53:19,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22531 states, 22530 states have (on average 2.7532179316466934) internal successors, (62030), 22530 states have internal predecessors, (62030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:19,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22531 states to 22531 states and 62030 transitions. [2022-03-15 13:53:19,826 INFO L78 Accepts]: Start accepts. Automaton has 22531 states and 62030 transitions. Word has length 199 [2022-03-15 13:53:19,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:53:19,826 INFO L470 AbstractCegarLoop]: Abstraction has 22531 states and 62030 transitions. [2022-03-15 13:53:19,826 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:19,826 INFO L276 IsEmpty]: Start isEmpty. Operand 22531 states and 62030 transitions. [2022-03-15 13:53:19,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:53:19,854 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:53:19,854 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:53:19,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2022-03-15 13:53:19,854 INFO L402 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:53:19,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:53:19,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1743839845, now seen corresponding path program 66 times [2022-03-15 13:53:19,855 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:53:19,855 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730660260] [2022-03-15 13:53:19,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:53:19,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:53:19,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:53:20,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:53:20,136 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:53:20,136 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730660260] [2022-03-15 13:53:20,136 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730660260] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:53:20,136 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:53:20,136 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:53:20,136 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435624779] [2022-03-15 13:53:20,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:53:20,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:53:20,136 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:53:20,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:53:20,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:53:20,137 INFO L87 Difference]: Start difference. First operand 22531 states and 62030 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:22,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:53:22,545 INFO L93 Difference]: Finished difference Result 32883 states and 90158 transitions. [2022-03-15 13:53:22,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-03-15 13:53:22,545 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:53:22,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:53:22,603 INFO L225 Difference]: With dead ends: 32883 [2022-03-15 13:53:22,603 INFO L226 Difference]: Without dead ends: 32883 [2022-03-15 13:53:22,604 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 764 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=575, Invalid=4117, Unknown=0, NotChecked=0, Total=4692 [2022-03-15 13:53:22,604 INFO L933 BasicCegarLoop]: 937 mSDtfsCounter, 1701 mSDsluCounter, 19897 mSDsCounter, 0 mSdLazyCounter, 4593 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1701 SdHoareTripleChecker+Valid, 20559 SdHoareTripleChecker+Invalid, 4612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 13:53:22,604 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1701 Valid, 20559 Invalid, 4612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4593 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 13:53:22,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32883 states. [2022-03-15 13:53:22,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32883 to 22447. [2022-03-15 13:53:23,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22447 states, 22446 states have (on average 2.752695357747483) internal successors, (61787), 22446 states have internal predecessors, (61787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:23,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22447 states to 22447 states and 61787 transitions. [2022-03-15 13:53:23,047 INFO L78 Accepts]: Start accepts. Automaton has 22447 states and 61787 transitions. Word has length 199 [2022-03-15 13:53:23,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:53:23,048 INFO L470 AbstractCegarLoop]: Abstraction has 22447 states and 61787 transitions. [2022-03-15 13:53:23,048 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:23,048 INFO L276 IsEmpty]: Start isEmpty. Operand 22447 states and 61787 transitions. [2022-03-15 13:53:23,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:53:23,075 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:53:23,075 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:53:23,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2022-03-15 13:53:23,075 INFO L402 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:53:23,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:53:23,076 INFO L85 PathProgramCache]: Analyzing trace with hash 196946853, now seen corresponding path program 67 times [2022-03-15 13:53:23,076 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:53:23,076 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815328410] [2022-03-15 13:53:23,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:53:23,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:53:23,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:53:23,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:53:23,354 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:53:23,354 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815328410] [2022-03-15 13:53:23,354 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815328410] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:53:23,354 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:53:23,354 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:53:23,354 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707304794] [2022-03-15 13:53:23,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:53:23,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:53:23,355 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:53:23,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:53:23,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:53:23,355 INFO L87 Difference]: Start difference. First operand 22447 states and 61787 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:26,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:53:26,269 INFO L93 Difference]: Finished difference Result 37135 states and 101381 transitions. [2022-03-15 13:53:26,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-15 13:53:26,270 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:53:26,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:53:26,335 INFO L225 Difference]: With dead ends: 37135 [2022-03-15 13:53:26,335 INFO L226 Difference]: Without dead ends: 37135 [2022-03-15 13:53:26,336 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1233 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=812, Invalid=5668, Unknown=0, NotChecked=0, Total=6480 [2022-03-15 13:53:26,336 INFO L933 BasicCegarLoop]: 1040 mSDtfsCounter, 2274 mSDsluCounter, 22464 mSDsCounter, 0 mSdLazyCounter, 5035 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2274 SdHoareTripleChecker+Valid, 23033 SdHoareTripleChecker+Invalid, 5058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5035 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:53:26,337 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2274 Valid, 23033 Invalid, 5058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5035 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:53:26,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37135 states. [2022-03-15 13:53:26,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37135 to 22575. [2022-03-15 13:53:26,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22575 states, 22574 states have (on average 2.7548064144591122) internal successors, (62187), 22574 states have internal predecessors, (62187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:26,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22575 states to 22575 states and 62187 transitions. [2022-03-15 13:53:26,856 INFO L78 Accepts]: Start accepts. Automaton has 22575 states and 62187 transitions. Word has length 199 [2022-03-15 13:53:26,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:53:26,856 INFO L470 AbstractCegarLoop]: Abstraction has 22575 states and 62187 transitions. [2022-03-15 13:53:26,857 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:26,857 INFO L276 IsEmpty]: Start isEmpty. Operand 22575 states and 62187 transitions. [2022-03-15 13:53:26,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:53:26,886 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:53:26,886 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:53:26,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2022-03-15 13:53:26,886 INFO L402 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:53:26,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:53:26,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1824851189, now seen corresponding path program 68 times [2022-03-15 13:53:26,887 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:53:26,887 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060539216] [2022-03-15 13:53:26,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:53:26,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:53:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:53:27,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:53:27,171 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:53:27,171 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060539216] [2022-03-15 13:53:27,171 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060539216] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:53:27,172 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:53:27,172 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:53:27,172 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708011273] [2022-03-15 13:53:27,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:53:27,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:53:27,172 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:53:27,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:53:27,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:53:27,173 INFO L87 Difference]: Start difference. First operand 22575 states and 62187 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:29,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:53:29,887 INFO L93 Difference]: Finished difference Result 36011 states and 98596 transitions. [2022-03-15 13:53:29,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-15 13:53:29,888 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:53:29,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:53:29,953 INFO L225 Difference]: With dead ends: 36011 [2022-03-15 13:53:29,953 INFO L226 Difference]: Without dead ends: 36011 [2022-03-15 13:53:29,954 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1083 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=713, Invalid=5139, Unknown=0, NotChecked=0, Total=5852 [2022-03-15 13:53:29,954 INFO L933 BasicCegarLoop]: 982 mSDtfsCounter, 2177 mSDsluCounter, 21001 mSDsCounter, 0 mSdLazyCounter, 4770 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2177 SdHoareTripleChecker+Valid, 21711 SdHoareTripleChecker+Invalid, 4793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:53:29,954 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2177 Valid, 21711 Invalid, 4793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4770 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:53:30,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36011 states. [2022-03-15 13:53:30,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36011 to 22515. [2022-03-15 13:53:30,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22515 states, 22514 states have (on average 2.753575552989251) internal successors, (61994), 22514 states have internal predecessors, (61994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:30,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22515 states to 22515 states and 61994 transitions. [2022-03-15 13:53:30,431 INFO L78 Accepts]: Start accepts. Automaton has 22515 states and 61994 transitions. Word has length 199 [2022-03-15 13:53:30,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:53:30,431 INFO L470 AbstractCegarLoop]: Abstraction has 22515 states and 61994 transitions. [2022-03-15 13:53:30,432 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:30,432 INFO L276 IsEmpty]: Start isEmpty. Operand 22515 states and 61994 transitions. [2022-03-15 13:53:30,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:53:30,461 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:53:30,461 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:53:30,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2022-03-15 13:53:30,461 INFO L402 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:53:30,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:53:30,461 INFO L85 PathProgramCache]: Analyzing trace with hash 2092918883, now seen corresponding path program 69 times [2022-03-15 13:53:30,461 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:53:30,461 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133216366] [2022-03-15 13:53:30,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:53:30,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:53:30,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:53:30,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:53:30,742 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:53:30,742 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133216366] [2022-03-15 13:53:30,742 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133216366] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:53:30,743 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:53:30,743 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:53:30,743 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006066775] [2022-03-15 13:53:30,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:53:30,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:53:30,743 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:53:30,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:53:30,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:53:30,743 INFO L87 Difference]: Start difference. First operand 22515 states and 61994 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:33,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:53:33,427 INFO L93 Difference]: Finished difference Result 34128 states and 93265 transitions. [2022-03-15 13:53:33,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-15 13:53:33,428 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:53:33,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:53:33,491 INFO L225 Difference]: With dead ends: 34128 [2022-03-15 13:53:33,491 INFO L226 Difference]: Without dead ends: 34128 [2022-03-15 13:53:33,492 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 972 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=696, Invalid=4854, Unknown=0, NotChecked=0, Total=5550 [2022-03-15 13:53:33,493 INFO L933 BasicCegarLoop]: 1017 mSDtfsCounter, 1818 mSDsluCounter, 21733 mSDsCounter, 0 mSdLazyCounter, 4807 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1818 SdHoareTripleChecker+Valid, 22304 SdHoareTripleChecker+Invalid, 4826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:53:33,493 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1818 Valid, 22304 Invalid, 4826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4807 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:53:33,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34128 states. [2022-03-15 13:53:33,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34128 to 22467. [2022-03-15 13:53:33,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22467 states, 22466 states have (on average 2.75304905190065) internal successors, (61850), 22466 states have internal predecessors, (61850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:33,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22467 states to 22467 states and 61850 transitions. [2022-03-15 13:53:33,982 INFO L78 Accepts]: Start accepts. Automaton has 22467 states and 61850 transitions. Word has length 199 [2022-03-15 13:53:33,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:53:33,982 INFO L470 AbstractCegarLoop]: Abstraction has 22467 states and 61850 transitions. [2022-03-15 13:53:33,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:33,983 INFO L276 IsEmpty]: Start isEmpty. Operand 22467 states and 61850 transitions. [2022-03-15 13:53:34,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:53:34,014 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:53:34,014 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:53:34,014 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2022-03-15 13:53:34,014 INFO L402 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:53:34,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:53:34,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1746717073, now seen corresponding path program 70 times [2022-03-15 13:53:34,015 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:53:34,015 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379029679] [2022-03-15 13:53:34,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:53:34,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:53:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:53:34,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:53:34,304 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:53:34,304 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379029679] [2022-03-15 13:53:34,304 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379029679] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:53:34,304 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:53:34,304 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:53:34,305 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23050536] [2022-03-15 13:53:34,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:53:34,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:53:34,305 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:53:34,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:53:34,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:53:34,305 INFO L87 Difference]: Start difference. First operand 22467 states and 61850 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:37,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:53:37,001 INFO L93 Difference]: Finished difference Result 35242 states and 96056 transitions. [2022-03-15 13:53:37,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-15 13:53:37,001 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:53:37,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:53:37,064 INFO L225 Difference]: With dead ends: 35242 [2022-03-15 13:53:37,064 INFO L226 Difference]: Without dead ends: 35242 [2022-03-15 13:53:37,065 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 966 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=701, Invalid=4849, Unknown=0, NotChecked=0, Total=5550 [2022-03-15 13:53:37,065 INFO L933 BasicCegarLoop]: 1040 mSDtfsCounter, 2020 mSDsluCounter, 22253 mSDsCounter, 0 mSdLazyCounter, 4784 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2020 SdHoareTripleChecker+Valid, 22805 SdHoareTripleChecker+Invalid, 4803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:53:37,065 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2020 Valid, 22805 Invalid, 4803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4784 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:53:37,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35242 states. [2022-03-15 13:53:37,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35242 to 22511. [2022-03-15 13:53:37,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22511 states, 22510 states have (on average 2.7528653931585962) internal successors, (61967), 22510 states have internal predecessors, (61967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:37,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22511 states to 22511 states and 61967 transitions. [2022-03-15 13:53:37,504 INFO L78 Accepts]: Start accepts. Automaton has 22511 states and 61967 transitions. Word has length 199 [2022-03-15 13:53:37,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:53:37,504 INFO L470 AbstractCegarLoop]: Abstraction has 22511 states and 61967 transitions. [2022-03-15 13:53:37,504 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:37,504 INFO L276 IsEmpty]: Start isEmpty. Operand 22511 states and 61967 transitions. [2022-03-15 13:53:37,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:53:37,532 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:53:37,532 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:53:37,532 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2022-03-15 13:53:37,532 INFO L402 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:53:37,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:53:37,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1664338851, now seen corresponding path program 71 times [2022-03-15 13:53:37,532 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:53:37,533 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640758977] [2022-03-15 13:53:37,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:53:37,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:53:37,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:53:37,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:53:37,815 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:53:37,815 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640758977] [2022-03-15 13:53:37,815 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640758977] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:53:37,815 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:53:37,815 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:53:37,815 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125371845] [2022-03-15 13:53:37,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:53:37,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:53:37,816 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:53:37,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:53:37,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:53:37,816 INFO L87 Difference]: Start difference. First operand 22511 states and 61967 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:40,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:53:40,554 INFO L93 Difference]: Finished difference Result 37827 states and 103284 transitions. [2022-03-15 13:53:40,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-15 13:53:40,555 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:53:40,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:53:40,624 INFO L225 Difference]: With dead ends: 37827 [2022-03-15 13:53:40,624 INFO L226 Difference]: Without dead ends: 37827 [2022-03-15 13:53:40,625 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 986 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=680, Invalid=4870, Unknown=0, NotChecked=0, Total=5550 [2022-03-15 13:53:40,625 INFO L933 BasicCegarLoop]: 995 mSDtfsCounter, 2110 mSDsluCounter, 21525 mSDsCounter, 0 mSdLazyCounter, 4962 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2110 SdHoareTripleChecker+Valid, 22124 SdHoareTripleChecker+Invalid, 4985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:53:40,625 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2110 Valid, 22124 Invalid, 4985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4962 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:53:40,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37827 states. [2022-03-15 13:53:41,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37827 to 22671. [2022-03-15 13:53:41,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22671 states, 22670 states have (on average 2.754786060873401) internal successors, (62451), 22670 states have internal predecessors, (62451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:41,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22671 states to 22671 states and 62451 transitions. [2022-03-15 13:53:41,131 INFO L78 Accepts]: Start accepts. Automaton has 22671 states and 62451 transitions. Word has length 199 [2022-03-15 13:53:41,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:53:41,131 INFO L470 AbstractCegarLoop]: Abstraction has 22671 states and 62451 transitions. [2022-03-15 13:53:41,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:41,131 INFO L276 IsEmpty]: Start isEmpty. Operand 22671 states and 62451 transitions. [2022-03-15 13:53:41,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:53:41,160 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:53:41,160 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:53:41,160 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2022-03-15 13:53:41,160 INFO L402 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:53:41,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:53:41,160 INFO L85 PathProgramCache]: Analyzing trace with hash -357459191, now seen corresponding path program 72 times [2022-03-15 13:53:41,160 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:53:41,161 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173736876] [2022-03-15 13:53:41,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:53:41,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:53:41,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:53:41,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:53:41,447 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:53:41,447 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173736876] [2022-03-15 13:53:41,447 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173736876] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:53:41,447 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:53:41,447 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:53:41,447 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711877784] [2022-03-15 13:53:41,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:53:41,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:53:41,447 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:53:41,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:53:41,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:53:41,448 INFO L87 Difference]: Start difference. First operand 22671 states and 62451 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:44,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:53:44,115 INFO L93 Difference]: Finished difference Result 36923 states and 101084 transitions. [2022-03-15 13:53:44,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-15 13:53:44,116 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:53:44,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:53:44,183 INFO L225 Difference]: With dead ends: 36923 [2022-03-15 13:53:44,183 INFO L226 Difference]: Without dead ends: 36923 [2022-03-15 13:53:44,184 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 998 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=667, Invalid=4883, Unknown=0, NotChecked=0, Total=5550 [2022-03-15 13:53:44,184 INFO L933 BasicCegarLoop]: 980 mSDtfsCounter, 2015 mSDsluCounter, 20869 mSDsCounter, 0 mSdLazyCounter, 4805 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2015 SdHoareTripleChecker+Valid, 21618 SdHoareTripleChecker+Invalid, 4828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:53:44,184 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2015 Valid, 21618 Invalid, 4828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4805 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:53:44,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36923 states. [2022-03-15 13:53:44,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36923 to 22607. [2022-03-15 13:53:44,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22607 states, 22606 states have (on average 2.7533840573299124) internal successors, (62243), 22606 states have internal predecessors, (62243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:44,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22607 states to 22607 states and 62243 transitions. [2022-03-15 13:53:44,660 INFO L78 Accepts]: Start accepts. Automaton has 22607 states and 62243 transitions. Word has length 199 [2022-03-15 13:53:44,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:53:44,660 INFO L470 AbstractCegarLoop]: Abstraction has 22607 states and 62243 transitions. [2022-03-15 13:53:44,660 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:44,660 INFO L276 IsEmpty]: Start isEmpty. Operand 22607 states and 62243 transitions. [2022-03-15 13:53:44,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:53:44,690 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:53:44,691 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:53:44,691 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2022-03-15 13:53:44,691 INFO L402 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:53:44,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:53:44,691 INFO L85 PathProgramCache]: Analyzing trace with hash -734656415, now seen corresponding path program 73 times [2022-03-15 13:53:44,691 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:53:44,691 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262742256] [2022-03-15 13:53:44,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:53:44,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:53:44,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:53:44,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:53:44,977 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:53:44,977 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262742256] [2022-03-15 13:53:44,977 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262742256] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:53:44,977 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:53:44,977 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:53:44,977 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502776140] [2022-03-15 13:53:44,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:53:44,977 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:53:44,978 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:53:44,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:53:44,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:53:44,978 INFO L87 Difference]: Start difference. First operand 22607 states and 62243 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:47,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:53:47,610 INFO L93 Difference]: Finished difference Result 34792 states and 95091 transitions. [2022-03-15 13:53:47,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-03-15 13:53:47,610 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:53:47,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:53:47,669 INFO L225 Difference]: With dead ends: 34792 [2022-03-15 13:53:47,669 INFO L226 Difference]: Without dead ends: 34792 [2022-03-15 13:53:47,670 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 825 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=619, Invalid=4351, Unknown=0, NotChecked=0, Total=4970 [2022-03-15 13:53:47,670 INFO L933 BasicCegarLoop]: 975 mSDtfsCounter, 1721 mSDsluCounter, 20865 mSDsCounter, 0 mSdLazyCounter, 4722 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1721 SdHoareTripleChecker+Valid, 21468 SdHoareTripleChecker+Invalid, 4741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:53:47,670 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1721 Valid, 21468 Invalid, 4741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4722 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:53:47,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34792 states. [2022-03-15 13:53:48,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34792 to 22559. [2022-03-15 13:53:48,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22559 states, 22558 states have (on average 2.7528592960368825) internal successors, (62099), 22558 states have internal predecessors, (62099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:48,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22559 states to 22559 states and 62099 transitions. [2022-03-15 13:53:48,101 INFO L78 Accepts]: Start accepts. Automaton has 22559 states and 62099 transitions. Word has length 199 [2022-03-15 13:53:48,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:53:48,101 INFO L470 AbstractCegarLoop]: Abstraction has 22559 states and 62099 transitions. [2022-03-15 13:53:48,101 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:48,101 INFO L276 IsEmpty]: Start isEmpty. Operand 22559 states and 62099 transitions. [2022-03-15 13:53:48,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:53:48,130 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:53:48,130 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:53:48,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2022-03-15 13:53:48,131 INFO L402 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:53:48,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:53:48,131 INFO L85 PathProgramCache]: Analyzing trace with hash -371949727, now seen corresponding path program 74 times [2022-03-15 13:53:48,131 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:53:48,131 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588169559] [2022-03-15 13:53:48,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:53:48,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:53:48,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:53:48,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:53:48,412 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:53:48,413 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588169559] [2022-03-15 13:53:48,413 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588169559] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:53:48,413 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:53:48,413 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:53:48,413 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253564433] [2022-03-15 13:53:48,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:53:48,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:53:48,413 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:53:48,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:53:48,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:53:48,414 INFO L87 Difference]: Start difference. First operand 22559 states and 62099 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:51,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:53:51,216 INFO L93 Difference]: Finished difference Result 38031 states and 103811 transitions. [2022-03-15 13:53:51,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-15 13:53:51,216 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:53:51,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:53:51,283 INFO L225 Difference]: With dead ends: 38031 [2022-03-15 13:53:51,283 INFO L226 Difference]: Without dead ends: 38031 [2022-03-15 13:53:51,284 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1109 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=734, Invalid=5272, Unknown=0, NotChecked=0, Total=6006 [2022-03-15 13:53:51,284 INFO L933 BasicCegarLoop]: 1017 mSDtfsCounter, 2033 mSDsluCounter, 21995 mSDsCounter, 0 mSdLazyCounter, 5050 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2033 SdHoareTripleChecker+Valid, 22578 SdHoareTripleChecker+Invalid, 5073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5050 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:53:51,284 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2033 Valid, 22578 Invalid, 5073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5050 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:53:51,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38031 states. [2022-03-15 13:53:51,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38031 to 22671. [2022-03-15 13:53:51,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22671 states, 22670 states have (on average 2.754786060873401) internal successors, (62451), 22670 states have internal predecessors, (62451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:51,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22671 states to 22671 states and 62451 transitions. [2022-03-15 13:53:51,775 INFO L78 Accepts]: Start accepts. Automaton has 22671 states and 62451 transitions. Word has length 199 [2022-03-15 13:53:51,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:53:51,775 INFO L470 AbstractCegarLoop]: Abstraction has 22671 states and 62451 transitions. [2022-03-15 13:53:51,775 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:51,775 INFO L276 IsEmpty]: Start isEmpty. Operand 22671 states and 62451 transitions. [2022-03-15 13:53:51,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:53:51,803 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:53:51,803 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:53:51,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2022-03-15 13:53:51,803 INFO L402 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:53:51,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:53:51,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1901219527, now seen corresponding path program 75 times [2022-03-15 13:53:51,803 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:53:51,803 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258563053] [2022-03-15 13:53:51,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:53:51,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:53:51,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:53:52,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:53:52,086 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:53:52,086 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258563053] [2022-03-15 13:53:52,086 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258563053] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:53:52,086 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:53:52,086 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:53:52,086 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819247369] [2022-03-15 13:53:52,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:53:52,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:53:52,087 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:53:52,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:53:52,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:53:52,087 INFO L87 Difference]: Start difference. First operand 22671 states and 62451 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:54,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:53:54,749 INFO L93 Difference]: Finished difference Result 36843 states and 100875 transitions. [2022-03-15 13:53:54,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-15 13:53:54,749 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:53:54,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:53:54,811 INFO L225 Difference]: With dead ends: 36843 [2022-03-15 13:53:54,811 INFO L226 Difference]: Without dead ends: 36843 [2022-03-15 13:53:54,812 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1046 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=678, Invalid=5022, Unknown=0, NotChecked=0, Total=5700 [2022-03-15 13:53:54,812 INFO L933 BasicCegarLoop]: 1009 mSDtfsCounter, 2024 mSDsluCounter, 21469 mSDsCounter, 0 mSdLazyCounter, 4833 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2024 SdHoareTripleChecker+Valid, 22193 SdHoareTripleChecker+Invalid, 4856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4833 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:53:54,812 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2024 Valid, 22193 Invalid, 4856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4833 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:53:54,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36843 states. [2022-03-15 13:53:55,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36843 to 22607. [2022-03-15 13:53:55,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22607 states, 22606 states have (on average 2.7533840573299124) internal successors, (62243), 22606 states have internal predecessors, (62243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:55,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22607 states to 22607 states and 62243 transitions. [2022-03-15 13:53:55,286 INFO L78 Accepts]: Start accepts. Automaton has 22607 states and 62243 transitions. Word has length 199 [2022-03-15 13:53:55,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:53:55,286 INFO L470 AbstractCegarLoop]: Abstraction has 22607 states and 62243 transitions. [2022-03-15 13:53:55,287 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:55,287 INFO L276 IsEmpty]: Start isEmpty. Operand 22607 states and 62243 transitions. [2022-03-15 13:53:55,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:53:55,316 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:53:55,316 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:53:55,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2022-03-15 13:53:55,316 INFO L402 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:53:55,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:53:55,317 INFO L85 PathProgramCache]: Analyzing trace with hash -2044293885, now seen corresponding path program 76 times [2022-03-15 13:53:55,317 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:53:55,317 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780821418] [2022-03-15 13:53:55,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:53:55,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:53:55,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:53:55,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:53:55,598 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:53:55,598 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780821418] [2022-03-15 13:53:55,598 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780821418] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:53:55,598 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:53:55,598 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:53:55,598 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894705279] [2022-03-15 13:53:55,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:53:55,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:53:55,599 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:53:55,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:53:55,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:53:55,599 INFO L87 Difference]: Start difference. First operand 22607 states and 62243 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:58,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:53:58,069 INFO L93 Difference]: Finished difference Result 33584 states and 92072 transitions. [2022-03-15 13:53:58,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-15 13:53:58,070 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:53:58,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:53:58,129 INFO L225 Difference]: With dead ends: 33584 [2022-03-15 13:53:58,130 INFO L226 Difference]: Without dead ends: 33584 [2022-03-15 13:53:58,130 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 803 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=584, Invalid=4246, Unknown=0, NotChecked=0, Total=4830 [2022-03-15 13:53:58,131 INFO L933 BasicCegarLoop]: 953 mSDtfsCounter, 1699 mSDsluCounter, 20175 mSDsCounter, 0 mSdLazyCounter, 4646 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1699 SdHoareTripleChecker+Valid, 20871 SdHoareTripleChecker+Invalid, 4665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 13:53:58,131 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1699 Valid, 20871 Invalid, 4665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4646 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 13:53:58,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33584 states. [2022-03-15 13:53:58,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33584 to 22523. [2022-03-15 13:53:58,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22523 states, 22522 states have (on average 2.7528638664417016) internal successors, (62000), 22522 states have internal predecessors, (62000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:58,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22523 states to 22523 states and 62000 transitions. [2022-03-15 13:53:58,603 INFO L78 Accepts]: Start accepts. Automaton has 22523 states and 62000 transitions. Word has length 199 [2022-03-15 13:53:58,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:53:58,603 INFO L470 AbstractCegarLoop]: Abstraction has 22523 states and 62000 transitions. [2022-03-15 13:53:58,603 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:53:58,603 INFO L276 IsEmpty]: Start isEmpty. Operand 22523 states and 62000 transitions. [2022-03-15 13:53:58,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:53:58,633 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:53:58,633 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:53:58,633 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2022-03-15 13:53:58,633 INFO L402 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:53:58,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:53:58,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1224668251, now seen corresponding path program 77 times [2022-03-15 13:53:58,634 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:53:58,634 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142890525] [2022-03-15 13:53:58,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:53:58,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:53:58,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:53:58,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:53:58,919 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:53:58,919 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142890525] [2022-03-15 13:53:58,919 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142890525] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:53:58,919 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:53:58,919 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:53:58,919 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854152282] [2022-03-15 13:53:58,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:53:58,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:53:58,919 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:53:58,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:53:58,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:53:58,920 INFO L87 Difference]: Start difference. First operand 22523 states and 62000 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:01,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:54:01,910 INFO L93 Difference]: Finished difference Result 41861 states and 114085 transitions. [2022-03-15 13:54:01,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-15 13:54:01,910 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:54:01,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:54:01,985 INFO L225 Difference]: With dead ends: 41861 [2022-03-15 13:54:01,985 INFO L226 Difference]: Without dead ends: 41861 [2022-03-15 13:54:01,986 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1232 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=812, Invalid=5668, Unknown=0, NotChecked=0, Total=6480 [2022-03-15 13:54:01,986 INFO L933 BasicCegarLoop]: 1074 mSDtfsCounter, 2214 mSDsluCounter, 23128 mSDsCounter, 0 mSdLazyCounter, 5284 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2214 SdHoareTripleChecker+Valid, 23730 SdHoareTripleChecker+Invalid, 5307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 13:54:01,986 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2214 Valid, 23730 Invalid, 5307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5284 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 13:54:02,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41861 states. [2022-03-15 13:54:02,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41861 to 22651. [2022-03-15 13:54:02,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22651 states, 22650 states have (on average 2.7549668874172184) internal successors, (62400), 22650 states have internal predecessors, (62400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:02,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22651 states to 22651 states and 62400 transitions. [2022-03-15 13:54:02,505 INFO L78 Accepts]: Start accepts. Automaton has 22651 states and 62400 transitions. Word has length 199 [2022-03-15 13:54:02,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:54:02,505 INFO L470 AbstractCegarLoop]: Abstraction has 22651 states and 62400 transitions. [2022-03-15 13:54:02,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:02,506 INFO L276 IsEmpty]: Start isEmpty. Operand 22651 states and 62400 transitions. [2022-03-15 13:54:02,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:54:02,535 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:54:02,535 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:54:02,535 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2022-03-15 13:54:02,535 INFO L402 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:54:02,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:54:02,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1048501003, now seen corresponding path program 78 times [2022-03-15 13:54:02,536 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:54:02,536 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816024978] [2022-03-15 13:54:02,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:54:02,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:54:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:54:02,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:54:02,824 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:54:02,824 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816024978] [2022-03-15 13:54:02,824 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816024978] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:54:02,824 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:54:02,824 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:54:02,825 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454048437] [2022-03-15 13:54:02,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:54:02,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:54:02,825 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:54:02,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:54:02,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:54:02,825 INFO L87 Difference]: Start difference. First operand 22651 states and 62400 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:05,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:54:05,723 INFO L93 Difference]: Finished difference Result 40458 states and 110594 transitions. [2022-03-15 13:54:05,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-15 13:54:05,724 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:54:05,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:54:05,799 INFO L225 Difference]: With dead ends: 40458 [2022-03-15 13:54:05,800 INFO L226 Difference]: Without dead ends: 40458 [2022-03-15 13:54:05,801 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1220 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=766, Invalid=5554, Unknown=0, NotChecked=0, Total=6320 [2022-03-15 13:54:05,801 INFO L933 BasicCegarLoop]: 1078 mSDtfsCounter, 2186 mSDsluCounter, 22786 mSDsCounter, 0 mSdLazyCounter, 5010 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2186 SdHoareTripleChecker+Valid, 23540 SdHoareTripleChecker+Invalid, 5033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5010 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:54:05,801 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2186 Valid, 23540 Invalid, 5033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5010 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:54:05,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40458 states. [2022-03-15 13:54:06,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40458 to 22587. [2022-03-15 13:54:06,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22587 states, 22586 states have (on average 2.753564154786151) internal successors, (62192), 22586 states have internal predecessors, (62192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:06,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22587 states to 22587 states and 62192 transitions. [2022-03-15 13:54:06,357 INFO L78 Accepts]: Start accepts. Automaton has 22587 states and 62192 transitions. Word has length 199 [2022-03-15 13:54:06,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:54:06,357 INFO L470 AbstractCegarLoop]: Abstraction has 22587 states and 62192 transitions. [2022-03-15 13:54:06,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:06,357 INFO L276 IsEmpty]: Start isEmpty. Operand 22587 states and 62192 transitions. [2022-03-15 13:54:06,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:54:06,387 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:54:06,387 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:54:06,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2022-03-15 13:54:06,387 INFO L402 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:54:06,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:54:06,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1397954887, now seen corresponding path program 79 times [2022-03-15 13:54:06,388 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:54:06,388 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004696924] [2022-03-15 13:54:06,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:54:06,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:54:06,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:54:06,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:54:06,676 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:54:06,676 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004696924] [2022-03-15 13:54:06,676 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004696924] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:54:06,676 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:54:06,676 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:54:06,676 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906309222] [2022-03-15 13:54:06,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:54:06,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:54:06,676 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:54:06,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:54:06,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:54:06,677 INFO L87 Difference]: Start difference. First operand 22587 states and 62192 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:09,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:54:09,267 INFO L93 Difference]: Finished difference Result 36628 states and 100347 transitions. [2022-03-15 13:54:09,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-03-15 13:54:09,267 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:54:09,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:54:09,333 INFO L225 Difference]: With dead ends: 36628 [2022-03-15 13:54:09,333 INFO L226 Difference]: Without dead ends: 36628 [2022-03-15 13:54:09,334 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 915 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=640, Invalid=4616, Unknown=0, NotChecked=0, Total=5256 [2022-03-15 13:54:09,334 INFO L933 BasicCegarLoop]: 1023 mSDtfsCounter, 1896 mSDsluCounter, 21487 mSDsCounter, 0 mSdLazyCounter, 4834 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1896 SdHoareTripleChecker+Valid, 22217 SdHoareTripleChecker+Invalid, 4853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:54:09,334 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1896 Valid, 22217 Invalid, 4853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4834 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:54:09,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36628 states. [2022-03-15 13:54:09,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36628 to 22539. [2022-03-15 13:54:09,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22539 states, 22538 states have (on average 2.753039311385216) internal successors, (62048), 22538 states have internal predecessors, (62048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:09,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22539 states to 22539 states and 62048 transitions. [2022-03-15 13:54:09,811 INFO L78 Accepts]: Start accepts. Automaton has 22539 states and 62048 transitions. Word has length 199 [2022-03-15 13:54:09,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:54:09,811 INFO L470 AbstractCegarLoop]: Abstraction has 22539 states and 62048 transitions. [2022-03-15 13:54:09,811 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:09,812 INFO L276 IsEmpty]: Start isEmpty. Operand 22539 states and 62048 transitions. [2022-03-15 13:54:09,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:54:09,839 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:54:09,840 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:54:09,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2022-03-15 13:54:09,840 INFO L402 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:54:09,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:54:09,840 INFO L85 PathProgramCache]: Analyzing trace with hash -1894640429, now seen corresponding path program 80 times [2022-03-15 13:54:09,840 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:54:09,840 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724346632] [2022-03-15 13:54:09,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:54:09,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:54:09,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:54:10,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:54:10,122 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:54:10,122 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724346632] [2022-03-15 13:54:10,122 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724346632] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:54:10,122 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:54:10,122 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:54:10,122 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917965722] [2022-03-15 13:54:10,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:54:10,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:54:10,123 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:54:10,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:54:10,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:54:10,123 INFO L87 Difference]: Start difference. First operand 22539 states and 62048 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:12,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:54:12,700 INFO L93 Difference]: Finished difference Result 37362 states and 102041 transitions. [2022-03-15 13:54:12,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-03-15 13:54:12,700 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:54:12,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:54:12,768 INFO L225 Difference]: With dead ends: 37362 [2022-03-15 13:54:12,768 INFO L226 Difference]: Without dead ends: 37362 [2022-03-15 13:54:12,769 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 913 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=641, Invalid=4615, Unknown=0, NotChecked=0, Total=5256 [2022-03-15 13:54:12,771 INFO L933 BasicCegarLoop]: 1052 mSDtfsCounter, 1846 mSDsluCounter, 22087 mSDsCounter, 0 mSdLazyCounter, 4772 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1846 SdHoareTripleChecker+Valid, 22825 SdHoareTripleChecker+Invalid, 4791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:54:12,771 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1846 Valid, 22825 Invalid, 4791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4772 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:54:12,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37362 states. [2022-03-15 13:54:13,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37362 to 22511. [2022-03-15 13:54:13,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22511 states, 22510 states have (on average 2.7528653931585962) internal successors, (61967), 22510 states have internal predecessors, (61967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:13,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22511 states to 22511 states and 61967 transitions. [2022-03-15 13:54:13,248 INFO L78 Accepts]: Start accepts. Automaton has 22511 states and 61967 transitions. Word has length 199 [2022-03-15 13:54:13,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:54:13,249 INFO L470 AbstractCegarLoop]: Abstraction has 22511 states and 61967 transitions. [2022-03-15 13:54:13,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:13,249 INFO L276 IsEmpty]: Start isEmpty. Operand 22511 states and 61967 transitions. [2022-03-15 13:54:13,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:54:13,276 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:54:13,276 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:54:13,277 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2022-03-15 13:54:13,277 INFO L402 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:54:13,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:54:13,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1617964849, now seen corresponding path program 81 times [2022-03-15 13:54:13,277 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:54:13,277 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752099591] [2022-03-15 13:54:13,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:54:13,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:54:13,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:54:13,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:54:13,557 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:54:13,557 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752099591] [2022-03-15 13:54:13,557 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752099591] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:54:13,557 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:54:13,557 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:54:13,557 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21084683] [2022-03-15 13:54:13,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:54:13,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:54:13,557 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:54:13,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:54:13,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:54:13,558 INFO L87 Difference]: Start difference. First operand 22511 states and 61967 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:16,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:54:16,581 INFO L93 Difference]: Finished difference Result 44752 states and 121950 transitions. [2022-03-15 13:54:16,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-15 13:54:16,581 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:54:16,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:54:16,660 INFO L225 Difference]: With dead ends: 44752 [2022-03-15 13:54:16,660 INFO L226 Difference]: Without dead ends: 44752 [2022-03-15 13:54:16,661 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1302 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=803, Invalid=5839, Unknown=0, NotChecked=0, Total=6642 [2022-03-15 13:54:16,661 INFO L933 BasicCegarLoop]: 1073 mSDtfsCounter, 2311 mSDsluCounter, 23376 mSDsCounter, 0 mSdLazyCounter, 5438 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2311 SdHoareTripleChecker+Valid, 24011 SdHoareTripleChecker+Invalid, 5461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 13:54:16,661 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2311 Valid, 24011 Invalid, 5461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5438 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 13:54:16,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44752 states. [2022-03-15 13:54:17,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44752 to 23015. [2022-03-15 13:54:17,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23015 states, 23014 states have (on average 2.757147823064222) internal successors, (63453), 23014 states have internal predecessors, (63453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:17,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23015 states to 23015 states and 63453 transitions. [2022-03-15 13:54:17,218 INFO L78 Accepts]: Start accepts. Automaton has 23015 states and 63453 transitions. Word has length 199 [2022-03-15 13:54:17,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:54:17,218 INFO L470 AbstractCegarLoop]: Abstraction has 23015 states and 63453 transitions. [2022-03-15 13:54:17,218 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:17,218 INFO L276 IsEmpty]: Start isEmpty. Operand 23015 states and 63453 transitions. [2022-03-15 13:54:17,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:54:17,247 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:54:17,247 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:54:17,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2022-03-15 13:54:17,247 INFO L402 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:54:17,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:54:17,247 INFO L85 PathProgramCache]: Analyzing trace with hash 655204405, now seen corresponding path program 82 times [2022-03-15 13:54:17,247 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:54:17,247 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341920782] [2022-03-15 13:54:17,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:54:17,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:54:17,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:54:17,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:54:17,538 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:54:17,538 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341920782] [2022-03-15 13:54:17,538 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341920782] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:54:17,538 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:54:17,538 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:54:17,539 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275246578] [2022-03-15 13:54:17,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:54:17,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:54:17,539 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:54:17,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:54:17,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:54:17,539 INFO L87 Difference]: Start difference. First operand 23015 states and 63453 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:20,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:54:20,553 INFO L93 Difference]: Finished difference Result 42905 states and 117307 transitions. [2022-03-15 13:54:20,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-15 13:54:20,553 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:54:20,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:54:20,629 INFO L225 Difference]: With dead ends: 42905 [2022-03-15 13:54:20,629 INFO L226 Difference]: Without dead ends: 42905 [2022-03-15 13:54:20,630 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1383 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=784, Invalid=6022, Unknown=0, NotChecked=0, Total=6806 [2022-03-15 13:54:20,630 INFO L933 BasicCegarLoop]: 1068 mSDtfsCounter, 2269 mSDsluCounter, 22970 mSDsCounter, 0 mSdLazyCounter, 5185 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2269 SdHoareTripleChecker+Valid, 23747 SdHoareTripleChecker+Invalid, 5208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:54:20,630 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2269 Valid, 23747 Invalid, 5208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5185 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:54:20,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42905 states. [2022-03-15 13:54:21,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42905 to 22951. [2022-03-15 13:54:21,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22951 states, 22950 states have (on average 2.755773420479303) internal successors, (63245), 22950 states have internal predecessors, (63245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:21,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22951 states to 22951 states and 63245 transitions. [2022-03-15 13:54:21,174 INFO L78 Accepts]: Start accepts. Automaton has 22951 states and 63245 transitions. Word has length 199 [2022-03-15 13:54:21,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:54:21,174 INFO L470 AbstractCegarLoop]: Abstraction has 22951 states and 63245 transitions. [2022-03-15 13:54:21,174 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:21,174 INFO L276 IsEmpty]: Start isEmpty. Operand 22951 states and 63245 transitions. [2022-03-15 13:54:21,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:54:21,203 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:54:21,203 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:54:21,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2022-03-15 13:54:21,203 INFO L402 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:54:21,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:54:21,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1716625521, now seen corresponding path program 83 times [2022-03-15 13:54:21,203 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:54:21,203 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455833157] [2022-03-15 13:54:21,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:54:21,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:54:21,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:54:21,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:54:21,492 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:54:21,492 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455833157] [2022-03-15 13:54:21,493 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455833157] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:54:21,493 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:54:21,493 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:54:21,493 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247602897] [2022-03-15 13:54:21,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:54:21,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:54:21,493 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:54:21,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:54:21,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:54:21,494 INFO L87 Difference]: Start difference. First operand 22951 states and 63245 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:24,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:54:24,312 INFO L93 Difference]: Finished difference Result 41047 states and 112522 transitions. [2022-03-15 13:54:24,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-15 13:54:24,313 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:54:24,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:54:24,494 INFO L225 Difference]: With dead ends: 41047 [2022-03-15 13:54:24,495 INFO L226 Difference]: Without dead ends: 41047 [2022-03-15 13:54:24,495 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1092 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=683, Invalid=5169, Unknown=0, NotChecked=0, Total=5852 [2022-03-15 13:54:24,495 INFO L933 BasicCegarLoop]: 1063 mSDtfsCounter, 1999 mSDsluCounter, 22565 mSDsCounter, 0 mSdLazyCounter, 5141 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1999 SdHoareTripleChecker+Valid, 23350 SdHoareTripleChecker+Invalid, 5160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:54:24,496 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1999 Valid, 23350 Invalid, 5160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5141 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:54:24,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41047 states. [2022-03-15 13:54:24,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41047 to 22903. [2022-03-15 13:54:24,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22903 states, 22902 states have (on average 2.755261549209676) internal successors, (63101), 22902 states have internal predecessors, (63101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:24,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22903 states to 22903 states and 63101 transitions. [2022-03-15 13:54:24,954 INFO L78 Accepts]: Start accepts. Automaton has 22903 states and 63101 transitions. Word has length 199 [2022-03-15 13:54:24,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:54:24,955 INFO L470 AbstractCegarLoop]: Abstraction has 22903 states and 63101 transitions. [2022-03-15 13:54:24,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:24,955 INFO L276 IsEmpty]: Start isEmpty. Operand 22903 states and 63101 transitions. [2022-03-15 13:54:24,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:54:24,983 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:54:24,984 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:54:24,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2022-03-15 13:54:24,984 INFO L402 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:54:24,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:54:24,984 INFO L85 PathProgramCache]: Analyzing trace with hash -115338621, now seen corresponding path program 84 times [2022-03-15 13:54:24,985 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:54:24,985 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752942821] [2022-03-15 13:54:24,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:54:24,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:54:24,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:54:25,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:54:25,262 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:54:25,263 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752942821] [2022-03-15 13:54:25,263 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752942821] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:54:25,263 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:54:25,263 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:54:25,263 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021691479] [2022-03-15 13:54:25,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:54:25,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:54:25,263 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:54:25,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:54:25,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:54:25,264 INFO L87 Difference]: Start difference. First operand 22903 states and 63101 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:28,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:54:28,054 INFO L93 Difference]: Finished difference Result 42405 states and 115914 transitions. [2022-03-15 13:54:28,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-15 13:54:28,054 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:54:28,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:54:28,134 INFO L225 Difference]: With dead ends: 42405 [2022-03-15 13:54:28,134 INFO L226 Difference]: Without dead ends: 42405 [2022-03-15 13:54:28,135 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1092 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=682, Invalid=5170, Unknown=0, NotChecked=0, Total=5852 [2022-03-15 13:54:28,135 INFO L933 BasicCegarLoop]: 1076 mSDtfsCounter, 2055 mSDsluCounter, 22845 mSDsCounter, 0 mSdLazyCounter, 5059 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2055 SdHoareTripleChecker+Valid, 23641 SdHoareTripleChecker+Invalid, 5078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:54:28,135 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2055 Valid, 23641 Invalid, 5078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5059 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:54:28,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42405 states. [2022-03-15 13:54:28,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42405 to 22887. [2022-03-15 13:54:28,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22887 states, 22886 states have (on average 2.75509044830901) internal successors, (63053), 22886 states have internal predecessors, (63053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:28,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22887 states to 22887 states and 63053 transitions. [2022-03-15 13:54:28,698 INFO L78 Accepts]: Start accepts. Automaton has 22887 states and 63053 transitions. Word has length 199 [2022-03-15 13:54:28,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:54:28,699 INFO L470 AbstractCegarLoop]: Abstraction has 22887 states and 63053 transitions. [2022-03-15 13:54:28,699 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:28,699 INFO L276 IsEmpty]: Start isEmpty. Operand 22887 states and 63053 transitions. [2022-03-15 13:54:28,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:54:28,729 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:54:28,729 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:54:28,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2022-03-15 13:54:28,730 INFO L402 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:54:28,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:54:28,730 INFO L85 PathProgramCache]: Analyzing trace with hash -716569939, now seen corresponding path program 85 times [2022-03-15 13:54:28,730 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:54:28,730 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886550042] [2022-03-15 13:54:28,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:54:28,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:54:28,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:54:29,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:54:29,010 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:54:29,010 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886550042] [2022-03-15 13:54:29,010 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886550042] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:54:29,010 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:54:29,010 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:54:29,010 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853135074] [2022-03-15 13:54:29,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:54:29,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:54:29,011 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:54:29,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:54:29,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:54:29,011 INFO L87 Difference]: Start difference. First operand 22887 states and 63053 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:31,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:54:31,729 INFO L93 Difference]: Finished difference Result 41398 states and 113056 transitions. [2022-03-15 13:54:31,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-15 13:54:31,729 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:54:31,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:54:31,804 INFO L225 Difference]: With dead ends: 41398 [2022-03-15 13:54:31,804 INFO L226 Difference]: Without dead ends: 41398 [2022-03-15 13:54:31,805 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1008 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=642, Invalid=4908, Unknown=0, NotChecked=0, Total=5550 [2022-03-15 13:54:31,805 INFO L933 BasicCegarLoop]: 1123 mSDtfsCounter, 1884 mSDsluCounter, 23734 mSDsCounter, 0 mSdLazyCounter, 5083 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1884 SdHoareTripleChecker+Valid, 24559 SdHoareTripleChecker+Invalid, 5102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5083 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:54:31,805 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1884 Valid, 24559 Invalid, 5102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5083 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:54:31,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41398 states. [2022-03-15 13:54:32,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41398 to 22679. [2022-03-15 13:54:32,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22679 states, 22678 states have (on average 2.752844166152218) internal successors, (62429), 22678 states have internal predecessors, (62429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:32,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22679 states to 22679 states and 62429 transitions. [2022-03-15 13:54:32,322 INFO L78 Accepts]: Start accepts. Automaton has 22679 states and 62429 transitions. Word has length 199 [2022-03-15 13:54:32,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:54:32,322 INFO L470 AbstractCegarLoop]: Abstraction has 22679 states and 62429 transitions. [2022-03-15 13:54:32,322 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:32,322 INFO L276 IsEmpty]: Start isEmpty. Operand 22679 states and 62429 transitions. [2022-03-15 13:54:32,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:54:32,351 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:54:32,351 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:54:32,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2022-03-15 13:54:32,351 INFO L402 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:54:32,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:54:32,351 INFO L85 PathProgramCache]: Analyzing trace with hash -22970031, now seen corresponding path program 86 times [2022-03-15 13:54:32,351 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:54:32,352 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084815023] [2022-03-15 13:54:32,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:54:32,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:54:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:54:32,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:54:32,642 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:54:32,642 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084815023] [2022-03-15 13:54:32,642 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084815023] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:54:32,642 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:54:32,642 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:54:32,642 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107456116] [2022-03-15 13:54:32,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:54:32,642 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:54:32,642 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:54:32,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:54:32,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:54:32,643 INFO L87 Difference]: Start difference. First operand 22679 states and 62429 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:35,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:54:35,290 INFO L93 Difference]: Finished difference Result 38407 states and 104883 transitions. [2022-03-15 13:54:35,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-03-15 13:54:35,290 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:54:35,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:54:35,357 INFO L225 Difference]: With dead ends: 38407 [2022-03-15 13:54:35,357 INFO L226 Difference]: Without dead ends: 38407 [2022-03-15 13:54:35,358 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 915 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=639, Invalid=4617, Unknown=0, NotChecked=0, Total=5256 [2022-03-15 13:54:35,358 INFO L933 BasicCegarLoop]: 953 mSDtfsCounter, 1948 mSDsluCounter, 20631 mSDsCounter, 0 mSdLazyCounter, 4945 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1948 SdHoareTripleChecker+Valid, 21270 SdHoareTripleChecker+Invalid, 4968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4945 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:54:35,358 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1948 Valid, 21270 Invalid, 4968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4945 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:54:35,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38407 states. [2022-03-15 13:54:35,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38407 to 22839. [2022-03-15 13:54:35,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22839 states, 22838 states have (on average 2.754750853840091) internal successors, (62913), 22838 states have internal predecessors, (62913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:35,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22839 states to 22839 states and 62913 transitions. [2022-03-15 13:54:35,870 INFO L78 Accepts]: Start accepts. Automaton has 22839 states and 62913 transitions. Word has length 199 [2022-03-15 13:54:35,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:54:35,870 INFO L470 AbstractCegarLoop]: Abstraction has 22839 states and 62913 transitions. [2022-03-15 13:54:35,871 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:35,871 INFO L276 IsEmpty]: Start isEmpty. Operand 22839 states and 62913 transitions. [2022-03-15 13:54:35,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:54:35,900 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:54:35,900 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:54:35,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2022-03-15 13:54:35,900 INFO L402 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:54:35,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:54:35,901 INFO L85 PathProgramCache]: Analyzing trace with hash -2044768073, now seen corresponding path program 87 times [2022-03-15 13:54:35,901 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:54:35,901 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867773113] [2022-03-15 13:54:35,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:54:35,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:54:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:54:36,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:54:36,200 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:54:36,200 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867773113] [2022-03-15 13:54:36,200 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867773113] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:54:36,200 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:54:36,200 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:54:36,200 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141683666] [2022-03-15 13:54:36,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:54:36,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:54:36,201 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:54:36,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:54:36,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:54:36,201 INFO L87 Difference]: Start difference. First operand 22839 states and 62913 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:38,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:54:38,859 INFO L93 Difference]: Finished difference Result 37503 states and 102683 transitions. [2022-03-15 13:54:38,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-15 13:54:38,860 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:54:38,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:54:38,925 INFO L225 Difference]: With dead ends: 37503 [2022-03-15 13:54:38,925 INFO L226 Difference]: Without dead ends: 37503 [2022-03-15 13:54:38,926 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1006 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=651, Invalid=4899, Unknown=0, NotChecked=0, Total=5550 [2022-03-15 13:54:38,926 INFO L933 BasicCegarLoop]: 966 mSDtfsCounter, 1897 mSDsluCounter, 20598 mSDsCounter, 0 mSdLazyCounter, 4848 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1897 SdHoareTripleChecker+Valid, 21380 SdHoareTripleChecker+Invalid, 4871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:54:38,926 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1897 Valid, 21380 Invalid, 4871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4848 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:54:38,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37503 states. [2022-03-15 13:54:39,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37503 to 22775. [2022-03-15 13:54:39,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22775 states, 22774 states have (on average 2.753359093703346) internal successors, (62705), 22774 states have internal predecessors, (62705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:39,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22775 states to 22775 states and 62705 transitions. [2022-03-15 13:54:39,421 INFO L78 Accepts]: Start accepts. Automaton has 22775 states and 62705 transitions. Word has length 199 [2022-03-15 13:54:39,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:54:39,421 INFO L470 AbstractCegarLoop]: Abstraction has 22775 states and 62705 transitions. [2022-03-15 13:54:39,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:39,422 INFO L276 IsEmpty]: Start isEmpty. Operand 22775 states and 62705 transitions. [2022-03-15 13:54:39,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:54:39,451 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:54:39,451 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:54:39,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2022-03-15 13:54:39,451 INFO L402 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:54:39,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:54:39,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1873001999, now seen corresponding path program 88 times [2022-03-15 13:54:39,452 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:54:39,452 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354834458] [2022-03-15 13:54:39,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:54:39,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:54:39,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:54:39,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:54:39,739 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:54:39,739 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354834458] [2022-03-15 13:54:39,739 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354834458] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:54:39,739 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:54:39,739 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:54:39,739 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191530179] [2022-03-15 13:54:39,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:54:39,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:54:39,740 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:54:39,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:54:39,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:54:39,740 INFO L87 Difference]: Start difference. First operand 22775 states and 62705 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:42,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:54:42,271 INFO L93 Difference]: Finished difference Result 35308 states and 96510 transitions. [2022-03-15 13:54:42,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-03-15 13:54:42,271 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:54:42,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:54:42,337 INFO L225 Difference]: With dead ends: 35308 [2022-03-15 13:54:42,337 INFO L226 Difference]: Without dead ends: 35308 [2022-03-15 13:54:42,338 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 756 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=588, Invalid=4104, Unknown=0, NotChecked=0, Total=4692 [2022-03-15 13:54:42,338 INFO L933 BasicCegarLoop]: 932 mSDtfsCounter, 1661 mSDsluCounter, 19999 mSDsCounter, 0 mSdLazyCounter, 4682 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1661 SdHoareTripleChecker+Valid, 20639 SdHoareTripleChecker+Invalid, 4701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:54:42,338 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1661 Valid, 20639 Invalid, 4701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4682 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:54:42,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35308 states. [2022-03-15 13:54:42,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35308 to 22727. [2022-03-15 13:54:42,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22727 states, 22726 states have (on average 2.7528381589369006) internal successors, (62561), 22726 states have internal predecessors, (62561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:42,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22727 states to 22727 states and 62561 transitions. [2022-03-15 13:54:42,890 INFO L78 Accepts]: Start accepts. Automaton has 22727 states and 62561 transitions. Word has length 199 [2022-03-15 13:54:42,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:54:42,890 INFO L470 AbstractCegarLoop]: Abstraction has 22727 states and 62561 transitions. [2022-03-15 13:54:42,890 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:42,890 INFO L276 IsEmpty]: Start isEmpty. Operand 22727 states and 62561 transitions. [2022-03-15 13:54:42,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:54:42,922 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:54:42,922 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:54:42,923 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2022-03-15 13:54:42,923 INFO L402 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:54:42,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:54:42,923 INFO L85 PathProgramCache]: Analyzing trace with hash -2059258609, now seen corresponding path program 89 times [2022-03-15 13:54:42,923 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:54:42,924 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309192716] [2022-03-15 13:54:42,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:54:42,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:54:42,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:54:43,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:54:43,206 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:54:43,206 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309192716] [2022-03-15 13:54:43,206 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309192716] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:54:43,206 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:54:43,206 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:54:43,206 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464126253] [2022-03-15 13:54:43,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:54:43,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:54:43,206 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:54:43,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:54:43,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:54:43,207 INFO L87 Difference]: Start difference. First operand 22727 states and 62561 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:46,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:54:46,035 INFO L93 Difference]: Finished difference Result 38999 states and 106473 transitions. [2022-03-15 13:54:46,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-15 13:54:46,036 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:54:46,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:54:46,104 INFO L225 Difference]: With dead ends: 38999 [2022-03-15 13:54:46,104 INFO L226 Difference]: Without dead ends: 38999 [2022-03-15 13:54:46,105 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1044 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=673, Invalid=5027, Unknown=0, NotChecked=0, Total=5700 [2022-03-15 13:54:46,105 INFO L933 BasicCegarLoop]: 990 mSDtfsCounter, 1913 mSDsluCounter, 21468 mSDsCounter, 0 mSdLazyCounter, 5137 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1913 SdHoareTripleChecker+Valid, 22102 SdHoareTripleChecker+Invalid, 5160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 13:54:46,105 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1913 Valid, 22102 Invalid, 5160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5137 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 13:54:46,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38999 states. [2022-03-15 13:54:46,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38999 to 22839. [2022-03-15 13:54:46,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22839 states, 22838 states have (on average 2.754750853840091) internal successors, (62913), 22838 states have internal predecessors, (62913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:46,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22839 states to 22839 states and 62913 transitions. [2022-03-15 13:54:46,589 INFO L78 Accepts]: Start accepts. Automaton has 22839 states and 62913 transitions. Word has length 199 [2022-03-15 13:54:46,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:54:46,589 INFO L470 AbstractCegarLoop]: Abstraction has 22839 states and 62913 transitions. [2022-03-15 13:54:46,590 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:46,590 INFO L276 IsEmpty]: Start isEmpty. Operand 22839 states and 62913 transitions. [2022-03-15 13:54:46,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:54:46,619 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:54:46,619 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:54:46,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2022-03-15 13:54:46,619 INFO L402 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:54:46,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:54:46,620 INFO L85 PathProgramCache]: Analyzing trace with hash 213910645, now seen corresponding path program 90 times [2022-03-15 13:54:46,620 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:54:46,620 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114806173] [2022-03-15 13:54:46,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:54:46,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:54:46,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:54:46,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:54:46,904 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:54:46,904 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114806173] [2022-03-15 13:54:46,904 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114806173] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:54:46,904 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:54:46,904 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:54:46,904 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297376375] [2022-03-15 13:54:46,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:54:46,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:54:46,904 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:54:46,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:54:46,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:54:46,905 INFO L87 Difference]: Start difference. First operand 22839 states and 62913 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:49,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:54:49,651 INFO L93 Difference]: Finished difference Result 37987 states and 104005 transitions. [2022-03-15 13:54:49,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-15 13:54:49,652 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:54:49,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:54:49,717 INFO L225 Difference]: With dead ends: 37987 [2022-03-15 13:54:49,718 INFO L226 Difference]: Without dead ends: 37987 [2022-03-15 13:54:49,718 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1101 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=667, Invalid=5185, Unknown=0, NotChecked=0, Total=5852 [2022-03-15 13:54:49,719 INFO L933 BasicCegarLoop]: 1023 mSDtfsCounter, 1906 mSDsluCounter, 21843 mSDsCounter, 0 mSdLazyCounter, 5013 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1906 SdHoareTripleChecker+Valid, 22622 SdHoareTripleChecker+Invalid, 5036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5013 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:54:49,719 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1906 Valid, 22622 Invalid, 5036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5013 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:54:49,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37987 states. [2022-03-15 13:54:50,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37987 to 22775. [2022-03-15 13:54:50,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22775 states, 22774 states have (on average 2.753359093703346) internal successors, (62705), 22774 states have internal predecessors, (62705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:50,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22775 states to 22775 states and 62705 transitions. [2022-03-15 13:54:50,182 INFO L78 Accepts]: Start accepts. Automaton has 22775 states and 62705 transitions. Word has length 199 [2022-03-15 13:54:50,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:54:50,182 INFO L470 AbstractCegarLoop]: Abstraction has 22775 states and 62705 transitions. [2022-03-15 13:54:50,182 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:50,183 INFO L276 IsEmpty]: Start isEmpty. Operand 22775 states and 62705 transitions. [2022-03-15 13:54:50,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:54:50,211 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:54:50,211 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:54:50,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2022-03-15 13:54:50,211 INFO L402 AbstractCegarLoop]: === Iteration 115 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:54:50,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:54:50,212 INFO L85 PathProgramCache]: Analyzing trace with hash 563364529, now seen corresponding path program 91 times [2022-03-15 13:54:50,212 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:54:50,212 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795554830] [2022-03-15 13:54:50,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:54:50,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:54:50,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:54:50,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:54:50,496 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:54:50,496 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795554830] [2022-03-15 13:54:50,496 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795554830] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:54:50,496 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:54:50,496 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:54:50,496 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759552788] [2022-03-15 13:54:50,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:54:50,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:54:50,496 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:54:50,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:54:50,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:54:50,497 INFO L87 Difference]: Start difference. First operand 22775 states and 62705 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:53,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:54:53,008 INFO L93 Difference]: Finished difference Result 34728 states and 95202 transitions. [2022-03-15 13:54:53,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-03-15 13:54:53,009 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:54:53,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:54:53,070 INFO L225 Difference]: With dead ends: 34728 [2022-03-15 13:54:53,070 INFO L226 Difference]: Without dead ends: 34728 [2022-03-15 13:54:53,071 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 849 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=580, Invalid=4390, Unknown=0, NotChecked=0, Total=4970 [2022-03-15 13:54:53,071 INFO L933 BasicCegarLoop]: 967 mSDtfsCounter, 1623 mSDsluCounter, 20535 mSDsCounter, 0 mSdLazyCounter, 4812 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1623 SdHoareTripleChecker+Valid, 21284 SdHoareTripleChecker+Invalid, 4831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:54:53,071 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1623 Valid, 21284 Invalid, 4831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4812 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:54:53,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34728 states. [2022-03-15 13:54:53,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34728 to 22691. [2022-03-15 13:54:53,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22691 states, 22690 states have (on average 2.7528426619656234) internal successors, (62462), 22690 states have internal predecessors, (62462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:53,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22691 states to 22691 states and 62462 transitions. [2022-03-15 13:54:53,520 INFO L78 Accepts]: Start accepts. Automaton has 22691 states and 62462 transitions. Word has length 199 [2022-03-15 13:54:53,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:54:53,520 INFO L470 AbstractCegarLoop]: Abstraction has 22691 states and 62462 transitions. [2022-03-15 13:54:53,520 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:53,520 INFO L276 IsEmpty]: Start isEmpty. Operand 22691 states and 62462 transitions. [2022-03-15 13:54:53,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:54:53,549 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:54:53,549 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:54:53,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2022-03-15 13:54:53,549 INFO L402 AbstractCegarLoop]: === Iteration 116 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:54:53,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:54:53,549 INFO L85 PathProgramCache]: Analyzing trace with hash 656766229, now seen corresponding path program 92 times [2022-03-15 13:54:53,549 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:54:53,549 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654719106] [2022-03-15 13:54:53,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:54:53,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:54:53,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:54:53,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:54:53,831 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:54:53,831 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654719106] [2022-03-15 13:54:53,831 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654719106] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:54:53,831 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:54:53,831 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:54:53,831 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263632876] [2022-03-15 13:54:53,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:54:53,832 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:54:53,832 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:54:53,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:54:53,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:54:53,832 INFO L87 Difference]: Start difference. First operand 22691 states and 62462 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:56,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:54:56,816 INFO L93 Difference]: Finished difference Result 43045 states and 117349 transitions. [2022-03-15 13:54:56,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-03-15 13:54:56,816 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:54:56,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:54:56,895 INFO L225 Difference]: With dead ends: 43045 [2022-03-15 13:54:56,896 INFO L226 Difference]: Without dead ends: 43045 [2022-03-15 13:54:56,896 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1171 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=735, Invalid=5427, Unknown=0, NotChecked=0, Total=6162 [2022-03-15 13:54:56,897 INFO L933 BasicCegarLoop]: 1051 mSDtfsCounter, 2094 mSDsluCounter, 22803 mSDsCounter, 0 mSdLazyCounter, 5412 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2094 SdHoareTripleChecker+Valid, 23456 SdHoareTripleChecker+Invalid, 5435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 13:54:56,897 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2094 Valid, 23456 Invalid, 5435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5412 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 13:54:56,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43045 states. [2022-03-15 13:54:57,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43045 to 22819. [2022-03-15 13:54:57,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22819 states, 22818 states have (on average 2.754930318169866) internal successors, (62862), 22818 states have internal predecessors, (62862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:57,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22819 states to 22819 states and 62862 transitions. [2022-03-15 13:54:57,436 INFO L78 Accepts]: Start accepts. Automaton has 22819 states and 62862 transitions. Word has length 199 [2022-03-15 13:54:57,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:54:57,436 INFO L470 AbstractCegarLoop]: Abstraction has 22819 states and 62862 transitions. [2022-03-15 13:54:57,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:54:57,437 INFO L276 IsEmpty]: Start isEmpty. Operand 22819 states and 62862 transitions. [2022-03-15 13:54:57,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:54:57,465 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:54:57,465 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:54:57,466 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2022-03-15 13:54:57,466 INFO L402 AbstractCegarLoop]: === Iteration 117 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:54:57,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:54:57,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1365031813, now seen corresponding path program 93 times [2022-03-15 13:54:57,466 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:54:57,466 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928602743] [2022-03-15 13:54:57,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:54:57,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:54:57,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:54:57,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:54:57,749 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:54:57,750 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928602743] [2022-03-15 13:54:57,750 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928602743] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:54:57,750 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:54:57,750 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:54:57,750 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560479040] [2022-03-15 13:54:57,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:54:57,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:54:57,750 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:54:57,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:54:57,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:54:57,751 INFO L87 Difference]: Start difference. First operand 22819 states and 62862 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:00,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:55:00,671 INFO L93 Difference]: Finished difference Result 41862 states and 114443 transitions. [2022-03-15 13:55:00,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-15 13:55:00,672 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:55:00,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:55:00,749 INFO L225 Difference]: With dead ends: 41862 [2022-03-15 13:55:00,749 INFO L226 Difference]: Without dead ends: 41862 [2022-03-15 13:55:00,750 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1284 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=744, Invalid=5736, Unknown=0, NotChecked=0, Total=6480 [2022-03-15 13:55:00,750 INFO L933 BasicCegarLoop]: 1097 mSDtfsCounter, 2068 mSDsluCounter, 23398 mSDsCounter, 0 mSdLazyCounter, 5228 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2068 SdHoareTripleChecker+Valid, 24208 SdHoareTripleChecker+Invalid, 5251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:55:00,750 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2068 Valid, 24208 Invalid, 5251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5228 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:55:00,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41862 states. [2022-03-15 13:55:01,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41862 to 22755. [2022-03-15 13:55:01,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22755 states, 22754 states have (on average 2.7535378395007473) internal successors, (62654), 22754 states have internal predecessors, (62654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:01,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22755 states to 22755 states and 62654 transitions. [2022-03-15 13:55:01,284 INFO L78 Accepts]: Start accepts. Automaton has 22755 states and 62654 transitions. Word has length 199 [2022-03-15 13:55:01,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:55:01,284 INFO L470 AbstractCegarLoop]: Abstraction has 22755 states and 62654 transitions. [2022-03-15 13:55:01,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:01,284 INFO L276 IsEmpty]: Start isEmpty. Operand 22755 states and 62654 transitions. [2022-03-15 13:55:01,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:55:01,313 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:55:01,313 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:55:01,313 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2022-03-15 13:55:01,313 INFO L402 AbstractCegarLoop]: === Iteration 118 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:55:01,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:55:01,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1015577929, now seen corresponding path program 94 times [2022-03-15 13:55:01,313 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:55:01,313 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519095542] [2022-03-15 13:55:01,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:55:01,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:55:01,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:55:01,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:55:01,595 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:55:01,595 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519095542] [2022-03-15 13:55:01,595 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519095542] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:55:01,595 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:55:01,595 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:55:01,595 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658263852] [2022-03-15 13:55:01,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:55:01,595 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:55:01,595 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:55:01,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:55:01,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:55:01,596 INFO L87 Difference]: Start difference. First operand 22755 states and 62654 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:04,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:55:04,254 INFO L93 Difference]: Finished difference Result 38032 states and 104196 transitions. [2022-03-15 13:55:04,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-15 13:55:04,254 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:55:04,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:55:04,318 INFO L225 Difference]: With dead ends: 38032 [2022-03-15 13:55:04,319 INFO L226 Difference]: Without dead ends: 38032 [2022-03-15 13:55:04,319 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 967 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=629, Invalid=4773, Unknown=0, NotChecked=0, Total=5402 [2022-03-15 13:55:04,320 INFO L933 BasicCegarLoop]: 1042 mSDtfsCounter, 1778 mSDsluCounter, 22085 mSDsCounter, 0 mSdLazyCounter, 5040 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1778 SdHoareTripleChecker+Valid, 22869 SdHoareTripleChecker+Invalid, 5059 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:55:04,320 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1778 Valid, 22869 Invalid, 5059 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5040 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:55:04,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38032 states. [2022-03-15 13:55:04,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38032 to 22707. [2022-03-15 13:55:04,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22707 states, 22706 states have (on average 2.753016823747027) internal successors, (62510), 22706 states have internal predecessors, (62510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:04,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22707 states to 22707 states and 62510 transitions. [2022-03-15 13:55:04,762 INFO L78 Accepts]: Start accepts. Automaton has 22707 states and 62510 transitions. Word has length 199 [2022-03-15 13:55:04,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:55:04,763 INFO L470 AbstractCegarLoop]: Abstraction has 22707 states and 62510 transitions. [2022-03-15 13:55:04,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:04,763 INFO L276 IsEmpty]: Start isEmpty. Operand 22707 states and 62510 transitions. [2022-03-15 13:55:04,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:55:04,789 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:55:04,790 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:55:04,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2022-03-15 13:55:04,790 INFO L402 AbstractCegarLoop]: === Iteration 119 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:55:04,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:55:04,790 INFO L85 PathProgramCache]: Analyzing trace with hash -13205949, now seen corresponding path program 95 times [2022-03-15 13:55:04,790 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:55:04,790 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723366849] [2022-03-15 13:55:04,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:55:04,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:55:04,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:55:05,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:55:05,069 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:55:05,069 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723366849] [2022-03-15 13:55:05,069 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723366849] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:55:05,069 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:55:05,070 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:55:05,070 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609694625] [2022-03-15 13:55:05,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:55:05,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:55:05,070 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:55:05,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:55:05,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:55:05,070 INFO L87 Difference]: Start difference. First operand 22707 states and 62510 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:07,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:55:07,731 INFO L93 Difference]: Finished difference Result 38766 states and 105890 transitions. [2022-03-15 13:55:07,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-15 13:55:07,731 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:55:07,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:55:07,795 INFO L225 Difference]: With dead ends: 38766 [2022-03-15 13:55:07,795 INFO L226 Difference]: Without dead ends: 38766 [2022-03-15 13:55:07,795 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 967 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=626, Invalid=4776, Unknown=0, NotChecked=0, Total=5402 [2022-03-15 13:55:07,796 INFO L933 BasicCegarLoop]: 1071 mSDtfsCounter, 1770 mSDsluCounter, 22748 mSDsCounter, 0 mSdLazyCounter, 4971 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1770 SdHoareTripleChecker+Valid, 23538 SdHoareTripleChecker+Invalid, 4990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4971 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:55:07,796 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1770 Valid, 23538 Invalid, 4990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4971 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:55:07,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38766 states. [2022-03-15 13:55:08,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38766 to 22523. [2022-03-15 13:55:08,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22523 states, 22522 states have (on average 2.7528638664417016) internal successors, (62000), 22522 states have internal predecessors, (62000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:08,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22523 states to 22523 states and 62000 transitions. [2022-03-15 13:55:08,270 INFO L78 Accepts]: Start accepts. Automaton has 22523 states and 62000 transitions. Word has length 199 [2022-03-15 13:55:08,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:55:08,270 INFO L470 AbstractCegarLoop]: Abstraction has 22523 states and 62000 transitions. [2022-03-15 13:55:08,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:08,270 INFO L276 IsEmpty]: Start isEmpty. Operand 22523 states and 62000 transitions. [2022-03-15 13:55:08,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:55:08,298 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:55:08,298 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:55:08,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2022-03-15 13:55:08,298 INFO L402 AbstractCegarLoop]: === Iteration 120 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:55:08,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:55:08,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1101640587, now seen corresponding path program 96 times [2022-03-15 13:55:08,298 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:55:08,298 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387671110] [2022-03-15 13:55:08,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:55:08,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:55:08,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:55:08,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:55:08,577 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:55:08,577 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387671110] [2022-03-15 13:55:08,577 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387671110] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:55:08,577 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:55:08,577 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:55:08,577 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592582859] [2022-03-15 13:55:08,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:55:08,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:55:08,577 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:55:08,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:55:08,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:55:08,578 INFO L87 Difference]: Start difference. First operand 22523 states and 62000 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:11,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:55:11,734 INFO L93 Difference]: Finished difference Result 46894 states and 127588 transitions. [2022-03-15 13:55:11,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-03-15 13:55:11,734 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:55:11,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:55:11,812 INFO L225 Difference]: With dead ends: 46894 [2022-03-15 13:55:11,812 INFO L226 Difference]: Without dead ends: 46894 [2022-03-15 13:55:11,813 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1390 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=857, Invalid=6115, Unknown=0, NotChecked=0, Total=6972 [2022-03-15 13:55:11,813 INFO L933 BasicCegarLoop]: 1126 mSDtfsCounter, 2340 mSDsluCounter, 24437 mSDsCounter, 0 mSdLazyCounter, 5690 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2340 SdHoareTripleChecker+Valid, 25085 SdHoareTripleChecker+Invalid, 5713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-15 13:55:11,813 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2340 Valid, 25085 Invalid, 5713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5690 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-15 13:55:11,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46894 states. [2022-03-15 13:55:12,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46894 to 22875. [2022-03-15 13:55:12,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22875 states, 22874 states have (on average 2.7573664422488413) internal successors, (63072), 22874 states have internal predecessors, (63072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:12,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22875 states to 22875 states and 63072 transitions. [2022-03-15 13:55:12,313 INFO L78 Accepts]: Start accepts. Automaton has 22875 states and 63072 transitions. Word has length 199 [2022-03-15 13:55:12,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:55:12,314 INFO L470 AbstractCegarLoop]: Abstraction has 22875 states and 63072 transitions. [2022-03-15 13:55:12,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:12,314 INFO L276 IsEmpty]: Start isEmpty. Operand 22875 states and 63072 transitions. [2022-03-15 13:55:12,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:55:12,341 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:55:12,341 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:55:12,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2022-03-15 13:55:12,341 INFO L402 AbstractCegarLoop]: === Iteration 121 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:55:12,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:55:12,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1171528667, now seen corresponding path program 97 times [2022-03-15 13:55:12,341 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:55:12,341 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030920410] [2022-03-15 13:55:12,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:55:12,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:55:12,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:55:12,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:55:12,619 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:55:12,619 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030920410] [2022-03-15 13:55:12,619 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030920410] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:55:12,619 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:55:12,619 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:55:12,619 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238226724] [2022-03-15 13:55:12,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:55:12,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:55:12,619 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:55:12,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:55:12,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:55:12,620 INFO L87 Difference]: Start difference. First operand 22875 states and 63072 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:15,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:55:15,611 INFO L93 Difference]: Finished difference Result 44169 states and 120638 transitions. [2022-03-15 13:55:15,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-15 13:55:15,612 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:55:15,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:55:15,693 INFO L225 Difference]: With dead ends: 44169 [2022-03-15 13:55:15,693 INFO L226 Difference]: Without dead ends: 44169 [2022-03-15 13:55:15,694 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1383 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=795, Invalid=6011, Unknown=0, NotChecked=0, Total=6806 [2022-03-15 13:55:15,694 INFO L933 BasicCegarLoop]: 1108 mSDtfsCounter, 2236 mSDsluCounter, 23793 mSDsCounter, 0 mSdLazyCounter, 5281 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2236 SdHoareTripleChecker+Valid, 24567 SdHoareTripleChecker+Invalid, 5304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:55:15,694 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2236 Valid, 24567 Invalid, 5304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5281 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:55:15,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44169 states. [2022-03-15 13:55:16,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44169 to 22811. [2022-03-15 13:55:16,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22811 states, 22810 states have (on average 2.7559842174484874) internal successors, (62864), 22810 states have internal predecessors, (62864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:16,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22811 states to 22811 states and 62864 transitions. [2022-03-15 13:55:16,222 INFO L78 Accepts]: Start accepts. Automaton has 22811 states and 62864 transitions. Word has length 199 [2022-03-15 13:55:16,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:55:16,222 INFO L470 AbstractCegarLoop]: Abstraction has 22811 states and 62864 transitions. [2022-03-15 13:55:16,222 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:16,222 INFO L276 IsEmpty]: Start isEmpty. Operand 22811 states and 62864 transitions. [2022-03-15 13:55:16,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:55:16,251 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:55:16,251 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:55:16,251 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2022-03-15 13:55:16,251 INFO L402 AbstractCegarLoop]: === Iteration 122 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:55:16,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:55:16,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1200301259, now seen corresponding path program 98 times [2022-03-15 13:55:16,251 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:55:16,251 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989653449] [2022-03-15 13:55:16,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:55:16,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:55:16,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:55:16,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:55:16,554 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:55:16,554 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989653449] [2022-03-15 13:55:16,554 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989653449] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:55:16,554 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:55:16,555 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:55:16,555 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214703836] [2022-03-15 13:55:16,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:55:16,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:55:16,555 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:55:16,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:55:16,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:55:16,555 INFO L87 Difference]: Start difference. First operand 22811 states and 62864 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:19,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:55:19,414 INFO L93 Difference]: Finished difference Result 42311 states and 115853 transitions. [2022-03-15 13:55:19,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-15 13:55:19,414 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:55:19,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:55:19,492 INFO L225 Difference]: With dead ends: 42311 [2022-03-15 13:55:19,492 INFO L226 Difference]: Without dead ends: 42311 [2022-03-15 13:55:19,493 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1093 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=690, Invalid=5162, Unknown=0, NotChecked=0, Total=5852 [2022-03-15 13:55:19,493 INFO L933 BasicCegarLoop]: 1103 mSDtfsCounter, 1966 mSDsluCounter, 23332 mSDsCounter, 0 mSdLazyCounter, 5245 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1966 SdHoareTripleChecker+Valid, 24118 SdHoareTripleChecker+Invalid, 5264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:55:19,493 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1966 Valid, 24118 Invalid, 5264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5245 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:55:19,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42311 states. [2022-03-15 13:55:19,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42311 to 22763. [2022-03-15 13:55:19,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22763 states, 22762 states have (on average 2.7554696423864335) internal successors, (62720), 22762 states have internal predecessors, (62720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:20,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22763 states to 22763 states and 62720 transitions. [2022-03-15 13:55:20,030 INFO L78 Accepts]: Start accepts. Automaton has 22763 states and 62720 transitions. Word has length 199 [2022-03-15 13:55:20,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:55:20,030 INFO L470 AbstractCegarLoop]: Abstraction has 22763 states and 62720 transitions. [2022-03-15 13:55:20,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:20,030 INFO L276 IsEmpty]: Start isEmpty. Operand 22763 states and 62720 transitions. [2022-03-15 13:55:20,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:55:20,059 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:55:20,059 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:55:20,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2022-03-15 13:55:20,059 INFO L402 AbstractCegarLoop]: === Iteration 123 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:55:20,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:55:20,060 INFO L85 PathProgramCache]: Analyzing trace with hash 400985641, now seen corresponding path program 99 times [2022-03-15 13:55:20,060 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:55:20,060 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816564654] [2022-03-15 13:55:20,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:55:20,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:55:20,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:55:20,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:55:20,344 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:55:20,344 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816564654] [2022-03-15 13:55:20,344 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816564654] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:55:20,344 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:55:20,344 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:55:20,345 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150026895] [2022-03-15 13:55:20,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:55:20,345 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:55:20,345 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:55:20,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:55:20,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:55:20,345 INFO L87 Difference]: Start difference. First operand 22763 states and 62720 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:23,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:55:23,202 INFO L93 Difference]: Finished difference Result 43669 states and 119245 transitions. [2022-03-15 13:55:23,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-15 13:55:23,202 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:55:23,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:55:23,284 INFO L225 Difference]: With dead ends: 43669 [2022-03-15 13:55:23,284 INFO L226 Difference]: Without dead ends: 43669 [2022-03-15 13:55:23,285 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1092 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=690, Invalid=5162, Unknown=0, NotChecked=0, Total=5852 [2022-03-15 13:55:23,285 INFO L933 BasicCegarLoop]: 1116 mSDtfsCounter, 2022 mSDsluCounter, 23612 mSDsCounter, 0 mSdLazyCounter, 5170 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2022 SdHoareTripleChecker+Valid, 24408 SdHoareTripleChecker+Invalid, 5189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:55:23,285 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2022 Valid, 24408 Invalid, 5189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5170 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:55:23,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43669 states. [2022-03-15 13:55:23,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43669 to 22747. [2022-03-15 13:55:23,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22747 states, 22746 states have (on average 2.755297634748967) internal successors, (62672), 22746 states have internal predecessors, (62672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:23,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22747 states to 22747 states and 62672 transitions. [2022-03-15 13:55:23,822 INFO L78 Accepts]: Start accepts. Automaton has 22747 states and 62672 transitions. Word has length 199 [2022-03-15 13:55:23,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:55:23,823 INFO L470 AbstractCegarLoop]: Abstraction has 22747 states and 62672 transitions. [2022-03-15 13:55:23,823 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:23,823 INFO L276 IsEmpty]: Start isEmpty. Operand 22747 states and 62672 transitions. [2022-03-15 13:55:23,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:55:23,851 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:55:23,852 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:55:23,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2022-03-15 13:55:23,852 INFO L402 AbstractCegarLoop]: === Iteration 124 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:55:23,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:55:23,852 INFO L85 PathProgramCache]: Analyzing trace with hash -200245677, now seen corresponding path program 100 times [2022-03-15 13:55:23,852 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:55:23,852 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431348064] [2022-03-15 13:55:23,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:55:23,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:55:23,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:55:24,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:55:24,137 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:55:24,137 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431348064] [2022-03-15 13:55:24,137 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431348064] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:55:24,137 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:55:24,137 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:55:24,138 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74954395] [2022-03-15 13:55:24,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:55:24,138 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:55:24,138 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:55:24,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:55:24,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:55:24,138 INFO L87 Difference]: Start difference. First operand 22747 states and 62672 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:26,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:55:26,994 INFO L93 Difference]: Finished difference Result 44912 states and 122417 transitions. [2022-03-15 13:55:26,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-15 13:55:26,994 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:55:26,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:55:27,075 INFO L225 Difference]: With dead ends: 44912 [2022-03-15 13:55:27,076 INFO L226 Difference]: Without dead ends: 44912 [2022-03-15 13:55:27,076 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1091 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=687, Invalid=5165, Unknown=0, NotChecked=0, Total=5852 [2022-03-15 13:55:27,077 INFO L933 BasicCegarLoop]: 1153 mSDtfsCounter, 1992 mSDsluCounter, 24323 mSDsCounter, 0 mSdLazyCounter, 5165 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1992 SdHoareTripleChecker+Valid, 25138 SdHoareTripleChecker+Invalid, 5184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 13:55:27,077 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1992 Valid, 25138 Invalid, 5184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5165 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 13:55:27,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44912 states. [2022-03-15 13:55:27,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44912 to 22539. [2022-03-15 13:55:27,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22539 states, 22538 states have (on average 2.753039311385216) internal successors, (62048), 22538 states have internal predecessors, (62048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:27,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22539 states to 22539 states and 62048 transitions. [2022-03-15 13:55:27,617 INFO L78 Accepts]: Start accepts. Automaton has 22539 states and 62048 transitions. Word has length 199 [2022-03-15 13:55:27,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:55:27,617 INFO L470 AbstractCegarLoop]: Abstraction has 22539 states and 62048 transitions. [2022-03-15 13:55:27,618 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:27,618 INFO L276 IsEmpty]: Start isEmpty. Operand 22539 states and 62048 transitions. [2022-03-15 13:55:27,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:55:27,646 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:55:27,646 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:55:27,646 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2022-03-15 13:55:27,646 INFO L402 AbstractCegarLoop]: === Iteration 125 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:55:27,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:55:27,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1729767825, now seen corresponding path program 101 times [2022-03-15 13:55:27,646 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:55:27,646 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496120853] [2022-03-15 13:55:27,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:55:27,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:55:27,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:55:27,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:55:27,925 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:55:27,925 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496120853] [2022-03-15 13:55:27,926 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496120853] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:55:27,926 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:55:27,926 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:55:27,926 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246863969] [2022-03-15 13:55:27,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:55:27,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:55:27,926 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:55:27,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:55:27,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:55:27,926 INFO L87 Difference]: Start difference. First operand 22539 states and 62048 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:30,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:55:30,609 INFO L93 Difference]: Finished difference Result 40481 states and 110309 transitions. [2022-03-15 13:55:30,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-15 13:55:30,609 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:55:30,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:55:30,684 INFO L225 Difference]: With dead ends: 40481 [2022-03-15 13:55:30,684 INFO L226 Difference]: Without dead ends: 40481 [2022-03-15 13:55:30,685 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 965 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=633, Invalid=4769, Unknown=0, NotChecked=0, Total=5402 [2022-03-15 13:55:30,685 INFO L933 BasicCegarLoop]: 1109 mSDtfsCounter, 1897 mSDsluCounter, 23488 mSDsCounter, 0 mSdLazyCounter, 4919 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1897 SdHoareTripleChecker+Valid, 24260 SdHoareTripleChecker+Invalid, 4938 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:55:30,685 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1897 Valid, 24260 Invalid, 4938 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4919 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:55:30,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40481 states. [2022-03-15 13:55:31,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40481 to 22511. [2022-03-15 13:55:31,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22511 states, 22510 states have (on average 2.7528653931585962) internal successors, (61967), 22510 states have internal predecessors, (61967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:31,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22511 states to 22511 states and 61967 transitions. [2022-03-15 13:55:31,203 INFO L78 Accepts]: Start accepts. Automaton has 22511 states and 61967 transitions. Word has length 199 [2022-03-15 13:55:31,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:55:31,203 INFO L470 AbstractCegarLoop]: Abstraction has 22511 states and 61967 transitions. [2022-03-15 13:55:31,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:31,204 INFO L276 IsEmpty]: Start isEmpty. Operand 22511 states and 61967 transitions. [2022-03-15 13:55:31,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:55:31,233 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:55:31,234 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:55:31,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2022-03-15 13:55:31,234 INFO L402 AbstractCegarLoop]: === Iteration 126 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:55:31,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:55:31,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1254609193, now seen corresponding path program 102 times [2022-03-15 13:55:31,234 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:55:31,234 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589447355] [2022-03-15 13:55:31,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:55:31,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:55:31,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:55:31,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:55:31,524 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:55:31,524 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589447355] [2022-03-15 13:55:31,524 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589447355] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:55:31,524 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:55:31,524 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:55:31,524 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906160920] [2022-03-15 13:55:31,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:55:31,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:55:31,524 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:55:31,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:55:31,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:55:31,525 INFO L87 Difference]: Start difference. First operand 22511 states and 61967 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:34,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:55:34,531 INFO L93 Difference]: Finished difference Result 44816 states and 122126 transitions. [2022-03-15 13:55:34,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-15 13:55:34,532 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:55:34,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:55:34,614 INFO L225 Difference]: With dead ends: 44816 [2022-03-15 13:55:34,614 INFO L226 Difference]: Without dead ends: 44816 [2022-03-15 13:55:34,615 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1272 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=761, Invalid=5719, Unknown=0, NotChecked=0, Total=6480 [2022-03-15 13:55:34,615 INFO L933 BasicCegarLoop]: 1051 mSDtfsCounter, 2226 mSDsluCounter, 23031 mSDsCounter, 0 mSdLazyCounter, 5239 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2226 SdHoareTripleChecker+Valid, 23682 SdHoareTripleChecker+Invalid, 5262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 13:55:34,615 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2226 Valid, 23682 Invalid, 5262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5239 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 13:55:34,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44816 states. [2022-03-15 13:55:35,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44816 to 23051. [2022-03-15 13:55:35,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23051 states, 23050 states have (on average 2.7571366594360085) internal successors, (63552), 23050 states have internal predecessors, (63552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:35,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23051 states to 23051 states and 63552 transitions. [2022-03-15 13:55:35,141 INFO L78 Accepts]: Start accepts. Automaton has 23051 states and 63552 transitions. Word has length 199 [2022-03-15 13:55:35,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:55:35,141 INFO L470 AbstractCegarLoop]: Abstraction has 23051 states and 63552 transitions. [2022-03-15 13:55:35,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:35,142 INFO L276 IsEmpty]: Start isEmpty. Operand 23051 states and 63552 transitions. [2022-03-15 13:55:35,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:55:35,170 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:55:35,170 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:55:35,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2022-03-15 13:55:35,170 INFO L402 AbstractCegarLoop]: === Iteration 127 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:55:35,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:55:35,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1018560061, now seen corresponding path program 103 times [2022-03-15 13:55:35,170 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:55:35,171 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409260207] [2022-03-15 13:55:35,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:55:35,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:55:35,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:55:35,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:55:35,451 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:55:35,451 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409260207] [2022-03-15 13:55:35,451 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409260207] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:55:35,451 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:55:35,451 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:55:35,451 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108837447] [2022-03-15 13:55:35,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:55:35,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:55:35,452 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:55:35,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:55:35,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:55:35,452 INFO L87 Difference]: Start difference. First operand 23051 states and 63552 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:38,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:55:38,311 INFO L93 Difference]: Finished difference Result 42969 states and 117483 transitions. [2022-03-15 13:55:38,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-15 13:55:38,312 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:55:38,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:55:38,387 INFO L225 Difference]: With dead ends: 42969 [2022-03-15 13:55:38,387 INFO L226 Difference]: Without dead ends: 42969 [2022-03-15 13:55:38,388 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1395 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=760, Invalid=6046, Unknown=0, NotChecked=0, Total=6806 [2022-03-15 13:55:38,388 INFO L933 BasicCegarLoop]: 1057 mSDtfsCounter, 2185 mSDsluCounter, 22886 mSDsCounter, 0 mSdLazyCounter, 5058 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2185 SdHoareTripleChecker+Valid, 23672 SdHoareTripleChecker+Invalid, 5081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:55:38,388 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2185 Valid, 23672 Invalid, 5081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5058 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:55:38,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42969 states. [2022-03-15 13:55:38,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42969 to 22987. [2022-03-15 13:55:38,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22987 states, 22986 states have (on average 2.7557643783172368) internal successors, (63344), 22986 states have internal predecessors, (63344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:38,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22987 states to 22987 states and 63344 transitions. [2022-03-15 13:55:38,885 INFO L78 Accepts]: Start accepts. Automaton has 22987 states and 63344 transitions. Word has length 199 [2022-03-15 13:55:38,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:55:38,885 INFO L470 AbstractCegarLoop]: Abstraction has 22987 states and 63344 transitions. [2022-03-15 13:55:38,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:38,886 INFO L276 IsEmpty]: Start isEmpty. Operand 22987 states and 63344 transitions. [2022-03-15 13:55:38,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:55:38,914 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:55:38,914 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:55:38,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2022-03-15 13:55:38,915 INFO L402 AbstractCegarLoop]: === Iteration 128 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:55:38,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:55:38,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1353269865, now seen corresponding path program 104 times [2022-03-15 13:55:38,915 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:55:38,915 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734911146] [2022-03-15 13:55:38,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:55:38,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:55:38,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:55:39,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:55:39,203 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:55:39,203 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734911146] [2022-03-15 13:55:39,203 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734911146] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:55:39,203 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:55:39,203 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:55:39,203 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576016198] [2022-03-15 13:55:39,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:55:39,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:55:39,205 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:55:39,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:55:39,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:55:39,206 INFO L87 Difference]: Start difference. First operand 22987 states and 63344 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:41,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:55:41,999 INFO L93 Difference]: Finished difference Result 41111 states and 112698 transitions. [2022-03-15 13:55:41,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-15 13:55:41,999 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:55:41,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:55:42,073 INFO L225 Difference]: With dead ends: 41111 [2022-03-15 13:55:42,074 INFO L226 Difference]: Without dead ends: 41111 [2022-03-15 13:55:42,075 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1101 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=665, Invalid=5187, Unknown=0, NotChecked=0, Total=5852 [2022-03-15 13:55:42,075 INFO L933 BasicCegarLoop]: 1052 mSDtfsCounter, 1915 mSDsluCounter, 22523 mSDsCounter, 0 mSdLazyCounter, 5014 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1915 SdHoareTripleChecker+Valid, 23315 SdHoareTripleChecker+Invalid, 5033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5014 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:55:42,075 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1915 Valid, 23315 Invalid, 5033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5014 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:55:42,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41111 states. [2022-03-15 13:55:42,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41111 to 22939. [2022-03-15 13:55:42,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22939 states, 22938 states have (on average 2.7552532914813845) internal successors, (63200), 22938 states have internal predecessors, (63200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:42,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22939 states to 22939 states and 63200 transitions. [2022-03-15 13:55:42,563 INFO L78 Accepts]: Start accepts. Automaton has 22939 states and 63200 transitions. Word has length 199 [2022-03-15 13:55:42,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:55:42,563 INFO L470 AbstractCegarLoop]: Abstraction has 22939 states and 63200 transitions. [2022-03-15 13:55:42,563 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:42,563 INFO L276 IsEmpty]: Start isEmpty. Operand 22939 states and 63200 transitions. [2022-03-15 13:55:42,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:55:42,591 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:55:42,645 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:55:42,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2022-03-15 13:55:42,645 INFO L402 AbstractCegarLoop]: === Iteration 129 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:55:42,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:55:42,646 INFO L85 PathProgramCache]: Analyzing trace with hash 248017035, now seen corresponding path program 105 times [2022-03-15 13:55:42,646 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:55:42,646 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651864126] [2022-03-15 13:55:42,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:55:42,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:55:42,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:55:42,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:55:42,922 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:55:42,922 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651864126] [2022-03-15 13:55:42,922 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651864126] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:55:42,922 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:55:42,922 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:55:42,922 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209643854] [2022-03-15 13:55:42,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:55:42,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:55:42,923 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:55:42,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:55:42,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:55:42,923 INFO L87 Difference]: Start difference. First operand 22939 states and 63200 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:45,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:55:45,598 INFO L93 Difference]: Finished difference Result 42469 states and 116090 transitions. [2022-03-15 13:55:45,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-15 13:55:45,598 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:55:45,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:55:45,671 INFO L225 Difference]: With dead ends: 42469 [2022-03-15 13:55:45,672 INFO L226 Difference]: Without dead ends: 42469 [2022-03-15 13:55:45,672 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1102 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=662, Invalid=5190, Unknown=0, NotChecked=0, Total=5852 [2022-03-15 13:55:45,673 INFO L933 BasicCegarLoop]: 1065 mSDtfsCounter, 1971 mSDsluCounter, 22813 mSDsCounter, 0 mSdLazyCounter, 4932 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1971 SdHoareTripleChecker+Valid, 23616 SdHoareTripleChecker+Invalid, 4951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4932 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:55:45,673 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1971 Valid, 23616 Invalid, 4951 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4932 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:55:45,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42469 states. [2022-03-15 13:55:46,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42469 to 22923. [2022-03-15 13:55:46,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22923 states, 22922 states have (on average 2.7550824535380856) internal successors, (63152), 22922 states have internal predecessors, (63152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:46,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22923 states to 22923 states and 63152 transitions. [2022-03-15 13:55:46,176 INFO L78 Accepts]: Start accepts. Automaton has 22923 states and 63152 transitions. Word has length 199 [2022-03-15 13:55:46,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:55:46,177 INFO L470 AbstractCegarLoop]: Abstraction has 22923 states and 63152 transitions. [2022-03-15 13:55:46,177 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:46,177 INFO L276 IsEmpty]: Start isEmpty. Operand 22923 states and 63152 transitions. [2022-03-15 13:55:46,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:55:46,205 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:55:46,205 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:55:46,205 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2022-03-15 13:55:46,205 INFO L402 AbstractCegarLoop]: === Iteration 130 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:55:46,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:55:46,205 INFO L85 PathProgramCache]: Analyzing trace with hash -353214283, now seen corresponding path program 106 times [2022-03-15 13:55:46,205 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:55:46,206 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390447191] [2022-03-15 13:55:46,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:55:46,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:55:46,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:55:46,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:55:46,504 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:55:46,504 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390447191] [2022-03-15 13:55:46,504 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390447191] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:55:46,504 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:55:46,504 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:55:46,504 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427858848] [2022-03-15 13:55:46,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:55:46,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:55:46,504 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:55:46,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:55:46,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:55:46,505 INFO L87 Difference]: Start difference. First operand 22923 states and 63152 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:49,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:55:49,159 INFO L93 Difference]: Finished difference Result 41462 states and 113232 transitions. [2022-03-15 13:55:49,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-15 13:55:49,160 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:55:49,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:55:49,235 INFO L225 Difference]: With dead ends: 41462 [2022-03-15 13:55:49,235 INFO L226 Difference]: Without dead ends: 41462 [2022-03-15 13:55:49,236 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1018 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=622, Invalid=4928, Unknown=0, NotChecked=0, Total=5550 [2022-03-15 13:55:49,236 INFO L933 BasicCegarLoop]: 1112 mSDtfsCounter, 1821 mSDsluCounter, 23746 mSDsCounter, 0 mSdLazyCounter, 4961 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1821 SdHoareTripleChecker+Valid, 24577 SdHoareTripleChecker+Invalid, 4980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:55:49,236 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1821 Valid, 24577 Invalid, 4980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4961 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:55:49,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41462 states. [2022-03-15 13:55:49,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41462 to 22715. [2022-03-15 13:55:49,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22715 states, 22714 states have (on average 2.7528396583604824) internal successors, (62528), 22714 states have internal predecessors, (62528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:49,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22715 states to 22715 states and 62528 transitions. [2022-03-15 13:55:49,765 INFO L78 Accepts]: Start accepts. Automaton has 22715 states and 62528 transitions. Word has length 199 [2022-03-15 13:55:49,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:55:49,765 INFO L470 AbstractCegarLoop]: Abstraction has 22715 states and 62528 transitions. [2022-03-15 13:55:49,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:49,765 INFO L276 IsEmpty]: Start isEmpty. Operand 22715 states and 62528 transitions. [2022-03-15 13:55:49,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:55:49,794 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:55:49,794 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:55:49,794 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2022-03-15 13:55:49,794 INFO L402 AbstractCegarLoop]: === Iteration 131 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:55:49,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:55:49,794 INFO L85 PathProgramCache]: Analyzing trace with hash 340385625, now seen corresponding path program 107 times [2022-03-15 13:55:49,794 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:55:49,794 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394219345] [2022-03-15 13:55:49,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:55:49,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:55:49,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:55:50,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:55:50,076 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:55:50,076 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394219345] [2022-03-15 13:55:50,076 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394219345] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:55:50,076 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:55:50,076 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:55:50,076 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035325684] [2022-03-15 13:55:50,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:55:50,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:55:50,077 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:55:50,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:55:50,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:55:50,077 INFO L87 Difference]: Start difference. First operand 22715 states and 62528 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:52,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:55:52,610 INFO L93 Difference]: Finished difference Result 38471 states and 105059 transitions. [2022-03-15 13:55:52,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-03-15 13:55:52,610 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:55:52,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:55:52,675 INFO L225 Difference]: With dead ends: 38471 [2022-03-15 13:55:52,675 INFO L226 Difference]: Without dead ends: 38471 [2022-03-15 13:55:52,676 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 878 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=623, Invalid=4489, Unknown=0, NotChecked=0, Total=5112 [2022-03-15 13:55:52,676 INFO L933 BasicCegarLoop]: 931 mSDtfsCounter, 1863 mSDsluCounter, 20163 mSDsCounter, 0 mSdLazyCounter, 4702 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1863 SdHoareTripleChecker+Valid, 20824 SdHoareTripleChecker+Invalid, 4725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:55:52,676 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1863 Valid, 20824 Invalid, 4725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4702 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:55:52,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38471 states. [2022-03-15 13:55:53,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38471 to 22875. [2022-03-15 13:55:53,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22875 states, 22874 states have (on average 2.75474337675964) internal successors, (63012), 22874 states have internal predecessors, (63012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:53,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22875 states to 22875 states and 63012 transitions. [2022-03-15 13:55:53,179 INFO L78 Accepts]: Start accepts. Automaton has 22875 states and 63012 transitions. Word has length 199 [2022-03-15 13:55:53,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:55:53,179 INFO L470 AbstractCegarLoop]: Abstraction has 22875 states and 63012 transitions. [2022-03-15 13:55:53,179 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:53,180 INFO L276 IsEmpty]: Start isEmpty. Operand 22875 states and 63012 transitions. [2022-03-15 13:55:53,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:55:53,209 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:55:53,209 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:55:53,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2022-03-15 13:55:53,209 INFO L402 AbstractCegarLoop]: === Iteration 132 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:55:53,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:55:53,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1681412417, now seen corresponding path program 108 times [2022-03-15 13:55:53,210 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:55:53,210 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131400530] [2022-03-15 13:55:53,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:55:53,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:55:53,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:55:53,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:55:53,497 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:55:53,497 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131400530] [2022-03-15 13:55:53,497 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131400530] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:55:53,497 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:55:53,497 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:55:53,497 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643022873] [2022-03-15 13:55:53,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:55:53,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:55:53,497 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:55:53,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:55:53,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:55:53,498 INFO L87 Difference]: Start difference. First operand 22875 states and 63012 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:56,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:55:56,083 INFO L93 Difference]: Finished difference Result 37567 states and 102859 transitions. [2022-03-15 13:55:56,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-15 13:55:56,083 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:55:56,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:55:56,146 INFO L225 Difference]: With dead ends: 37567 [2022-03-15 13:55:56,146 INFO L226 Difference]: Without dead ends: 37567 [2022-03-15 13:55:56,147 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1010 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=643, Invalid=4907, Unknown=0, NotChecked=0, Total=5550 [2022-03-15 13:55:56,147 INFO L933 BasicCegarLoop]: 955 mSDtfsCounter, 1834 mSDsluCounter, 20406 mSDsCounter, 0 mSdLazyCounter, 4688 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1834 SdHoareTripleChecker+Valid, 21202 SdHoareTripleChecker+Invalid, 4711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:55:56,148 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1834 Valid, 21202 Invalid, 4711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4688 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:55:56,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37567 states. [2022-03-15 13:55:56,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37567 to 22811. [2022-03-15 13:55:56,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22811 states, 22810 states have (on average 2.753353792196405) internal successors, (62804), 22810 states have internal predecessors, (62804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:56,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22811 states to 22811 states and 62804 transitions. [2022-03-15 13:55:56,615 INFO L78 Accepts]: Start accepts. Automaton has 22811 states and 62804 transitions. Word has length 199 [2022-03-15 13:55:56,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:55:56,616 INFO L470 AbstractCegarLoop]: Abstraction has 22811 states and 62804 transitions. [2022-03-15 13:55:56,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:56,616 INFO L276 IsEmpty]: Start isEmpty. Operand 22811 states and 62804 transitions. [2022-03-15 13:55:56,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:55:56,643 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:55:56,643 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:55:56,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2022-03-15 13:55:56,644 INFO L402 AbstractCegarLoop]: === Iteration 133 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:55:56,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:55:56,644 INFO L85 PathProgramCache]: Analyzing trace with hash -2058609641, now seen corresponding path program 109 times [2022-03-15 13:55:56,644 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:55:56,644 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244171187] [2022-03-15 13:55:56,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:55:56,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:55:56,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:55:56,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:55:56,926 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:55:56,926 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244171187] [2022-03-15 13:55:56,926 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244171187] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:55:56,926 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:55:56,927 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:55:56,927 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736611422] [2022-03-15 13:55:56,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:55:56,927 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:55:56,927 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:55:56,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:55:56,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:55:56,927 INFO L87 Difference]: Start difference. First operand 22811 states and 62804 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:59,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:55:59,310 INFO L93 Difference]: Finished difference Result 35372 states and 96686 transitions. [2022-03-15 13:55:59,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-15 13:55:59,311 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:55:59,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:55:59,371 INFO L225 Difference]: With dead ends: 35372 [2022-03-15 13:55:59,371 INFO L226 Difference]: Without dead ends: 35372 [2022-03-15 13:55:59,372 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 720 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=577, Invalid=3979, Unknown=0, NotChecked=0, Total=4556 [2022-03-15 13:55:59,372 INFO L933 BasicCegarLoop]: 910 mSDtfsCounter, 1627 mSDsluCounter, 19553 mSDsCounter, 0 mSdLazyCounter, 4429 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1627 SdHoareTripleChecker+Valid, 20214 SdHoareTripleChecker+Invalid, 4448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 13:55:59,372 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1627 Valid, 20214 Invalid, 4448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4429 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 13:55:59,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35372 states. [2022-03-15 13:55:59,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35372 to 22763. [2022-03-15 13:55:59,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22763 states, 22762 states have (on average 2.7528336701520075) internal successors, (62660), 22762 states have internal predecessors, (62660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:59,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22763 states to 22763 states and 62660 transitions. [2022-03-15 13:55:59,849 INFO L78 Accepts]: Start accepts. Automaton has 22763 states and 62660 transitions. Word has length 199 [2022-03-15 13:55:59,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:55:59,849 INFO L470 AbstractCegarLoop]: Abstraction has 22763 states and 62660 transitions. [2022-03-15 13:55:59,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:55:59,849 INFO L276 IsEmpty]: Start isEmpty. Operand 22763 states and 62660 transitions. [2022-03-15 13:55:59,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:55:59,878 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:55:59,878 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:55:59,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2022-03-15 13:55:59,878 INFO L402 AbstractCegarLoop]: === Iteration 134 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:55:59,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:55:59,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1695902953, now seen corresponding path program 110 times [2022-03-15 13:55:59,878 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:55:59,878 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421180342] [2022-03-15 13:55:59,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:55:59,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:55:59,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:56:00,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:56:00,168 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:56:00,168 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421180342] [2022-03-15 13:56:00,168 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421180342] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:56:00,168 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:56:00,168 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:56:00,169 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726921577] [2022-03-15 13:56:00,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:56:00,169 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:56:00,169 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:56:00,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:56:00,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:56:00,169 INFO L87 Difference]: Start difference. First operand 22763 states and 62660 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:56:02,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:56:02,923 INFO L93 Difference]: Finished difference Result 39063 states and 106649 transitions. [2022-03-15 13:56:02,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-15 13:56:02,923 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:56:02,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:56:02,987 INFO L225 Difference]: With dead ends: 39063 [2022-03-15 13:56:02,987 INFO L226 Difference]: Without dead ends: 39063 [2022-03-15 13:56:02,988 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1010 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=647, Invalid=4903, Unknown=0, NotChecked=0, Total=5550 [2022-03-15 13:56:02,988 INFO L933 BasicCegarLoop]: 968 mSDtfsCounter, 1849 mSDsluCounter, 21042 mSDsCounter, 0 mSdLazyCounter, 4905 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1849 SdHoareTripleChecker+Valid, 21696 SdHoareTripleChecker+Invalid, 4928 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:56:02,988 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1849 Valid, 21696 Invalid, 4928 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4905 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:56:03,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39063 states. [2022-03-15 13:56:03,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39063 to 22875. [2022-03-15 13:56:03,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22875 states, 22874 states have (on average 2.75474337675964) internal successors, (63012), 22874 states have internal predecessors, (63012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:56:03,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22875 states to 22875 states and 63012 transitions. [2022-03-15 13:56:03,458 INFO L78 Accepts]: Start accepts. Automaton has 22875 states and 63012 transitions. Word has length 199 [2022-03-15 13:56:03,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:56:03,458 INFO L470 AbstractCegarLoop]: Abstraction has 22875 states and 63012 transitions. [2022-03-15 13:56:03,458 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:56:03,458 INFO L276 IsEmpty]: Start isEmpty. Operand 22875 states and 63012 transitions. [2022-03-15 13:56:03,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:56:03,487 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:56:03,487 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:56:03,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2022-03-15 13:56:03,487 INFO L402 AbstractCegarLoop]: === Iteration 135 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:56:03,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:56:03,487 INFO L85 PathProgramCache]: Analyzing trace with hash 577266301, now seen corresponding path program 111 times [2022-03-15 13:56:03,487 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:56:03,488 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960714806] [2022-03-15 13:56:03,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:56:03,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:56:03,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:56:03,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:56:03,774 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:56:03,774 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960714806] [2022-03-15 13:56:03,774 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960714806] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:56:03,774 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:56:03,775 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:56:03,775 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11082081] [2022-03-15 13:56:03,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:56:03,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:56:03,775 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:56:03,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:56:03,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:56:03,775 INFO L87 Difference]: Start difference. First operand 22875 states and 63012 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:56:06,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:56:06,412 INFO L93 Difference]: Finished difference Result 38051 states and 104181 transitions. [2022-03-15 13:56:06,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-15 13:56:06,412 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:56:06,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:56:06,480 INFO L225 Difference]: With dead ends: 38051 [2022-03-15 13:56:06,480 INFO L226 Difference]: Without dead ends: 38051 [2022-03-15 13:56:06,481 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1108 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=653, Invalid=5199, Unknown=0, NotChecked=0, Total=5852 [2022-03-15 13:56:06,481 INFO L933 BasicCegarLoop]: 1012 mSDtfsCounter, 1843 mSDsluCounter, 21714 mSDsCounter, 0 mSdLazyCounter, 4863 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1843 SdHoareTripleChecker+Valid, 22504 SdHoareTripleChecker+Invalid, 4886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4863 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:56:06,481 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1843 Valid, 22504 Invalid, 4886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4863 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:56:06,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38051 states. [2022-03-15 13:56:06,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38051 to 22811. [2022-03-15 13:56:06,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22811 states, 22810 states have (on average 2.753353792196405) internal successors, (62804), 22810 states have internal predecessors, (62804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:56:06,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22811 states to 22811 states and 62804 transitions. [2022-03-15 13:56:06,994 INFO L78 Accepts]: Start accepts. Automaton has 22811 states and 62804 transitions. Word has length 199 [2022-03-15 13:56:06,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:56:06,994 INFO L470 AbstractCegarLoop]: Abstraction has 22811 states and 62804 transitions. [2022-03-15 13:56:06,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:56:06,994 INFO L276 IsEmpty]: Start isEmpty. Operand 22811 states and 62804 transitions. [2022-03-15 13:56:07,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:56:07,025 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:56:07,025 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:56:07,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2022-03-15 13:56:07,025 INFO L402 AbstractCegarLoop]: === Iteration 136 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:56:07,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:56:07,025 INFO L85 PathProgramCache]: Analyzing trace with hash 926720185, now seen corresponding path program 112 times [2022-03-15 13:56:07,025 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:56:07,025 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081871282] [2022-03-15 13:56:07,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:56:07,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:56:07,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:56:07,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:56:07,327 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:56:07,327 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081871282] [2022-03-15 13:56:07,327 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081871282] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:56:07,327 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:56:07,327 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:56:07,327 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011651054] [2022-03-15 13:56:07,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:56:07,327 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:56:07,327 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:56:07,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:56:07,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:56:07,328 INFO L87 Difference]: Start difference. First operand 22811 states and 62804 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:56:09,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:56:09,779 INFO L93 Difference]: Finished difference Result 34792 states and 95378 transitions. [2022-03-15 13:56:09,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-03-15 13:56:09,781 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:56:09,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:56:09,841 INFO L225 Difference]: With dead ends: 34792 [2022-03-15 13:56:09,841 INFO L226 Difference]: Without dead ends: 34792 [2022-03-15 13:56:09,842 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 854 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=570, Invalid=4400, Unknown=0, NotChecked=0, Total=4970 [2022-03-15 13:56:09,842 INFO L933 BasicCegarLoop]: 956 mSDtfsCounter, 1581 mSDsluCounter, 20400 mSDsCounter, 0 mSdLazyCounter, 4654 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1581 SdHoareTripleChecker+Valid, 21159 SdHoareTripleChecker+Invalid, 4673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 13:56:09,842 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1581 Valid, 21159 Invalid, 4673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4654 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 13:56:09,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34792 states. [2022-03-15 13:56:10,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34792 to 22727. [2022-03-15 13:56:10,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22727 states, 22726 states have (on average 2.7528381589369006) internal successors, (62561), 22726 states have internal predecessors, (62561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:56:10,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22727 states to 22727 states and 62561 transitions. [2022-03-15 13:56:10,276 INFO L78 Accepts]: Start accepts. Automaton has 22727 states and 62561 transitions. Word has length 199 [2022-03-15 13:56:10,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:56:10,277 INFO L470 AbstractCegarLoop]: Abstraction has 22727 states and 62561 transitions. [2022-03-15 13:56:10,277 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:56:10,277 INFO L276 IsEmpty]: Start isEmpty. Operand 22727 states and 62561 transitions. [2022-03-15 13:56:10,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:56:10,334 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:56:10,334 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:56:10,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2022-03-15 13:56:10,334 INFO L402 AbstractCegarLoop]: === Iteration 137 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:56:10,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:56:10,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1020121885, now seen corresponding path program 113 times [2022-03-15 13:56:10,335 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:56:10,335 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565764136] [2022-03-15 13:56:10,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:56:10,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:56:10,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:56:10,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:56:10,615 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:56:10,615 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565764136] [2022-03-15 13:56:10,615 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565764136] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:56:10,616 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:56:10,616 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:56:10,616 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624464852] [2022-03-15 13:56:10,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:56:10,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:56:10,616 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:56:10,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:56:10,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:56:10,616 INFO L87 Difference]: Start difference. First operand 22727 states and 62561 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:56:13,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:56:13,498 INFO L93 Difference]: Finished difference Result 43109 states and 117525 transitions. [2022-03-15 13:56:13,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-15 13:56:13,498 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:56:13,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:56:13,574 INFO L225 Difference]: With dead ends: 43109 [2022-03-15 13:56:13,574 INFO L226 Difference]: Without dead ends: 43109 [2022-03-15 13:56:13,575 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1139 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=701, Invalid=5305, Unknown=0, NotChecked=0, Total=6006 [2022-03-15 13:56:13,576 INFO L933 BasicCegarLoop]: 1029 mSDtfsCounter, 2030 mSDsluCounter, 22437 mSDsCounter, 0 mSdLazyCounter, 5203 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2030 SdHoareTripleChecker+Valid, 23108 SdHoareTripleChecker+Invalid, 5226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:56:13,576 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2030 Valid, 23108 Invalid, 5226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5203 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:56:13,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43109 states. [2022-03-15 13:56:14,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43109 to 22855. [2022-03-15 13:56:14,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22855 states, 22854 states have (on average 2.7549225518508793) internal successors, (62961), 22854 states have internal predecessors, (62961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:56:14,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22855 states to 22855 states and 62961 transitions. [2022-03-15 13:56:14,100 INFO L78 Accepts]: Start accepts. Automaton has 22855 states and 62961 transitions. Word has length 199 [2022-03-15 13:56:14,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:56:14,100 INFO L470 AbstractCegarLoop]: Abstraction has 22855 states and 62961 transitions. [2022-03-15 13:56:14,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:56:14,100 INFO L276 IsEmpty]: Start isEmpty. Operand 22855 states and 62961 transitions. [2022-03-15 13:56:14,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:56:14,141 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:56:14,141 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:56:14,141 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2022-03-15 13:56:14,141 INFO L402 AbstractCegarLoop]: === Iteration 138 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:56:14,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:56:14,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1001676157, now seen corresponding path program 114 times [2022-03-15 13:56:14,141 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:56:14,142 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923105889] [2022-03-15 13:56:14,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:56:14,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:56:14,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:56:14,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:56:14,430 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:56:14,430 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923105889] [2022-03-15 13:56:14,430 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923105889] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:56:14,430 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:56:14,430 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:56:14,430 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983964258] [2022-03-15 13:56:14,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:56:14,430 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:56:14,430 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:56:14,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:56:14,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:56:14,431 INFO L87 Difference]: Start difference. First operand 22855 states and 62961 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:56:17,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:56:17,285 INFO L93 Difference]: Finished difference Result 41926 states and 114619 transitions. [2022-03-15 13:56:17,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-15 13:56:17,286 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:56:17,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:56:17,366 INFO L225 Difference]: With dead ends: 41926 [2022-03-15 13:56:17,366 INFO L226 Difference]: Without dead ends: 41926 [2022-03-15 13:56:17,367 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1294 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=724, Invalid=5756, Unknown=0, NotChecked=0, Total=6480 [2022-03-15 13:56:17,367 INFO L933 BasicCegarLoop]: 1086 mSDtfsCounter, 2005 mSDsluCounter, 23339 mSDsCounter, 0 mSdLazyCounter, 5098 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2005 SdHoareTripleChecker+Valid, 24158 SdHoareTripleChecker+Invalid, 5121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5098 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:56:17,368 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2005 Valid, 24158 Invalid, 5121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5098 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:56:17,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41926 states. [2022-03-15 13:56:17,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41926 to 22791. [2022-03-15 13:56:17,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22791 states, 22790 states have (on average 2.7535322509872753) internal successors, (62753), 22790 states have internal predecessors, (62753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:56:17,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22791 states to 22791 states and 62753 transitions. [2022-03-15 13:56:17,902 INFO L78 Accepts]: Start accepts. Automaton has 22791 states and 62753 transitions. Word has length 199 [2022-03-15 13:56:17,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:56:17,902 INFO L470 AbstractCegarLoop]: Abstraction has 22791 states and 62753 transitions. [2022-03-15 13:56:17,902 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:56:17,902 INFO L276 IsEmpty]: Start isEmpty. Operand 22791 states and 62753 transitions. [2022-03-15 13:56:17,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:56:17,931 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:56:17,931 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:56:17,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2022-03-15 13:56:17,931 INFO L402 AbstractCegarLoop]: === Iteration 139 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:56:17,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:56:17,932 INFO L85 PathProgramCache]: Analyzing trace with hash -652222273, now seen corresponding path program 115 times [2022-03-15 13:56:17,932 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:56:17,932 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296071522] [2022-03-15 13:56:17,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:56:17,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:56:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:56:18,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:56:18,222 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:56:18,222 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296071522] [2022-03-15 13:56:18,222 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296071522] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:56:18,222 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:56:18,222 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:56:18,223 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429797053] [2022-03-15 13:56:18,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:56:18,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:56:18,223 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:56:18,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:56:18,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:56:18,223 INFO L87 Difference]: Start difference. First operand 22791 states and 62753 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:56:20,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:56:20,928 INFO L93 Difference]: Finished difference Result 38096 states and 104372 transitions. [2022-03-15 13:56:20,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-15 13:56:20,928 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:56:20,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:56:20,991 INFO L225 Difference]: With dead ends: 38096 [2022-03-15 13:56:20,991 INFO L226 Difference]: Without dead ends: 38096 [2022-03-15 13:56:20,992 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 974 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=615, Invalid=4787, Unknown=0, NotChecked=0, Total=5402 [2022-03-15 13:56:20,992 INFO L933 BasicCegarLoop]: 1031 mSDtfsCounter, 1715 mSDsluCounter, 22021 mSDsCounter, 0 mSdLazyCounter, 4902 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1715 SdHoareTripleChecker+Valid, 22813 SdHoareTripleChecker+Invalid, 4921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:56:20,992 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1715 Valid, 22813 Invalid, 4921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4902 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:56:21,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38096 states. [2022-03-15 13:56:21,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38096 to 22743. [2022-03-15 13:56:21,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22743 states, 22742 states have (on average 2.753012048192771) internal successors, (62609), 22742 states have internal predecessors, (62609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:56:21,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22743 states to 22743 states and 62609 transitions. [2022-03-15 13:56:21,433 INFO L78 Accepts]: Start accepts. Automaton has 22743 states and 62609 transitions. Word has length 199 [2022-03-15 13:56:21,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:56:21,434 INFO L470 AbstractCegarLoop]: Abstraction has 22743 states and 62609 transitions. [2022-03-15 13:56:21,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:56:21,434 INFO L276 IsEmpty]: Start isEmpty. Operand 22743 states and 62609 transitions. [2022-03-15 13:56:21,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:56:21,463 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:56:21,463 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:56:21,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2022-03-15 13:56:21,464 INFO L402 AbstractCegarLoop]: === Iteration 140 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:56:21,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:56:21,464 INFO L85 PathProgramCache]: Analyzing trace with hash 350149707, now seen corresponding path program 116 times [2022-03-15 13:56:21,464 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:56:21,464 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934979771] [2022-03-15 13:56:21,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:56:21,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:56:21,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:56:21,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:56:21,771 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:56:21,772 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934979771] [2022-03-15 13:56:21,772 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934979771] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:56:21,772 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:56:21,772 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:56:21,772 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434844349] [2022-03-15 13:56:21,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:56:21,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:56:21,772 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:56:21,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:56:21,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:56:21,773 INFO L87 Difference]: Start difference. First operand 22743 states and 62609 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:56:24,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:56:24,384 INFO L93 Difference]: Finished difference Result 38830 states and 106066 transitions. [2022-03-15 13:56:24,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-15 13:56:24,385 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:56:24,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:56:24,464 INFO L225 Difference]: With dead ends: 38830 [2022-03-15 13:56:24,464 INFO L226 Difference]: Without dead ends: 38830 [2022-03-15 13:56:24,465 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 975 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=610, Invalid=4792, Unknown=0, NotChecked=0, Total=5402 [2022-03-15 13:56:24,465 INFO L933 BasicCegarLoop]: 1060 mSDtfsCounter, 1728 mSDsluCounter, 22711 mSDsCounter, 0 mSdLazyCounter, 4834 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1728 SdHoareTripleChecker+Valid, 23508 SdHoareTripleChecker+Invalid, 4853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:56:24,466 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1728 Valid, 23508 Invalid, 4853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4834 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:56:24,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38830 states. [2022-03-15 13:56:24,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38830 to 22559. [2022-03-15 13:56:24,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22559 states, 22558 states have (on average 2.7528592960368825) internal successors, (62099), 22558 states have internal predecessors, (62099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:56:24,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22559 states to 22559 states and 62099 transitions. [2022-03-15 13:56:24,977 INFO L78 Accepts]: Start accepts. Automaton has 22559 states and 62099 transitions. Word has length 199 [2022-03-15 13:56:24,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:56:24,977 INFO L470 AbstractCegarLoop]: Abstraction has 22559 states and 62099 transitions. [2022-03-15 13:56:24,977 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:56:24,977 INFO L276 IsEmpty]: Start isEmpty. Operand 22559 states and 62099 transitions. [2022-03-15 13:56:25,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:56:25,008 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:56:25,008 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:56:25,008 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2022-03-15 13:56:25,008 INFO L402 AbstractCegarLoop]: === Iteration 141 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:56:25,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:56:25,008 INFO L85 PathProgramCache]: Analyzing trace with hash -738284931, now seen corresponding path program 117 times [2022-03-15 13:56:25,008 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:56:25,008 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909168177] [2022-03-15 13:56:25,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:56:25,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:56:25,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:56:25,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:56:25,296 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:56:25,296 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909168177] [2022-03-15 13:56:25,296 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909168177] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:56:25,296 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:56:25,296 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:56:25,296 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702028783] [2022-03-15 13:56:25,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:56:25,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:56:25,297 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:56:25,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:56:25,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:56:25,297 INFO L87 Difference]: Start difference. First operand 22559 states and 62099 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:56:28,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:56:28,536 INFO L93 Difference]: Finished difference Result 47842 states and 130199 transitions. [2022-03-15 13:56:28,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-15 13:56:28,536 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:56:28,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:56:28,626 INFO L225 Difference]: With dead ends: 47842 [2022-03-15 13:56:28,626 INFO L226 Difference]: Without dead ends: 47842 [2022-03-15 13:56:28,627 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1361 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=810, Invalid=5996, Unknown=0, NotChecked=0, Total=6806 [2022-03-15 13:56:28,628 INFO L933 BasicCegarLoop]: 1134 mSDtfsCounter, 2276 mSDsluCounter, 24804 mSDsCounter, 0 mSdLazyCounter, 5677 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2276 SdHoareTripleChecker+Valid, 25496 SdHoareTripleChecker+Invalid, 5700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-15 13:56:28,628 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2276 Valid, 25496 Invalid, 5700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5677 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-15 13:56:28,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47842 states. [2022-03-15 13:56:29,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47842 to 22911. [2022-03-15 13:56:29,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22911 states, 22910 states have (on average 2.7573548668703625) internal successors, (63171), 22910 states have internal predecessors, (63171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:56:29,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22911 states to 22911 states and 63171 transitions. [2022-03-15 13:56:29,204 INFO L78 Accepts]: Start accepts. Automaton has 22911 states and 63171 transitions. Word has length 199 [2022-03-15 13:56:29,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:56:29,205 INFO L470 AbstractCegarLoop]: Abstraction has 22911 states and 63171 transitions. [2022-03-15 13:56:29,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:56:29,205 INFO L276 IsEmpty]: Start isEmpty. Operand 22911 states and 63171 transitions. [2022-03-15 13:56:29,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:56:29,234 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:56:29,234 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:56:29,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2022-03-15 13:56:29,235 INFO L402 AbstractCegarLoop]: === Iteration 142 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:56:29,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:56:29,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1534884323, now seen corresponding path program 118 times [2022-03-15 13:56:29,235 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:56:29,235 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009401711] [2022-03-15 13:56:29,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:56:29,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:56:29,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:56:29,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:56:29,566 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:56:29,566 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009401711] [2022-03-15 13:56:29,566 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009401711] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:56:29,566 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:56:29,566 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:56:29,566 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209011893] [2022-03-15 13:56:29,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:56:29,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:56:29,566 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:56:29,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:56:29,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:56:29,567 INFO L87 Difference]: Start difference. First operand 22911 states and 63171 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:56:32,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:56:32,672 INFO L93 Difference]: Finished difference Result 45337 states and 123834 transitions. [2022-03-15 13:56:32,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-03-15 13:56:32,672 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:56:32,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:56:32,758 INFO L225 Difference]: With dead ends: 45337 [2022-03-15 13:56:32,758 INFO L226 Difference]: Without dead ends: 45337 [2022-03-15 13:56:32,759 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1445 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=783, Invalid=6189, Unknown=0, NotChecked=0, Total=6972 [2022-03-15 13:56:32,760 INFO L933 BasicCegarLoop]: 1141 mSDtfsCounter, 2173 mSDsluCounter, 24697 mSDsCounter, 0 mSdLazyCounter, 5378 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2173 SdHoareTripleChecker+Valid, 25522 SdHoareTripleChecker+Invalid, 5401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 13:56:32,760 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2173 Valid, 25522 Invalid, 5401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5378 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 13:56:32,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45337 states. [2022-03-15 13:56:33,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45337 to 22847. [2022-03-15 13:56:33,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22847 states, 22846 states have (on average 2.755974787709008) internal successors, (62963), 22846 states have internal predecessors, (62963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:56:33,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22847 states to 22847 states and 62963 transitions. [2022-03-15 13:56:33,321 INFO L78 Accepts]: Start accepts. Automaton has 22847 states and 62963 transitions. Word has length 199 [2022-03-15 13:56:33,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:56:33,321 INFO L470 AbstractCegarLoop]: Abstraction has 22847 states and 62963 transitions. [2022-03-15 13:56:33,322 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:56:33,322 INFO L276 IsEmpty]: Start isEmpty. Operand 22847 states and 62963 transitions. [2022-03-15 13:56:33,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:56:33,353 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:56:33,353 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:56:33,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2022-03-15 13:56:33,353 INFO L402 AbstractCegarLoop]: === Iteration 143 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:56:33,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:56:33,353 INFO L85 PathProgramCache]: Analyzing trace with hash -836945603, now seen corresponding path program 119 times [2022-03-15 13:56:33,353 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:56:33,353 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669447489] [2022-03-15 13:56:33,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:56:33,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:56:33,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:56:33,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:56:33,641 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:56:33,641 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669447489] [2022-03-15 13:56:33,641 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669447489] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:56:33,641 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:56:33,641 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:56:33,641 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663415925] [2022-03-15 13:56:33,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:56:33,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:56:33,641 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:56:33,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:56:33,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:56:33,642 INFO L87 Difference]: Start difference. First operand 22847 states and 62963 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:56:36,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:56:36,605 INFO L93 Difference]: Finished difference Result 43479 states and 119049 transitions. [2022-03-15 13:56:36,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-15 13:56:36,606 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:56:36,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:56:36,694 INFO L225 Difference]: With dead ends: 43479 [2022-03-15 13:56:36,694 INFO L226 Difference]: Without dead ends: 43479 [2022-03-15 13:56:36,695 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1146 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=684, Invalid=5322, Unknown=0, NotChecked=0, Total=6006 [2022-03-15 13:56:36,696 INFO L933 BasicCegarLoop]: 1136 mSDtfsCounter, 1903 mSDsluCounter, 24275 mSDsCounter, 0 mSdLazyCounter, 5345 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1903 SdHoareTripleChecker+Valid, 25110 SdHoareTripleChecker+Invalid, 5364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 13:56:36,696 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1903 Valid, 25110 Invalid, 5364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5345 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 13:56:36,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43479 states. [2022-03-15 13:56:37,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43479 to 22799. [2022-03-15 13:56:37,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22799 states, 22798 states have (on average 2.7554610053513464) internal successors, (62819), 22798 states have internal predecessors, (62819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:56:37,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22799 states to 22799 states and 62819 transitions. [2022-03-15 13:56:37,250 INFO L78 Accepts]: Start accepts. Automaton has 22799 states and 62819 transitions. Word has length 199 [2022-03-15 13:56:37,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:56:37,250 INFO L470 AbstractCegarLoop]: Abstraction has 22799 states and 62819 transitions. [2022-03-15 13:56:37,250 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:56:37,250 INFO L276 IsEmpty]: Start isEmpty. Operand 22799 states and 62819 transitions. [2022-03-15 13:56:37,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:56:37,280 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:56:37,280 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:56:37,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2022-03-15 13:56:37,280 INFO L402 AbstractCegarLoop]: === Iteration 144 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:56:37,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:56:37,280 INFO L85 PathProgramCache]: Analyzing trace with hash 764341297, now seen corresponding path program 120 times [2022-03-15 13:56:37,280 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:56:37,280 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595128503] [2022-03-15 13:56:37,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:56:37,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:56:37,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:56:37,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:56:37,570 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:56:37,570 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595128503] [2022-03-15 13:56:37,570 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595128503] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:56:37,570 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:56:37,570 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:56:37,570 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788727377] [2022-03-15 13:56:37,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:56:37,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:56:37,570 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:56:37,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:56:37,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:56:37,571 INFO L87 Difference]: Start difference. First operand 22799 states and 62819 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:56:40,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:56:40,557 INFO L93 Difference]: Finished difference Result 44837 states and 122441 transitions. [2022-03-15 13:56:40,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-15 13:56:40,558 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:56:40,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:56:40,644 INFO L225 Difference]: With dead ends: 44837 [2022-03-15 13:56:40,644 INFO L226 Difference]: Without dead ends: 44837 [2022-03-15 13:56:40,645 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1146 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=682, Invalid=5324, Unknown=0, NotChecked=0, Total=6006 [2022-03-15 13:56:40,645 INFO L933 BasicCegarLoop]: 1149 mSDtfsCounter, 1959 mSDsluCounter, 24568 mSDsCounter, 0 mSdLazyCounter, 5267 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1959 SdHoareTripleChecker+Valid, 25413 SdHoareTripleChecker+Invalid, 5286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 13:56:40,645 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1959 Valid, 25413 Invalid, 5286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5267 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 13:56:40,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44837 states. [2022-03-15 13:56:41,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44837 to 22783. [2022-03-15 13:56:41,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22783 states, 22782 states have (on average 2.7552892634536037) internal successors, (62771), 22782 states have internal predecessors, (62771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:56:41,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22783 states to 22783 states and 62771 transitions. [2022-03-15 13:56:41,196 INFO L78 Accepts]: Start accepts. Automaton has 22783 states and 62771 transitions. Word has length 199 [2022-03-15 13:56:41,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:56:41,196 INFO L470 AbstractCegarLoop]: Abstraction has 22783 states and 62771 transitions. [2022-03-15 13:56:41,196 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:56:41,197 INFO L276 IsEmpty]: Start isEmpty. Operand 22783 states and 62771 transitions. [2022-03-15 13:56:41,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:56:41,227 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:56:41,227 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:56:41,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2022-03-15 13:56:41,227 INFO L402 AbstractCegarLoop]: === Iteration 145 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:56:41,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:56:41,228 INFO L85 PathProgramCache]: Analyzing trace with hash 163109979, now seen corresponding path program 121 times [2022-03-15 13:56:41,228 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:56:41,228 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679679687] [2022-03-15 13:56:41,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:56:41,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:56:41,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:56:41,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:56:41,508 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:56:41,508 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679679687] [2022-03-15 13:56:41,508 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679679687] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:56:41,508 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:56:41,508 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:56:41,508 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429334252] [2022-03-15 13:56:41,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:56:41,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:56:41,508 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:56:41,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:56:41,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:56:41,509 INFO L87 Difference]: Start difference. First operand 22783 states and 62771 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:56:44,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:56:44,394 INFO L93 Difference]: Finished difference Result 46080 states and 125613 transitions. [2022-03-15 13:56:44,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-15 13:56:44,394 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:56:44,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:56:44,472 INFO L225 Difference]: With dead ends: 46080 [2022-03-15 13:56:44,473 INFO L226 Difference]: Without dead ends: 46080 [2022-03-15 13:56:44,473 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1146 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=677, Invalid=5329, Unknown=0, NotChecked=0, Total=6006 [2022-03-15 13:56:44,474 INFO L933 BasicCegarLoop]: 1186 mSDtfsCounter, 1929 mSDsluCounter, 25314 mSDsCounter, 0 mSdLazyCounter, 5264 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1929 SdHoareTripleChecker+Valid, 26177 SdHoareTripleChecker+Invalid, 5283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:56:44,474 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1929 Valid, 26177 Invalid, 5283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5264 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:56:44,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46080 states. [2022-03-15 13:56:44,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46080 to 22575. [2022-03-15 13:56:44,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22575 states, 22574 states have (on average 2.753034464428103) internal successors, (62147), 22574 states have internal predecessors, (62147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:56:45,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22575 states to 22575 states and 62147 transitions. [2022-03-15 13:56:45,033 INFO L78 Accepts]: Start accepts. Automaton has 22575 states and 62147 transitions. Word has length 199 [2022-03-15 13:56:45,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:56:45,034 INFO L470 AbstractCegarLoop]: Abstraction has 22575 states and 62147 transitions. [2022-03-15 13:56:45,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:56:45,034 INFO L276 IsEmpty]: Start isEmpty. Operand 22575 states and 62147 transitions. [2022-03-15 13:56:45,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:56:45,064 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:56:45,064 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:56:45,064 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2022-03-15 13:56:45,064 INFO L402 AbstractCegarLoop]: === Iteration 146 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:56:45,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:56:45,065 INFO L85 PathProgramCache]: Analyzing trace with hash 2093123481, now seen corresponding path program 122 times [2022-03-15 13:56:45,065 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:56:45,065 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648163931] [2022-03-15 13:56:45,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:56:45,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:56:45,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:56:45,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:56:45,346 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:56:45,346 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648163931] [2022-03-15 13:56:45,346 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648163931] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:56:45,346 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:56:45,346 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:56:45,346 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458195646] [2022-03-15 13:56:45,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:56:45,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:56:45,346 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:56:45,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:56:45,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:56:45,347 INFO L87 Difference]: Start difference. First operand 22575 states and 62147 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:56:48,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:56:48,084 INFO L93 Difference]: Finished difference Result 41649 states and 113505 transitions. [2022-03-15 13:56:48,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-15 13:56:48,084 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:56:48,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:56:48,155 INFO L225 Difference]: With dead ends: 41649 [2022-03-15 13:56:48,155 INFO L226 Difference]: Without dead ends: 41649 [2022-03-15 13:56:48,156 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1017 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=624, Invalid=4926, Unknown=0, NotChecked=0, Total=5550 [2022-03-15 13:56:48,156 INFO L933 BasicCegarLoop]: 1142 mSDtfsCounter, 1855 mSDsluCounter, 24439 mSDsCounter, 0 mSdLazyCounter, 5006 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1855 SdHoareTripleChecker+Valid, 25259 SdHoareTripleChecker+Invalid, 5025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5006 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:56:48,156 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1855 Valid, 25259 Invalid, 5025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5006 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:56:48,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41649 states. [2022-03-15 13:56:48,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41649 to 22547. [2022-03-15 13:56:48,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22547 states, 22546 states have (on average 2.7528608178834384) internal successors, (62066), 22546 states have internal predecessors, (62066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:56:48,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22547 states to 22547 states and 62066 transitions. [2022-03-15 13:56:48,662 INFO L78 Accepts]: Start accepts. Automaton has 22547 states and 62066 transitions. Word has length 199 [2022-03-15 13:56:48,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:56:48,663 INFO L470 AbstractCegarLoop]: Abstraction has 22547 states and 62066 transitions. [2022-03-15 13:56:48,663 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:56:48,663 INFO L276 IsEmpty]: Start isEmpty. Operand 22547 states and 62066 transitions. [2022-03-15 13:56:48,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:56:48,693 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:56:48,693 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:56:48,693 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2022-03-15 13:56:48,693 INFO L402 AbstractCegarLoop]: === Iteration 147 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:56:48,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:56:48,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1710832207, now seen corresponding path program 123 times [2022-03-15 13:56:48,694 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:56:48,694 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964690658] [2022-03-15 13:56:48,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:56:48,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:56:48,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:56:48,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:56:48,981 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:56:48,981 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964690658] [2022-03-15 13:56:48,981 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964690658] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:56:48,981 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:56:48,981 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:56:48,982 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798523286] [2022-03-15 13:56:48,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:56:48,982 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:56:48,982 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:56:48,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:56:48,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:56:48,982 INFO L87 Difference]: Start difference. First operand 22547 states and 62066 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:56:52,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:56:52,218 INFO L93 Difference]: Finished difference Result 47477 states and 129167 transitions. [2022-03-15 13:56:52,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-03-15 13:56:52,218 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:56:52,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:56:52,307 INFO L225 Difference]: With dead ends: 47477 [2022-03-15 13:56:52,307 INFO L226 Difference]: Without dead ends: 47477 [2022-03-15 13:56:52,308 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1450 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=865, Invalid=6275, Unknown=0, NotChecked=0, Total=7140 [2022-03-15 13:56:52,308 INFO L933 BasicCegarLoop]: 1144 mSDtfsCounter, 2404 mSDsluCounter, 25026 mSDsCounter, 0 mSdLazyCounter, 5471 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2404 SdHoareTripleChecker+Valid, 25689 SdHoareTripleChecker+Invalid, 5494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 13:56:52,309 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2404 Valid, 25689 Invalid, 5494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5471 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 13:56:52,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47477 states. [2022-03-15 13:56:52,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47477 to 22947. [2022-03-15 13:56:52,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22947 states, 22946 states have (on average 2.7578662947790464) internal successors, (63282), 22946 states have internal predecessors, (63282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:56:52,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22947 states to 22947 states and 63282 transitions. [2022-03-15 13:56:52,908 INFO L78 Accepts]: Start accepts. Automaton has 22947 states and 63282 transitions. Word has length 199 [2022-03-15 13:56:52,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:56:52,909 INFO L470 AbstractCegarLoop]: Abstraction has 22947 states and 63282 transitions. [2022-03-15 13:56:52,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:56:52,909 INFO L276 IsEmpty]: Start isEmpty. Operand 22947 states and 63282 transitions. [2022-03-15 13:56:52,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:56:52,940 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:56:52,940 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:56:52,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2022-03-15 13:56:52,940 INFO L402 AbstractCegarLoop]: === Iteration 148 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:56:52,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:56:52,940 INFO L85 PathProgramCache]: Analyzing trace with hash 562337047, now seen corresponding path program 124 times [2022-03-15 13:56:52,940 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:56:52,941 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218987913] [2022-03-15 13:56:52,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:56:52,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:56:52,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:56:53,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:56:53,230 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:56:53,230 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218987913] [2022-03-15 13:56:53,230 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218987913] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:56:53,230 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:56:53,230 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:56:53,230 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159908086] [2022-03-15 13:56:53,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:56:53,231 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:56:53,231 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:56:53,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:56:53,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:56:53,231 INFO L87 Difference]: Start difference. First operand 22947 states and 63282 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:56:56,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:56:56,292 INFO L93 Difference]: Finished difference Result 44564 states and 121725 transitions. [2022-03-15 13:56:56,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-03-15 13:56:56,292 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:56:56,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:56:56,376 INFO L225 Difference]: With dead ends: 44564 [2022-03-15 13:56:56,376 INFO L226 Difference]: Without dead ends: 44564 [2022-03-15 13:56:56,377 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1444 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=797, Invalid=6175, Unknown=0, NotChecked=0, Total=6972 [2022-03-15 13:56:56,377 INFO L933 BasicCegarLoop]: 1118 mSDtfsCounter, 2262 mSDsluCounter, 24281 mSDsCounter, 0 mSdLazyCounter, 5127 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2262 SdHoareTripleChecker+Valid, 25060 SdHoareTripleChecker+Invalid, 5150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:56:56,377 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2262 Valid, 25060 Invalid, 5150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5127 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:56:56,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44564 states. [2022-03-15 13:56:56,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44564 to 22883. [2022-03-15 13:56:56,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22883 states, 22882 states have (on average 2.7564898173236605) internal successors, (63074), 22882 states have internal predecessors, (63074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:56:56,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22883 states to 22883 states and 63074 transitions. [2022-03-15 13:56:56,948 INFO L78 Accepts]: Start accepts. Automaton has 22883 states and 63074 transitions. Word has length 199 [2022-03-15 13:56:56,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:56:56,948 INFO L470 AbstractCegarLoop]: Abstraction has 22883 states and 63074 transitions. [2022-03-15 13:56:56,948 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:56:56,948 INFO L276 IsEmpty]: Start isEmpty. Operand 22883 states and 63074 transitions. [2022-03-15 13:56:56,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:56:56,979 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:56:56,979 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:56:56,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2022-03-15 13:56:56,979 INFO L402 AbstractCegarLoop]: === Iteration 149 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:56:56,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:56:56,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1809492879, now seen corresponding path program 125 times [2022-03-15 13:56:56,980 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:56:56,980 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231148165] [2022-03-15 13:56:56,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:56:56,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:56:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:56:57,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:56:57,273 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:56:57,273 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231148165] [2022-03-15 13:56:57,273 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231148165] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:56:57,273 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:56:57,273 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:56:57,273 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517174919] [2022-03-15 13:56:57,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:56:57,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:56:57,274 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:56:57,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:56:57,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:56:57,274 INFO L87 Difference]: Start difference. First operand 22883 states and 63074 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:00,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:57:00,159 INFO L93 Difference]: Finished difference Result 42706 states and 116940 transitions. [2022-03-15 13:57:00,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-15 13:57:00,160 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:57:00,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:57:00,240 INFO L225 Difference]: With dead ends: 42706 [2022-03-15 13:57:00,240 INFO L226 Difference]: Without dead ends: 42706 [2022-03-15 13:57:00,241 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1146 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=694, Invalid=5312, Unknown=0, NotChecked=0, Total=6006 [2022-03-15 13:57:00,241 INFO L933 BasicCegarLoop]: 1113 mSDtfsCounter, 1992 mSDsluCounter, 23772 mSDsCounter, 0 mSdLazyCounter, 5090 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1992 SdHoareTripleChecker+Valid, 24565 SdHoareTripleChecker+Invalid, 5109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5090 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 13:57:00,241 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1992 Valid, 24565 Invalid, 5109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5090 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 13:57:00,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42706 states. [2022-03-15 13:57:00,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42706 to 22835. [2022-03-15 13:57:00,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22835 states, 22834 states have (on average 2.7559779276517475) internal successors, (62930), 22834 states have internal predecessors, (62930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:00,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22835 states to 22835 states and 62930 transitions. [2022-03-15 13:57:00,787 INFO L78 Accepts]: Start accepts. Automaton has 22835 states and 62930 transitions. Word has length 199 [2022-03-15 13:57:00,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:57:00,788 INFO L470 AbstractCegarLoop]: Abstraction has 22835 states and 62930 transitions. [2022-03-15 13:57:00,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:00,788 INFO L276 IsEmpty]: Start isEmpty. Operand 22835 states and 62930 transitions. [2022-03-15 13:57:00,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:57:00,817 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:57:00,817 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:57:00,817 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2022-03-15 13:57:00,818 INFO L402 AbstractCegarLoop]: === Iteration 150 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:57:00,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:57:00,818 INFO L85 PathProgramCache]: Analyzing trace with hash -208205979, now seen corresponding path program 126 times [2022-03-15 13:57:00,818 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:57:00,818 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224424207] [2022-03-15 13:57:00,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:57:00,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:57:00,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:57:01,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:57:01,125 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:57:01,125 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224424207] [2022-03-15 13:57:01,125 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224424207] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:57:01,125 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:57:01,126 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:57:01,126 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478324318] [2022-03-15 13:57:01,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:57:01,126 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:57:01,126 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:57:01,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:57:01,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:57:01,126 INFO L87 Difference]: Start difference. First operand 22835 states and 62930 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:03,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:57:03,972 INFO L93 Difference]: Finished difference Result 44064 states and 120332 transitions. [2022-03-15 13:57:03,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-15 13:57:03,973 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:57:03,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:57:04,052 INFO L225 Difference]: With dead ends: 44064 [2022-03-15 13:57:04,052 INFO L226 Difference]: Without dead ends: 44064 [2022-03-15 13:57:04,053 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1145 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=693, Invalid=5313, Unknown=0, NotChecked=0, Total=6006 [2022-03-15 13:57:04,054 INFO L933 BasicCegarLoop]: 1126 mSDtfsCounter, 2048 mSDsluCounter, 24046 mSDsCounter, 0 mSdLazyCounter, 5021 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2048 SdHoareTripleChecker+Valid, 24849 SdHoareTripleChecker+Invalid, 5040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:57:04,054 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2048 Valid, 24849 Invalid, 5040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5021 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:57:04,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44064 states. [2022-03-15 13:57:04,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44064 to 22819. [2022-03-15 13:57:04,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22819 states, 22818 states have (on average 2.755806819177842) internal successors, (62882), 22818 states have internal predecessors, (62882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:04,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22819 states to 22819 states and 62882 transitions. [2022-03-15 13:57:04,640 INFO L78 Accepts]: Start accepts. Automaton has 22819 states and 62882 transitions. Word has length 199 [2022-03-15 13:57:04,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:57:04,641 INFO L470 AbstractCegarLoop]: Abstraction has 22819 states and 62882 transitions. [2022-03-15 13:57:04,641 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:04,641 INFO L276 IsEmpty]: Start isEmpty. Operand 22819 states and 62882 transitions. [2022-03-15 13:57:04,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:57:04,670 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:57:04,670 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:57:04,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2022-03-15 13:57:04,670 INFO L402 AbstractCegarLoop]: === Iteration 151 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:57:04,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:57:04,670 INFO L85 PathProgramCache]: Analyzing trace with hash -809437297, now seen corresponding path program 127 times [2022-03-15 13:57:04,671 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:57:04,671 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84761634] [2022-03-15 13:57:04,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:57:04,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:57:04,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:57:04,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:57:04,952 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:57:04,952 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84761634] [2022-03-15 13:57:04,952 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84761634] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:57:04,952 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:57:04,952 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:57:04,953 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458878479] [2022-03-15 13:57:04,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:57:04,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:57:04,953 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:57:04,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:57:04,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:57:04,953 INFO L87 Difference]: Start difference. First operand 22819 states and 62882 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:07,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:57:07,825 INFO L93 Difference]: Finished difference Result 45307 states and 123504 transitions. [2022-03-15 13:57:07,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-15 13:57:07,826 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:57:07,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:57:07,918 INFO L225 Difference]: With dead ends: 45307 [2022-03-15 13:57:07,918 INFO L226 Difference]: Without dead ends: 45307 [2022-03-15 13:57:07,919 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1144 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=689, Invalid=5317, Unknown=0, NotChecked=0, Total=6006 [2022-03-15 13:57:07,919 INFO L933 BasicCegarLoop]: 1163 mSDtfsCounter, 2018 mSDsluCounter, 24750 mSDsCounter, 0 mSdLazyCounter, 5023 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2018 SdHoareTripleChecker+Valid, 25572 SdHoareTripleChecker+Invalid, 5042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:57:07,919 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2018 Valid, 25572 Invalid, 5042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5023 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:57:07,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45307 states. [2022-03-15 13:57:08,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45307 to 22611. [2022-03-15 13:57:08,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22611 states, 22610 states have (on average 2.753560371517028) internal successors, (62258), 22610 states have internal predecessors, (62258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:08,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22611 states to 22611 states and 62258 transitions. [2022-03-15 13:57:08,514 INFO L78 Accepts]: Start accepts. Automaton has 22611 states and 62258 transitions. Word has length 199 [2022-03-15 13:57:08,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:57:08,515 INFO L470 AbstractCegarLoop]: Abstraction has 22611 states and 62258 transitions. [2022-03-15 13:57:08,515 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:08,515 INFO L276 IsEmpty]: Start isEmpty. Operand 22611 states and 62258 transitions. [2022-03-15 13:57:08,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:57:08,548 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:57:08,548 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:57:08,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2022-03-15 13:57:08,548 INFO L402 AbstractCegarLoop]: === Iteration 152 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:57:08,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:57:08,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1120576205, now seen corresponding path program 128 times [2022-03-15 13:57:08,549 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:57:08,549 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027348375] [2022-03-15 13:57:08,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:57:08,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:57:08,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:57:08,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:57:08,836 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:57:08,836 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027348375] [2022-03-15 13:57:08,836 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027348375] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:57:08,836 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:57:08,836 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:57:08,836 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467968017] [2022-03-15 13:57:08,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:57:08,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:57:08,836 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:57:08,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:57:08,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:57:08,837 INFO L87 Difference]: Start difference. First operand 22611 states and 62258 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:11,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:57:11,692 INFO L93 Difference]: Finished difference Result 45965 states and 125226 transitions. [2022-03-15 13:57:11,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-15 13:57:11,692 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:57:11,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:57:11,780 INFO L225 Difference]: With dead ends: 45965 [2022-03-15 13:57:11,780 INFO L226 Difference]: Without dead ends: 45965 [2022-03-15 13:57:11,781 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1100 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=667, Invalid=5185, Unknown=0, NotChecked=0, Total=5852 [2022-03-15 13:57:11,781 INFO L933 BasicCegarLoop]: 1167 mSDtfsCounter, 2008 mSDsluCounter, 24912 mSDsCounter, 0 mSdLazyCounter, 5025 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2008 SdHoareTripleChecker+Valid, 25737 SdHoareTripleChecker+Invalid, 5044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:57:11,781 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2008 Valid, 25737 Invalid, 5044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5025 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:57:11,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45965 states. [2022-03-15 13:57:12,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45965 to 22595. [2022-03-15 13:57:12,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22595 states, 22594 states have (on average 2.7533858546516776) internal successors, (62210), 22594 states have internal predecessors, (62210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:12,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22595 states to 22595 states and 62210 transitions. [2022-03-15 13:57:12,390 INFO L78 Accepts]: Start accepts. Automaton has 22595 states and 62210 transitions. Word has length 199 [2022-03-15 13:57:12,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:57:12,391 INFO L470 AbstractCegarLoop]: Abstraction has 22595 states and 62210 transitions. [2022-03-15 13:57:12,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:12,391 INFO L276 IsEmpty]: Start isEmpty. Operand 22595 states and 62210 transitions. [2022-03-15 13:57:12,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:57:12,423 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:57:12,423 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:57:12,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2022-03-15 13:57:12,423 INFO L402 AbstractCegarLoop]: === Iteration 153 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:57:12,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:57:12,423 INFO L85 PathProgramCache]: Analyzing trace with hash -528349789, now seen corresponding path program 129 times [2022-03-15 13:57:12,423 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:57:12,424 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541739284] [2022-03-15 13:57:12,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:57:12,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:57:12,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:57:12,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:57:12,713 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:57:12,713 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541739284] [2022-03-15 13:57:12,713 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541739284] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:57:12,713 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:57:12,713 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:57:12,713 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879870258] [2022-03-15 13:57:12,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:57:12,713 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:57:12,714 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:57:12,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:57:12,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:57:12,714 INFO L87 Difference]: Start difference. First operand 22595 states and 62210 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:15,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:57:15,334 INFO L93 Difference]: Finished difference Result 40930 states and 111524 transitions. [2022-03-15 13:57:15,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-15 13:57:15,335 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:57:15,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:57:15,410 INFO L225 Difference]: With dead ends: 40930 [2022-03-15 13:57:15,410 INFO L226 Difference]: Without dead ends: 40930 [2022-03-15 13:57:15,411 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 972 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=619, Invalid=4783, Unknown=0, NotChecked=0, Total=5402 [2022-03-15 13:57:15,411 INFO L933 BasicCegarLoop]: 1118 mSDtfsCounter, 1890 mSDsluCounter, 23950 mSDsCounter, 0 mSdLazyCounter, 4613 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1890 SdHoareTripleChecker+Valid, 24728 SdHoareTripleChecker+Invalid, 4632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 13:57:15,411 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1890 Valid, 24728 Invalid, 4632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4613 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 13:57:15,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40930 states. [2022-03-15 13:57:15,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40930 to 22511. [2022-03-15 13:57:15,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22511 states, 22510 states have (on average 2.7528653931585962) internal successors, (61967), 22510 states have internal predecessors, (61967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:15,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22511 states to 22511 states and 61967 transitions. [2022-03-15 13:57:15,948 INFO L78 Accepts]: Start accepts. Automaton has 22511 states and 61967 transitions. Word has length 199 [2022-03-15 13:57:15,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:57:15,949 INFO L470 AbstractCegarLoop]: Abstraction has 22511 states and 61967 transitions. [2022-03-15 13:57:15,949 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:15,949 INFO L276 IsEmpty]: Start isEmpty. Operand 22511 states and 61967 transitions. [2022-03-15 13:57:15,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:57:15,977 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:57:15,978 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:57:15,978 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2022-03-15 13:57:15,978 INFO L402 AbstractCegarLoop]: === Iteration 154 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:57:15,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:57:15,978 INFO L85 PathProgramCache]: Analyzing trace with hash -903139061, now seen corresponding path program 130 times [2022-03-15 13:57:15,978 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:57:15,978 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131197515] [2022-03-15 13:57:15,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:57:15,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:57:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:57:16,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:57:16,268 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:57:16,268 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131197515] [2022-03-15 13:57:16,269 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131197515] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:57:16,269 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:57:16,269 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:57:16,269 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332836111] [2022-03-15 13:57:16,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:57:16,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:57:16,269 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:57:16,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:57:16,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:57:16,327 INFO L87 Difference]: Start difference. First operand 22511 states and 61967 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:19,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:57:19,263 INFO L93 Difference]: Finished difference Result 44432 states and 121038 transitions. [2022-03-15 13:57:19,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-15 13:57:19,263 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:57:19,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:57:19,354 INFO L225 Difference]: With dead ends: 44432 [2022-03-15 13:57:19,355 INFO L226 Difference]: Without dead ends: 44432 [2022-03-15 13:57:19,356 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1289 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=737, Invalid=5743, Unknown=0, NotChecked=0, Total=6480 [2022-03-15 13:57:19,356 INFO L933 BasicCegarLoop]: 1028 mSDtfsCounter, 2147 mSDsluCounter, 22633 mSDsCounter, 0 mSdLazyCounter, 5111 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2147 SdHoareTripleChecker+Valid, 23301 SdHoareTripleChecker+Invalid, 5134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:57:19,356 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2147 Valid, 23301 Invalid, 5134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5111 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:57:19,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44432 states. [2022-03-15 13:57:19,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44432 to 23087. [2022-03-15 13:57:19,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23087 states, 23086 states have (on average 2.757125530624621) internal successors, (63651), 23086 states have internal predecessors, (63651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:19,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23087 states to 23087 states and 63651 transitions. [2022-03-15 13:57:19,963 INFO L78 Accepts]: Start accepts. Automaton has 23087 states and 63651 transitions. Word has length 199 [2022-03-15 13:57:19,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:57:19,963 INFO L470 AbstractCegarLoop]: Abstraction has 23087 states and 63651 transitions. [2022-03-15 13:57:19,963 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:19,963 INFO L276 IsEmpty]: Start isEmpty. Operand 23087 states and 63651 transitions. [2022-03-15 13:57:19,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:57:19,996 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:57:19,996 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:57:19,996 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2022-03-15 13:57:19,996 INFO L402 AbstractCegarLoop]: === Iteration 155 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:57:19,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:57:19,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1370030193, now seen corresponding path program 131 times [2022-03-15 13:57:19,997 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:57:19,997 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151618357] [2022-03-15 13:57:19,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:57:19,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:57:20,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:57:20,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:57:20,281 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:57:20,282 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151618357] [2022-03-15 13:57:20,282 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151618357] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:57:20,282 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:57:20,282 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:57:20,282 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564222205] [2022-03-15 13:57:20,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:57:20,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:57:20,282 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:57:20,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:57:20,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:57:20,283 INFO L87 Difference]: Start difference. First operand 23087 states and 63651 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:23,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:57:23,204 INFO L93 Difference]: Finished difference Result 42585 states and 116395 transitions. [2022-03-15 13:57:23,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-03-15 13:57:23,204 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:57:23,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:57:23,281 INFO L225 Difference]: With dead ends: 42585 [2022-03-15 13:57:23,282 INFO L226 Difference]: Without dead ends: 42585 [2022-03-15 13:57:23,283 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1458 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=751, Invalid=6221, Unknown=0, NotChecked=0, Total=6972 [2022-03-15 13:57:23,283 INFO L933 BasicCegarLoop]: 1046 mSDtfsCounter, 2107 mSDsluCounter, 22782 mSDsCounter, 0 mSdLazyCounter, 4984 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2107 SdHoareTripleChecker+Valid, 23578 SdHoareTripleChecker+Invalid, 5007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4984 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:57:23,283 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2107 Valid, 23578 Invalid, 5007 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4984 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:57:23,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42585 states. [2022-03-15 13:57:23,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42585 to 23023. [2022-03-15 13:57:23,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23023 states, 23022 states have (on average 2.7557553644340196) internal successors, (63443), 23022 states have internal predecessors, (63443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:23,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23023 states to 23023 states and 63443 transitions. [2022-03-15 13:57:23,865 INFO L78 Accepts]: Start accepts. Automaton has 23023 states and 63443 transitions. Word has length 199 [2022-03-15 13:57:23,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:57:23,865 INFO L470 AbstractCegarLoop]: Abstraction has 23023 states and 63443 transitions. [2022-03-15 13:57:23,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:23,865 INFO L276 IsEmpty]: Start isEmpty. Operand 23023 states and 63443 transitions. [2022-03-15 13:57:23,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:57:23,895 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:57:23,895 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:57:23,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2022-03-15 13:57:23,896 INFO L402 AbstractCegarLoop]: === Iteration 156 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:57:23,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:57:23,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1001799733, now seen corresponding path program 132 times [2022-03-15 13:57:23,896 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:57:23,896 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137021741] [2022-03-15 13:57:23,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:57:23,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:57:23,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:57:24,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:57:24,185 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:57:24,185 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137021741] [2022-03-15 13:57:24,185 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137021741] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:57:24,186 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:57:24,186 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:57:24,186 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567394567] [2022-03-15 13:57:24,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:57:24,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:57:24,186 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:57:24,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:57:24,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:57:24,186 INFO L87 Difference]: Start difference. First operand 23023 states and 63443 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:26,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:57:26,972 INFO L93 Difference]: Finished difference Result 40727 states and 111610 transitions. [2022-03-15 13:57:26,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-15 13:57:26,972 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:57:26,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:57:27,055 INFO L225 Difference]: With dead ends: 40727 [2022-03-15 13:57:27,056 INFO L226 Difference]: Without dead ends: 40727 [2022-03-15 13:57:27,057 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1155 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=662, Invalid=5344, Unknown=0, NotChecked=0, Total=6006 [2022-03-15 13:57:27,057 INFO L933 BasicCegarLoop]: 1041 mSDtfsCounter, 1837 mSDsluCounter, 22461 mSDsCounter, 0 mSdLazyCounter, 4940 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1837 SdHoareTripleChecker+Valid, 23261 SdHoareTripleChecker+Invalid, 4959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4940 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:57:27,057 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1837 Valid, 23261 Invalid, 4959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4940 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:57:27,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40727 states. [2022-03-15 13:57:27,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40727 to 22975. [2022-03-15 13:57:27,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22975 states, 22974 states have (on average 2.755245059632628) internal successors, (63299), 22974 states have internal predecessors, (63299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:27,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22975 states to 22975 states and 63299 transitions. [2022-03-15 13:57:27,620 INFO L78 Accepts]: Start accepts. Automaton has 22975 states and 63299 transitions. Word has length 199 [2022-03-15 13:57:27,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:57:27,621 INFO L470 AbstractCegarLoop]: Abstraction has 22975 states and 63299 transitions. [2022-03-15 13:57:27,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:27,621 INFO L276 IsEmpty]: Start isEmpty. Operand 22975 states and 63299 transitions. [2022-03-15 13:57:27,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:57:27,653 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:57:27,653 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:57:27,653 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2022-03-15 13:57:27,653 INFO L402 AbstractCegarLoop]: === Iteration 157 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:57:27,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:57:27,653 INFO L85 PathProgramCache]: Analyzing trace with hash 599487167, now seen corresponding path program 133 times [2022-03-15 13:57:27,653 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:57:27,653 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051125818] [2022-03-15 13:57:27,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:57:27,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:57:27,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:57:27,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:57:27,940 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:57:27,940 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051125818] [2022-03-15 13:57:27,940 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051125818] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:57:27,940 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:57:27,941 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:57:27,941 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974804940] [2022-03-15 13:57:27,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:57:27,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:57:27,941 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:57:27,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:57:27,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:57:27,941 INFO L87 Difference]: Start difference. First operand 22975 states and 63299 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:30,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:57:30,691 INFO L93 Difference]: Finished difference Result 42085 states and 115002 transitions. [2022-03-15 13:57:30,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-15 13:57:30,692 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:57:30,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:57:30,775 INFO L225 Difference]: With dead ends: 42085 [2022-03-15 13:57:30,775 INFO L226 Difference]: Without dead ends: 42085 [2022-03-15 13:57:30,776 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1157 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=657, Invalid=5349, Unknown=0, NotChecked=0, Total=6006 [2022-03-15 13:57:30,776 INFO L933 BasicCegarLoop]: 1054 mSDtfsCounter, 1893 mSDsluCounter, 22763 mSDsCounter, 0 mSdLazyCounter, 4856 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1893 SdHoareTripleChecker+Valid, 23574 SdHoareTripleChecker+Invalid, 4875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:57:30,776 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1893 Valid, 23574 Invalid, 4875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4856 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:57:30,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42085 states. [2022-03-15 13:57:31,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42085 to 22959. [2022-03-15 13:57:31,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22959 states, 22958 states have (on average 2.7550744838400556) internal successors, (63251), 22958 states have internal predecessors, (63251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:31,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22959 states to 22959 states and 63251 transitions. [2022-03-15 13:57:31,364 INFO L78 Accepts]: Start accepts. Automaton has 22959 states and 63251 transitions. Word has length 199 [2022-03-15 13:57:31,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:57:31,365 INFO L470 AbstractCegarLoop]: Abstraction has 22959 states and 63251 transitions. [2022-03-15 13:57:31,365 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:31,365 INFO L276 IsEmpty]: Start isEmpty. Operand 22959 states and 63251 transitions. [2022-03-15 13:57:31,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:57:31,396 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:57:31,396 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:57:31,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2022-03-15 13:57:31,396 INFO L402 AbstractCegarLoop]: === Iteration 158 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:57:31,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:57:31,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1744151, now seen corresponding path program 134 times [2022-03-15 13:57:31,396 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:57:31,396 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653171987] [2022-03-15 13:57:31,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:57:31,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:57:31,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:57:31,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:57:31,686 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:57:31,686 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653171987] [2022-03-15 13:57:31,686 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653171987] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:57:31,686 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:57:31,686 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:57:31,686 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965572211] [2022-03-15 13:57:31,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:57:31,687 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:57:31,687 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:57:31,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:57:31,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:57:31,687 INFO L87 Difference]: Start difference. First operand 22959 states and 63251 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:34,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:57:34,426 INFO L93 Difference]: Finished difference Result 41078 states and 112144 transitions. [2022-03-15 13:57:34,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-15 13:57:34,427 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:57:34,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:57:34,510 INFO L225 Difference]: With dead ends: 41078 [2022-03-15 13:57:34,510 INFO L226 Difference]: Without dead ends: 41078 [2022-03-15 13:57:34,511 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1071 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=617, Invalid=5083, Unknown=0, NotChecked=0, Total=5700 [2022-03-15 13:57:34,511 INFO L933 BasicCegarLoop]: 1101 mSDtfsCounter, 1764 mSDsluCounter, 23740 mSDsCounter, 0 mSdLazyCounter, 4890 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1764 SdHoareTripleChecker+Valid, 24578 SdHoareTripleChecker+Invalid, 4909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:57:34,511 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1764 Valid, 24578 Invalid, 4909 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4890 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:57:34,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41078 states. [2022-03-15 13:57:34,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41078 to 22751. [2022-03-15 13:57:35,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22751 states, 22750 states have (on average 2.7528351648351648) internal successors, (62627), 22750 states have internal predecessors, (62627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:35,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22751 states to 22751 states and 62627 transitions. [2022-03-15 13:57:35,075 INFO L78 Accepts]: Start accepts. Automaton has 22751 states and 62627 transitions. Word has length 199 [2022-03-15 13:57:35,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:57:35,075 INFO L470 AbstractCegarLoop]: Abstraction has 22751 states and 62627 transitions. [2022-03-15 13:57:35,075 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:35,075 INFO L276 IsEmpty]: Start isEmpty. Operand 22751 states and 62627 transitions. [2022-03-15 13:57:35,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:57:35,106 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:57:35,107 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:57:35,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2022-03-15 13:57:35,107 INFO L402 AbstractCegarLoop]: === Iteration 159 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:57:35,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:57:35,107 INFO L85 PathProgramCache]: Analyzing trace with hash 691855757, now seen corresponding path program 135 times [2022-03-15 13:57:35,107 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:57:35,107 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018972831] [2022-03-15 13:57:35,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:57:35,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:57:35,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:57:35,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:57:35,470 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:57:35,470 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018972831] [2022-03-15 13:57:35,470 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018972831] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:57:35,470 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:57:35,470 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:57:35,470 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785480824] [2022-03-15 13:57:35,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:57:35,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:57:35,471 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:57:35,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:57:35,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:57:35,471 INFO L87 Difference]: Start difference. First operand 22751 states and 62627 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:38,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:57:38,005 INFO L93 Difference]: Finished difference Result 38087 states and 103971 transitions. [2022-03-15 13:57:38,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-03-15 13:57:38,005 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:57:38,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:57:38,074 INFO L225 Difference]: With dead ends: 38087 [2022-03-15 13:57:38,075 INFO L226 Difference]: Without dead ends: 38087 [2022-03-15 13:57:38,075 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 879 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=625, Invalid=4487, Unknown=0, NotChecked=0, Total=5112 [2022-03-15 13:57:38,076 INFO L933 BasicCegarLoop]: 908 mSDtfsCounter, 1784 mSDsluCounter, 19639 mSDsCounter, 0 mSdLazyCounter, 4533 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1784 SdHoareTripleChecker+Valid, 20323 SdHoareTripleChecker+Invalid, 4556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 13:57:38,076 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1784 Valid, 20323 Invalid, 4556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4533 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 13:57:38,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38087 states. [2022-03-15 13:57:38,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38087 to 22911. [2022-03-15 13:57:38,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22911 states, 22910 states have (on average 2.754735923177652) internal successors, (63111), 22910 states have internal predecessors, (63111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:38,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22911 states to 22911 states and 63111 transitions. [2022-03-15 13:57:38,658 INFO L78 Accepts]: Start accepts. Automaton has 22911 states and 63111 transitions. Word has length 199 [2022-03-15 13:57:38,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:57:38,658 INFO L470 AbstractCegarLoop]: Abstraction has 22911 states and 63111 transitions. [2022-03-15 13:57:38,658 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:38,658 INFO L276 IsEmpty]: Start isEmpty. Operand 22911 states and 63111 transitions. [2022-03-15 13:57:38,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:57:38,691 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:57:38,691 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:57:38,691 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2022-03-15 13:57:38,692 INFO L402 AbstractCegarLoop]: === Iteration 160 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:57:38,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:57:38,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1329942285, now seen corresponding path program 136 times [2022-03-15 13:57:38,692 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:57:38,692 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827235690] [2022-03-15 13:57:38,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:57:38,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:57:38,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:57:38,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:57:38,977 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:57:38,977 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827235690] [2022-03-15 13:57:38,977 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827235690] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:57:38,978 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:57:38,978 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:57:38,978 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169247949] [2022-03-15 13:57:38,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:57:38,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:57:38,978 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:57:38,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:57:38,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:57:38,978 INFO L87 Difference]: Start difference. First operand 22911 states and 63111 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:41,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:57:41,594 INFO L93 Difference]: Finished difference Result 37183 states and 101771 transitions. [2022-03-15 13:57:41,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-15 13:57:41,594 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:57:41,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:57:41,668 INFO L225 Difference]: With dead ends: 37183 [2022-03-15 13:57:41,668 INFO L226 Difference]: Without dead ends: 37183 [2022-03-15 13:57:41,669 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1057 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=650, Invalid=5050, Unknown=0, NotChecked=0, Total=5700 [2022-03-15 13:57:41,669 INFO L933 BasicCegarLoop]: 944 mSDtfsCounter, 1777 mSDsluCounter, 20192 mSDsCounter, 0 mSdLazyCounter, 4583 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1777 SdHoareTripleChecker+Valid, 21003 SdHoareTripleChecker+Invalid, 4606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 13:57:41,669 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1777 Valid, 21003 Invalid, 4606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4583 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 13:57:41,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37183 states. [2022-03-15 13:57:42,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37183 to 22847. [2022-03-15 13:57:42,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22847 states, 22846 states have (on average 2.753348507397356) internal successors, (62903), 22846 states have internal predecessors, (62903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:42,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22847 states to 22847 states and 62903 transitions. [2022-03-15 13:57:42,213 INFO L78 Accepts]: Start accepts. Automaton has 22847 states and 62903 transitions. Word has length 199 [2022-03-15 13:57:42,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:57:42,213 INFO L470 AbstractCegarLoop]: Abstraction has 22847 states and 62903 transitions. [2022-03-15 13:57:42,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:42,214 INFO L276 IsEmpty]: Start isEmpty. Operand 22847 states and 62903 transitions. [2022-03-15 13:57:42,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:57:42,244 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:57:42,245 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:57:42,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2022-03-15 13:57:42,245 INFO L402 AbstractCegarLoop]: === Iteration 161 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:57:42,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:57:42,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1707139509, now seen corresponding path program 137 times [2022-03-15 13:57:42,245 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:57:42,245 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383061289] [2022-03-15 13:57:42,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:57:42,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:57:42,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:57:42,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:57:42,531 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:57:42,531 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383061289] [2022-03-15 13:57:42,531 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383061289] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:57:42,531 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:57:42,532 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:57:42,532 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849127802] [2022-03-15 13:57:42,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:57:42,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:57:42,532 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:57:42,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:57:42,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:57:42,532 INFO L87 Difference]: Start difference. First operand 22847 states and 62903 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:44,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:57:44,948 INFO L93 Difference]: Finished difference Result 34988 states and 95598 transitions. [2022-03-15 13:57:44,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-15 13:57:44,948 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:57:44,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:57:45,017 INFO L225 Difference]: With dead ends: 34988 [2022-03-15 13:57:45,017 INFO L226 Difference]: Without dead ends: 34988 [2022-03-15 13:57:45,018 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 718 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=584, Invalid=3972, Unknown=0, NotChecked=0, Total=4556 [2022-03-15 13:57:45,018 INFO L933 BasicCegarLoop]: 887 mSDtfsCounter, 1599 mSDsluCounter, 19051 mSDsCounter, 0 mSdLazyCounter, 4250 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1599 SdHoareTripleChecker+Valid, 19734 SdHoareTripleChecker+Invalid, 4269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 13:57:45,018 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1599 Valid, 19734 Invalid, 4269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4250 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 13:57:45,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34988 states. [2022-03-15 13:57:45,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34988 to 22799. [2022-03-15 13:57:45,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22799 states, 22798 states have (on average 2.7528291955434687) internal successors, (62759), 22798 states have internal predecessors, (62759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:45,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22799 states to 22799 states and 62759 transitions. [2022-03-15 13:57:45,493 INFO L78 Accepts]: Start accepts. Automaton has 22799 states and 62759 transitions. Word has length 199 [2022-03-15 13:57:45,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:57:45,493 INFO L470 AbstractCegarLoop]: Abstraction has 22799 states and 62759 transitions. [2022-03-15 13:57:45,493 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:45,493 INFO L276 IsEmpty]: Start isEmpty. Operand 22799 states and 62759 transitions. [2022-03-15 13:57:45,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:57:45,523 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:57:45,523 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:57:45,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2022-03-15 13:57:45,523 INFO L402 AbstractCegarLoop]: === Iteration 162 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:57:45,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:57:45,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1344432821, now seen corresponding path program 138 times [2022-03-15 13:57:45,524 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:57:45,524 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420656983] [2022-03-15 13:57:45,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:57:45,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:57:45,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:57:45,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:57:45,810 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:57:45,810 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420656983] [2022-03-15 13:57:45,810 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420656983] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:57:45,810 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:57:45,810 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:57:45,810 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146178772] [2022-03-15 13:57:45,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:57:45,810 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:57:45,810 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:57:45,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:57:45,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:57:45,811 INFO L87 Difference]: Start difference. First operand 22799 states and 62759 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:48,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:57:48,486 INFO L93 Difference]: Finished difference Result 38679 states and 105561 transitions. [2022-03-15 13:57:48,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-15 13:57:48,486 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:57:48,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:57:48,555 INFO L225 Difference]: With dead ends: 38679 [2022-03-15 13:57:48,555 INFO L226 Difference]: Without dead ends: 38679 [2022-03-15 13:57:48,556 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1017 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=639, Invalid=4911, Unknown=0, NotChecked=0, Total=5550 [2022-03-15 13:57:48,556 INFO L933 BasicCegarLoop]: 945 mSDtfsCounter, 1791 mSDsluCounter, 20560 mSDsCounter, 0 mSdLazyCounter, 4747 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1791 SdHoareTripleChecker+Valid, 21235 SdHoareTripleChecker+Invalid, 4770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:57:48,556 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1791 Valid, 21235 Invalid, 4770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4747 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:57:48,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38679 states. [2022-03-15 13:57:49,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38679 to 22911. [2022-03-15 13:57:49,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22911 states, 22910 states have (on average 2.754735923177652) internal successors, (63111), 22910 states have internal predecessors, (63111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:49,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22911 states to 22911 states and 63111 transitions. [2022-03-15 13:57:49,082 INFO L78 Accepts]: Start accepts. Automaton has 22911 states and 63111 transitions. Word has length 199 [2022-03-15 13:57:49,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:57:49,082 INFO L470 AbstractCegarLoop]: Abstraction has 22911 states and 63111 transitions. [2022-03-15 13:57:49,082 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:49,082 INFO L276 IsEmpty]: Start isEmpty. Operand 22911 states and 63111 transitions. [2022-03-15 13:57:49,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:57:49,114 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:57:49,114 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:57:49,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2022-03-15 13:57:49,114 INFO L402 AbstractCegarLoop]: === Iteration 163 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:57:49,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:57:49,114 INFO L85 PathProgramCache]: Analyzing trace with hash 928736433, now seen corresponding path program 139 times [2022-03-15 13:57:49,114 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:57:49,114 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835870284] [2022-03-15 13:57:49,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:57:49,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:57:49,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:57:49,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:57:49,405 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:57:49,405 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835870284] [2022-03-15 13:57:49,405 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835870284] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:57:49,405 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:57:49,405 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:57:49,405 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709426763] [2022-03-15 13:57:49,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:57:49,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:57:49,406 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:57:49,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:57:49,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:57:49,406 INFO L87 Difference]: Start difference. First operand 22911 states and 63111 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:52,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:57:52,122 INFO L93 Difference]: Finished difference Result 37667 states and 103093 transitions. [2022-03-15 13:57:52,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-15 13:57:52,122 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:57:52,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:57:52,194 INFO L225 Difference]: With dead ends: 37667 [2022-03-15 13:57:52,194 INFO L226 Difference]: Without dead ends: 37667 [2022-03-15 13:57:52,195 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1160 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=654, Invalid=5352, Unknown=0, NotChecked=0, Total=6006 [2022-03-15 13:57:52,195 INFO L933 BasicCegarLoop]: 1001 mSDtfsCounter, 1786 mSDsluCounter, 21563 mSDsCounter, 0 mSdLazyCounter, 4768 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1786 SdHoareTripleChecker+Valid, 22365 SdHoareTripleChecker+Invalid, 4791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:57:52,195 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1786 Valid, 22365 Invalid, 4791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4768 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:57:52,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37667 states. [2022-03-15 13:57:52,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37667 to 22847. [2022-03-15 13:57:52,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22847 states, 22846 states have (on average 2.753348507397356) internal successors, (62903), 22846 states have internal predecessors, (62903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:52,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22847 states to 22847 states and 62903 transitions. [2022-03-15 13:57:52,728 INFO L78 Accepts]: Start accepts. Automaton has 22847 states and 62903 transitions. Word has length 199 [2022-03-15 13:57:52,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:57:52,728 INFO L470 AbstractCegarLoop]: Abstraction has 22847 states and 62903 transitions. [2022-03-15 13:57:52,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:52,729 INFO L276 IsEmpty]: Start isEmpty. Operand 22847 states and 62903 transitions. [2022-03-15 13:57:52,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:57:52,759 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:57:52,759 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:57:52,760 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2022-03-15 13:57:52,760 INFO L402 AbstractCegarLoop]: === Iteration 164 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:57:52,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:57:52,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1278190317, now seen corresponding path program 140 times [2022-03-15 13:57:52,760 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:57:52,760 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456227151] [2022-03-15 13:57:52,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:57:52,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:57:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:57:53,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:57:53,054 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:57:53,054 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456227151] [2022-03-15 13:57:53,054 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456227151] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:57:53,054 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:57:53,054 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:57:53,054 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080423185] [2022-03-15 13:57:53,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:57:53,054 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:57:53,054 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:57:53,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:57:53,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:57:53,055 INFO L87 Difference]: Start difference. First operand 22847 states and 62903 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:55,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:57:55,636 INFO L93 Difference]: Finished difference Result 34408 states and 94290 transitions. [2022-03-15 13:57:55,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-03-15 13:57:55,636 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:57:55,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:57:55,692 INFO L225 Difference]: With dead ends: 34408 [2022-03-15 13:57:55,692 INFO L226 Difference]: Without dead ends: 34408 [2022-03-15 13:57:55,692 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 898 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=575, Invalid=4537, Unknown=0, NotChecked=0, Total=5112 [2022-03-15 13:57:55,692 INFO L933 BasicCegarLoop]: 945 mSDtfsCounter, 1545 mSDsluCounter, 20243 mSDsCounter, 0 mSdLazyCounter, 4551 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1545 SdHoareTripleChecker+Valid, 21013 SdHoareTripleChecker+Invalid, 4570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:57:55,693 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1545 Valid, 21013 Invalid, 4570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4551 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:57:55,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34408 states. [2022-03-15 13:57:56,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34408 to 22763. [2022-03-15 13:57:56,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22763 states, 22762 states have (on average 2.7528336701520075) internal successors, (62660), 22762 states have internal predecessors, (62660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:56,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22763 states to 22763 states and 62660 transitions. [2022-03-15 13:57:56,092 INFO L78 Accepts]: Start accepts. Automaton has 22763 states and 62660 transitions. Word has length 199 [2022-03-15 13:57:56,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:57:56,092 INFO L470 AbstractCegarLoop]: Abstraction has 22763 states and 62660 transitions. [2022-03-15 13:57:56,093 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:56,093 INFO L276 IsEmpty]: Start isEmpty. Operand 22763 states and 62660 transitions. [2022-03-15 13:57:56,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:57:56,121 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:57:56,121 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:57:56,121 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2022-03-15 13:57:56,121 INFO L402 AbstractCegarLoop]: === Iteration 165 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:57:56,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:57:56,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1371592017, now seen corresponding path program 141 times [2022-03-15 13:57:56,121 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:57:56,122 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363037492] [2022-03-15 13:57:56,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:57:56,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:57:56,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:57:56,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:57:56,400 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:57:56,400 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363037492] [2022-03-15 13:57:56,401 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363037492] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:57:56,401 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:57:56,401 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:57:56,401 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781869895] [2022-03-15 13:57:56,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:57:56,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:57:56,401 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:57:56,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:57:56,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:57:56,402 INFO L87 Difference]: Start difference. First operand 22763 states and 62660 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:59,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:57:59,228 INFO L93 Difference]: Finished difference Result 42725 states and 116437 transitions. [2022-03-15 13:57:59,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-15 13:57:59,228 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:57:59,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:57:59,309 INFO L225 Difference]: With dead ends: 42725 [2022-03-15 13:57:59,309 INFO L226 Difference]: Without dead ends: 42725 [2022-03-15 13:57:59,310 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1151 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=685, Invalid=5321, Unknown=0, NotChecked=0, Total=6006 [2022-03-15 13:57:59,310 INFO L933 BasicCegarLoop]: 1006 mSDtfsCounter, 1972 mSDsluCounter, 22018 mSDsCounter, 0 mSdLazyCounter, 5065 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1972 SdHoareTripleChecker+Valid, 22708 SdHoareTripleChecker+Invalid, 5088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5065 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:57:59,310 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1972 Valid, 22708 Invalid, 5088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5065 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:57:59,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42725 states. [2022-03-15 13:57:59,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42725 to 22891. [2022-03-15 13:57:59,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22891 states, 22890 states have (on average 2.7549148099606815) internal successors, (63060), 22890 states have internal predecessors, (63060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:59,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22891 states to 22891 states and 63060 transitions. [2022-03-15 13:57:59,887 INFO L78 Accepts]: Start accepts. Automaton has 22891 states and 63060 transitions. Word has length 199 [2022-03-15 13:57:59,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:57:59,887 INFO L470 AbstractCegarLoop]: Abstraction has 22891 states and 63060 transitions. [2022-03-15 13:57:59,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:57:59,887 INFO L276 IsEmpty]: Start isEmpty. Operand 22891 states and 63060 transitions. [2022-03-15 13:57:59,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:57:59,920 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:57:59,920 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:57:59,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2022-03-15 13:57:59,920 INFO L402 AbstractCegarLoop]: === Iteration 166 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:57:59,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:57:59,920 INFO L85 PathProgramCache]: Analyzing trace with hash -650206025, now seen corresponding path program 142 times [2022-03-15 13:57:59,920 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:57:59,921 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853663275] [2022-03-15 13:57:59,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:57:59,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:57:59,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:58:00,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:58:00,206 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:58:00,206 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853663275] [2022-03-15 13:58:00,206 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853663275] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:58:00,206 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:58:00,206 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:58:00,206 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540826164] [2022-03-15 13:58:00,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:58:00,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:58:00,206 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:58:00,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:58:00,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:58:00,207 INFO L87 Difference]: Start difference. First operand 22891 states and 63060 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:03,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:58:03,038 INFO L93 Difference]: Finished difference Result 41542 states and 113531 transitions. [2022-03-15 13:58:03,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-15 13:58:03,039 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:58:03,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:58:03,115 INFO L225 Difference]: With dead ends: 41542 [2022-03-15 13:58:03,115 INFO L226 Difference]: Without dead ends: 41542 [2022-03-15 13:58:03,116 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1353 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=719, Invalid=5923, Unknown=0, NotChecked=0, Total=6642 [2022-03-15 13:58:03,117 INFO L933 BasicCegarLoop]: 1075 mSDtfsCounter, 1948 mSDsluCounter, 23260 mSDsCounter, 0 mSdLazyCounter, 5021 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1948 SdHoareTripleChecker+Valid, 24089 SdHoareTripleChecker+Invalid, 5044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:58:03,117 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1948 Valid, 24089 Invalid, 5044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5021 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:58:03,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41542 states. [2022-03-15 13:58:03,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41542 to 22827. [2022-03-15 13:58:03,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22827 states, 22826 states have (on average 2.7535266801016385) internal successors, (62852), 22826 states have internal predecessors, (62852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:03,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22827 states to 22827 states and 62852 transitions. [2022-03-15 13:58:03,661 INFO L78 Accepts]: Start accepts. Automaton has 22827 states and 62852 transitions. Word has length 199 [2022-03-15 13:58:03,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:58:03,661 INFO L470 AbstractCegarLoop]: Abstraction has 22827 states and 62852 transitions. [2022-03-15 13:58:03,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:03,661 INFO L276 IsEmpty]: Start isEmpty. Operand 22827 states and 62852 transitions. [2022-03-15 13:58:03,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:58:03,691 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:58:03,691 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:58:03,691 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2022-03-15 13:58:03,691 INFO L402 AbstractCegarLoop]: === Iteration 167 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:58:03,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:58:03,691 INFO L85 PathProgramCache]: Analyzing trace with hash -300752141, now seen corresponding path program 143 times [2022-03-15 13:58:03,691 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:58:03,692 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772379060] [2022-03-15 13:58:03,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:58:03,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:58:03,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:58:03,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:58:03,972 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:58:03,972 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772379060] [2022-03-15 13:58:03,972 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772379060] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:58:03,972 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:58:03,973 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:58:03,973 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339442830] [2022-03-15 13:58:03,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:58:03,973 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:58:03,973 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:58:03,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:58:03,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:58:03,973 INFO L87 Difference]: Start difference. First operand 22827 states and 62852 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:06,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:58:06,584 INFO L93 Difference]: Finished difference Result 37712 states and 103284 transitions. [2022-03-15 13:58:06,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-15 13:58:06,584 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:58:06,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:58:06,650 INFO L225 Difference]: With dead ends: 37712 [2022-03-15 13:58:06,650 INFO L226 Difference]: Without dead ends: 37712 [2022-03-15 13:58:06,651 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1023 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=616, Invalid=4934, Unknown=0, NotChecked=0, Total=5550 [2022-03-15 13:58:06,651 INFO L933 BasicCegarLoop]: 1020 mSDtfsCounter, 1658 mSDsluCounter, 21937 mSDsCounter, 0 mSdLazyCounter, 4817 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1658 SdHoareTripleChecker+Valid, 22738 SdHoareTripleChecker+Invalid, 4836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4817 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:58:06,652 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1658 Valid, 22738 Invalid, 4836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4817 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:58:06,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37712 states. [2022-03-15 13:58:07,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37712 to 22779. [2022-03-15 13:58:07,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22779 states, 22778 states have (on average 2.7530072877337783) internal successors, (62708), 22778 states have internal predecessors, (62708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:07,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22779 states to 22779 states and 62708 transitions. [2022-03-15 13:58:07,181 INFO L78 Accepts]: Start accepts. Automaton has 22779 states and 62708 transitions. Word has length 199 [2022-03-15 13:58:07,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:58:07,181 INFO L470 AbstractCegarLoop]: Abstraction has 22779 states and 62708 transitions. [2022-03-15 13:58:07,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:07,181 INFO L276 IsEmpty]: Start isEmpty. Operand 22779 states and 62708 transitions. [2022-03-15 13:58:07,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:58:07,211 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:58:07,211 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:58:07,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2022-03-15 13:58:07,211 INFO L402 AbstractCegarLoop]: === Iteration 168 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:58:07,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:58:07,212 INFO L85 PathProgramCache]: Analyzing trace with hash 701619839, now seen corresponding path program 144 times [2022-03-15 13:58:07,212 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:58:07,212 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041456830] [2022-03-15 13:58:07,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:58:07,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:58:07,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:58:07,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:58:07,496 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:58:07,496 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041456830] [2022-03-15 13:58:07,496 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041456830] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:58:07,496 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:58:07,497 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:58:07,497 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837327941] [2022-03-15 13:58:07,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:58:07,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:58:07,497 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:58:07,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:58:07,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:58:07,497 INFO L87 Difference]: Start difference. First operand 22779 states and 62708 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:10,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:58:10,090 INFO L93 Difference]: Finished difference Result 38446 states and 104978 transitions. [2022-03-15 13:58:10,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-15 13:58:10,090 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:58:10,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:58:10,157 INFO L225 Difference]: With dead ends: 38446 [2022-03-15 13:58:10,157 INFO L226 Difference]: Without dead ends: 38446 [2022-03-15 13:58:10,157 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1025 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=609, Invalid=4941, Unknown=0, NotChecked=0, Total=5550 [2022-03-15 13:58:10,158 INFO L933 BasicCegarLoop]: 1049 mSDtfsCounter, 1692 mSDsluCounter, 22656 mSDsCounter, 0 mSdLazyCounter, 4748 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1692 SdHoareTripleChecker+Valid, 23461 SdHoareTripleChecker+Invalid, 4767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:58:10,158 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1692 Valid, 23461 Invalid, 4767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4748 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:58:10,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38446 states. [2022-03-15 13:58:10,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38446 to 22595. [2022-03-15 13:58:10,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22595 states, 22594 states have (on average 2.752854740196512) internal successors, (62198), 22594 states have internal predecessors, (62198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:10,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22595 states to 22595 states and 62198 transitions. [2022-03-15 13:58:10,654 INFO L78 Accepts]: Start accepts. Automaton has 22595 states and 62198 transitions. Word has length 199 [2022-03-15 13:58:10,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:58:10,654 INFO L470 AbstractCegarLoop]: Abstraction has 22595 states and 62198 transitions. [2022-03-15 13:58:10,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:10,654 INFO L276 IsEmpty]: Start isEmpty. Operand 22595 states and 62198 transitions. [2022-03-15 13:58:10,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:58:10,683 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:58:10,683 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:58:10,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167 [2022-03-15 13:58:10,683 INFO L402 AbstractCegarLoop]: === Iteration 169 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:58:10,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:58:10,683 INFO L85 PathProgramCache]: Analyzing trace with hash -386814799, now seen corresponding path program 145 times [2022-03-15 13:58:10,683 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:58:10,683 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533148736] [2022-03-15 13:58:10,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:58:10,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:58:10,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:58:10,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:58:10,972 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:58:10,972 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533148736] [2022-03-15 13:58:10,973 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533148736] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:58:10,973 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:58:10,973 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:58:10,973 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922317786] [2022-03-15 13:58:10,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:58:10,973 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:58:10,973 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:58:10,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:58:10,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:58:10,980 INFO L87 Difference]: Start difference. First operand 22595 states and 62198 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:14,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:58:14,292 INFO L93 Difference]: Finished difference Result 47458 states and 129111 transitions. [2022-03-15 13:58:14,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-15 13:58:14,292 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:58:14,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:58:14,377 INFO L225 Difference]: With dead ends: 47458 [2022-03-15 13:58:14,377 INFO L226 Difference]: Without dead ends: 47458 [2022-03-15 13:58:14,377 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1381 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=781, Invalid=6025, Unknown=0, NotChecked=0, Total=6806 [2022-03-15 13:58:14,378 INFO L933 BasicCegarLoop]: 1111 mSDtfsCounter, 2218 mSDsluCounter, 24494 mSDsCounter, 0 mSdLazyCounter, 5574 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2218 SdHoareTripleChecker+Valid, 25201 SdHoareTripleChecker+Invalid, 5597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-15 13:58:14,378 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2218 Valid, 25201 Invalid, 5597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5574 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-15 13:58:14,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47458 states. [2022-03-15 13:58:14,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47458 to 22947. [2022-03-15 13:58:14,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22947 states, 22946 states have (on average 2.7573433278131265) internal successors, (63270), 22946 states have internal predecessors, (63270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:14,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22947 states to 22947 states and 63270 transitions. [2022-03-15 13:58:14,901 INFO L78 Accepts]: Start accepts. Automaton has 22947 states and 63270 transitions. Word has length 199 [2022-03-15 13:58:14,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:58:14,901 INFO L470 AbstractCegarLoop]: Abstraction has 22947 states and 63270 transitions. [2022-03-15 13:58:14,901 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:14,901 INFO L276 IsEmpty]: Start isEmpty. Operand 22947 states and 63270 transitions. [2022-03-15 13:58:14,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:58:14,930 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:58:14,930 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:58:14,930 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168 [2022-03-15 13:58:14,930 INFO L402 AbstractCegarLoop]: === Iteration 170 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:58:14,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:58:14,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1886354455, now seen corresponding path program 146 times [2022-03-15 13:58:14,930 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:58:14,930 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264446799] [2022-03-15 13:58:14,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:58:14,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:58:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:58:15,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:58:15,212 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:58:15,212 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264446799] [2022-03-15 13:58:15,212 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264446799] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:58:15,212 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:58:15,212 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:58:15,212 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440379319] [2022-03-15 13:58:15,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:58:15,212 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:58:15,212 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:58:15,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:58:15,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:58:15,213 INFO L87 Difference]: Start difference. First operand 22947 states and 63270 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:18,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:58:18,246 INFO L93 Difference]: Finished difference Result 44953 states and 122746 transitions. [2022-03-15 13:58:18,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-03-15 13:58:18,246 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:58:18,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:58:18,333 INFO L225 Difference]: With dead ends: 44953 [2022-03-15 13:58:18,334 INFO L226 Difference]: Without dead ends: 44953 [2022-03-15 13:58:18,335 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1510 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=772, Invalid=6368, Unknown=0, NotChecked=0, Total=7140 [2022-03-15 13:58:18,335 INFO L933 BasicCegarLoop]: 1130 mSDtfsCounter, 2116 mSDsluCounter, 24678 mSDsCounter, 0 mSdLazyCounter, 5324 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2116 SdHoareTripleChecker+Valid, 25511 SdHoareTripleChecker+Invalid, 5347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 13:58:18,335 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2116 Valid, 25511 Invalid, 5347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5324 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 13:58:18,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44953 states. [2022-03-15 13:58:18,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44953 to 22883. [2022-03-15 13:58:18,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22883 states, 22882 states have (on average 2.7559653876409405) internal successors, (63062), 22882 states have internal predecessors, (63062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:18,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22883 states to 22883 states and 63062 transitions. [2022-03-15 13:58:18,898 INFO L78 Accepts]: Start accepts. Automaton has 22883 states and 63062 transitions. Word has length 199 [2022-03-15 13:58:18,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:58:18,898 INFO L470 AbstractCegarLoop]: Abstraction has 22883 states and 63062 transitions. [2022-03-15 13:58:18,898 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:18,898 INFO L276 IsEmpty]: Start isEmpty. Operand 22883 states and 63062 transitions. [2022-03-15 13:58:18,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:58:18,928 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:58:18,928 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:58:18,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169 [2022-03-15 13:58:18,928 INFO L402 AbstractCegarLoop]: === Iteration 171 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:58:18,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:58:18,928 INFO L85 PathProgramCache]: Analyzing trace with hash -485475471, now seen corresponding path program 147 times [2022-03-15 13:58:18,928 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:58:18,929 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911144603] [2022-03-15 13:58:18,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:58:18,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:58:18,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:58:19,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:58:19,210 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:58:19,210 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911144603] [2022-03-15 13:58:19,210 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911144603] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:58:19,210 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:58:19,210 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:58:19,210 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342488617] [2022-03-15 13:58:19,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:58:19,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:58:19,211 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:58:19,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:58:19,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:58:19,211 INFO L87 Difference]: Start difference. First operand 22883 states and 63062 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:22,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:58:22,128 INFO L93 Difference]: Finished difference Result 43095 states and 117961 transitions. [2022-03-15 13:58:22,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-03-15 13:58:22,129 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:58:22,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:58:22,211 INFO L225 Difference]: With dead ends: 43095 [2022-03-15 13:58:22,211 INFO L226 Difference]: Without dead ends: 43095 [2022-03-15 13:58:22,212 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1202 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=679, Invalid=5483, Unknown=0, NotChecked=0, Total=6162 [2022-03-15 13:58:22,212 INFO L933 BasicCegarLoop]: 1125 mSDtfsCounter, 1846 mSDsluCounter, 24298 mSDsCounter, 0 mSdLazyCounter, 5291 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1846 SdHoareTripleChecker+Valid, 25139 SdHoareTripleChecker+Invalid, 5310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 13:58:22,212 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1846 Valid, 25139 Invalid, 5310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5291 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 13:58:22,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43095 states. [2022-03-15 13:58:22,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43095 to 22835. [2022-03-15 13:58:22,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22835 states, 22834 states have (on average 2.755452395550495) internal successors, (62918), 22834 states have internal predecessors, (62918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:22,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22835 states to 22835 states and 62918 transitions. [2022-03-15 13:58:22,741 INFO L78 Accepts]: Start accepts. Automaton has 22835 states and 62918 transitions. Word has length 199 [2022-03-15 13:58:22,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:58:22,741 INFO L470 AbstractCegarLoop]: Abstraction has 22835 states and 62918 transitions. [2022-03-15 13:58:22,741 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:22,741 INFO L276 IsEmpty]: Start isEmpty. Operand 22835 states and 62918 transitions. [2022-03-15 13:58:22,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:58:22,770 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:58:22,770 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:58:22,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170 [2022-03-15 13:58:22,770 INFO L402 AbstractCegarLoop]: === Iteration 172 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:58:22,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:58:22,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1115811429, now seen corresponding path program 148 times [2022-03-15 13:58:22,771 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:58:22,771 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39694864] [2022-03-15 13:58:22,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:58:22,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:58:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:58:23,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:58:23,055 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:58:23,055 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39694864] [2022-03-15 13:58:23,055 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39694864] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:58:23,055 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:58:23,055 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:58:23,055 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208486920] [2022-03-15 13:58:23,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:58:23,055 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:58:23,055 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:58:23,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:58:23,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:58:23,056 INFO L87 Difference]: Start difference. First operand 22835 states and 62918 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:25,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:58:25,946 INFO L93 Difference]: Finished difference Result 44453 states and 121353 transitions. [2022-03-15 13:58:25,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-03-15 13:58:25,947 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:58:25,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:58:26,030 INFO L225 Difference]: With dead ends: 44453 [2022-03-15 13:58:26,031 INFO L226 Difference]: Without dead ends: 44453 [2022-03-15 13:58:26,032 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1203 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=675, Invalid=5487, Unknown=0, NotChecked=0, Total=6162 [2022-03-15 13:58:26,032 INFO L933 BasicCegarLoop]: 1138 mSDtfsCounter, 1902 mSDsluCounter, 24603 mSDsCounter, 0 mSdLazyCounter, 5211 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1902 SdHoareTripleChecker+Valid, 25454 SdHoareTripleChecker+Invalid, 5230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:58:26,032 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1902 Valid, 25454 Invalid, 5230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5211 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:58:26,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44453 states. [2022-03-15 13:58:26,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44453 to 22819. [2022-03-15 13:58:26,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22819 states, 22818 states have (on average 2.7552809185730562) internal successors, (62870), 22818 states have internal predecessors, (62870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:26,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22819 states to 22819 states and 62870 transitions. [2022-03-15 13:58:26,581 INFO L78 Accepts]: Start accepts. Automaton has 22819 states and 62870 transitions. Word has length 199 [2022-03-15 13:58:26,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:58:26,581 INFO L470 AbstractCegarLoop]: Abstraction has 22819 states and 62870 transitions. [2022-03-15 13:58:26,581 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:26,581 INFO L276 IsEmpty]: Start isEmpty. Operand 22819 states and 62870 transitions. [2022-03-15 13:58:26,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:58:26,609 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:58:26,610 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:58:26,610 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable171 [2022-03-15 13:58:26,610 INFO L402 AbstractCegarLoop]: === Iteration 173 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:58:26,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:58:26,610 INFO L85 PathProgramCache]: Analyzing trace with hash 514580111, now seen corresponding path program 149 times [2022-03-15 13:58:26,610 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:58:26,610 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72580357] [2022-03-15 13:58:26,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:58:26,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:58:26,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:58:26,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:58:26,892 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:58:26,892 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72580357] [2022-03-15 13:58:26,892 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72580357] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:58:26,892 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:58:26,892 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:58:26,892 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254054957] [2022-03-15 13:58:26,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:58:26,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:58:26,893 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:58:26,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:58:26,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:58:26,893 INFO L87 Difference]: Start difference. First operand 22819 states and 62870 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:29,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:58:29,747 INFO L93 Difference]: Finished difference Result 45696 states and 124525 transitions. [2022-03-15 13:58:29,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-03-15 13:58:29,747 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:58:29,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:58:29,832 INFO L225 Difference]: With dead ends: 45696 [2022-03-15 13:58:29,832 INFO L226 Difference]: Without dead ends: 45696 [2022-03-15 13:58:29,833 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1204 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=668, Invalid=5494, Unknown=0, NotChecked=0, Total=6162 [2022-03-15 13:58:29,834 INFO L933 BasicCegarLoop]: 1175 mSDtfsCounter, 1872 mSDsluCounter, 25383 mSDsCounter, 0 mSdLazyCounter, 5211 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1872 SdHoareTripleChecker+Valid, 26251 SdHoareTripleChecker+Invalid, 5230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:58:29,834 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1872 Valid, 26251 Invalid, 5230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5211 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:58:29,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45696 states. [2022-03-15 13:58:30,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45696 to 22611. [2022-03-15 13:58:30,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22611 states, 22610 states have (on average 2.7530296329057937) internal successors, (62246), 22610 states have internal predecessors, (62246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:30,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22611 states to 22611 states and 62246 transitions. [2022-03-15 13:58:30,377 INFO L78 Accepts]: Start accepts. Automaton has 22611 states and 62246 transitions. Word has length 199 [2022-03-15 13:58:30,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:58:30,377 INFO L470 AbstractCegarLoop]: Abstraction has 22611 states and 62246 transitions. [2022-03-15 13:58:30,378 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:30,378 INFO L276 IsEmpty]: Start isEmpty. Operand 22611 states and 62246 transitions. [2022-03-15 13:58:30,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:58:30,407 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:58:30,407 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:58:30,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172 [2022-03-15 13:58:30,408 INFO L402 AbstractCegarLoop]: === Iteration 174 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:58:30,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:58:30,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1850373683, now seen corresponding path program 150 times [2022-03-15 13:58:30,408 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:58:30,408 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707306492] [2022-03-15 13:58:30,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:58:30,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:58:30,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:58:30,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:58:30,694 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:58:30,694 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707306492] [2022-03-15 13:58:30,695 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707306492] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:58:30,695 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:58:30,695 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:58:30,695 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125725551] [2022-03-15 13:58:30,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:58:30,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:58:30,695 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:58:30,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:58:30,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:58:30,696 INFO L87 Difference]: Start difference. First operand 22611 states and 62246 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:33,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:58:33,453 INFO L93 Difference]: Finished difference Result 41265 states and 112417 transitions. [2022-03-15 13:58:33,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-15 13:58:33,454 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:58:33,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:58:33,527 INFO L225 Difference]: With dead ends: 41265 [2022-03-15 13:58:33,527 INFO L226 Difference]: Without dead ends: 41265 [2022-03-15 13:58:33,528 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1071 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=617, Invalid=5083, Unknown=0, NotChecked=0, Total=5700 [2022-03-15 13:58:33,528 INFO L933 BasicCegarLoop]: 1131 mSDtfsCounter, 1819 mSDsluCounter, 24468 mSDsCounter, 0 mSdLazyCounter, 4941 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1819 SdHoareTripleChecker+Valid, 25293 SdHoareTripleChecker+Invalid, 4960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:58:33,528 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1819 Valid, 25293 Invalid, 4960 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4941 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:58:33,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41265 states. [2022-03-15 13:58:33,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41265 to 22583. [2022-03-15 13:58:33,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22583 states, 22582 states have (on average 2.752856257195997) internal successors, (62165), 22582 states have internal predecessors, (62165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:33,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22583 states to 22583 states and 62165 transitions. [2022-03-15 13:58:33,994 INFO L78 Accepts]: Start accepts. Automaton has 22583 states and 62165 transitions. Word has length 199 [2022-03-15 13:58:33,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:58:33,994 INFO L470 AbstractCegarLoop]: Abstraction has 22583 states and 62165 transitions. [2022-03-15 13:58:33,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:33,995 INFO L276 IsEmpty]: Start isEmpty. Operand 22583 states and 62165 transitions. [2022-03-15 13:58:34,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:58:34,022 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:58:34,023 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:58:34,023 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173 [2022-03-15 13:58:34,023 INFO L402 AbstractCegarLoop]: === Iteration 175 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:58:34,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:58:34,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1359362075, now seen corresponding path program 151 times [2022-03-15 13:58:34,023 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:58:34,023 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249998511] [2022-03-15 13:58:34,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:58:34,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:58:34,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:58:34,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:58:34,299 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:58:34,299 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249998511] [2022-03-15 13:58:34,299 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249998511] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:58:34,299 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:58:34,299 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:58:34,299 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378188848] [2022-03-15 13:58:34,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:58:34,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:58:34,300 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:58:34,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:58:34,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:58:34,300 INFO L87 Difference]: Start difference. First operand 22583 states and 62165 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:37,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:58:37,426 INFO L93 Difference]: Finished difference Result 48005 states and 130591 transitions. [2022-03-15 13:58:37,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-03-15 13:58:37,426 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:58:37,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:58:37,510 INFO L225 Difference]: With dead ends: 48005 [2022-03-15 13:58:37,510 INFO L226 Difference]: Without dead ends: 48005 [2022-03-15 13:58:37,511 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1473 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=831, Invalid=6309, Unknown=0, NotChecked=0, Total=7140 [2022-03-15 13:58:37,511 INFO L933 BasicCegarLoop]: 1154 mSDtfsCounter, 2346 mSDsluCounter, 25468 mSDsCounter, 0 mSdLazyCounter, 5508 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2346 SdHoareTripleChecker+Valid, 26177 SdHoareTripleChecker+Invalid, 5531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 13:58:37,511 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2346 Valid, 26177 Invalid, 5531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5508 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 13:58:37,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48005 states. [2022-03-15 13:58:37,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48005 to 22983. [2022-03-15 13:58:38,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22983 states, 22982 states have (on average 2.757853972674267) internal successors, (63381), 22982 states have internal predecessors, (63381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:38,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22983 states to 22983 states and 63381 transitions. [2022-03-15 13:58:38,062 INFO L78 Accepts]: Start accepts. Automaton has 22983 states and 63381 transitions. Word has length 199 [2022-03-15 13:58:38,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:58:38,062 INFO L470 AbstractCegarLoop]: Abstraction has 22983 states and 63381 transitions. [2022-03-15 13:58:38,062 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:38,062 INFO L276 IsEmpty]: Start isEmpty. Operand 22983 states and 63381 transitions. [2022-03-15 13:58:38,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:58:38,091 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:58:38,091 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:58:38,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174 [2022-03-15 13:58:38,091 INFO L402 AbstractCegarLoop]: === Iteration 176 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:58:38,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:58:38,092 INFO L85 PathProgramCache]: Analyzing trace with hash 913807179, now seen corresponding path program 152 times [2022-03-15 13:58:38,092 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:58:38,092 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611965561] [2022-03-15 13:58:38,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:58:38,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:58:38,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:58:38,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:58:38,374 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:58:38,374 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611965561] [2022-03-15 13:58:38,375 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611965561] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:58:38,375 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:58:38,375 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:58:38,375 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387753167] [2022-03-15 13:58:38,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:58:38,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:58:38,375 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:58:38,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:58:38,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:58:38,375 INFO L87 Difference]: Start difference. First operand 22983 states and 63381 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:41,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:58:41,412 INFO L93 Difference]: Finished difference Result 45312 states and 123734 transitions. [2022-03-15 13:58:41,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-03-15 13:58:41,413 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:58:41,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:58:41,495 INFO L225 Difference]: With dead ends: 45312 [2022-03-15 13:58:41,495 INFO L226 Difference]: Without dead ends: 45312 [2022-03-15 13:58:41,496 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1562 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=796, Invalid=6514, Unknown=0, NotChecked=0, Total=7310 [2022-03-15 13:58:41,497 INFO L933 BasicCegarLoop]: 1154 mSDtfsCounter, 2205 mSDsluCounter, 25287 mSDsCounter, 0 mSdLazyCounter, 5258 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2205 SdHoareTripleChecker+Valid, 26120 SdHoareTripleChecker+Invalid, 5281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:58:41,497 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2205 Valid, 26120 Invalid, 5281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5258 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:58:41,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45312 states. [2022-03-15 13:58:41,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45312 to 22919. [2022-03-15 13:58:41,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22919 states, 22918 states have (on average 2.7564796230037527) internal successors, (63173), 22918 states have internal predecessors, (63173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:42,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22919 states to 22919 states and 63173 transitions. [2022-03-15 13:58:42,026 INFO L78 Accepts]: Start accepts. Automaton has 22919 states and 63173 transitions. Word has length 199 [2022-03-15 13:58:42,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:58:42,026 INFO L470 AbstractCegarLoop]: Abstraction has 22919 states and 63173 transitions. [2022-03-15 13:58:42,026 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:42,026 INFO L276 IsEmpty]: Start isEmpty. Operand 22919 states and 63173 transitions. [2022-03-15 13:58:42,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:58:42,057 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:58:42,057 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:58:42,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175 [2022-03-15 13:58:42,057 INFO L402 AbstractCegarLoop]: === Iteration 177 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:58:42,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:58:42,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1458022747, now seen corresponding path program 153 times [2022-03-15 13:58:42,058 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:58:42,058 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073767001] [2022-03-15 13:58:42,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:58:42,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:58:42,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:58:42,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:58:42,343 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:58:42,343 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073767001] [2022-03-15 13:58:42,343 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073767001] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:58:42,343 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:58:42,343 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:58:42,343 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031548849] [2022-03-15 13:58:42,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:58:42,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:58:42,343 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:58:42,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:58:42,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:58:42,344 INFO L87 Difference]: Start difference. First operand 22919 states and 63173 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:45,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:58:45,284 INFO L93 Difference]: Finished difference Result 43454 states and 118949 transitions. [2022-03-15 13:58:45,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-15 13:58:45,284 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:58:45,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:58:45,362 INFO L225 Difference]: With dead ends: 43454 [2022-03-15 13:58:45,362 INFO L226 Difference]: Without dead ends: 43454 [2022-03-15 13:58:45,363 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1249 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=699, Invalid=5621, Unknown=0, NotChecked=0, Total=6320 [2022-03-15 13:58:45,363 INFO L933 BasicCegarLoop]: 1149 mSDtfsCounter, 1935 mSDsluCounter, 24817 mSDsCounter, 0 mSdLazyCounter, 5224 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1935 SdHoareTripleChecker+Valid, 25662 SdHoareTripleChecker+Invalid, 5243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:58:45,363 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1935 Valid, 25662 Invalid, 5243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5224 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:58:45,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43454 states. [2022-03-15 13:58:45,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43454 to 22871. [2022-03-15 13:58:45,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22871 states, 22870 states have (on average 2.755968517708789) internal successors, (63029), 22870 states have internal predecessors, (63029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:45,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22871 states to 22871 states and 63029 transitions. [2022-03-15 13:58:45,921 INFO L78 Accepts]: Start accepts. Automaton has 22871 states and 63029 transitions. Word has length 199 [2022-03-15 13:58:45,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:58:45,921 INFO L470 AbstractCegarLoop]: Abstraction has 22871 states and 63029 transitions. [2022-03-15 13:58:45,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:45,922 INFO L276 IsEmpty]: Start isEmpty. Operand 22871 states and 63029 transitions. [2022-03-15 13:58:45,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:58:45,951 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:58:45,951 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:58:45,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176 [2022-03-15 13:58:45,951 INFO L402 AbstractCegarLoop]: === Iteration 178 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:58:45,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:58:45,951 INFO L85 PathProgramCache]: Analyzing trace with hash 143264153, now seen corresponding path program 154 times [2022-03-15 13:58:45,951 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:58:45,951 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678338183] [2022-03-15 13:58:45,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:58:45,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:58:45,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:58:46,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:58:46,236 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:58:46,236 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678338183] [2022-03-15 13:58:46,236 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678338183] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:58:46,236 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:58:46,236 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:58:46,236 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503605202] [2022-03-15 13:58:46,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:58:46,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:58:46,237 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:58:46,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:58:46,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:58:46,237 INFO L87 Difference]: Start difference. First operand 22871 states and 63029 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:49,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:58:49,148 INFO L93 Difference]: Finished difference Result 44812 states and 122341 transitions. [2022-03-15 13:58:49,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-15 13:58:49,149 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:58:49,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:58:49,231 INFO L225 Difference]: With dead ends: 44812 [2022-03-15 13:58:49,231 INFO L226 Difference]: Without dead ends: 44812 [2022-03-15 13:58:49,232 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1249 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=696, Invalid=5624, Unknown=0, NotChecked=0, Total=6320 [2022-03-15 13:58:49,232 INFO L933 BasicCegarLoop]: 1162 mSDtfsCounter, 1991 mSDsluCounter, 25105 mSDsCounter, 0 mSdLazyCounter, 5151 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1991 SdHoareTripleChecker+Valid, 25960 SdHoareTripleChecker+Invalid, 5170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:58:49,232 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1991 Valid, 25960 Invalid, 5170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5151 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:58:49,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44812 states. [2022-03-15 13:58:49,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44812 to 22855. [2022-03-15 13:58:49,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22855 states, 22854 states have (on average 2.755797672179925) internal successors, (62981), 22854 states have internal predecessors, (62981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:49,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22855 states to 22855 states and 62981 transitions. [2022-03-15 13:58:49,774 INFO L78 Accepts]: Start accepts. Automaton has 22855 states and 62981 transitions. Word has length 199 [2022-03-15 13:58:49,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:58:49,774 INFO L470 AbstractCegarLoop]: Abstraction has 22855 states and 62981 transitions. [2022-03-15 13:58:49,774 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:49,774 INFO L276 IsEmpty]: Start isEmpty. Operand 22855 states and 62981 transitions. [2022-03-15 13:58:49,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:58:49,804 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:58:49,804 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:58:49,804 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable177 [2022-03-15 13:58:49,804 INFO L402 AbstractCegarLoop]: === Iteration 179 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:58:49,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:58:49,805 INFO L85 PathProgramCache]: Analyzing trace with hash -457967165, now seen corresponding path program 155 times [2022-03-15 13:58:49,805 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:58:49,805 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393519018] [2022-03-15 13:58:49,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:58:49,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:58:49,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:58:50,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:58:50,088 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:58:50,088 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393519018] [2022-03-15 13:58:50,088 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393519018] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:58:50,088 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:58:50,088 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:58:50,089 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558159653] [2022-03-15 13:58:50,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:58:50,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:58:50,089 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:58:50,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:58:50,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:58:50,089 INFO L87 Difference]: Start difference. First operand 22855 states and 62981 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:52,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:58:52,978 INFO L93 Difference]: Finished difference Result 46055 states and 125513 transitions. [2022-03-15 13:58:52,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-15 13:58:52,978 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:58:52,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:58:53,058 INFO L225 Difference]: With dead ends: 46055 [2022-03-15 13:58:53,058 INFO L226 Difference]: Without dead ends: 46055 [2022-03-15 13:58:53,059 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1249 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=690, Invalid=5630, Unknown=0, NotChecked=0, Total=6320 [2022-03-15 13:58:53,059 INFO L933 BasicCegarLoop]: 1199 mSDtfsCounter, 1961 mSDsluCounter, 25842 mSDsCounter, 0 mSdLazyCounter, 5157 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1961 SdHoareTripleChecker+Valid, 26715 SdHoareTripleChecker+Invalid, 5176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 13:58:53,059 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1961 Valid, 26715 Invalid, 5176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5157 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 13:58:53,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46055 states. [2022-03-15 13:58:53,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46055 to 22647. [2022-03-15 13:58:53,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22647 states, 22646 states have (on average 2.753554711648856) internal successors, (62357), 22646 states have internal predecessors, (62357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:53,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22647 states to 22647 states and 62357 transitions. [2022-03-15 13:58:53,581 INFO L78 Accepts]: Start accepts. Automaton has 22647 states and 62357 transitions. Word has length 199 [2022-03-15 13:58:53,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:58:53,581 INFO L470 AbstractCegarLoop]: Abstraction has 22647 states and 62357 transitions. [2022-03-15 13:58:53,581 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:53,581 INFO L276 IsEmpty]: Start isEmpty. Operand 22647 states and 62357 transitions. [2022-03-15 13:58:53,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:58:53,609 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:58:53,609 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:58:53,610 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178 [2022-03-15 13:58:53,610 INFO L402 AbstractCegarLoop]: === Iteration 180 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:58:53,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:58:53,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1472046337, now seen corresponding path program 156 times [2022-03-15 13:58:53,610 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:58:53,610 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625139560] [2022-03-15 13:58:53,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:58:53,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:58:53,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:58:53,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:58:53,891 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:58:53,892 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625139560] [2022-03-15 13:58:53,892 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625139560] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:58:53,892 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:58:53,892 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:58:53,892 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467512682] [2022-03-15 13:58:53,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:58:53,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:58:53,892 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:58:53,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:58:53,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:58:53,893 INFO L87 Difference]: Start difference. First operand 22647 states and 62357 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:56,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:58:56,720 INFO L93 Difference]: Finished difference Result 46713 states and 127235 transitions. [2022-03-15 13:58:56,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-03-15 13:58:56,721 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:58:56,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:58:56,804 INFO L225 Difference]: With dead ends: 46713 [2022-03-15 13:58:56,804 INFO L226 Difference]: Without dead ends: 46713 [2022-03-15 13:58:56,805 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1203 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=668, Invalid=5494, Unknown=0, NotChecked=0, Total=6162 [2022-03-15 13:58:56,805 INFO L933 BasicCegarLoop]: 1203 mSDtfsCounter, 1951 mSDsluCounter, 26008 mSDsCounter, 0 mSdLazyCounter, 5159 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1951 SdHoareTripleChecker+Valid, 26884 SdHoareTripleChecker+Invalid, 5178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:58:56,805 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1951 Valid, 26884 Invalid, 5178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5159 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:58:56,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46713 states. [2022-03-15 13:58:57,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46713 to 22631. [2022-03-15 13:58:57,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22631 states, 22630 states have (on average 2.7533804684047722) internal successors, (62309), 22630 states have internal predecessors, (62309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:57,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22631 states to 22631 states and 62309 transitions. [2022-03-15 13:58:57,360 INFO L78 Accepts]: Start accepts. Automaton has 22631 states and 62309 transitions. Word has length 199 [2022-03-15 13:58:57,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:58:57,360 INFO L470 AbstractCegarLoop]: Abstraction has 22631 states and 62309 transitions. [2022-03-15 13:58:57,360 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:57,360 INFO L276 IsEmpty]: Start isEmpty. Operand 22631 states and 62309 transitions. [2022-03-15 13:58:57,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:58:57,388 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:58:57,388 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:58:57,388 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable179 [2022-03-15 13:58:57,388 INFO L402 AbstractCegarLoop]: === Iteration 181 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:58:57,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:58:57,388 INFO L85 PathProgramCache]: Analyzing trace with hash -176879657, now seen corresponding path program 157 times [2022-03-15 13:58:57,388 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:58:57,388 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259440797] [2022-03-15 13:58:57,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:58:57,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:58:57,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:58:57,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:58:57,684 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:58:57,684 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259440797] [2022-03-15 13:58:57,684 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259440797] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:58:57,684 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:58:57,684 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:58:57,684 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718109797] [2022-03-15 13:58:57,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:58:57,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:58:57,685 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:58:57,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:58:57,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:58:57,685 INFO L87 Difference]: Start difference. First operand 22631 states and 62309 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:00,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:59:00,297 INFO L93 Difference]: Finished difference Result 41678 states and 113533 transitions. [2022-03-15 13:59:00,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-15 13:59:00,298 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:59:00,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:59:00,370 INFO L225 Difference]: With dead ends: 41678 [2022-03-15 13:59:00,370 INFO L226 Difference]: Without dead ends: 41678 [2022-03-15 13:59:00,371 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1069 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=621, Invalid=5079, Unknown=0, NotChecked=0, Total=5700 [2022-03-15 13:59:00,371 INFO L933 BasicCegarLoop]: 1154 mSDtfsCounter, 1854 mSDsluCounter, 25005 mSDsCounter, 0 mSdLazyCounter, 4725 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1854 SdHoareTripleChecker+Valid, 25834 SdHoareTripleChecker+Invalid, 4744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4725 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:59:00,371 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1854 Valid, 25834 Invalid, 4744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4725 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:59:00,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41678 states. [2022-03-15 13:59:00,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41678 to 22547. [2022-03-15 13:59:00,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22547 states, 22546 states have (on average 2.7528608178834384) internal successors, (62066), 22546 states have internal predecessors, (62066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:00,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22547 states to 22547 states and 62066 transitions. [2022-03-15 13:59:00,867 INFO L78 Accepts]: Start accepts. Automaton has 22547 states and 62066 transitions. Word has length 199 [2022-03-15 13:59:00,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:59:00,867 INFO L470 AbstractCegarLoop]: Abstraction has 22547 states and 62066 transitions. [2022-03-15 13:59:00,867 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:00,867 INFO L276 IsEmpty]: Start isEmpty. Operand 22547 states and 62066 transitions. [2022-03-15 13:59:00,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:59:00,897 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:59:00,897 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:59:00,897 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180 [2022-03-15 13:59:00,897 INFO L402 AbstractCegarLoop]: === Iteration 182 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:59:00,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:59:00,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1840550795, now seen corresponding path program 158 times [2022-03-15 13:59:00,898 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:59:00,898 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463494024] [2022-03-15 13:59:00,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:59:00,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:59:00,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:59:01,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:59:01,183 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:59:01,183 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463494024] [2022-03-15 13:59:01,184 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463494024] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:59:01,184 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:59:01,184 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:59:01,184 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258833410] [2022-03-15 13:59:01,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:59:01,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:59:01,184 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:59:01,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:59:01,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:59:01,184 INFO L87 Difference]: Start difference. First operand 22547 states and 62066 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:04,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:59:04,449 INFO L93 Difference]: Finished difference Result 47322 states and 128391 transitions. [2022-03-15 13:59:04,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-03-15 13:59:04,449 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:59:04,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:59:04,534 INFO L225 Difference]: With dead ends: 47322 [2022-03-15 13:59:04,535 INFO L226 Difference]: Without dead ends: 47322 [2022-03-15 13:59:04,536 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1731 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=943, Invalid=7067, Unknown=0, NotChecked=0, Total=8010 [2022-03-15 13:59:04,536 INFO L933 BasicCegarLoop]: 1161 mSDtfsCounter, 2524 mSDsluCounter, 25601 mSDsCounter, 0 mSdLazyCounter, 5398 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2524 SdHoareTripleChecker+Valid, 26277 SdHoareTripleChecker+Invalid, 5421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 13:59:04,536 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2524 Valid, 26277 Invalid, 5421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5398 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 13:59:04,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47322 states. [2022-03-15 13:59:05,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47322 to 22995. [2022-03-15 13:59:05,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22995 states, 22994 states have (on average 2.758371749151953) internal successors, (63426), 22994 states have internal predecessors, (63426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:05,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22995 states to 22995 states and 63426 transitions. [2022-03-15 13:59:05,118 INFO L78 Accepts]: Start accepts. Automaton has 22995 states and 63426 transitions. Word has length 199 [2022-03-15 13:59:05,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:59:05,118 INFO L470 AbstractCegarLoop]: Abstraction has 22995 states and 63426 transitions. [2022-03-15 13:59:05,119 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:05,119 INFO L276 IsEmpty]: Start isEmpty. Operand 22995 states and 63426 transitions. [2022-03-15 13:59:05,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:59:05,147 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:59:05,147 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:59:05,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable181 [2022-03-15 13:59:05,147 INFO L402 AbstractCegarLoop]: === Iteration 183 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:59:05,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:59:05,148 INFO L85 PathProgramCache]: Analyzing trace with hash 432618459, now seen corresponding path program 159 times [2022-03-15 13:59:05,148 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:59:05,148 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636746746] [2022-03-15 13:59:05,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:59:05,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:59:05,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:59:05,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:59:05,433 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:59:05,433 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636746746] [2022-03-15 13:59:05,433 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636746746] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:59:05,433 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:59:05,433 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:59:05,433 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637960561] [2022-03-15 13:59:05,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:59:05,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:59:05,433 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:59:05,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:59:05,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:59:05,434 INFO L87 Difference]: Start difference. First operand 22995 states and 63426 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:08,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:59:08,511 INFO L93 Difference]: Finished difference Result 44127 states and 120211 transitions. [2022-03-15 13:59:08,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-03-15 13:59:08,511 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:59:08,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:59:08,597 INFO L225 Difference]: With dead ends: 44127 [2022-03-15 13:59:08,597 INFO L226 Difference]: Without dead ends: 44127 [2022-03-15 13:59:08,598 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1668 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=848, Invalid=6808, Unknown=0, NotChecked=0, Total=7656 [2022-03-15 13:59:08,598 INFO L933 BasicCegarLoop]: 1127 mSDtfsCounter, 2322 mSDsluCounter, 24856 mSDsCounter, 0 mSdLazyCounter, 5077 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2322 SdHoareTripleChecker+Valid, 25633 SdHoareTripleChecker+Invalid, 5100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5077 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:59:08,598 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2322 Valid, 25633 Invalid, 5100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5077 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:59:08,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44127 states. [2022-03-15 13:59:09,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44127 to 22931. [2022-03-15 13:59:09,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22931 states, 22930 states have (on average 2.7569995638901004) internal successors, (63218), 22930 states have internal predecessors, (63218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:09,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22931 states to 22931 states and 63218 transitions. [2022-03-15 13:59:09,296 INFO L78 Accepts]: Start accepts. Automaton has 22931 states and 63218 transitions. Word has length 199 [2022-03-15 13:59:09,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:59:09,296 INFO L470 AbstractCegarLoop]: Abstraction has 22931 states and 63218 transitions. [2022-03-15 13:59:09,296 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:09,296 INFO L276 IsEmpty]: Start isEmpty. Operand 22931 states and 63218 transitions. [2022-03-15 13:59:09,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:59:09,325 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:59:09,326 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:59:09,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable182 [2022-03-15 13:59:09,326 INFO L402 AbstractCegarLoop]: === Iteration 184 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:59:09,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:59:09,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1939211467, now seen corresponding path program 160 times [2022-03-15 13:59:09,327 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:59:09,327 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068150661] [2022-03-15 13:59:09,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:59:09,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:59:09,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:59:09,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:59:09,606 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:59:09,606 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068150661] [2022-03-15 13:59:09,606 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068150661] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:59:09,606 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:59:09,606 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:59:09,606 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669946650] [2022-03-15 13:59:09,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:59:09,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:59:09,607 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:59:09,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:59:09,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:59:09,607 INFO L87 Difference]: Start difference. First operand 22931 states and 63218 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:12,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:59:12,471 INFO L93 Difference]: Finished difference Result 42269 states and 115426 transitions. [2022-03-15 13:59:12,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-15 13:59:12,472 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:59:12,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:59:12,545 INFO L225 Difference]: With dead ends: 42269 [2022-03-15 13:59:12,545 INFO L226 Difference]: Without dead ends: 42269 [2022-03-15 13:59:12,546 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1344 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=747, Invalid=5895, Unknown=0, NotChecked=0, Total=6642 [2022-03-15 13:59:12,546 INFO L933 BasicCegarLoop]: 1122 mSDtfsCounter, 2052 mSDsluCounter, 24278 mSDsCounter, 0 mSdLazyCounter, 5038 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2052 SdHoareTripleChecker+Valid, 25072 SdHoareTripleChecker+Invalid, 5057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5038 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:59:12,547 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2052 Valid, 25072 Invalid, 5057 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5038 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:59:12,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42269 states. [2022-03-15 13:59:12,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42269 to 22883. [2022-03-15 13:59:12,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22883 states, 22882 states have (on average 2.7564898173236605) internal successors, (63074), 22882 states have internal predecessors, (63074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:13,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22883 states to 22883 states and 63074 transitions. [2022-03-15 13:59:13,037 INFO L78 Accepts]: Start accepts. Automaton has 22883 states and 63074 transitions. Word has length 199 [2022-03-15 13:59:13,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:59:13,037 INFO L470 AbstractCegarLoop]: Abstraction has 22883 states and 63074 transitions. [2022-03-15 13:59:13,037 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:13,037 INFO L276 IsEmpty]: Start isEmpty. Operand 22883 states and 63074 transitions. [2022-03-15 13:59:13,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:59:13,066 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:59:13,067 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:59:13,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable183 [2022-03-15 13:59:13,067 INFO L402 AbstractCegarLoop]: === Iteration 185 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:59:13,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:59:13,067 INFO L85 PathProgramCache]: Analyzing trace with hash -337924567, now seen corresponding path program 161 times [2022-03-15 13:59:13,067 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:59:13,067 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259367550] [2022-03-15 13:59:13,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:59:13,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:59:13,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:59:13,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:59:13,348 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:59:13,348 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259367550] [2022-03-15 13:59:13,348 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259367550] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:59:13,349 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:59:13,349 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:59:13,349 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719900778] [2022-03-15 13:59:13,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:59:13,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:59:13,349 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:59:13,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:59:13,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:59:13,349 INFO L87 Difference]: Start difference. First operand 22883 states and 63074 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:16,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:59:16,230 INFO L93 Difference]: Finished difference Result 43627 states and 118818 transitions. [2022-03-15 13:59:16,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-15 13:59:16,230 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:59:16,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:59:16,312 INFO L225 Difference]: With dead ends: 43627 [2022-03-15 13:59:16,313 INFO L226 Difference]: Without dead ends: 43627 [2022-03-15 13:59:16,313 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1343 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=745, Invalid=5897, Unknown=0, NotChecked=0, Total=6642 [2022-03-15 13:59:16,314 INFO L933 BasicCegarLoop]: 1135 mSDtfsCounter, 2108 mSDsluCounter, 24550 mSDsCounter, 0 mSdLazyCounter, 4971 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2108 SdHoareTripleChecker+Valid, 25354 SdHoareTripleChecker+Invalid, 4990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4971 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:59:16,314 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2108 Valid, 25354 Invalid, 4990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4971 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:59:16,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43627 states. [2022-03-15 13:59:16,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43627 to 22867. [2022-03-15 13:59:16,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22867 states, 22866 states have (on average 2.7563194262223387) internal successors, (63026), 22866 states have internal predecessors, (63026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:16,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22867 states to 22867 states and 63026 transitions. [2022-03-15 13:59:16,828 INFO L78 Accepts]: Start accepts. Automaton has 22867 states and 63026 transitions. Word has length 199 [2022-03-15 13:59:16,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:59:16,828 INFO L470 AbstractCegarLoop]: Abstraction has 22867 states and 63026 transitions. [2022-03-15 13:59:16,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:16,829 INFO L276 IsEmpty]: Start isEmpty. Operand 22867 states and 63026 transitions. [2022-03-15 13:59:16,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:59:16,858 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:59:16,858 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:59:16,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184 [2022-03-15 13:59:16,859 INFO L402 AbstractCegarLoop]: === Iteration 186 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:59:16,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:59:16,859 INFO L85 PathProgramCache]: Analyzing trace with hash -939155885, now seen corresponding path program 162 times [2022-03-15 13:59:16,859 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:59:16,859 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676101232] [2022-03-15 13:59:16,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:59:16,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:59:16,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:59:17,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:59:17,148 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:59:17,148 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676101232] [2022-03-15 13:59:17,148 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676101232] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:59:17,148 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:59:17,148 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:59:17,148 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221005999] [2022-03-15 13:59:17,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:59:17,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:59:17,149 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:59:17,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:59:17,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:59:17,149 INFO L87 Difference]: Start difference. First operand 22867 states and 63026 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:20,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:59:20,012 INFO L93 Difference]: Finished difference Result 44870 states and 121990 transitions. [2022-03-15 13:59:20,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-15 13:59:20,013 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:59:20,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:59:20,093 INFO L225 Difference]: With dead ends: 44870 [2022-03-15 13:59:20,093 INFO L226 Difference]: Without dead ends: 44870 [2022-03-15 13:59:20,094 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1342 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=740, Invalid=5902, Unknown=0, NotChecked=0, Total=6642 [2022-03-15 13:59:20,094 INFO L933 BasicCegarLoop]: 1172 mSDtfsCounter, 2078 mSDsluCounter, 25226 mSDsCounter, 0 mSdLazyCounter, 4979 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2078 SdHoareTripleChecker+Valid, 26050 SdHoareTripleChecker+Invalid, 4998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4979 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:59:20,095 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2078 Valid, 26050 Invalid, 4998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4979 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:59:20,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44870 states. [2022-03-15 13:59:20,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44870 to 22659. [2022-03-15 13:59:20,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22659 states, 22658 states have (on average 2.7540824432871394) internal successors, (62402), 22658 states have internal predecessors, (62402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:20,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22659 states to 22659 states and 62402 transitions. [2022-03-15 13:59:20,630 INFO L78 Accepts]: Start accepts. Automaton has 22659 states and 62402 transitions. Word has length 199 [2022-03-15 13:59:20,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:59:20,631 INFO L470 AbstractCegarLoop]: Abstraction has 22659 states and 62402 transitions. [2022-03-15 13:59:20,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:20,631 INFO L276 IsEmpty]: Start isEmpty. Operand 22659 states and 62402 transitions. [2022-03-15 13:59:20,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:59:20,661 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:59:20,661 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:59:20,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185 [2022-03-15 13:59:20,661 INFO L402 AbstractCegarLoop]: === Iteration 187 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:59:20,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:59:20,661 INFO L85 PathProgramCache]: Analyzing trace with hash 990857617, now seen corresponding path program 163 times [2022-03-15 13:59:20,661 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:59:20,662 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176645694] [2022-03-15 13:59:20,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:59:20,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:59:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:59:20,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:59:20,944 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:59:20,945 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176645694] [2022-03-15 13:59:20,945 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176645694] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:59:20,945 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:59:20,945 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:59:20,945 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515235237] [2022-03-15 13:59:20,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:59:20,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:59:20,945 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:59:20,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:59:20,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:59:20,946 INFO L87 Difference]: Start difference. First operand 22659 states and 62402 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:23,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:59:23,829 INFO L93 Difference]: Finished difference Result 45528 states and 123712 transitions. [2022-03-15 13:59:23,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-15 13:59:23,830 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:59:23,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:59:23,910 INFO L225 Difference]: With dead ends: 45528 [2022-03-15 13:59:23,911 INFO L226 Difference]: Without dead ends: 45528 [2022-03-15 13:59:23,912 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1294 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=717, Invalid=5763, Unknown=0, NotChecked=0, Total=6480 [2022-03-15 13:59:23,912 INFO L933 BasicCegarLoop]: 1176 mSDtfsCounter, 2068 mSDsluCounter, 25366 mSDsCounter, 0 mSdLazyCounter, 4981 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2068 SdHoareTripleChecker+Valid, 26194 SdHoareTripleChecker+Invalid, 5000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4981 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:59:23,912 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2068 Valid, 26194 Invalid, 5000 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4981 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:59:23,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45528 states. [2022-03-15 13:59:24,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45528 to 22643. [2022-03-15 13:59:24,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22643 states, 22642 states have (on average 2.7539086653122515) internal successors, (62354), 22642 states have internal predecessors, (62354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:24,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22643 states to 22643 states and 62354 transitions. [2022-03-15 13:59:24,424 INFO L78 Accepts]: Start accepts. Automaton has 22643 states and 62354 transitions. Word has length 199 [2022-03-15 13:59:24,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:59:24,424 INFO L470 AbstractCegarLoop]: Abstraction has 22643 states and 62354 transitions. [2022-03-15 13:59:24,424 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:24,424 INFO L276 IsEmpty]: Start isEmpty. Operand 22643 states and 62354 transitions. [2022-03-15 13:59:24,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:59:24,452 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:59:24,452 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:59:24,452 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186 [2022-03-15 13:59:24,452 INFO L402 AbstractCegarLoop]: === Iteration 188 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:59:24,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:59:24,452 INFO L85 PathProgramCache]: Analyzing trace with hash -658068377, now seen corresponding path program 164 times [2022-03-15 13:59:24,453 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:59:24,453 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078447831] [2022-03-15 13:59:24,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:59:24,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:59:24,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:59:24,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:59:24,737 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:59:24,737 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078447831] [2022-03-15 13:59:24,737 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078447831] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:59:24,737 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:59:24,737 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:59:24,737 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331418419] [2022-03-15 13:59:24,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:59:24,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:59:24,742 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:59:24,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:59:24,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:59:24,743 INFO L87 Difference]: Start difference. First operand 22643 states and 62354 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:27,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:59:27,510 INFO L93 Difference]: Finished difference Result 45716 states and 124204 transitions. [2022-03-15 13:59:27,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-15 13:59:27,511 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:59:27,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:59:27,591 INFO L225 Difference]: With dead ends: 45716 [2022-03-15 13:59:27,591 INFO L226 Difference]: Without dead ends: 45716 [2022-03-15 13:59:27,592 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1247 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=697, Invalid=5623, Unknown=0, NotChecked=0, Total=6320 [2022-03-15 13:59:27,592 INFO L933 BasicCegarLoop]: 1178 mSDtfsCounter, 2014 mSDsluCounter, 25494 mSDsCounter, 0 mSdLazyCounter, 4795 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2014 SdHoareTripleChecker+Valid, 26324 SdHoareTripleChecker+Invalid, 4814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 13:59:27,592 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2014 Valid, 26324 Invalid, 4814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4795 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 13:59:27,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45716 states. [2022-03-15 13:59:28,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45716 to 22595. [2022-03-15 13:59:28,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22595 states, 22594 states have (on average 2.7533858546516776) internal successors, (62210), 22594 states have internal predecessors, (62210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:28,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22595 states to 22595 states and 62210 transitions. [2022-03-15 13:59:28,198 INFO L78 Accepts]: Start accepts. Automaton has 22595 states and 62210 transitions. Word has length 199 [2022-03-15 13:59:28,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:59:28,199 INFO L470 AbstractCegarLoop]: Abstraction has 22595 states and 62210 transitions. [2022-03-15 13:59:28,199 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:28,199 INFO L276 IsEmpty]: Start isEmpty. Operand 22595 states and 62210 transitions. [2022-03-15 13:59:28,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:59:28,226 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:59:28,226 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:59:28,226 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187 [2022-03-15 13:59:28,227 INFO L402 AbstractCegarLoop]: === Iteration 189 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:59:28,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:59:28,227 INFO L85 PathProgramCache]: Analyzing trace with hash -717258735, now seen corresponding path program 165 times [2022-03-15 13:59:28,227 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:59:28,227 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543550582] [2022-03-15 13:59:28,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:59:28,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:59:28,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:59:28,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:59:28,501 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:59:28,501 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543550582] [2022-03-15 13:59:28,501 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543550582] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:59:28,501 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:59:28,501 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:59:28,501 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484208145] [2022-03-15 13:59:28,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:59:28,502 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:59:28,502 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:59:28,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:59:28,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:59:28,502 INFO L87 Difference]: Start difference. First operand 22595 states and 62210 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:31,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:59:31,017 INFO L93 Difference]: Finished difference Result 40397 states and 109722 transitions. [2022-03-15 13:59:31,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-15 13:59:31,018 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:59:31,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:59:31,085 INFO L225 Difference]: With dead ends: 40397 [2022-03-15 13:59:31,086 INFO L226 Difference]: Without dead ends: 40397 [2022-03-15 13:59:31,087 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1151 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=673, Invalid=5333, Unknown=0, NotChecked=0, Total=6006 [2022-03-15 13:59:31,087 INFO L933 BasicCegarLoop]: 1145 mSDtfsCounter, 1941 mSDsluCounter, 24837 mSDsCounter, 0 mSdLazyCounter, 4465 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1941 SdHoareTripleChecker+Valid, 25615 SdHoareTripleChecker+Invalid, 4484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 13:59:31,087 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1941 Valid, 25615 Invalid, 4484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4465 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 13:59:31,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40397 states. [2022-03-15 13:59:31,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40397 to 22511. [2022-03-15 13:59:31,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22511 states, 22510 states have (on average 2.7528653931585962) internal successors, (61967), 22510 states have internal predecessors, (61967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:31,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22511 states to 22511 states and 61967 transitions. [2022-03-15 13:59:31,534 INFO L78 Accepts]: Start accepts. Automaton has 22511 states and 61967 transitions. Word has length 199 [2022-03-15 13:59:31,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:59:31,535 INFO L470 AbstractCegarLoop]: Abstraction has 22511 states and 61967 transitions. [2022-03-15 13:59:31,535 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:31,535 INFO L276 IsEmpty]: Start isEmpty. Operand 22511 states and 61967 transitions. [2022-03-15 13:59:31,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:59:31,564 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:59:31,564 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:59:31,564 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable188 [2022-03-15 13:59:31,564 INFO L402 AbstractCegarLoop]: === Iteration 190 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:59:31,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:59:31,565 INFO L85 PathProgramCache]: Analyzing trace with hash -97982595, now seen corresponding path program 166 times [2022-03-15 13:59:31,565 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:59:31,565 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168908442] [2022-03-15 13:59:31,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:59:31,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:59:31,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:59:31,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:59:31,849 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:59:31,849 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168908442] [2022-03-15 13:59:31,849 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168908442] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:59:31,849 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:59:31,849 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:59:31,849 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402377949] [2022-03-15 13:59:31,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:59:31,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:59:31,849 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:59:31,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:59:31,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:59:31,850 INFO L87 Difference]: Start difference. First operand 22511 states and 61967 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:35,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:59:35,110 INFO L93 Difference]: Finished difference Result 46356 states and 126421 transitions. [2022-03-15 13:59:35,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-15 13:59:35,111 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:59:35,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:59:35,186 INFO L225 Difference]: With dead ends: 46356 [2022-03-15 13:59:35,186 INFO L226 Difference]: Without dead ends: 46356 [2022-03-15 13:59:35,187 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1316 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=878, Invalid=5928, Unknown=0, NotChecked=0, Total=6806 [2022-03-15 13:59:35,187 INFO L933 BasicCegarLoop]: 1149 mSDtfsCounter, 2539 mSDsluCounter, 24723 mSDsCounter, 0 mSdLazyCounter, 5602 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2539 SdHoareTripleChecker+Valid, 25401 SdHoareTripleChecker+Invalid, 5625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-15 13:59:35,187 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2539 Valid, 25401 Invalid, 5625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5602 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-15 13:59:35,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46356 states. [2022-03-15 13:59:35,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46356 to 24095. [2022-03-15 13:59:35,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24095 states, 24094 states have (on average 2.7568274259151657) internal successors, (66423), 24094 states have internal predecessors, (66423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:35,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24095 states to 24095 states and 66423 transitions. [2022-03-15 13:59:35,767 INFO L78 Accepts]: Start accepts. Automaton has 24095 states and 66423 transitions. Word has length 199 [2022-03-15 13:59:35,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:59:35,767 INFO L470 AbstractCegarLoop]: Abstraction has 24095 states and 66423 transitions. [2022-03-15 13:59:35,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:35,768 INFO L276 IsEmpty]: Start isEmpty. Operand 24095 states and 66423 transitions. [2022-03-15 13:59:35,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:59:35,800 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:59:35,800 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:59:35,800 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable189 [2022-03-15 13:59:35,800 INFO L402 AbstractCegarLoop]: === Iteration 191 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:59:35,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:59:35,800 INFO L85 PathProgramCache]: Analyzing trace with hash -2119780637, now seen corresponding path program 167 times [2022-03-15 13:59:35,800 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:59:35,800 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679493058] [2022-03-15 13:59:35,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:59:35,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:59:35,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:59:36,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:59:36,083 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:59:36,083 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679493058] [2022-03-15 13:59:36,083 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679493058] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:59:36,083 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:59:36,083 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:59:36,083 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088472406] [2022-03-15 13:59:36,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:59:36,083 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:59:36,083 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:59:36,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:59:36,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:59:36,084 INFO L87 Difference]: Start difference. First operand 24095 states and 66423 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:39,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:59:39,211 INFO L93 Difference]: Finished difference Result 44905 states and 122831 transitions. [2022-03-15 13:59:39,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-15 13:59:39,212 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:59:39,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:59:39,294 INFO L225 Difference]: With dead ends: 44905 [2022-03-15 13:59:39,294 INFO L226 Difference]: Without dead ends: 44905 [2022-03-15 13:59:39,295 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1350 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=846, Invalid=5960, Unknown=0, NotChecked=0, Total=6806 [2022-03-15 13:59:39,295 INFO L933 BasicCegarLoop]: 1126 mSDtfsCounter, 2510 mSDsluCounter, 23954 mSDsCounter, 0 mSdLazyCounter, 5338 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2510 SdHoareTripleChecker+Valid, 24771 SdHoareTripleChecker+Invalid, 5361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 13:59:39,295 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2510 Valid, 24771 Invalid, 5361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5338 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 13:59:39,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44905 states. [2022-03-15 13:59:39,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44905 to 24031. [2022-03-15 13:59:39,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24031 states, 24030 states have (on average 2.7555139409071994) internal successors, (66215), 24030 states have internal predecessors, (66215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:39,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24031 states to 24031 states and 66215 transitions. [2022-03-15 13:59:39,894 INFO L78 Accepts]: Start accepts. Automaton has 24031 states and 66215 transitions. Word has length 199 [2022-03-15 13:59:39,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:59:39,894 INFO L470 AbstractCegarLoop]: Abstraction has 24031 states and 66215 transitions. [2022-03-15 13:59:39,894 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:39,894 INFO L276 IsEmpty]: Start isEmpty. Operand 24031 states and 66215 transitions. [2022-03-15 13:59:39,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:59:39,926 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:59:39,926 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:59:39,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable190 [2022-03-15 13:59:39,927 INFO L402 AbstractCegarLoop]: === Iteration 192 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:59:39,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:59:39,927 INFO L85 PathProgramCache]: Analyzing trace with hash -196643267, now seen corresponding path program 168 times [2022-03-15 13:59:39,927 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:59:39,927 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313884604] [2022-03-15 13:59:39,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:59:39,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:59:39,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:59:40,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:59:40,218 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:59:40,218 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313884604] [2022-03-15 13:59:40,218 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313884604] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:59:40,218 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:59:40,219 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:59:40,219 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338000327] [2022-03-15 13:59:40,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:59:40,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:59:40,219 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:59:40,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:59:40,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:59:40,220 INFO L87 Difference]: Start difference. First operand 24031 states and 66215 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:43,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:59:43,214 INFO L93 Difference]: Finished difference Result 43047 states and 118046 transitions. [2022-03-15 13:59:43,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-15 13:59:43,214 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:59:43,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:59:43,289 INFO L225 Difference]: With dead ends: 43047 [2022-03-15 13:59:43,290 INFO L226 Difference]: Without dead ends: 43047 [2022-03-15 13:59:43,290 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1067 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=730, Invalid=5122, Unknown=0, NotChecked=0, Total=5852 [2022-03-15 13:59:43,291 INFO L933 BasicCegarLoop]: 1121 mSDtfsCounter, 2240 mSDsluCounter, 23465 mSDsCounter, 0 mSdLazyCounter, 5294 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2240 SdHoareTripleChecker+Valid, 24294 SdHoareTripleChecker+Invalid, 5313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 13:59:43,291 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2240 Valid, 24294 Invalid, 5313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5294 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 13:59:43,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43047 states. [2022-03-15 13:59:43,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43047 to 23983. [2022-03-15 13:59:43,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23983 states, 23982 states have (on average 2.755024601784672) internal successors, (66071), 23982 states have internal predecessors, (66071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:43,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23983 states to 23983 states and 66071 transitions. [2022-03-15 13:59:43,865 INFO L78 Accepts]: Start accepts. Automaton has 23983 states and 66071 transitions. Word has length 199 [2022-03-15 13:59:43,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:59:43,866 INFO L470 AbstractCegarLoop]: Abstraction has 23983 states and 66071 transitions. [2022-03-15 13:59:43,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:43,866 INFO L276 IsEmpty]: Start isEmpty. Operand 23983 states and 66071 transitions. [2022-03-15 13:59:43,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:59:43,897 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:59:43,897 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:59:43,897 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable191 [2022-03-15 13:59:43,897 INFO L402 AbstractCegarLoop]: === Iteration 193 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:59:43,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:59:43,897 INFO L85 PathProgramCache]: Analyzing trace with hash 1404643633, now seen corresponding path program 169 times [2022-03-15 13:59:43,898 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:59:43,898 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212479954] [2022-03-15 13:59:43,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:59:43,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:59:43,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:59:44,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:59:44,185 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:59:44,185 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212479954] [2022-03-15 13:59:44,185 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212479954] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:59:44,185 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:59:44,185 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:59:44,185 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016893229] [2022-03-15 13:59:44,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:59:44,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:59:44,185 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:59:44,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:59:44,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:59:44,186 INFO L87 Difference]: Start difference. First operand 23983 states and 66071 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:47,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:59:47,224 INFO L93 Difference]: Finished difference Result 44405 states and 121438 transitions. [2022-03-15 13:59:47,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-15 13:59:47,225 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:59:47,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:59:47,300 INFO L225 Difference]: With dead ends: 44405 [2022-03-15 13:59:47,300 INFO L226 Difference]: Without dead ends: 44405 [2022-03-15 13:59:47,301 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1065 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=732, Invalid=5120, Unknown=0, NotChecked=0, Total=5852 [2022-03-15 13:59:47,301 INFO L933 BasicCegarLoop]: 1134 mSDtfsCounter, 2296 mSDsluCounter, 23719 mSDsCounter, 0 mSdLazyCounter, 5218 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2296 SdHoareTripleChecker+Valid, 24559 SdHoareTripleChecker+Invalid, 5237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:59:47,301 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2296 Valid, 24559 Invalid, 5237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5218 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:59:47,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44405 states. [2022-03-15 13:59:47,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44405 to 23967. [2022-03-15 13:59:47,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23967 states, 23966 states have (on average 2.7548610531586415) internal successors, (66023), 23966 states have internal predecessors, (66023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:47,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23967 states to 23967 states and 66023 transitions. [2022-03-15 13:59:47,864 INFO L78 Accepts]: Start accepts. Automaton has 23967 states and 66023 transitions. Word has length 199 [2022-03-15 13:59:47,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:59:47,864 INFO L470 AbstractCegarLoop]: Abstraction has 23967 states and 66023 transitions. [2022-03-15 13:59:47,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:47,865 INFO L276 IsEmpty]: Start isEmpty. Operand 23967 states and 66023 transitions. [2022-03-15 13:59:47,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:59:47,897 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:59:47,897 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:59:47,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable192 [2022-03-15 13:59:47,898 INFO L402 AbstractCegarLoop]: === Iteration 194 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:59:47,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:59:47,898 INFO L85 PathProgramCache]: Analyzing trace with hash 803412315, now seen corresponding path program 170 times [2022-03-15 13:59:47,898 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:59:47,898 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294373563] [2022-03-15 13:59:47,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:59:47,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:59:47,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:59:48,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:59:48,179 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:59:48,179 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294373563] [2022-03-15 13:59:48,179 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294373563] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:59:48,179 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:59:48,179 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:59:48,179 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769431568] [2022-03-15 13:59:48,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:59:48,180 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:59:48,180 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:59:48,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:59:48,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:59:48,180 INFO L87 Difference]: Start difference. First operand 23967 states and 66023 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:51,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:59:51,057 INFO L93 Difference]: Finished difference Result 43398 states and 118580 transitions. [2022-03-15 13:59:51,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-15 13:59:51,057 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:59:51,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:59:51,141 INFO L225 Difference]: With dead ends: 43398 [2022-03-15 13:59:51,141 INFO L226 Difference]: Without dead ends: 43398 [2022-03-15 13:59:51,142 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 983 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=688, Invalid=4862, Unknown=0, NotChecked=0, Total=5550 [2022-03-15 13:59:51,142 INFO L933 BasicCegarLoop]: 1181 mSDtfsCounter, 2116 mSDsluCounter, 24512 mSDsCounter, 0 mSdLazyCounter, 5240 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2116 SdHoareTripleChecker+Valid, 25383 SdHoareTripleChecker+Invalid, 5259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 13:59:51,142 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2116 Valid, 25383 Invalid, 5259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5240 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 13:59:51,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43398 states. [2022-03-15 13:59:51,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43398 to 23759. [2022-03-15 13:59:51,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23759 states, 23758 states have (on average 2.7527148749894774) internal successors, (65399), 23758 states have internal predecessors, (65399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:51,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23759 states to 23759 states and 65399 transitions. [2022-03-15 13:59:51,717 INFO L78 Accepts]: Start accepts. Automaton has 23759 states and 65399 transitions. Word has length 199 [2022-03-15 13:59:51,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:59:51,717 INFO L470 AbstractCegarLoop]: Abstraction has 23759 states and 65399 transitions. [2022-03-15 13:59:51,717 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:51,717 INFO L276 IsEmpty]: Start isEmpty. Operand 23759 states and 65399 transitions. [2022-03-15 13:59:51,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:59:51,749 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:59:51,749 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:59:51,749 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable193 [2022-03-15 13:59:51,749 INFO L402 AbstractCegarLoop]: === Iteration 195 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:59:51,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:59:51,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1497012223, now seen corresponding path program 171 times [2022-03-15 13:59:51,749 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:59:51,749 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272425584] [2022-03-15 13:59:51,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:59:51,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:59:51,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:59:52,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:59:52,035 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:59:52,035 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272425584] [2022-03-15 13:59:52,035 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272425584] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:59:52,035 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:59:52,035 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:59:52,035 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410605084] [2022-03-15 13:59:52,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:59:52,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:59:52,036 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:59:52,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:59:52,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:59:52,036 INFO L87 Difference]: Start difference. First operand 23759 states and 65399 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:55,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:59:55,099 INFO L93 Difference]: Finished difference Result 46938 states and 128128 transitions. [2022-03-15 13:59:55,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-15 13:59:55,099 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:59:55,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:59:55,187 INFO L225 Difference]: With dead ends: 46938 [2022-03-15 13:59:55,187 INFO L226 Difference]: Without dead ends: 46938 [2022-03-15 13:59:55,188 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1022 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=708, Invalid=4992, Unknown=0, NotChecked=0, Total=5700 [2022-03-15 13:59:55,188 INFO L933 BasicCegarLoop]: 1083 mSDtfsCounter, 2356 mSDsluCounter, 23360 mSDsCounter, 0 mSdLazyCounter, 5503 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2356 SdHoareTripleChecker+Valid, 24044 SdHoareTripleChecker+Invalid, 5526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-15 13:59:55,188 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2356 Valid, 24044 Invalid, 5526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5503 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-15 13:59:55,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46938 states. [2022-03-15 13:59:55,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46938 to 23919. [2022-03-15 13:59:55,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23919 states, 23918 states have (on average 2.75453633246927) internal successors, (65883), 23918 states have internal predecessors, (65883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:55,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23919 states to 23919 states and 65883 transitions. [2022-03-15 13:59:55,816 INFO L78 Accepts]: Start accepts. Automaton has 23919 states and 65883 transitions. Word has length 199 [2022-03-15 13:59:55,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:59:55,816 INFO L470 AbstractCegarLoop]: Abstraction has 23919 states and 65883 transitions. [2022-03-15 13:59:55,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:55,816 INFO L276 IsEmpty]: Start isEmpty. Operand 23919 states and 65883 transitions. [2022-03-15 13:59:55,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:59:55,848 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:59:55,848 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:59:55,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable194 [2022-03-15 13:59:55,848 INFO L402 AbstractCegarLoop]: === Iteration 196 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:59:55,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:59:55,849 INFO L85 PathProgramCache]: Analyzing trace with hash -524785819, now seen corresponding path program 172 times [2022-03-15 13:59:55,849 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:59:55,849 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130917321] [2022-03-15 13:59:55,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:59:55,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:59:55,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:59:56,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:59:56,137 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:59:56,138 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130917321] [2022-03-15 13:59:56,138 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130917321] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:59:56,138 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:59:56,138 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 13:59:56,138 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043395315] [2022-03-15 13:59:56,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:59:56,138 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 13:59:56,138 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:59:56,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 13:59:56,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 13:59:56,139 INFO L87 Difference]: Start difference. First operand 23919 states and 65883 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:59,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:59:59,084 INFO L93 Difference]: Finished difference Result 45777 states and 125289 transitions. [2022-03-15 13:59:59,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-15 13:59:59,085 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 13:59:59,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:59:59,169 INFO L225 Difference]: With dead ends: 45777 [2022-03-15 13:59:59,169 INFO L226 Difference]: Without dead ends: 45777 [2022-03-15 13:59:59,170 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1078 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=713, Invalid=5139, Unknown=0, NotChecked=0, Total=5852 [2022-03-15 13:59:59,170 INFO L933 BasicCegarLoop]: 1046 mSDtfsCounter, 2278 mSDsluCounter, 22342 mSDsCounter, 0 mSdLazyCounter, 5261 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2278 SdHoareTripleChecker+Valid, 23154 SdHoareTripleChecker+Invalid, 5284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 13:59:59,170 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2278 Valid, 23154 Invalid, 5284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5261 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 13:59:59,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45777 states. [2022-03-15 13:59:59,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45777 to 23855. [2022-03-15 13:59:59,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23855 states, 23854 states have (on average 2.753207009306615) internal successors, (65675), 23854 states have internal predecessors, (65675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:59,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23855 states to 23855 states and 65675 transitions. [2022-03-15 13:59:59,750 INFO L78 Accepts]: Start accepts. Automaton has 23855 states and 65675 transitions. Word has length 199 [2022-03-15 13:59:59,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:59:59,750 INFO L470 AbstractCegarLoop]: Abstraction has 23855 states and 65675 transitions. [2022-03-15 13:59:59,750 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:59,750 INFO L276 IsEmpty]: Start isEmpty. Operand 23855 states and 65675 transitions. [2022-03-15 13:59:59,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 13:59:59,781 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:59:59,781 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:59:59,781 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable195 [2022-03-15 13:59:59,781 INFO L402 AbstractCegarLoop]: === Iteration 197 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:59:59,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:59:59,781 INFO L85 PathProgramCache]: Analyzing trace with hash -901983043, now seen corresponding path program 173 times [2022-03-15 13:59:59,781 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:59:59,781 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203326498] [2022-03-15 13:59:59,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:59:59,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:59:59,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:00:00,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:00:00,068 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:00:00,068 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203326498] [2022-03-15 14:00:00,068 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203326498] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:00:00,068 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:00:00,068 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 14:00:00,068 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130395394] [2022-03-15 14:00:00,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:00:00,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 14:00:00,068 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:00:00,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 14:00:00,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 14:00:00,069 INFO L87 Difference]: Start difference. First operand 23855 states and 65675 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:02,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:00:02,881 INFO L93 Difference]: Finished difference Result 43104 states and 117858 transitions. [2022-03-15 14:00:02,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-03-15 14:00:02,883 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 14:00:02,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:00:02,962 INFO L225 Difference]: With dead ends: 43104 [2022-03-15 14:00:02,963 INFO L226 Difference]: Without dead ends: 43104 [2022-03-15 14:00:02,963 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 821 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=627, Invalid=4343, Unknown=0, NotChecked=0, Total=4970 [2022-03-15 14:00:02,964 INFO L933 BasicCegarLoop]: 1079 mSDtfsCounter, 1926 mSDsluCounter, 22998 mSDsCounter, 0 mSdLazyCounter, 5245 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1926 SdHoareTripleChecker+Valid, 23684 SdHoareTripleChecker+Invalid, 5264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 14:00:02,964 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1926 Valid, 23684 Invalid, 5264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5245 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 14:00:03,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43104 states. [2022-03-15 14:00:03,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43104 to 23807. [2022-03-15 14:00:03,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23807 states, 23806 states have (on average 2.7527094009913466) internal successors, (65531), 23806 states have internal predecessors, (65531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:03,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23807 states to 23807 states and 65531 transitions. [2022-03-15 14:00:03,550 INFO L78 Accepts]: Start accepts. Automaton has 23807 states and 65531 transitions. Word has length 199 [2022-03-15 14:00:03,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:00:03,551 INFO L470 AbstractCegarLoop]: Abstraction has 23807 states and 65531 transitions. [2022-03-15 14:00:03,551 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:03,551 INFO L276 IsEmpty]: Start isEmpty. Operand 23807 states and 65531 transitions. [2022-03-15 14:00:03,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 14:00:03,585 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:00:03,585 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:00:03,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable196 [2022-03-15 14:00:03,585 INFO L402 AbstractCegarLoop]: === Iteration 198 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:00:03,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:00:03,586 INFO L85 PathProgramCache]: Analyzing trace with hash -539276355, now seen corresponding path program 174 times [2022-03-15 14:00:03,586 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:00:03,586 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744540437] [2022-03-15 14:00:03,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:00:03,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:00:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:00:03,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:00:03,898 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:00:03,898 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744540437] [2022-03-15 14:00:03,899 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744540437] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:00:03,899 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:00:03,899 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 14:00:03,899 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239820935] [2022-03-15 14:00:03,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:00:03,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 14:00:03,899 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:00:03,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 14:00:03,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 14:00:03,900 INFO L87 Difference]: Start difference. First operand 23807 states and 65531 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:07,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:00:07,266 INFO L93 Difference]: Finished difference Result 47530 states and 129718 transitions. [2022-03-15 14:00:07,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-03-15 14:00:07,266 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 14:00:07,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:00:07,361 INFO L225 Difference]: With dead ends: 47530 [2022-03-15 14:00:07,361 INFO L226 Difference]: Without dead ends: 47530 [2022-03-15 14:00:07,362 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1150 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=761, Invalid=5401, Unknown=0, NotChecked=0, Total=6162 [2022-03-15 14:00:07,362 INFO L933 BasicCegarLoop]: 1120 mSDtfsCounter, 2279 mSDsluCounter, 24102 mSDsCounter, 0 mSdLazyCounter, 5669 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2279 SdHoareTripleChecker+Valid, 24785 SdHoareTripleChecker+Invalid, 5692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-03-15 14:00:07,362 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2279 Valid, 24785 Invalid, 5692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5669 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-03-15 14:00:07,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47530 states. [2022-03-15 14:00:07,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47530 to 23919. [2022-03-15 14:00:07,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23919 states, 23918 states have (on average 2.75453633246927) internal successors, (65883), 23918 states have internal predecessors, (65883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:08,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23919 states to 23919 states and 65883 transitions. [2022-03-15 14:00:08,005 INFO L78 Accepts]: Start accepts. Automaton has 23919 states and 65883 transitions. Word has length 199 [2022-03-15 14:00:08,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:00:08,005 INFO L470 AbstractCegarLoop]: Abstraction has 23919 states and 65883 transitions. [2022-03-15 14:00:08,006 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:08,006 INFO L276 IsEmpty]: Start isEmpty. Operand 23919 states and 65883 transitions. [2022-03-15 14:00:08,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 14:00:08,038 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:00:08,038 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:00:08,038 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197 [2022-03-15 14:00:08,039 INFO L402 AbstractCegarLoop]: === Iteration 199 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:00:08,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:00:08,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1733892899, now seen corresponding path program 175 times [2022-03-15 14:00:08,039 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:00:08,039 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810592877] [2022-03-15 14:00:08,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:00:08,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:00:08,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:00:08,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:00:08,344 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:00:08,344 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810592877] [2022-03-15 14:00:08,344 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810592877] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:00:08,344 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:00:08,344 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 14:00:08,344 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206190180] [2022-03-15 14:00:08,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:00:08,345 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 14:00:08,345 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:00:08,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 14:00:08,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 14:00:08,345 INFO L87 Difference]: Start difference. First operand 23919 states and 65883 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:11,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:00:11,519 INFO L93 Difference]: Finished difference Result 46261 states and 126611 transitions. [2022-03-15 14:00:11,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-03-15 14:00:11,519 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 14:00:11,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:00:11,615 INFO L225 Difference]: With dead ends: 46261 [2022-03-15 14:00:11,616 INFO L226 Difference]: Without dead ends: 46261 [2022-03-15 14:00:11,617 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1171 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=741, Invalid=5421, Unknown=0, NotChecked=0, Total=6162 [2022-03-15 14:00:11,617 INFO L933 BasicCegarLoop]: 1123 mSDtfsCounter, 2287 mSDsluCounter, 23818 mSDsCounter, 0 mSdLazyCounter, 5415 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2287 SdHoareTripleChecker+Valid, 24635 SdHoareTripleChecker+Invalid, 5438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-15 14:00:11,617 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2287 Valid, 24635 Invalid, 5438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5415 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-15 14:00:11,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46261 states. [2022-03-15 14:00:12,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46261 to 23855. [2022-03-15 14:00:12,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23855 states, 23854 states have (on average 2.753207009306615) internal successors, (65675), 23854 states have internal predecessors, (65675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:12,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23855 states to 23855 states and 65675 transitions. [2022-03-15 14:00:12,218 INFO L78 Accepts]: Start accepts. Automaton has 23855 states and 65675 transitions. Word has length 199 [2022-03-15 14:00:12,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:00:12,219 INFO L470 AbstractCegarLoop]: Abstraction has 23855 states and 65675 transitions. [2022-03-15 14:00:12,219 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:12,219 INFO L276 IsEmpty]: Start isEmpty. Operand 23855 states and 65675 transitions. [2022-03-15 14:00:12,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 14:00:12,251 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:00:12,251 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:00:12,251 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable198 [2022-03-15 14:00:12,251 INFO L402 AbstractCegarLoop]: === Iteration 200 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:00:12,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:00:12,252 INFO L85 PathProgramCache]: Analyzing trace with hash 2083346783, now seen corresponding path program 176 times [2022-03-15 14:00:12,252 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:00:12,252 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799236372] [2022-03-15 14:00:12,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:00:12,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:00:12,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:00:12,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:00:12,548 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:00:12,548 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799236372] [2022-03-15 14:00:12,548 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799236372] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:00:12,548 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:00:12,548 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 14:00:12,548 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176705130] [2022-03-15 14:00:12,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:00:12,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 14:00:12,548 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:00:12,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 14:00:12,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 14:00:12,549 INFO L87 Difference]: Start difference. First operand 23855 states and 65675 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:15,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:00:15,414 INFO L93 Difference]: Finished difference Result 42273 states and 115926 transitions. [2022-03-15 14:00:15,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-03-15 14:00:15,415 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 14:00:15,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:00:15,492 INFO L225 Difference]: With dead ends: 42273 [2022-03-15 14:00:15,493 INFO L226 Difference]: Without dead ends: 42273 [2022-03-15 14:00:15,493 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 873 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=622, Invalid=4490, Unknown=0, NotChecked=0, Total=5112 [2022-03-15 14:00:15,493 INFO L933 BasicCegarLoop]: 1067 mSDtfsCounter, 1912 mSDsluCounter, 22513 mSDsCounter, 0 mSdLazyCounter, 5230 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1912 SdHoareTripleChecker+Valid, 23303 SdHoareTripleChecker+Invalid, 5249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 14:00:15,494 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1912 Valid, 23303 Invalid, 5249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5230 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 14:00:15,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42273 states. [2022-03-15 14:00:15,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42273 to 23771. [2022-03-15 14:00:15,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23771 states, 23770 states have (on average 2.7527135044173328) internal successors, (65432), 23770 states have internal predecessors, (65432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:16,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23771 states to 23771 states and 65432 transitions. [2022-03-15 14:00:16,036 INFO L78 Accepts]: Start accepts. Automaton has 23771 states and 65432 transitions. Word has length 199 [2022-03-15 14:00:16,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:00:16,036 INFO L470 AbstractCegarLoop]: Abstraction has 23771 states and 65432 transitions. [2022-03-15 14:00:16,036 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:16,036 INFO L276 IsEmpty]: Start isEmpty. Operand 23771 states and 65432 transitions. [2022-03-15 14:00:16,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 14:00:16,065 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:00:16,066 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:00:16,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable199 [2022-03-15 14:00:16,066 INFO L402 AbstractCegarLoop]: === Iteration 201 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:00:16,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:00:16,066 INFO L85 PathProgramCache]: Analyzing trace with hash -2118218813, now seen corresponding path program 177 times [2022-03-15 14:00:16,066 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:00:16,066 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793526936] [2022-03-15 14:00:16,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:00:16,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:00:16,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:00:16,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:00:16,362 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:00:16,362 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793526936] [2022-03-15 14:00:16,362 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793526936] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:00:16,362 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:00:16,362 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 14:00:16,362 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549901553] [2022-03-15 14:00:16,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:00:16,363 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 14:00:16,363 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:00:16,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 14:00:16,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 14:00:16,363 INFO L87 Difference]: Start difference. First operand 23771 states and 65432 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:19,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:00:19,768 INFO L93 Difference]: Finished difference Result 51536 states and 140476 transitions. [2022-03-15 14:00:19,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-15 14:00:19,769 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 14:00:19,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:00:19,869 INFO L225 Difference]: With dead ends: 51536 [2022-03-15 14:00:19,869 INFO L226 Difference]: Without dead ends: 51536 [2022-03-15 14:00:19,870 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1276 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=840, Invalid=5802, Unknown=0, NotChecked=0, Total=6642 [2022-03-15 14:00:19,870 INFO L933 BasicCegarLoop]: 1181 mSDtfsCounter, 2409 mSDsluCounter, 25395 mSDsCounter, 0 mSdLazyCounter, 5903 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2409 SdHoareTripleChecker+Valid, 26098 SdHoareTripleChecker+Invalid, 5926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-03-15 14:00:19,870 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2409 Valid, 26098 Invalid, 5926 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5903 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-15 14:00:19,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51536 states. [2022-03-15 14:00:20,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51536 to 23899. [2022-03-15 14:00:20,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23899 states, 23898 states have (on average 2.7547075069043436) internal successors, (65832), 23898 states have internal predecessors, (65832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:20,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23899 states to 23899 states and 65832 transitions. [2022-03-15 14:00:20,462 INFO L78 Accepts]: Start accepts. Automaton has 23899 states and 65832 transitions. Word has length 199 [2022-03-15 14:00:20,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:00:20,462 INFO L470 AbstractCegarLoop]: Abstraction has 23899 states and 65832 transitions. [2022-03-15 14:00:20,463 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:20,463 INFO L276 IsEmpty]: Start isEmpty. Operand 23899 states and 65832 transitions. [2022-03-15 14:00:20,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 14:00:20,492 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:00:20,492 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:00:20,492 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable200 [2022-03-15 14:00:20,493 INFO L402 AbstractCegarLoop]: === Iteration 202 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:00:20,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:00:20,493 INFO L85 PathProgramCache]: Analyzing trace with hash 154950441, now seen corresponding path program 178 times [2022-03-15 14:00:20,493 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:00:20,493 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976237525] [2022-03-15 14:00:20,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:00:20,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:00:20,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:00:20,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:00:20,773 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:00:20,773 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976237525] [2022-03-15 14:00:20,773 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976237525] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:00:20,773 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:00:20,773 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 14:00:20,773 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323031006] [2022-03-15 14:00:20,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:00:20,774 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 14:00:20,774 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:00:20,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 14:00:20,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 14:00:20,774 INFO L87 Difference]: Start difference. First operand 23899 states and 65832 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:24,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:00:24,298 INFO L93 Difference]: Finished difference Result 50096 states and 136931 transitions. [2022-03-15 14:00:24,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-15 14:00:24,298 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 14:00:24,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:00:24,391 INFO L225 Difference]: With dead ends: 50096 [2022-03-15 14:00:24,391 INFO L226 Difference]: Without dead ends: 50096 [2022-03-15 14:00:24,392 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1353 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=836, Invalid=5970, Unknown=0, NotChecked=0, Total=6806 [2022-03-15 14:00:24,392 INFO L933 BasicCegarLoop]: 1197 mSDtfsCounter, 2397 mSDsluCounter, 25288 mSDsCounter, 0 mSdLazyCounter, 5598 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2397 SdHoareTripleChecker+Valid, 26137 SdHoareTripleChecker+Invalid, 5621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-15 14:00:24,392 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2397 Valid, 26137 Invalid, 5621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5598 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-15 14:00:24,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50096 states. [2022-03-15 14:00:24,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50096 to 23835. [2022-03-15 14:00:24,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23835 states, 23834 states have (on average 2.7533775279013173) internal successors, (65624), 23834 states have internal predecessors, (65624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:24,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23835 states to 23835 states and 65624 transitions. [2022-03-15 14:00:24,905 INFO L78 Accepts]: Start accepts. Automaton has 23835 states and 65624 transitions. Word has length 199 [2022-03-15 14:00:24,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:00:24,905 INFO L470 AbstractCegarLoop]: Abstraction has 23835 states and 65624 transitions. [2022-03-15 14:00:24,905 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:24,905 INFO L276 IsEmpty]: Start isEmpty. Operand 23835 states and 65624 transitions. [2022-03-15 14:00:24,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 14:00:24,935 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:00:24,935 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:00:24,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable201 [2022-03-15 14:00:24,936 INFO L402 AbstractCegarLoop]: === Iteration 203 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:00:24,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:00:24,936 INFO L85 PathProgramCache]: Analyzing trace with hash 504404325, now seen corresponding path program 179 times [2022-03-15 14:00:24,936 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:00:24,936 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576657668] [2022-03-15 14:00:24,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:00:24,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:00:24,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:00:25,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:00:25,256 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:00:25,256 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576657668] [2022-03-15 14:00:25,256 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576657668] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:00:25,256 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:00:25,257 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 14:00:25,257 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277721859] [2022-03-15 14:00:25,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:00:25,257 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 14:00:25,257 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:00:25,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 14:00:25,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 14:00:25,257 INFO L87 Difference]: Start difference. First operand 23835 states and 65624 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:28,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:00:28,170 INFO L93 Difference]: Finished difference Result 45537 states and 124802 transitions. [2022-03-15 14:00:28,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-15 14:00:28,171 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 14:00:28,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:00:28,247 INFO L225 Difference]: With dead ends: 45537 [2022-03-15 14:00:28,247 INFO L226 Difference]: Without dead ends: 45537 [2022-03-15 14:00:28,248 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 988 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=683, Invalid=4867, Unknown=0, NotChecked=0, Total=5550 [2022-03-15 14:00:28,248 INFO L933 BasicCegarLoop]: 1142 mSDtfsCounter, 2107 mSDsluCounter, 23929 mSDsCounter, 0 mSdLazyCounter, 5424 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2107 SdHoareTripleChecker+Valid, 24757 SdHoareTripleChecker+Invalid, 5443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 14:00:28,248 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2107 Valid, 24757 Invalid, 5443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5424 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 14:00:28,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45537 states. [2022-03-15 14:00:28,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45537 to 23787. [2022-03-15 14:00:28,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23787 states, 23786 states have (on average 2.752879845287144) internal successors, (65480), 23786 states have internal predecessors, (65480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:28,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23787 states to 23787 states and 65480 transitions. [2022-03-15 14:00:28,768 INFO L78 Accepts]: Start accepts. Automaton has 23787 states and 65480 transitions. Word has length 199 [2022-03-15 14:00:28,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:00:28,768 INFO L470 AbstractCegarLoop]: Abstraction has 23787 states and 65480 transitions. [2022-03-15 14:00:28,769 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:28,769 INFO L276 IsEmpty]: Start isEmpty. Operand 23787 states and 65480 transitions. [2022-03-15 14:00:28,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 14:00:28,798 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:00:28,798 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:00:28,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable202 [2022-03-15 14:00:28,798 INFO L402 AbstractCegarLoop]: === Iteration 204 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:00:28,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:00:28,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1506776305, now seen corresponding path program 180 times [2022-03-15 14:00:28,799 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:00:28,799 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188057496] [2022-03-15 14:00:28,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:00:28,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:00:28,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:00:29,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:00:29,080 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:00:29,080 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188057496] [2022-03-15 14:00:29,080 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188057496] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:00:29,080 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:00:29,081 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 14:00:29,081 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372009846] [2022-03-15 14:00:29,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:00:29,081 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 14:00:29,081 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:00:29,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 14:00:29,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 14:00:29,081 INFO L87 Difference]: Start difference. First operand 23787 states and 65480 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:32,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:00:32,293 INFO L93 Difference]: Finished difference Result 46271 states and 126496 transitions. [2022-03-15 14:00:32,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-15 14:00:32,293 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 14:00:32,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:00:32,377 INFO L225 Difference]: With dead ends: 46271 [2022-03-15 14:00:32,377 INFO L226 Difference]: Without dead ends: 46271 [2022-03-15 14:00:32,377 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 986 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=683, Invalid=4867, Unknown=0, NotChecked=0, Total=5550 [2022-03-15 14:00:32,377 INFO L933 BasicCegarLoop]: 1171 mSDtfsCounter, 2057 mSDsluCounter, 24545 mSDsCounter, 0 mSdLazyCounter, 5360 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2057 SdHoareTripleChecker+Valid, 25380 SdHoareTripleChecker+Invalid, 5379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-03-15 14:00:32,377 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2057 Valid, 25380 Invalid, 5379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5360 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-03-15 14:00:32,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46271 states. [2022-03-15 14:00:32,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46271 to 23603. [2022-03-15 14:00:32,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23603 states, 23602 states have (on average 2.7527328192526057) internal successors, (64970), 23602 states have internal predecessors, (64970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:32,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23603 states to 23603 states and 64970 transitions. [2022-03-15 14:00:32,923 INFO L78 Accepts]: Start accepts. Automaton has 23603 states and 64970 transitions. Word has length 199 [2022-03-15 14:00:32,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:00:32,923 INFO L470 AbstractCegarLoop]: Abstraction has 23603 states and 64970 transitions. [2022-03-15 14:00:32,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:32,923 INFO L276 IsEmpty]: Start isEmpty. Operand 23603 states and 64970 transitions. [2022-03-15 14:00:32,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 14:00:32,951 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:00:32,952 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:00:32,952 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable203 [2022-03-15 14:00:32,952 INFO L402 AbstractCegarLoop]: === Iteration 205 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:00:32,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:00:32,952 INFO L85 PathProgramCache]: Analyzing trace with hash -250192785, now seen corresponding path program 181 times [2022-03-15 14:00:32,952 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:00:32,952 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992263780] [2022-03-15 14:00:32,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:00:32,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:00:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:00:33,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:00:33,347 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:00:33,347 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992263780] [2022-03-15 14:00:33,347 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992263780] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:00:33,347 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:00:33,347 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 14:00:33,347 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174885183] [2022-03-15 14:00:33,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:00:33,347 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 14:00:33,347 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:00:33,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 14:00:33,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 14:00:33,348 INFO L87 Difference]: Start difference. First operand 23603 states and 64970 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:36,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:00:36,658 INFO L93 Difference]: Finished difference Result 51221 states and 139759 transitions. [2022-03-15 14:00:36,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-15 14:00:36,659 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 14:00:36,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:00:36,757 INFO L225 Difference]: With dead ends: 51221 [2022-03-15 14:00:36,757 INFO L226 Difference]: Without dead ends: 51221 [2022-03-15 14:00:36,758 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1227 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=819, Invalid=5661, Unknown=0, NotChecked=0, Total=6480 [2022-03-15 14:00:36,758 INFO L933 BasicCegarLoop]: 1139 mSDtfsCounter, 2566 mSDsluCounter, 24547 mSDsCounter, 0 mSdLazyCounter, 5679 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2566 SdHoareTripleChecker+Valid, 25211 SdHoareTripleChecker+Invalid, 5702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-03-15 14:00:36,758 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2566 Valid, 25211 Invalid, 5702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5679 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-15 14:00:36,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51221 states. [2022-03-15 14:00:37,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51221 to 23767. [2022-03-15 14:00:37,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23767 states, 23766 states have (on average 2.754565345451485) internal successors, (65465), 23766 states have internal predecessors, (65465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:37,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23767 states to 23767 states and 65465 transitions. [2022-03-15 14:00:37,342 INFO L78 Accepts]: Start accepts. Automaton has 23767 states and 65465 transitions. Word has length 199 [2022-03-15 14:00:37,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:00:37,342 INFO L470 AbstractCegarLoop]: Abstraction has 23767 states and 65465 transitions. [2022-03-15 14:00:37,342 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:37,342 INFO L276 IsEmpty]: Start isEmpty. Operand 23767 states and 65465 transitions. [2022-03-15 14:00:37,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 14:00:37,371 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:00:37,371 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:00:37,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable204 [2022-03-15 14:00:37,372 INFO L402 AbstractCegarLoop]: === Iteration 206 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:00:37,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:00:37,372 INFO L85 PathProgramCache]: Analyzing trace with hash 2022976469, now seen corresponding path program 182 times [2022-03-15 14:00:37,372 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:00:37,372 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405585357] [2022-03-15 14:00:37,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:00:37,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:00:37,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:00:37,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:00:37,661 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:00:37,661 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405585357] [2022-03-15 14:00:37,661 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405585357] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:00:37,661 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:00:37,661 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 14:00:37,661 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220347077] [2022-03-15 14:00:37,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:00:37,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 14:00:37,661 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:00:37,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 14:00:37,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 14:00:37,662 INFO L87 Difference]: Start difference. First operand 23767 states and 65465 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:41,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:00:41,052 INFO L93 Difference]: Finished difference Result 50018 states and 136827 transitions. [2022-03-15 14:00:41,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-15 14:00:41,052 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 14:00:41,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:00:41,144 INFO L225 Difference]: With dead ends: 50018 [2022-03-15 14:00:41,144 INFO L226 Difference]: Without dead ends: 50018 [2022-03-15 14:00:41,145 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1214 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=773, Invalid=5547, Unknown=0, NotChecked=0, Total=6320 [2022-03-15 14:00:41,145 INFO L933 BasicCegarLoop]: 1077 mSDtfsCounter, 2486 mSDsluCounter, 23062 mSDsCounter, 0 mSdLazyCounter, 5354 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2486 SdHoareTripleChecker+Valid, 23861 SdHoareTripleChecker+Invalid, 5377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-03-15 14:00:41,145 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2486 Valid, 23861 Invalid, 5377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5354 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-15 14:00:41,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50018 states. [2022-03-15 14:00:41,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50018 to 23703. [2022-03-15 14:00:41,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23703 states, 23702 states have (on average 2.753227575732006) internal successors, (65257), 23702 states have internal predecessors, (65257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:41,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23703 states to 23703 states and 65257 transitions. [2022-03-15 14:00:41,713 INFO L78 Accepts]: Start accepts. Automaton has 23703 states and 65257 transitions. Word has length 199 [2022-03-15 14:00:41,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:00:41,713 INFO L470 AbstractCegarLoop]: Abstraction has 23703 states and 65257 transitions. [2022-03-15 14:00:41,714 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:41,714 INFO L276 IsEmpty]: Start isEmpty. Operand 23703 states and 65257 transitions. [2022-03-15 14:00:41,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 14:00:41,742 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:00:41,742 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:00:41,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable205 [2022-03-15 14:00:41,743 INFO L402 AbstractCegarLoop]: === Iteration 207 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:00:41,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:00:41,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1645779245, now seen corresponding path program 183 times [2022-03-15 14:00:41,743 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:00:41,743 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112807741] [2022-03-15 14:00:41,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:00:41,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:00:41,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:00:42,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:00:42,132 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:00:42,132 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112807741] [2022-03-15 14:00:42,132 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112807741] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:00:42,132 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:00:42,132 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 14:00:42,132 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749832725] [2022-03-15 14:00:42,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:00:42,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 14:00:42,132 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:00:42,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 14:00:42,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 14:00:42,133 INFO L87 Difference]: Start difference. First operand 23703 states and 65257 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:45,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:00:45,128 INFO L93 Difference]: Finished difference Result 46716 states and 127772 transitions. [2022-03-15 14:00:45,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-03-15 14:00:45,128 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 14:00:45,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:00:45,207 INFO L225 Difference]: With dead ends: 46716 [2022-03-15 14:00:45,208 INFO L226 Difference]: Without dead ends: 46716 [2022-03-15 14:00:45,208 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 890 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=663, Invalid=4593, Unknown=0, NotChecked=0, Total=5256 [2022-03-15 14:00:45,208 INFO L933 BasicCegarLoop]: 1133 mSDtfsCounter, 2059 mSDsluCounter, 24054 mSDsCounter, 0 mSdLazyCounter, 5434 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2059 SdHoareTripleChecker+Valid, 24722 SdHoareTripleChecker+Invalid, 5453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-15 14:00:45,208 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2059 Valid, 24722 Invalid, 5453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5434 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-15 14:00:45,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46716 states. [2022-03-15 14:00:45,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46716 to 23655. [2022-03-15 14:00:45,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23655 states, 23654 states have (on average 2.7527268115329333) internal successors, (65113), 23654 states have internal predecessors, (65113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:45,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23655 states to 23655 states and 65113 transitions. [2022-03-15 14:00:45,744 INFO L78 Accepts]: Start accepts. Automaton has 23655 states and 65113 transitions. Word has length 199 [2022-03-15 14:00:45,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:00:45,744 INFO L470 AbstractCegarLoop]: Abstraction has 23655 states and 65113 transitions. [2022-03-15 14:00:45,745 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:45,745 INFO L276 IsEmpty]: Start isEmpty. Operand 23655 states and 65113 transitions. [2022-03-15 14:00:45,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 14:00:45,775 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:00:45,775 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:00:45,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable206 [2022-03-15 14:00:45,775 INFO L402 AbstractCegarLoop]: === Iteration 208 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:00:45,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:00:45,775 INFO L85 PathProgramCache]: Analyzing trace with hash 2008485933, now seen corresponding path program 184 times [2022-03-15 14:00:45,775 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:00:45,775 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193584788] [2022-03-15 14:00:45,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:00:45,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:00:45,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:00:46,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:00:46,077 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:00:46,077 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193584788] [2022-03-15 14:00:46,077 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193584788] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:00:46,077 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:00:46,077 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 14:00:46,077 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334290642] [2022-03-15 14:00:46,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:00:46,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 14:00:46,077 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:00:46,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 14:00:46,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 14:00:46,078 INFO L87 Difference]: Start difference. First operand 23655 states and 65113 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:49,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:00:49,443 INFO L93 Difference]: Finished difference Result 51409 states and 140242 transitions. [2022-03-15 14:00:49,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-15 14:00:49,444 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 14:00:49,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:00:49,541 INFO L225 Difference]: With dead ends: 51409 [2022-03-15 14:00:49,541 INFO L226 Difference]: Without dead ends: 51409 [2022-03-15 14:00:49,541 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1173 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=804, Invalid=5516, Unknown=0, NotChecked=0, Total=6320 [2022-03-15 14:00:49,543 INFO L933 BasicCegarLoop]: 1158 mSDtfsCounter, 2410 mSDsluCounter, 24884 mSDsCounter, 0 mSdLazyCounter, 5743 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2410 SdHoareTripleChecker+Valid, 25533 SdHoareTripleChecker+Invalid, 5766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-03-15 14:00:49,543 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2410 Valid, 25533 Invalid, 5766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5743 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-03-15 14:00:49,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51409 states. [2022-03-15 14:00:50,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51409 to 23767. [2022-03-15 14:00:50,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23767 states, 23766 states have (on average 2.754565345451485) internal successors, (65465), 23766 states have internal predecessors, (65465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:50,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23767 states to 23767 states and 65465 transitions. [2022-03-15 14:00:50,181 INFO L78 Accepts]: Start accepts. Automaton has 23767 states and 65465 transitions. Word has length 199 [2022-03-15 14:00:50,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:00:50,181 INFO L470 AbstractCegarLoop]: Abstraction has 23767 states and 65465 transitions. [2022-03-15 14:00:50,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:50,181 INFO L276 IsEmpty]: Start isEmpty. Operand 23767 states and 65465 transitions. [2022-03-15 14:00:50,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 14:00:50,211 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:00:50,211 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:00:50,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable207 [2022-03-15 14:00:50,211 INFO L402 AbstractCegarLoop]: === Iteration 209 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:00:50,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:00:50,211 INFO L85 PathProgramCache]: Analyzing trace with hash -13312109, now seen corresponding path program 185 times [2022-03-15 14:00:50,211 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:00:50,212 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327710891] [2022-03-15 14:00:50,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:00:50,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:00:50,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:00:50,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:00:50,502 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:00:50,502 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327710891] [2022-03-15 14:00:50,502 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327710891] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:00:50,502 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:00:50,502 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 14:00:50,502 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125707548] [2022-03-15 14:00:50,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:00:50,502 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 14:00:50,502 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:00:50,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 14:00:50,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 14:00:50,503 INFO L87 Difference]: Start difference. First operand 23767 states and 65465 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:53,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:00:53,714 INFO L93 Difference]: Finished difference Result 49922 states and 136574 transitions. [2022-03-15 14:00:53,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-15 14:00:53,715 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 14:00:53,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:00:53,817 INFO L225 Difference]: With dead ends: 49922 [2022-03-15 14:00:53,817 INFO L226 Difference]: Without dead ends: 49922 [2022-03-15 14:00:53,817 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1078 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=715, Invalid=5137, Unknown=0, NotChecked=0, Total=5852 [2022-03-15 14:00:53,817 INFO L933 BasicCegarLoop]: 1123 mSDtfsCounter, 2423 mSDsluCounter, 23886 mSDsCounter, 0 mSdLazyCounter, 5375 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2423 SdHoareTripleChecker+Valid, 24664 SdHoareTripleChecker+Invalid, 5398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-15 14:00:53,817 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2423 Valid, 24664 Invalid, 5398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5375 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-15 14:00:53,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49922 states. [2022-03-15 14:00:54,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49922 to 23703. [2022-03-15 14:00:54,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23703 states, 23702 states have (on average 2.753227575732006) internal successors, (65257), 23702 states have internal predecessors, (65257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:54,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23703 states to 23703 states and 65257 transitions. [2022-03-15 14:00:54,440 INFO L78 Accepts]: Start accepts. Automaton has 23703 states and 65257 transitions. Word has length 199 [2022-03-15 14:00:54,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:00:54,440 INFO L470 AbstractCegarLoop]: Abstraction has 23703 states and 65257 transitions. [2022-03-15 14:00:54,441 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:54,441 INFO L276 IsEmpty]: Start isEmpty. Operand 23703 states and 65257 transitions. [2022-03-15 14:00:54,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 14:00:54,469 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:00:54,469 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:00:54,469 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable208 [2022-03-15 14:00:54,469 INFO L402 AbstractCegarLoop]: === Iteration 210 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:00:54,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:00:54,469 INFO L85 PathProgramCache]: Analyzing trace with hash 336141775, now seen corresponding path program 186 times [2022-03-15 14:00:54,469 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:00:54,469 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607666414] [2022-03-15 14:00:54,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:00:54,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:00:54,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:00:54,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:00:54,748 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:00:54,748 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607666414] [2022-03-15 14:00:54,748 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607666414] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:00:54,748 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:00:54,748 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 14:00:54,748 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961830384] [2022-03-15 14:00:54,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:00:54,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 14:00:54,749 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:00:54,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 14:00:54,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 14:00:54,749 INFO L87 Difference]: Start difference. First operand 23703 states and 65257 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:57,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:00:57,648 INFO L93 Difference]: Finished difference Result 45248 states and 124119 transitions. [2022-03-15 14:00:57,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-03-15 14:00:57,649 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 14:00:57,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:00:57,718 INFO L225 Difference]: With dead ends: 45248 [2022-03-15 14:00:57,719 INFO L226 Difference]: Without dead ends: 45248 [2022-03-15 14:00:57,719 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 832 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=616, Invalid=4354, Unknown=0, NotChecked=0, Total=4970 [2022-03-15 14:00:57,719 INFO L933 BasicCegarLoop]: 1070 mSDtfsCounter, 2051 mSDsluCounter, 22584 mSDsCounter, 0 mSdLazyCounter, 5191 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2051 SdHoareTripleChecker+Valid, 23341 SdHoareTripleChecker+Invalid, 5210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 14:00:57,719 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2051 Valid, 23341 Invalid, 5210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5191 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 14:00:57,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45248 states. [2022-03-15 14:00:58,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45248 to 23619. [2022-03-15 14:00:58,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23619 states, 23618 states have (on average 2.7527309679058347) internal successors, (65014), 23618 states have internal predecessors, (65014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:58,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23619 states to 23619 states and 65014 transitions. [2022-03-15 14:00:58,254 INFO L78 Accepts]: Start accepts. Automaton has 23619 states and 65014 transitions. Word has length 199 [2022-03-15 14:00:58,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:00:58,254 INFO L470 AbstractCegarLoop]: Abstraction has 23619 states and 65014 transitions. [2022-03-15 14:00:58,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:58,254 INFO L276 IsEmpty]: Start isEmpty. Operand 23619 states and 65014 transitions. [2022-03-15 14:00:58,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 14:00:58,284 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:00:58,284 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:00:58,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable209 [2022-03-15 14:00:58,285 INFO L402 AbstractCegarLoop]: === Iteration 211 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:00:58,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:00:58,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1210751217, now seen corresponding path program 187 times [2022-03-15 14:00:58,285 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:00:58,285 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179582050] [2022-03-15 14:00:58,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:00:58,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:00:58,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:00:58,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:00:58,572 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:00:58,572 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179582050] [2022-03-15 14:00:58,572 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179582050] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:00:58,572 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:00:58,572 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 14:00:58,572 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12556516] [2022-03-15 14:00:58,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:00:58,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 14:00:58,572 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:00:58,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 14:00:58,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 14:00:58,573 INFO L87 Difference]: Start difference. First operand 23619 states and 65014 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:02,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:01:02,008 INFO L93 Difference]: Finished difference Result 51081 states and 139370 transitions. [2022-03-15 14:01:02,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-03-15 14:01:02,009 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 14:01:02,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:01:02,106 INFO L225 Difference]: With dead ends: 51081 [2022-03-15 14:01:02,106 INFO L226 Difference]: Without dead ends: 51081 [2022-03-15 14:01:02,107 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1355 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=905, Invalid=6067, Unknown=0, NotChecked=0, Total=6972 [2022-03-15 14:01:02,107 INFO L933 BasicCegarLoop]: 1171 mSDtfsCounter, 2700 mSDsluCounter, 25248 mSDsCounter, 0 mSdLazyCounter, 5689 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2700 SdHoareTripleChecker+Valid, 25905 SdHoareTripleChecker+Invalid, 5712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-03-15 14:01:02,107 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2700 Valid, 25905 Invalid, 5712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5689 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-15 14:01:02,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51081 states. [2022-03-15 14:01:02,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51081 to 23747. [2022-03-15 14:01:02,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23747 states, 23746 states have (on average 2.754737640023583) internal successors, (65414), 23746 states have internal predecessors, (65414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:02,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23747 states to 23747 states and 65414 transitions. [2022-03-15 14:01:02,799 INFO L78 Accepts]: Start accepts. Automaton has 23747 states and 65414 transitions. Word has length 199 [2022-03-15 14:01:02,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:01:02,799 INFO L470 AbstractCegarLoop]: Abstraction has 23747 states and 65414 transitions. [2022-03-15 14:01:02,799 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:02,799 INFO L276 IsEmpty]: Start isEmpty. Operand 23747 states and 65414 transitions. [2022-03-15 14:01:02,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 14:01:02,831 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:01:02,831 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:01:02,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable210 [2022-03-15 14:01:02,832 INFO L402 AbstractCegarLoop]: === Iteration 212 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:01:02,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:01:02,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1062418037, now seen corresponding path program 188 times [2022-03-15 14:01:02,832 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:01:02,832 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164206374] [2022-03-15 14:01:02,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:01:02,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:01:02,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:01:03,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:01:03,119 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:01:03,119 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164206374] [2022-03-15 14:01:03,119 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164206374] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:01:03,119 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:01:03,119 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 14:01:03,119 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405473389] [2022-03-15 14:01:03,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:01:03,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 14:01:03,120 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:01:03,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 14:01:03,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 14:01:03,120 INFO L87 Difference]: Start difference. First operand 23747 states and 65414 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:06,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:01:06,344 INFO L93 Difference]: Finished difference Result 49834 states and 136321 transitions. [2022-03-15 14:01:06,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-15 14:01:06,345 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 14:01:06,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:01:06,440 INFO L225 Difference]: With dead ends: 49834 [2022-03-15 14:01:06,440 INFO L226 Difference]: Without dead ends: 49834 [2022-03-15 14:01:06,441 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1254 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=810, Invalid=5670, Unknown=0, NotChecked=0, Total=6480 [2022-03-15 14:01:06,441 INFO L933 BasicCegarLoop]: 1095 mSDtfsCounter, 2598 mSDsluCounter, 23507 mSDsCounter, 0 mSdLazyCounter, 5348 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2598 SdHoareTripleChecker+Valid, 24299 SdHoareTripleChecker+Invalid, 5371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-15 14:01:06,441 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2598 Valid, 24299 Invalid, 5371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5348 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-15 14:01:06,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49834 states. [2022-03-15 14:01:07,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49834 to 23683. [2022-03-15 14:01:07,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23683 states, 23682 states have (on average 2.753399206148129) internal successors, (65206), 23682 states have internal predecessors, (65206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:07,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23683 states to 23683 states and 65206 transitions. [2022-03-15 14:01:07,118 INFO L78 Accepts]: Start accepts. Automaton has 23683 states and 65206 transitions. Word has length 199 [2022-03-15 14:01:07,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:01:07,118 INFO L470 AbstractCegarLoop]: Abstraction has 23683 states and 65206 transitions. [2022-03-15 14:01:07,118 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:07,118 INFO L276 IsEmpty]: Start isEmpty. Operand 23683 states and 65206 transitions. [2022-03-15 14:01:07,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 14:01:07,149 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:01:07,149 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:01:07,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable211 [2022-03-15 14:01:07,149 INFO L402 AbstractCegarLoop]: === Iteration 213 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:01:07,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:01:07,149 INFO L85 PathProgramCache]: Analyzing trace with hash 685220813, now seen corresponding path program 189 times [2022-03-15 14:01:07,150 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:01:07,150 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724544476] [2022-03-15 14:01:07,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:01:07,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:01:07,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:01:07,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:01:07,436 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:01:07,436 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724544476] [2022-03-15 14:01:07,436 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724544476] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:01:07,436 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:01:07,436 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 14:01:07,436 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74465416] [2022-03-15 14:01:07,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:01:07,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 14:01:07,436 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:01:07,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 14:01:07,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 14:01:07,437 INFO L87 Difference]: Start difference. First operand 23683 states and 65206 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:10,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:01:10,557 INFO L93 Difference]: Finished difference Result 46604 states and 127460 transitions. [2022-03-15 14:01:10,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-15 14:01:10,557 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 14:01:10,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:01:10,634 INFO L225 Difference]: With dead ends: 46604 [2022-03-15 14:01:10,634 INFO L226 Difference]: Without dead ends: 46604 [2022-03-15 14:01:10,634 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 998 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=735, Invalid=4965, Unknown=0, NotChecked=0, Total=5700 [2022-03-15 14:01:10,634 INFO L933 BasicCegarLoop]: 1165 mSDtfsCounter, 2152 mSDsluCounter, 24664 mSDsCounter, 0 mSdLazyCounter, 5450 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2152 SdHoareTripleChecker+Valid, 25329 SdHoareTripleChecker+Invalid, 5469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 14:01:10,634 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2152 Valid, 25329 Invalid, 5469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5450 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 14:01:10,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46604 states. [2022-03-15 14:01:11,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46604 to 23635. [2022-03-15 14:01:11,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23635 states, 23634 states have (on average 2.752898366759753) internal successors, (65062), 23634 states have internal predecessors, (65062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:11,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23635 states to 23635 states and 65062 transitions. [2022-03-15 14:01:11,231 INFO L78 Accepts]: Start accepts. Automaton has 23635 states and 65062 transitions. Word has length 199 [2022-03-15 14:01:11,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:01:11,231 INFO L470 AbstractCegarLoop]: Abstraction has 23635 states and 65062 transitions. [2022-03-15 14:01:11,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:11,231 INFO L276 IsEmpty]: Start isEmpty. Operand 23635 states and 65062 transitions. [2022-03-15 14:01:11,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 14:01:11,261 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:01:11,261 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:01:11,261 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable212 [2022-03-15 14:01:11,261 INFO L402 AbstractCegarLoop]: === Iteration 214 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:01:11,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:01:11,261 INFO L85 PathProgramCache]: Analyzing trace with hash 339019003, now seen corresponding path program 190 times [2022-03-15 14:01:11,261 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:01:11,261 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194018536] [2022-03-15 14:01:11,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:01:11,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:01:11,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:01:11,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:01:11,541 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:01:11,541 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194018536] [2022-03-15 14:01:11,541 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194018536] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:01:11,541 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:01:11,541 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 14:01:11,541 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504911670] [2022-03-15 14:01:11,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:01:11,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 14:01:11,542 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:01:11,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 14:01:11,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 14:01:11,542 INFO L87 Difference]: Start difference. First operand 23635 states and 65062 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:14,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:01:14,658 INFO L93 Difference]: Finished difference Result 47718 states and 130251 transitions. [2022-03-15 14:01:14,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-15 14:01:14,659 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 14:01:14,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:01:14,758 INFO L225 Difference]: With dead ends: 47718 [2022-03-15 14:01:14,758 INFO L226 Difference]: Without dead ends: 47718 [2022-03-15 14:01:14,759 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 991 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=741, Invalid=4959, Unknown=0, NotChecked=0, Total=5700 [2022-03-15 14:01:14,759 INFO L933 BasicCegarLoop]: 1188 mSDtfsCounter, 2234 mSDsluCounter, 25183 mSDsCounter, 0 mSdLazyCounter, 5423 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2234 SdHoareTripleChecker+Valid, 25831 SdHoareTripleChecker+Invalid, 5442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 14:01:14,759 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2234 Valid, 25831 Invalid, 5442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5423 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 14:01:14,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47718 states. [2022-03-15 14:01:15,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47718 to 23607. [2022-03-15 14:01:15,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23607 states, 23606 states have (on average 2.752732356180632) internal successors, (64981), 23606 states have internal predecessors, (64981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:15,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23607 states to 23607 states and 64981 transitions. [2022-03-15 14:01:15,348 INFO L78 Accepts]: Start accepts. Automaton has 23607 states and 64981 transitions. Word has length 199 [2022-03-15 14:01:15,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:01:15,349 INFO L470 AbstractCegarLoop]: Abstraction has 23607 states and 64981 transitions. [2022-03-15 14:01:15,349 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:15,349 INFO L276 IsEmpty]: Start isEmpty. Operand 23607 states and 64981 transitions. [2022-03-15 14:01:15,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 14:01:15,380 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:01:15,381 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:01:15,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable213 [2022-03-15 14:01:15,381 INFO L402 AbstractCegarLoop]: === Iteration 215 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:01:15,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:01:15,381 INFO L85 PathProgramCache]: Analyzing trace with hash 256640781, now seen corresponding path program 191 times [2022-03-15 14:01:15,381 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:01:15,381 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885615651] [2022-03-15 14:01:15,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:01:15,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:01:15,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:01:15,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:01:15,732 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:01:15,732 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885615651] [2022-03-15 14:01:15,733 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885615651] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:01:15,733 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:01:15,733 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 14:01:15,733 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608447281] [2022-03-15 14:01:15,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:01:15,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 14:01:15,733 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:01:15,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 14:01:15,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 14:01:15,733 INFO L87 Difference]: Start difference. First operand 23607 states and 64981 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:18,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:01:18,900 INFO L93 Difference]: Finished difference Result 51613 states and 140801 transitions. [2022-03-15 14:01:18,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-15 14:01:18,900 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 14:01:18,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:01:19,017 INFO L225 Difference]: With dead ends: 51613 [2022-03-15 14:01:19,017 INFO L226 Difference]: Without dead ends: 51613 [2022-03-15 14:01:19,018 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1098 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=755, Invalid=5251, Unknown=0, NotChecked=0, Total=6006 [2022-03-15 14:01:19,018 INFO L933 BasicCegarLoop]: 1126 mSDtfsCounter, 2536 mSDsluCounter, 24257 mSDsCounter, 0 mSdLazyCounter, 5618 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2536 SdHoareTripleChecker+Valid, 24943 SdHoareTripleChecker+Invalid, 5641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-15 14:01:19,018 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2536 Valid, 24943 Invalid, 5641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5618 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-15 14:01:19,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51613 states. [2022-03-15 14:01:19,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51613 to 23767. [2022-03-15 14:01:19,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23767 states, 23766 states have (on average 2.754565345451485) internal successors, (65465), 23766 states have internal predecessors, (65465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:19,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23767 states to 23767 states and 65465 transitions. [2022-03-15 14:01:19,701 INFO L78 Accepts]: Start accepts. Automaton has 23767 states and 65465 transitions. Word has length 199 [2022-03-15 14:01:19,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:01:19,701 INFO L470 AbstractCegarLoop]: Abstraction has 23767 states and 65465 transitions. [2022-03-15 14:01:19,701 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:19,702 INFO L276 IsEmpty]: Start isEmpty. Operand 23767 states and 65465 transitions. [2022-03-15 14:01:19,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 14:01:19,731 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:01:19,731 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:01:19,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable214 [2022-03-15 14:01:19,732 INFO L402 AbstractCegarLoop]: === Iteration 216 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:01:19,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:01:19,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1765157261, now seen corresponding path program 192 times [2022-03-15 14:01:19,732 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:01:19,732 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74116063] [2022-03-15 14:01:19,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:01:19,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:01:19,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:01:20,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:01:20,015 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:01:20,015 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74116063] [2022-03-15 14:01:20,015 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74116063] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:01:20,015 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:01:20,016 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 14:01:20,016 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837852256] [2022-03-15 14:01:20,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:01:20,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 14:01:20,016 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:01:20,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 14:01:20,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 14:01:20,016 INFO L87 Difference]: Start difference. First operand 23767 states and 65465 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:23,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:01:23,184 INFO L93 Difference]: Finished difference Result 50586 states and 138337 transitions. [2022-03-15 14:01:23,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-03-15 14:01:23,185 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 14:01:23,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:01:23,282 INFO L225 Difference]: With dead ends: 50586 [2022-03-15 14:01:23,282 INFO L226 Difference]: Without dead ends: 50586 [2022-03-15 14:01:23,283 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1163 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=758, Invalid=5404, Unknown=0, NotChecked=0, Total=6162 [2022-03-15 14:01:23,283 INFO L933 BasicCegarLoop]: 1093 mSDtfsCounter, 2436 mSDsluCounter, 23255 mSDsCounter, 0 mSdLazyCounter, 5386 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2436 SdHoareTripleChecker+Valid, 24088 SdHoareTripleChecker+Invalid, 5409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 14:01:23,283 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2436 Valid, 24088 Invalid, 5409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5386 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 14:01:23,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50586 states. [2022-03-15 14:01:23,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50586 to 23703. [2022-03-15 14:01:24,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23703 states, 23702 states have (on average 2.753227575732006) internal successors, (65257), 23702 states have internal predecessors, (65257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:24,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23703 states to 23703 states and 65257 transitions. [2022-03-15 14:01:24,055 INFO L78 Accepts]: Start accepts. Automaton has 23703 states and 65257 transitions. Word has length 199 [2022-03-15 14:01:24,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:01:24,055 INFO L470 AbstractCegarLoop]: Abstraction has 23703 states and 65257 transitions. [2022-03-15 14:01:24,056 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:24,056 INFO L276 IsEmpty]: Start isEmpty. Operand 23703 states and 65257 transitions. [2022-03-15 14:01:24,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 14:01:24,086 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:01:24,086 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:01:24,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable215 [2022-03-15 14:01:24,086 INFO L402 AbstractCegarLoop]: === Iteration 217 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:01:24,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:01:24,086 INFO L85 PathProgramCache]: Analyzing trace with hash -2142354485, now seen corresponding path program 193 times [2022-03-15 14:01:24,086 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:01:24,086 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442369183] [2022-03-15 14:01:24,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:01:24,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:01:24,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:01:24,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:01:24,373 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:01:24,373 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442369183] [2022-03-15 14:01:24,373 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442369183] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:01:24,373 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:01:24,373 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 14:01:24,373 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468092601] [2022-03-15 14:01:24,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:01:24,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 14:01:24,374 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:01:24,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 14:01:24,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 14:01:24,374 INFO L87 Difference]: Start difference. First operand 23703 states and 65257 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:27,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:01:27,278 INFO L93 Difference]: Finished difference Result 47108 states and 128814 transitions. [2022-03-15 14:01:27,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-03-15 14:01:27,278 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 14:01:27,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:01:27,364 INFO L225 Difference]: With dead ends: 47108 [2022-03-15 14:01:27,364 INFO L226 Difference]: Without dead ends: 47108 [2022-03-15 14:01:27,365 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 854 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=647, Invalid=4465, Unknown=0, NotChecked=0, Total=5112 [2022-03-15 14:01:27,365 INFO L933 BasicCegarLoop]: 1123 mSDtfsCounter, 2055 mSDsluCounter, 23809 mSDsCounter, 0 mSdLazyCounter, 5370 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2055 SdHoareTripleChecker+Valid, 24502 SdHoareTripleChecker+Invalid, 5389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 14:01:27,365 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2055 Valid, 24502 Invalid, 5389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5370 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 14:01:27,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47108 states. [2022-03-15 14:01:28,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47108 to 23655. [2022-03-15 14:01:28,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23655 states, 23654 states have (on average 2.7527268115329333) internal successors, (65113), 23654 states have internal predecessors, (65113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:28,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23655 states to 23655 states and 65113 transitions. [2022-03-15 14:01:28,202 INFO L78 Accepts]: Start accepts. Automaton has 23655 states and 65113 transitions. Word has length 199 [2022-03-15 14:01:28,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:01:28,202 INFO L470 AbstractCegarLoop]: Abstraction has 23655 states and 65113 transitions. [2022-03-15 14:01:28,202 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:28,202 INFO L276 IsEmpty]: Start isEmpty. Operand 23655 states and 65113 transitions. [2022-03-15 14:01:28,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-03-15 14:01:28,237 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:01:28,237 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:01:28,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable216 [2022-03-15 14:01:28,237 INFO L402 AbstractCegarLoop]: === Iteration 218 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:01:28,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:01:28,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1779647797, now seen corresponding path program 194 times [2022-03-15 14:01:28,238 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:01:28,238 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822359085] [2022-03-15 14:01:28,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:01:28,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:01:28,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:01:28,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:01:28,525 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:01:28,525 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822359085] [2022-03-15 14:01:28,525 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822359085] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:01:28,525 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:01:28,525 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-15 14:01:28,525 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962341290] [2022-03-15 14:01:28,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:01:28,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 14:01:28,526 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:01:28,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 14:01:28,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-03-15 14:01:28,526 INFO L87 Difference]: Start difference. First operand 23655 states and 65113 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:31,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:01:31,895 INFO L93 Difference]: Finished difference Result 51817 states and 141328 transitions. [2022-03-15 14:01:31,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-15 14:01:31,895 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-03-15 14:01:31,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:01:32,001 INFO L225 Difference]: With dead ends: 51817 [2022-03-15 14:01:32,001 INFO L226 Difference]: Without dead ends: 51817 [2022-03-15 14:01:32,001 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1227 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=819, Invalid=5661, Unknown=0, NotChecked=0, Total=6480 [2022-03-15 14:01:32,002 INFO L933 BasicCegarLoop]: 1148 mSDtfsCounter, 2438 mSDsluCounter, 24704 mSDsCounter, 0 mSdLazyCounter, 5701 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2438 SdHoareTripleChecker+Valid, 25376 SdHoareTripleChecker+Invalid, 5724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-15 14:01:32,002 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2438 Valid, 25376 Invalid, 5724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5701 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-15 14:01:32,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51817 states. Received shutdown request... [2022-03-15 14:01:32,304 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-03-15 14:01:32,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable217 [2022-03-15 14:01:32,304 WARN L594 AbstractCegarLoop]: Verification canceled: while executing MinimizeSevpa. [2022-03-15 14:01:32,305 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-03-15 14:01:32,305 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-03-15 14:01:32,308 INFO L732 BasicCegarLoop]: Path program histogram: [194, 10, 10, 2, 1, 1] [2022-03-15 14:01:32,309 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-15 14:01:32,309 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-15 14:01:32,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 02:01:32 BasicIcfg [2022-03-15 14:01:32,314 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-15 14:01:32,314 INFO L158 Benchmark]: Toolchain (without parser) took 742421.05ms. Allocated memory was 191.9MB in the beginning and 6.8GB in the end (delta: 6.6GB). Free memory was 133.6MB in the beginning and 3.5GB in the end (delta: -3.3GB). Peak memory consumption was 3.5GB. Max. memory is 8.0GB. [2022-03-15 14:01:32,314 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 191.9MB. Free memory is still 150.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 14:01:32,314 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.76ms. Allocated memory was 191.9MB in the beginning and 284.2MB in the end (delta: 92.3MB). Free memory was 133.5MB in the beginning and 255.9MB in the end (delta: -122.4MB). Peak memory consumption was 12.4MB. Max. memory is 8.0GB. [2022-03-15 14:01:32,314 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.39ms. Allocated memory is still 284.2MB. Free memory was 255.9MB in the beginning and 253.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-15 14:01:32,314 INFO L158 Benchmark]: Boogie Preprocessor took 26.45ms. Allocated memory is still 284.2MB. Free memory was 253.8MB in the beginning and 252.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-15 14:01:32,314 INFO L158 Benchmark]: RCFGBuilder took 418.48ms. Allocated memory is still 284.2MB. Free memory was 252.2MB in the beginning and 233.9MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-03-15 14:01:32,314 INFO L158 Benchmark]: TraceAbstraction took 741648.41ms. Allocated memory was 284.2MB in the beginning and 6.8GB in the end (delta: 6.5GB). Free memory was 233.3MB in the beginning and 3.5GB in the end (delta: -3.2GB). Peak memory consumption was 3.5GB. Max. memory is 8.0GB. [2022-03-15 14:01:32,314 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 191.9MB. Free memory is still 150.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 280.76ms. Allocated memory was 191.9MB in the beginning and 284.2MB in the end (delta: 92.3MB). Free memory was 133.5MB in the beginning and 255.9MB in the end (delta: -122.4MB). Peak memory consumption was 12.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 42.39ms. Allocated memory is still 284.2MB. Free memory was 255.9MB in the beginning and 253.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.45ms. Allocated memory is still 284.2MB. Free memory was 253.8MB in the beginning and 252.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 418.48ms. Allocated memory is still 284.2MB. Free memory was 252.2MB in the beginning and 233.9MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 741648.41ms. Allocated memory was 284.2MB in the beginning and 6.8GB in the end (delta: 6.5GB). Free memory was 233.3MB in the beginning and 3.5GB in the end (delta: -3.2GB). Peak memory consumption was 3.5GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 77]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 69]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 70]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing MinimizeSevpa. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 380 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 741.5s, OverallIterations: 218, TraceHistogramMax: 1, PathProgramHistogramMax: 194, EmptinessCheckTime: 6.9s, AutomataDifference: 560.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.4s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 387813 SdHoareTripleChecker+Valid, 303.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 387813 mSDsluCounter, 4563521 SdHoareTripleChecker+Invalid, 251.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4413557 mSDsCounter, 4022 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 960602 IncrementalHoareTripleChecker+Invalid, 964624 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4022 mSolverCounterUnsat, 211839 mSDtfsCounter, 960602 mSolverCounterSat, 6.9s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15443 GetRequests, 609 SyntacticMatches, 0 SemanticMatches, 14834 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212707 ImplicationChecksByTransitivity, 221.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26367occurred in iteration=2, InterpolantAutomatonStates: 11175, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 113.1s AutomataMinimizationTime, 218 MinimizatonAttempts, 3405162 StatesRemovedByMinimization, 216 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 56.8s InterpolantComputationTime, 43238 NumberOfCodeBlocks, 43238 NumberOfCodeBlocksAsserted, 218 NumberOfCheckSat, 43020 ConstructedInterpolants, 0 QuantifiedInterpolants, 218940 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 218 InterpolantComputations, 218 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown