/usr/bin/java -Xmx16000000000 -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-dev-bc79526 [2022-01-18 00:54:40,045 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 00:54:40,048 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 00:54:40,130 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-18 00:54:40,145 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-18 00:54:40,146 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-18 00:54:40,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-18 00:54:40,150 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-18 00:54:40,150 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-18 00:54:40,151 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-18 00:54:40,153 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-18 00:54:40,157 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-18 00:54:40,158 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-18 00:54:40,159 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-18 00:54:40,161 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-18 00:54:40,161 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-18 00:54:40,167 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-18 00:54:40,175 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 00:54:40,175 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 00:54:40,176 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 00:54:40,177 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 [2022-01-18 00:54:40,207 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 00:54:40,207 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 00:54:40,207 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-18 00:54:40,208 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-18 00:54:40,208 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 00:54:40,208 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 00:54:40,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 00:54:40,209 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 00:54:40,209 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 00:54:40,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 00:54:40,210 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 00:54:40,210 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 00:54:40,210 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 00:54:40,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 00:54:40,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 00:54:40,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 00:54:40,211 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 00:54:40,211 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 00:54:40,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 00:54:40,211 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 00:54:40,211 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 00:54:40,211 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 00:54:40,211 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 00:54:40,211 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 00:54:40,212 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 00:54:40,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 00:54:40,213 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 00:54:40,213 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 00:54:40,213 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 00:54:40,213 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 00:54:40,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 00:54:40,213 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 00:54:40,213 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-18 00:54:40,213 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 00:54:40,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 00:54:40,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 00:54:40,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 00:54:40,447 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 00:54:40,449 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 00:54:40,450 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-match-symm.wvr.c [2022-01-18 00:54:40,501 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0cc5a572/1af44525583b4ed89d544aa0a67c2aac/FLAG28db82821 [2022-01-18 00:54:40,895 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 00:54:40,896 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-match-symm.wvr.c [2022-01-18 00:54:40,901 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0cc5a572/1af44525583b4ed89d544aa0a67c2aac/FLAG28db82821 [2022-01-18 00:54:40,916 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0cc5a572/1af44525583b4ed89d544aa0a67c2aac [2022-01-18 00:54:40,921 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 00:54:40,923 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 00:54:40,926 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 00:54:40,926 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 00:54:40,928 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 00:54:40,929 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 12:54:40" (1/1) ... [2022-01-18 00:54:40,930 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@636341f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:54:40, skipping insertion in model container [2022-01-18 00:54:40,930 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 12:54:40" (1/1) ... [2022-01-18 00:54:40,936 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 00:54:40,954 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 00:54:41,152 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] [2022-01-18 00:54:41,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 00:54:41,170 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 00:54:41,204 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] [2022-01-18 00:54:41,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 00:54:41,217 INFO L208 MainTranslator]: Completed translation [2022-01-18 00:54:41,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:54:41 WrapperNode [2022-01-18 00:54:41,218 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 00:54:41,219 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 00:54:41,219 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 00:54:41,220 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 00:54:41,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:54:41" (1/1) ... [2022-01-18 00:54:41,240 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:54:41" (1/1) ... [2022-01-18 00:54:41,272 INFO L137 Inliner]: procedures = 22, calls = 27, calls flagged for inlining = 11, calls inlined = 17, statements flattened = 180 [2022-01-18 00:54:41,273 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 00:54:41,273 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 00:54:41,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 00:54:41,274 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 00:54:41,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:54:41" (1/1) ... [2022-01-18 00:54:41,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:54:41" (1/1) ... [2022-01-18 00:54:41,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:54:41" (1/1) ... [2022-01-18 00:54:41,294 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:54:41" (1/1) ... [2022-01-18 00:54:41,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:54:41" (1/1) ... [2022-01-18 00:54:41,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:54:41" (1/1) ... [2022-01-18 00:54:41,306 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:54:41" (1/1) ... [2022-01-18 00:54:41,308 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 00:54:41,309 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 00:54:41,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 00:54:41,309 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 00:54:41,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:54:41" (1/1) ... [2022-01-18 00:54:41,325 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 00:54:41,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 00:54:41,348 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) [2022-01-18 00:54:41,363 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 [2022-01-18 00:54:41,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-18 00:54:41,380 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-18 00:54:41,380 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-18 00:54:41,381 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-18 00:54:41,381 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-18 00:54:41,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-18 00:54:41,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 00:54:41,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 00:54:41,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 00:54:41,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 00:54:41,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-18 00:54:41,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 00:54:41,383 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 00:54:41,450 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 00:54:41,451 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 00:54:41,782 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 00:54:41,791 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 00:54:41,792 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-18 00:54:41,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 12:54:41 BoogieIcfgContainer [2022-01-18 00:54:41,794 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 00:54:41,801 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 00:54:41,801 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 00:54:41,804 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 00:54:41,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 12:54:40" (1/3) ... [2022-01-18 00:54:41,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23b1808c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 12:54:41, skipping insertion in model container [2022-01-18 00:54:41,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:54:41" (2/3) ... [2022-01-18 00:54:41,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23b1808c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 12:54:41, skipping insertion in model container [2022-01-18 00:54:41,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 12:54:41" (3/3) ... [2022-01-18 00:54:41,806 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-match-symm.wvr.c [2022-01-18 00:54:41,811 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-18 00:54:41,811 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 00:54:41,811 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-18 00:54:41,811 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 00:54:41,877 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,877 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,878 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,878 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,878 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,879 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,879 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,879 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,879 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,879 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,880 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,880 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,880 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,880 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,880 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,880 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,880 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,881 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,881 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,882 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,882 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,884 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,884 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,884 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,885 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,885 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,886 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,886 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,887 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,887 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,888 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,888 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,888 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,888 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,888 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,888 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,889 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,889 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,890 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,890 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,890 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,890 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,890 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,890 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,891 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,891 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,891 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,891 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,891 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,891 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,892 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,892 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,892 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,892 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,892 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,892 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,893 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,893 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,895 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,895 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,895 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,902 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,905 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,905 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,905 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,905 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,905 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,905 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,906 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,906 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,906 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,906 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,907 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,907 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,907 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,907 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,907 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,907 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,908 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,908 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,908 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,908 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,909 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,909 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,909 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,909 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,909 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,910 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,911 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,913 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,914 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,914 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,917 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,917 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,917 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,918 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,918 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,918 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,918 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,918 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,920 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,920 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,920 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,921 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,921 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,921 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,921 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,921 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,922 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,922 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,922 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,922 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,922 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,922 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,922 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,922 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,923 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,923 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,923 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,923 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,923 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,923 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,923 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,923 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,924 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,924 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,924 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,924 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,924 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,924 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,925 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,925 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,925 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,925 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,925 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,925 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,926 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,926 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,926 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,926 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,926 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,927 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,927 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,927 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,927 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,927 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,927 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,927 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,927 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,928 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,928 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,928 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,928 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,928 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,928 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,928 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,928 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,929 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,929 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,929 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,929 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,929 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,929 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,929 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,930 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,930 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,930 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,930 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,930 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,930 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,930 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,930 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,931 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,931 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,931 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,935 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,935 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,935 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,935 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,936 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,936 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,936 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,936 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,936 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,936 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,936 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,936 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,936 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,937 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,938 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,938 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,938 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,938 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,938 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,938 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,938 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,938 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,939 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,939 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,939 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,939 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,939 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,939 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,939 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,939 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,940 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,940 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,940 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,940 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,940 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,941 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,941 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,941 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,941 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,941 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,941 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,942 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,942 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,943 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,945 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,945 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,948 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,948 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,948 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,949 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,949 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,949 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,954 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,955 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,955 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,956 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,956 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,956 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,956 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,956 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,956 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,957 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,957 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,957 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,957 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,957 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,957 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,958 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,958 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,958 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,958 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,958 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,958 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,959 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,959 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,960 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,961 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,961 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,961 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,961 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,962 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,962 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,962 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,962 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,962 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,963 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,963 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,963 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,963 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,963 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,963 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,963 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,963 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,964 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,964 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,964 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,964 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,964 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,964 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,965 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,965 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,965 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,967 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,967 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,967 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,968 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,968 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,971 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,971 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,971 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,972 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,972 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,972 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,973 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,973 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,973 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,973 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,973 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,973 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,974 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,974 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,974 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,975 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,975 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,975 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,975 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,975 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,975 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,975 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,975 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,976 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,979 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,980 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,980 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,980 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,980 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,980 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,981 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,981 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,981 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,981 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,981 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,982 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,983 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,984 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,984 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,984 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,984 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,984 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,985 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,985 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,985 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,985 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,985 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,986 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,986 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,986 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,987 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,987 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,987 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,987 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,987 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,987 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,988 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,988 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,988 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,988 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,988 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,988 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,988 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,988 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,989 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,989 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,989 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,989 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,990 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,990 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,990 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,990 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,990 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,990 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,990 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,991 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,991 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,991 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,991 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,991 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,991 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,991 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,991 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,991 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,992 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,992 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,992 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,994 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,994 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,994 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,994 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,994 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,994 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,994 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,997 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,997 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,997 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,997 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,998 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,998 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,998 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,998 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,998 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,998 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,998 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,998 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,999 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,999 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,999 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,999 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:41,999 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:42,001 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:42,001 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:42,001 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:42,001 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:42,001 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:42,002 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:42,002 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:42,002 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:42,002 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:42,002 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:42,002 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:42,002 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:42,002 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:42,003 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:42,003 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:42,003 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:42,003 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:54:42,011 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-01-18 00:54:42,050 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 00:54:42,054 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, 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 [2022-01-18 00:54:42,054 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-18 00:54:42,066 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 240 places, 252 transitions, 520 flow [2022-01-18 00:54:42,690 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) [2022-01-18 00:54:42,748 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) [2022-01-18 00:54:42,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-01-18 00:54:42,868 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:54:42,869 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] [2022-01-18 00:54:42,870 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:54:42,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:54:42,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1046478131, now seen corresponding path program 1 times [2022-01-18 00:54:42,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:54:42,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263190172] [2022-01-18 00:54:42,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:54:42,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:54:43,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:54:43,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:54:43,317 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:54:43,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263190172] [2022-01-18 00:54:43,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263190172] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:54:43,318 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:54:43,318 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 00:54:43,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287777209] [2022-01-18 00:54:43,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:54:43,325 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 00:54:43,325 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:54:43,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 00:54:43,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 00:54:43,385 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) [2022-01-18 00:54:43,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:54:43,725 INFO L93 Difference]: Finished difference Result 26277 states and 72723 transitions. [2022-01-18 00:54:43,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 00:54:43,727 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 [2022-01-18 00:54:43,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:54:43,915 INFO L225 Difference]: With dead ends: 26277 [2022-01-18 00:54:43,915 INFO L226 Difference]: Without dead ends: 23711 [2022-01-18 00:54:43,917 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 [2022-01-18 00:54:43,922 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 [2022-01-18 00:54:43,923 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] [2022-01-18 00:54:44,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23711 states. [2022-01-18 00:54:44,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23711 to 22771. [2022-01-18 00:54:44,748 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) [2022-01-18 00:54:44,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22771 states to 22771 states and 63136 transitions. [2022-01-18 00:54:44,944 INFO L78 Accepts]: Start accepts. Automaton has 22771 states and 63136 transitions. Word has length 191 [2022-01-18 00:54:44,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:54:44,948 INFO L470 AbstractCegarLoop]: Abstraction has 22771 states and 63136 transitions. [2022-01-18 00:54:44,948 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) [2022-01-18 00:54:44,949 INFO L276 IsEmpty]: Start isEmpty. Operand 22771 states and 63136 transitions. [2022-01-18 00:54:45,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-01-18 00:54:45,015 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:54:45,015 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] [2022-01-18 00:54:45,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 00:54:45,016 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:54:45,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:54:45,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1705055825, now seen corresponding path program 2 times [2022-01-18 00:54:45,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:54:45,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887047409] [2022-01-18 00:54:45,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:54:45,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:54:45,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:54:45,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:54:45,168 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:54:45,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887047409] [2022-01-18 00:54:45,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887047409] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:54:45,168 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:54:45,168 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 00:54:45,169 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268580509] [2022-01-18 00:54:45,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:54:45,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 00:54:45,170 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:54:45,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 00:54:45,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 00:54:45,171 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) [2022-01-18 00:54:45,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:54:45,426 INFO L93 Difference]: Finished difference Result 27236 states and 74778 transitions. [2022-01-18 00:54:45,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 00:54:45,426 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 [2022-01-18 00:54:45,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:54:45,517 INFO L225 Difference]: With dead ends: 27236 [2022-01-18 00:54:45,517 INFO L226 Difference]: Without dead ends: 27236 [2022-01-18 00:54:45,518 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 [2022-01-18 00:54:45,519 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 [2022-01-18 00:54:45,520 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] [2022-01-18 00:54:45,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27236 states. [2022-01-18 00:54:46,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27236 to 26367. [2022-01-18 00:54:46,165 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) [2022-01-18 00:54:46,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26367 states to 26367 states and 72450 transitions. [2022-01-18 00:54:46,238 INFO L78 Accepts]: Start accepts. Automaton has 26367 states and 72450 transitions. Word has length 191 [2022-01-18 00:54:46,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:54:46,241 INFO L470 AbstractCegarLoop]: Abstraction has 26367 states and 72450 transitions. [2022-01-18 00:54:46,242 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) [2022-01-18 00:54:46,242 INFO L276 IsEmpty]: Start isEmpty. Operand 26367 states and 72450 transitions. [2022-01-18 00:54:46,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-18 00:54:46,335 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:54:46,335 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] [2022-01-18 00:54:46,336 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-18 00:54:46,336 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:54:46,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:54:46,337 INFO L85 PathProgramCache]: Analyzing trace with hash 91385591, now seen corresponding path program 1 times [2022-01-18 00:54:46,338 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:54:46,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770498581] [2022-01-18 00:54:46,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:54:46,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:54:46,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:54:46,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:54:46,616 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:54:46,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770498581] [2022-01-18 00:54:46,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770498581] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:54:46,616 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:54:46,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 00:54:46,617 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543688475] [2022-01-18 00:54:46,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:54:46,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 00:54:46,617 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:54:46,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 00:54:46,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-01-18 00:54:46,618 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) [2022-01-18 00:54:47,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:54:47,062 INFO L93 Difference]: Finished difference Result 27268 states and 74722 transitions. [2022-01-18 00:54:47,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 00:54:47,063 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 [2022-01-18 00:54:47,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:54:47,120 INFO L225 Difference]: With dead ends: 27268 [2022-01-18 00:54:47,120 INFO L226 Difference]: Without dead ends: 25360 [2022-01-18 00:54:47,120 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2022-01-18 00:54:47,121 INFO L933 BasicCegarLoop]: 393 mSDtfsCounter, 306 mSDsluCounter, 1379 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 1737 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 00:54:47,122 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [306 Valid, 1737 Invalid, 113 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 00:54:47,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25360 states. [2022-01-18 00:54:47,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25360 to 24779. [2022-01-18 00:54:47,901 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) [2022-01-18 00:54:47,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24779 states to 24779 states and 68223 transitions. [2022-01-18 00:54:47,983 INFO L78 Accepts]: Start accepts. Automaton has 24779 states and 68223 transitions. Word has length 193 [2022-01-18 00:54:47,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:54:47,983 INFO L470 AbstractCegarLoop]: Abstraction has 24779 states and 68223 transitions. [2022-01-18 00:54:47,984 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) [2022-01-18 00:54:47,984 INFO L276 IsEmpty]: Start isEmpty. Operand 24779 states and 68223 transitions. [2022-01-18 00:54:48,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-18 00:54:48,032 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:54:48,033 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] [2022-01-18 00:54:48,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-18 00:54:48,033 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:54:48,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:54:48,034 INFO L85 PathProgramCache]: Analyzing trace with hash 220120295, now seen corresponding path program 2 times [2022-01-18 00:54:48,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:54:48,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251752187] [2022-01-18 00:54:48,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:54:48,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:54:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:54:48,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:54:48,221 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:54:48,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251752187] [2022-01-18 00:54:48,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251752187] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:54:48,222 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:54:48,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 00:54:48,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295364345] [2022-01-18 00:54:48,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:54:48,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 00:54:48,222 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:54:48,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 00:54:48,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-01-18 00:54:48,224 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) [2022-01-18 00:54:48,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:54:48,645 INFO L93 Difference]: Finished difference Result 25301 states and 69550 transitions. [2022-01-18 00:54:48,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 00:54:48,645 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 [2022-01-18 00:54:48,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:54:48,696 INFO L225 Difference]: With dead ends: 25301 [2022-01-18 00:54:48,696 INFO L226 Difference]: Without dead ends: 25016 [2022-01-18 00:54:48,696 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2022-01-18 00:54:48,704 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 [2022-01-18 00:54:48,705 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] [2022-01-18 00:54:48,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25016 states. [2022-01-18 00:54:49,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25016 to 24783. [2022-01-18 00:54:49,184 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) [2022-01-18 00:54:49,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24783 states to 24783 states and 68230 transitions. [2022-01-18 00:54:49,250 INFO L78 Accepts]: Start accepts. Automaton has 24783 states and 68230 transitions. Word has length 193 [2022-01-18 00:54:49,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:54:49,250 INFO L470 AbstractCegarLoop]: Abstraction has 24783 states and 68230 transitions. [2022-01-18 00:54:49,250 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) [2022-01-18 00:54:49,251 INFO L276 IsEmpty]: Start isEmpty. Operand 24783 states and 68230 transitions. [2022-01-18 00:54:49,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-18 00:54:49,299 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:54:49,300 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] [2022-01-18 00:54:49,300 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-18 00:54:49,300 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:54:49,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:54:49,300 INFO L85 PathProgramCache]: Analyzing trace with hash 632035177, now seen corresponding path program 3 times [2022-01-18 00:54:49,300 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:54:49,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593120245] [2022-01-18 00:54:49,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:54:49,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:54:49,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:54:49,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:54:49,550 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:54:49,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593120245] [2022-01-18 00:54:49,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593120245] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:54:49,550 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:54:49,550 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 00:54:49,550 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476330321] [2022-01-18 00:54:49,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:54:49,551 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 00:54:49,551 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:54:49,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 00:54:49,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-01-18 00:54:49,551 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) [2022-01-18 00:54:49,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:54:49,849 INFO L93 Difference]: Finished difference Result 25198 states and 69286 transitions. [2022-01-18 00:54:49,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-18 00:54:49,849 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 [2022-01-18 00:54:49,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:54:49,906 INFO L225 Difference]: With dead ends: 25198 [2022-01-18 00:54:49,906 INFO L226 Difference]: Without dead ends: 24947 [2022-01-18 00:54:49,906 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2022-01-18 00:54:49,907 INFO L933 BasicCegarLoop]: 315 mSDtfsCounter, 99 mSDsluCounter, 1617 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2022-01-18 00:54:49,907 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] [2022-01-18 00:54:49,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24947 states. [2022-01-18 00:54:50,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24947 to 24787. [2022-01-18 00:54:50,431 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) [2022-01-18 00:54:50,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24787 states to 24787 states and 68237 transitions. [2022-01-18 00:54:50,691 INFO L78 Accepts]: Start accepts. Automaton has 24787 states and 68237 transitions. Word has length 193 [2022-01-18 00:54:50,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:54:50,692 INFO L470 AbstractCegarLoop]: Abstraction has 24787 states and 68237 transitions. [2022-01-18 00:54:50,692 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) [2022-01-18 00:54:50,692 INFO L276 IsEmpty]: Start isEmpty. Operand 24787 states and 68237 transitions. [2022-01-18 00:54:50,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-18 00:54:50,744 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:54:50,744 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] [2022-01-18 00:54:50,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-18 00:54:50,744 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:54:50,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:54:50,745 INFO L85 PathProgramCache]: Analyzing trace with hash 771229479, now seen corresponding path program 4 times [2022-01-18 00:54:50,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:54:50,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028744472] [2022-01-18 00:54:50,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:54:50,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:54:50,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:54:50,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:54:50,921 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:54:50,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028744472] [2022-01-18 00:54:50,921 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028744472] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:54:50,922 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:54:50,922 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 00:54:50,922 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751133626] [2022-01-18 00:54:50,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:54:50,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 00:54:50,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:54:50,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 00:54:50,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-01-18 00:54:50,923 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) [2022-01-18 00:54:51,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:54:51,179 INFO L93 Difference]: Finished difference Result 25169 states and 69204 transitions. [2022-01-18 00:54:51,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-18 00:54:51,179 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 [2022-01-18 00:54:51,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:54:51,241 INFO L225 Difference]: With dead ends: 25169 [2022-01-18 00:54:51,241 INFO L226 Difference]: Without dead ends: 24697 [2022-01-18 00:54:51,241 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 [2022-01-18 00:54:51,242 INFO L933 BasicCegarLoop]: 323 mSDtfsCounter, 95 mSDsluCounter, 1515 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 1811 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 00:54:51,243 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [95 Valid, 1811 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 00:54:51,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24697 states. [2022-01-18 00:54:51,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24697 to 24569. [2022-01-18 00:54:51,767 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) [2022-01-18 00:54:51,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24569 states to 24569 states and 67650 transitions. [2022-01-18 00:54:51,815 INFO L78 Accepts]: Start accepts. Automaton has 24569 states and 67650 transitions. Word has length 193 [2022-01-18 00:54:51,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:54:51,815 INFO L470 AbstractCegarLoop]: Abstraction has 24569 states and 67650 transitions. [2022-01-18 00:54:51,815 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) [2022-01-18 00:54:51,815 INFO L276 IsEmpty]: Start isEmpty. Operand 24569 states and 67650 transitions. [2022-01-18 00:54:51,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-18 00:54:51,848 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:54:51,848 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] [2022-01-18 00:54:51,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-18 00:54:51,849 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:54:51,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:54:51,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1404106581, now seen corresponding path program 5 times [2022-01-18 00:54:51,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:54:51,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19657012] [2022-01-18 00:54:51,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:54:51,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:54:51,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:54:51,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:54:51,988 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:54:51,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19657012] [2022-01-18 00:54:51,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19657012] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:54:51,988 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:54:51,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 00:54:51,988 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141020307] [2022-01-18 00:54:51,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:54:51,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 00:54:51,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:54:51,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 00:54:51,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-01-18 00:54:51,989 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) [2022-01-18 00:54:52,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:54:52,291 INFO L93 Difference]: Finished difference Result 25247 states and 69405 transitions. [2022-01-18 00:54:52,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-18 00:54:52,291 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 [2022-01-18 00:54:52,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:54:52,350 INFO L225 Difference]: With dead ends: 25247 [2022-01-18 00:54:52,350 INFO L226 Difference]: Without dead ends: 24962 [2022-01-18 00:54:52,350 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 [2022-01-18 00:54:52,351 INFO L933 BasicCegarLoop]: 324 mSDtfsCounter, 157 mSDsluCounter, 1656 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 1947 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 00:54:52,352 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [157 Valid, 1947 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 00:54:52,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24962 states. [2022-01-18 00:54:52,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24962 to 24577. [2022-01-18 00:54:52,884 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) [2022-01-18 00:54:52,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24577 states to 24577 states and 67668 transitions. [2022-01-18 00:54:52,932 INFO L78 Accepts]: Start accepts. Automaton has 24577 states and 67668 transitions. Word has length 193 [2022-01-18 00:54:52,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:54:52,933 INFO L470 AbstractCegarLoop]: Abstraction has 24577 states and 67668 transitions. [2022-01-18 00:54:52,933 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) [2022-01-18 00:54:52,933 INFO L276 IsEmpty]: Start isEmpty. Operand 24577 states and 67668 transitions. [2022-01-18 00:54:52,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-18 00:54:52,966 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:54:52,966 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] [2022-01-18 00:54:52,966 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-18 00:54:52,966 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:54:52,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:54:52,966 INFO L85 PathProgramCache]: Analyzing trace with hash -992191699, now seen corresponding path program 6 times [2022-01-18 00:54:52,967 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:54:52,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786860191] [2022-01-18 00:54:52,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:54:52,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:54:52,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:54:53,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:54:53,094 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:54:53,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786860191] [2022-01-18 00:54:53,095 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786860191] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:54:53,095 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:54:53,095 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 00:54:53,095 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001942269] [2022-01-18 00:54:53,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:54:53,095 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 00:54:53,095 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:54:53,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 00:54:53,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-01-18 00:54:53,096 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) [2022-01-18 00:54:53,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:54:53,392 INFO L93 Difference]: Finished difference Result 25168 states and 69207 transitions. [2022-01-18 00:54:53,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-18 00:54:53,393 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 [2022-01-18 00:54:53,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:54:53,459 INFO L225 Difference]: With dead ends: 25168 [2022-01-18 00:54:53,459 INFO L226 Difference]: Without dead ends: 24917 [2022-01-18 00:54:53,459 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 [2022-01-18 00:54:53,460 INFO L933 BasicCegarLoop]: 319 mSDtfsCounter, 133 mSDsluCounter, 1561 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2022-01-18 00:54:53,461 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] [2022-01-18 00:54:53,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24917 states. [2022-01-18 00:54:54,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24917 to 24581. [2022-01-18 00:54:54,116 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) [2022-01-18 00:54:54,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24581 states to 24581 states and 67675 transitions. [2022-01-18 00:54:54,196 INFO L78 Accepts]: Start accepts. Automaton has 24581 states and 67675 transitions. Word has length 193 [2022-01-18 00:54:54,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:54:54,196 INFO L470 AbstractCegarLoop]: Abstraction has 24581 states and 67675 transitions. [2022-01-18 00:54:54,196 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) [2022-01-18 00:54:54,197 INFO L276 IsEmpty]: Start isEmpty. Operand 24581 states and 67675 transitions. [2022-01-18 00:54:54,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-18 00:54:54,243 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:54:54,244 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] [2022-01-18 00:54:54,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-18 00:54:54,244 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:54:54,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:54:54,244 INFO L85 PathProgramCache]: Analyzing trace with hash -852997397, now seen corresponding path program 7 times [2022-01-18 00:54:54,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:54:54,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110429326] [2022-01-18 00:54:54,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:54:54,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:54:54,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:54:54,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:54:54,404 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:54:54,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110429326] [2022-01-18 00:54:54,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110429326] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:54:54,404 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:54:54,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 00:54:54,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389747446] [2022-01-18 00:54:54,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:54:54,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 00:54:54,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:54:54,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 00:54:54,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-01-18 00:54:54,406 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) [2022-01-18 00:54:54,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:54:54,754 INFO L93 Difference]: Finished difference Result 25139 states and 69125 transitions. [2022-01-18 00:54:54,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-18 00:54:54,754 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 [2022-01-18 00:54:54,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:54:54,802 INFO L225 Difference]: With dead ends: 25139 [2022-01-18 00:54:54,802 INFO L226 Difference]: Without dead ends: 24877 [2022-01-18 00:54:54,802 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 [2022-01-18 00:54:54,803 INFO L933 BasicCegarLoop]: 316 mSDtfsCounter, 138 mSDsluCounter, 1549 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 1837 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 [2022-01-18 00:54:54,803 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 1837 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 00:54:54,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24877 states. [2022-01-18 00:54:55,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24877 to 24573. [2022-01-18 00:54:55,280 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) [2022-01-18 00:54:55,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24573 states to 24573 states and 67657 transitions. [2022-01-18 00:54:55,324 INFO L78 Accepts]: Start accepts. Automaton has 24573 states and 67657 transitions. Word has length 193 [2022-01-18 00:54:55,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:54:55,324 INFO L470 AbstractCegarLoop]: Abstraction has 24573 states and 67657 transitions. [2022-01-18 00:54:55,324 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) [2022-01-18 00:54:55,324 INFO L276 IsEmpty]: Start isEmpty. Operand 24573 states and 67657 transitions. [2022-01-18 00:54:55,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-18 00:54:55,353 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:54:55,353 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] [2022-01-18 00:54:55,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-18 00:54:55,353 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:54:55,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:54:55,354 INFO L85 PathProgramCache]: Analyzing trace with hash 280309727, now seen corresponding path program 8 times [2022-01-18 00:54:55,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:54:55,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891979878] [2022-01-18 00:54:55,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:54:55,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:54:55,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:54:55,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:54:55,479 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:54:55,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891979878] [2022-01-18 00:54:55,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891979878] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:54:55,479 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:54:55,480 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 00:54:55,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704156694] [2022-01-18 00:54:55,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:54:55,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 00:54:55,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:54:55,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 00:54:55,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-01-18 00:54:55,481 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) [2022-01-18 00:54:55,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:54:55,783 INFO L93 Difference]: Finished difference Result 25148 states and 69152 transitions. [2022-01-18 00:54:55,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 00:54:55,783 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 [2022-01-18 00:54:55,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:54:55,830 INFO L225 Difference]: With dead ends: 25148 [2022-01-18 00:54:55,831 INFO L226 Difference]: Without dead ends: 24897 [2022-01-18 00:54:55,831 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 [2022-01-18 00:54:55,831 INFO L933 BasicCegarLoop]: 378 mSDtfsCounter, 221 mSDsluCounter, 2088 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 2434 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 [2022-01-18 00:54:55,832 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [221 Valid, 2434 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 00:54:55,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24897 states. [2022-01-18 00:54:56,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24897 to 24581. [2022-01-18 00:54:56,376 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) [2022-01-18 00:54:56,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24581 states to 24581 states and 67675 transitions. [2022-01-18 00:54:56,421 INFO L78 Accepts]: Start accepts. Automaton has 24581 states and 67675 transitions. Word has length 193 [2022-01-18 00:54:56,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:54:56,421 INFO L470 AbstractCegarLoop]: Abstraction has 24581 states and 67675 transitions. [2022-01-18 00:54:56,421 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) [2022-01-18 00:54:56,422 INFO L276 IsEmpty]: Start isEmpty. Operand 24581 states and 67675 transitions. [2022-01-18 00:54:56,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-18 00:54:56,461 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:54:56,461 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] [2022-01-18 00:54:56,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-18 00:54:56,461 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:54:56,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:54:56,462 INFO L85 PathProgramCache]: Analyzing trace with hash 419504029, now seen corresponding path program 9 times [2022-01-18 00:54:56,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:54:56,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410989569] [2022-01-18 00:54:56,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:54:56,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:54:56,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:54:56,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:54:56,569 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:54:56,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410989569] [2022-01-18 00:54:56,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410989569] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:54:56,569 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:54:56,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 00:54:56,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310372223] [2022-01-18 00:54:56,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:54:56,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 00:54:56,570 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:54:56,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 00:54:56,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-01-18 00:54:56,571 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) [2022-01-18 00:54:56,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:54:56,838 INFO L93 Difference]: Finished difference Result 25146 states and 69138 transitions. [2022-01-18 00:54:56,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-18 00:54:56,839 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 [2022-01-18 00:54:56,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:54:56,893 INFO L225 Difference]: With dead ends: 25146 [2022-01-18 00:54:56,893 INFO L226 Difference]: Without dead ends: 24888 [2022-01-18 00:54:56,894 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 [2022-01-18 00:54:56,894 INFO L933 BasicCegarLoop]: 373 mSDtfsCounter, 216 mSDsluCounter, 2054 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2022-01-18 00:54:56,894 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] [2022-01-18 00:54:56,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24888 states. [2022-01-18 00:54:57,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24888 to 24577. [2022-01-18 00:54:57,386 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) [2022-01-18 00:54:57,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24577 states to 24577 states and 67664 transitions. [2022-01-18 00:54:57,432 INFO L78 Accepts]: Start accepts. Automaton has 24577 states and 67664 transitions. Word has length 193 [2022-01-18 00:54:57,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:54:57,432 INFO L470 AbstractCegarLoop]: Abstraction has 24577 states and 67664 transitions. [2022-01-18 00:54:57,432 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) [2022-01-18 00:54:57,432 INFO L276 IsEmpty]: Start isEmpty. Operand 24577 states and 67664 transitions. [2022-01-18 00:54:57,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-18 00:54:57,463 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:54:57,463 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] [2022-01-18 00:54:57,464 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-18 00:54:57,464 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:54:57,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:54:57,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1183725507, now seen corresponding path program 10 times [2022-01-18 00:54:57,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:54:57,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045796754] [2022-01-18 00:54:57,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:54:57,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:54:57,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:54:57,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:54:57,557 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:54:57,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045796754] [2022-01-18 00:54:57,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045796754] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:54:57,558 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:54:57,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 00:54:57,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390302773] [2022-01-18 00:54:57,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:54:57,558 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 00:54:57,558 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:54:57,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 00:54:57,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-01-18 00:54:57,559 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) [2022-01-18 00:54:57,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:54:57,837 INFO L93 Difference]: Finished difference Result 25480 states and 69966 transitions. [2022-01-18 00:54:57,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-18 00:54:57,837 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 [2022-01-18 00:54:57,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:54:57,876 INFO L225 Difference]: With dead ends: 25480 [2022-01-18 00:54:57,876 INFO L226 Difference]: Without dead ends: 23023 [2022-01-18 00:54:57,876 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420 [2022-01-18 00:54:57,877 INFO L933 BasicCegarLoop]: 447 mSDtfsCounter, 505 mSDsluCounter, 2494 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 505 SdHoareTripleChecker+Valid, 2907 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 00:54:57,877 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [505 Valid, 2907 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 00:54:57,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23023 states. [2022-01-18 00:54:58,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23023 to 22399. [2022-01-18 00:54:58,357 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) [2022-01-18 00:54:58,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22399 states to 22399 states and 61691 transitions. [2022-01-18 00:54:58,400 INFO L78 Accepts]: Start accepts. Automaton has 22399 states and 61691 transitions. Word has length 193 [2022-01-18 00:54:58,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:54:58,401 INFO L470 AbstractCegarLoop]: Abstraction has 22399 states and 61691 transitions. [2022-01-18 00:54:58,401 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) [2022-01-18 00:54:58,401 INFO L276 IsEmpty]: Start isEmpty. Operand 22399 states and 61691 transitions. [2022-01-18 00:54:58,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-18 00:54:58,428 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:54:58,429 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] [2022-01-18 00:54:58,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-18 00:54:58,429 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:54:58,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:54:58,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1030717563, now seen corresponding path program 1 times [2022-01-18 00:54:58,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:54:58,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996475855] [2022-01-18 00:54:58,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:54:58,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:54:58,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:54:58,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:54:58,546 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:54:58,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996475855] [2022-01-18 00:54:58,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996475855] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:54:58,547 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:54:58,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 00:54:58,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387784997] [2022-01-18 00:54:58,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:54:58,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 00:54:58,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:54:58,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 00:54:58,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-01-18 00:54:58,548 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) [2022-01-18 00:54:58,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:54:58,807 INFO L93 Difference]: Finished difference Result 23273 states and 63897 transitions. [2022-01-18 00:54:58,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 00:54:58,807 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 [2022-01-18 00:54:58,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:54:58,848 INFO L225 Difference]: With dead ends: 23273 [2022-01-18 00:54:58,848 INFO L226 Difference]: Without dead ends: 21560 [2022-01-18 00:54:58,849 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 [2022-01-18 00:54:58,849 INFO L933 BasicCegarLoop]: 381 mSDtfsCounter, 343 mSDsluCounter, 1231 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 1589 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 00:54:58,849 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [343 Valid, 1589 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 00:54:58,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21560 states. [2022-01-18 00:54:59,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21560 to 21003. [2022-01-18 00:54:59,163 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) [2022-01-18 00:54:59,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21003 states to 21003 states and 57848 transitions. [2022-01-18 00:54:59,204 INFO L78 Accepts]: Start accepts. Automaton has 21003 states and 57848 transitions. Word has length 193 [2022-01-18 00:54:59,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:54:59,204 INFO L470 AbstractCegarLoop]: Abstraction has 21003 states and 57848 transitions. [2022-01-18 00:54:59,205 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) [2022-01-18 00:54:59,205 INFO L276 IsEmpty]: Start isEmpty. Operand 21003 states and 57848 transitions. [2022-01-18 00:54:59,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-18 00:54:59,379 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:54:59,379 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] [2022-01-18 00:54:59,379 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-18 00:54:59,380 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:54:59,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:54:59,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1690865081, now seen corresponding path program 2 times [2022-01-18 00:54:59,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:54:59,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485299600] [2022-01-18 00:54:59,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:54:59,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:54:59,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:54:59,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:54:59,502 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:54:59,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485299600] [2022-01-18 00:54:59,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485299600] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:54:59,502 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:54:59,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 00:54:59,503 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885849537] [2022-01-18 00:54:59,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:54:59,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 00:54:59,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:54:59,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 00:54:59,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-01-18 00:54:59,504 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) [2022-01-18 00:54:59,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:54:59,770 INFO L93 Difference]: Finished difference Result 21522 states and 59163 transitions. [2022-01-18 00:54:59,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 00:54:59,770 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 [2022-01-18 00:54:59,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:54:59,813 INFO L225 Difference]: With dead ends: 21522 [2022-01-18 00:54:59,814 INFO L226 Difference]: Without dead ends: 21237 [2022-01-18 00:54:59,814 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 [2022-01-18 00:54:59,814 INFO L933 BasicCegarLoop]: 323 mSDtfsCounter, 141 mSDsluCounter, 2106 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 2394 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 00:54:59,815 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 2394 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 00:54:59,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21237 states. [2022-01-18 00:55:00,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21237 to 21007. [2022-01-18 00:55:00,081 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) [2022-01-18 00:55:00,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21007 states to 21007 states and 57855 transitions. [2022-01-18 00:55:00,118 INFO L78 Accepts]: Start accepts. Automaton has 21007 states and 57855 transitions. Word has length 193 [2022-01-18 00:55:00,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:55:00,118 INFO L470 AbstractCegarLoop]: Abstraction has 21007 states and 57855 transitions. [2022-01-18 00:55:00,118 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) [2022-01-18 00:55:00,118 INFO L276 IsEmpty]: Start isEmpty. Operand 21007 states and 57855 transitions. [2022-01-18 00:55:00,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-18 00:55:00,142 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:55:00,143 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] [2022-01-18 00:55:00,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-18 00:55:00,143 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:55:00,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:55:00,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1239264329, now seen corresponding path program 3 times [2022-01-18 00:55:00,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:55:00,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916436107] [2022-01-18 00:55:00,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:55:00,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:55:00,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:55:00,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:55:00,249 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:55:00,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916436107] [2022-01-18 00:55:00,249 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916436107] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:55:00,249 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:55:00,249 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 00:55:00,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102052688] [2022-01-18 00:55:00,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:55:00,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 00:55:00,250 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:55:00,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 00:55:00,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-01-18 00:55:00,251 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) [2022-01-18 00:55:00,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:55:00,474 INFO L93 Difference]: Finished difference Result 21442 states and 58951 transitions. [2022-01-18 00:55:00,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-18 00:55:00,474 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 [2022-01-18 00:55:00,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:55:00,518 INFO L225 Difference]: With dead ends: 21442 [2022-01-18 00:55:00,518 INFO L226 Difference]: Without dead ends: 21185 [2022-01-18 00:55:00,519 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 [2022-01-18 00:55:00,519 INFO L933 BasicCegarLoop]: 316 mSDtfsCounter, 120 mSDsluCounter, 1629 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 1915 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 [2022-01-18 00:55:00,519 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 1915 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 00:55:00,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21185 states. [2022-01-18 00:55:00,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21185 to 21011. [2022-01-18 00:55:00,896 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) [2022-01-18 00:55:00,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21011 states to 21011 states and 57862 transitions. [2022-01-18 00:55:00,932 INFO L78 Accepts]: Start accepts. Automaton has 21011 states and 57862 transitions. Word has length 193 [2022-01-18 00:55:00,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:55:00,933 INFO L470 AbstractCegarLoop]: Abstraction has 21011 states and 57862 transitions. [2022-01-18 00:55:00,933 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) [2022-01-18 00:55:00,933 INFO L276 IsEmpty]: Start isEmpty. Operand 21011 states and 57862 transitions. [2022-01-18 00:55:00,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-18 00:55:00,967 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:55:00,967 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] [2022-01-18 00:55:00,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-01-18 00:55:00,967 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:55:00,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:55:00,967 INFO L85 PathProgramCache]: Analyzing trace with hash 1378458631, now seen corresponding path program 4 times [2022-01-18 00:55:00,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:55:00,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901108170] [2022-01-18 00:55:00,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:55:00,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:55:00,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:55:01,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:55:01,070 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:55:01,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901108170] [2022-01-18 00:55:01,070 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901108170] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:55:01,070 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:55:01,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 00:55:01,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229811301] [2022-01-18 00:55:01,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:55:01,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 00:55:01,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:55:01,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 00:55:01,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-01-18 00:55:01,071 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) [2022-01-18 00:55:01,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:55:01,280 INFO L93 Difference]: Finished difference Result 21405 states and 58847 transitions. [2022-01-18 00:55:01,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-18 00:55:01,281 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 [2022-01-18 00:55:01,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:55:01,315 INFO L225 Difference]: With dead ends: 21405 [2022-01-18 00:55:01,316 INFO L226 Difference]: Without dead ends: 20933 [2022-01-18 00:55:01,316 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 [2022-01-18 00:55:01,316 INFO L933 BasicCegarLoop]: 310 mSDtfsCounter, 128 mSDsluCounter, 1383 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 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 [2022-01-18 00:55:01,317 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 1667 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 00:55:01,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20933 states. [2022-01-18 00:55:01,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20933 to 20799. [2022-01-18 00:55:01,570 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) [2022-01-18 00:55:01,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20799 states to 20799 states and 57287 transitions. [2022-01-18 00:55:01,777 INFO L78 Accepts]: Start accepts. Automaton has 20799 states and 57287 transitions. Word has length 193 [2022-01-18 00:55:01,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:55:01,777 INFO L470 AbstractCegarLoop]: Abstraction has 20799 states and 57287 transitions. [2022-01-18 00:55:01,777 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) [2022-01-18 00:55:01,777 INFO L276 IsEmpty]: Start isEmpty. Operand 20799 states and 57287 transitions. [2022-01-18 00:55:01,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-18 00:55:01,802 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:55:01,802 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] [2022-01-18 00:55:01,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-01-18 00:55:01,803 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:55:01,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:55:01,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1297262731, now seen corresponding path program 5 times [2022-01-18 00:55:01,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:55:01,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649339098] [2022-01-18 00:55:01,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:55:01,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:55:01,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:55:01,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:55:01,901 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:55:01,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649339098] [2022-01-18 00:55:01,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649339098] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:55:01,902 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:55:01,902 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 00:55:01,902 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440331658] [2022-01-18 00:55:01,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:55:01,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 00:55:01,903 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:55:01,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 00:55:01,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-01-18 00:55:01,903 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) [2022-01-18 00:55:02,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:55:02,187 INFO L93 Difference]: Finished difference Result 21743 states and 59677 transitions. [2022-01-18 00:55:02,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-18 00:55:02,187 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 [2022-01-18 00:55:02,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:55:02,219 INFO L225 Difference]: With dead ends: 21743 [2022-01-18 00:55:02,220 INFO L226 Difference]: Without dead ends: 19891 [2022-01-18 00:55:02,220 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420 [2022-01-18 00:55:02,220 INFO L933 BasicCegarLoop]: 458 mSDtfsCounter, 497 mSDsluCounter, 2858 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 497 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 [2022-01-18 00:55:02,221 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [497 Valid, 3267 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 00:55:02,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19891 states. [2022-01-18 00:55:02,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19891 to 19246. [2022-01-18 00:55:02,471 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) [2022-01-18 00:55:02,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19246 states to 19246 states and 53154 transitions. [2022-01-18 00:55:02,505 INFO L78 Accepts]: Start accepts. Automaton has 19246 states and 53154 transitions. Word has length 193 [2022-01-18 00:55:02,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:55:02,506 INFO L470 AbstractCegarLoop]: Abstraction has 19246 states and 53154 transitions. [2022-01-18 00:55:02,506 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) [2022-01-18 00:55:02,506 INFO L276 IsEmpty]: Start isEmpty. Operand 19246 states and 53154 transitions. [2022-01-18 00:55:02,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-18 00:55:02,528 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:55:02,528 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] [2022-01-18 00:55:02,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-01-18 00:55:02,528 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:55:02,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:55:02,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1976717757, now seen corresponding path program 6 times [2022-01-18 00:55:02,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:55:02,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207419947] [2022-01-18 00:55:02,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:55:02,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:55:02,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:55:02,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:55:02,622 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:55:02,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207419947] [2022-01-18 00:55:02,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207419947] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:55:02,622 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:55:02,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 00:55:02,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19461010] [2022-01-18 00:55:02,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:55:02,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 00:55:02,622 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:55:02,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 00:55:02,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-01-18 00:55:02,623 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) [2022-01-18 00:55:02,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:55:02,847 INFO L93 Difference]: Finished difference Result 19795 states and 54576 transitions. [2022-01-18 00:55:02,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-18 00:55:02,847 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 [2022-01-18 00:55:02,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:55:02,882 INFO L225 Difference]: With dead ends: 19795 [2022-01-18 00:55:02,882 INFO L226 Difference]: Without dead ends: 19538 [2022-01-18 00:55:02,883 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2022-01-18 00:55:02,883 INFO L933 BasicCegarLoop]: 388 mSDtfsCounter, 194 mSDsluCounter, 2138 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 2491 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 00:55:02,883 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [194 Valid, 2491 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 00:55:02,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19538 states. [2022-01-18 00:55:03,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19538 to 19250. [2022-01-18 00:55:03,318 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) [2022-01-18 00:55:03,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19250 states to 19250 states and 53161 transitions. [2022-01-18 00:55:03,355 INFO L78 Accepts]: Start accepts. Automaton has 19250 states and 53161 transitions. Word has length 193 [2022-01-18 00:55:03,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:55:03,356 INFO L470 AbstractCegarLoop]: Abstraction has 19250 states and 53161 transitions. [2022-01-18 00:55:03,356 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) [2022-01-18 00:55:03,356 INFO L276 IsEmpty]: Start isEmpty. Operand 19250 states and 53161 transitions. [2022-01-18 00:55:03,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-18 00:55:03,379 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:55:03,380 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] [2022-01-18 00:55:03,380 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-01-18 00:55:03,380 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:55:03,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:55:03,380 INFO L85 PathProgramCache]: Analyzing trace with hash 2115912059, now seen corresponding path program 7 times [2022-01-18 00:55:03,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:55:03,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976600170] [2022-01-18 00:55:03,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:55:03,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:55:03,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:55:03,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:55:03,496 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:55:03,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976600170] [2022-01-18 00:55:03,497 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976600170] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:55:03,497 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:55:03,497 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 00:55:03,497 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267336061] [2022-01-18 00:55:03,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:55:03,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 00:55:03,498 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:55:03,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 00:55:03,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-01-18 00:55:03,499 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) [2022-01-18 00:55:03,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:55:03,775 INFO L93 Difference]: Finished difference Result 19766 states and 54494 transitions. [2022-01-18 00:55:03,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 00:55:03,775 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 [2022-01-18 00:55:03,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:55:03,808 INFO L225 Difference]: With dead ends: 19766 [2022-01-18 00:55:03,809 INFO L226 Difference]: Without dead ends: 19296 [2022-01-18 00:55:03,809 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 [2022-01-18 00:55:03,809 INFO L933 BasicCegarLoop]: 396 mSDtfsCounter, 206 mSDsluCounter, 2171 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 2529 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 [2022-01-18 00:55:03,810 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [206 Valid, 2529 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 00:55:03,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19296 states. [2022-01-18 00:55:04,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19296 to 19040. [2022-01-18 00:55:04,093 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) [2022-01-18 00:55:04,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19040 states to 19040 states and 52592 transitions. [2022-01-18 00:55:04,129 INFO L78 Accepts]: Start accepts. Automaton has 19040 states and 52592 transitions. Word has length 193 [2022-01-18 00:55:04,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:55:04,130 INFO L470 AbstractCegarLoop]: Abstraction has 19040 states and 52592 transitions. [2022-01-18 00:55:04,130 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) [2022-01-18 00:55:04,130 INFO L276 IsEmpty]: Start isEmpty. Operand 19040 states and 52592 transitions. [2022-01-18 00:55:04,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-18 00:55:04,153 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:55:04,154 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] [2022-01-18 00:55:04,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-01-18 00:55:04,154 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:55:04,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:55:04,154 INFO L85 PathProgramCache]: Analyzing trace with hash 825578125, now seen corresponding path program 8 times [2022-01-18 00:55:04,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:55:04,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937110670] [2022-01-18 00:55:04,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:55:04,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:55:04,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:55:04,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:55:04,261 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:55:04,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937110670] [2022-01-18 00:55:04,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937110670] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:55:04,262 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:55:04,262 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 00:55:04,262 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131739654] [2022-01-18 00:55:04,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:55:04,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 00:55:04,262 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:55:04,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 00:55:04,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-01-18 00:55:04,263 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) [2022-01-18 00:55:04,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:55:04,613 INFO L93 Difference]: Finished difference Result 19681 states and 54255 transitions. [2022-01-18 00:55:04,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-18 00:55:04,613 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 [2022-01-18 00:55:04,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:55:04,648 INFO L225 Difference]: With dead ends: 19681 [2022-01-18 00:55:04,648 INFO L226 Difference]: Without dead ends: 19396 [2022-01-18 00:55:04,648 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 [2022-01-18 00:55:04,648 INFO L933 BasicCegarLoop]: 325 mSDtfsCounter, 145 mSDsluCounter, 2097 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 2388 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 [2022-01-18 00:55:04,649 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 2388 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 00:55:04,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19396 states. [2022-01-18 00:55:04,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19396 to 19044. [2022-01-18 00:55:04,880 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) [2022-01-18 00:55:04,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19044 states to 19044 states and 52599 transitions. [2022-01-18 00:55:04,913 INFO L78 Accepts]: Start accepts. Automaton has 19044 states and 52599 transitions. Word has length 193 [2022-01-18 00:55:04,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:55:04,914 INFO L470 AbstractCegarLoop]: Abstraction has 19044 states and 52599 transitions. [2022-01-18 00:55:04,914 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) [2022-01-18 00:55:04,914 INFO L276 IsEmpty]: Start isEmpty. Operand 19044 states and 52599 transitions. [2022-01-18 00:55:04,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-18 00:55:04,935 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:55:04,936 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] [2022-01-18 00:55:04,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-01-18 00:55:04,936 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:55:04,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:55:04,936 INFO L85 PathProgramCache]: Analyzing trace with hash -539259761, now seen corresponding path program 9 times [2022-01-18 00:55:04,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:55:04,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390244844] [2022-01-18 00:55:04,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:55:04,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:55:04,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:55:05,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:55:05,037 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:55:05,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390244844] [2022-01-18 00:55:05,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390244844] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:55:05,037 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:55:05,037 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 00:55:05,037 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203342654] [2022-01-18 00:55:05,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:55:05,038 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 00:55:05,038 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:55:05,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 00:55:05,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-01-18 00:55:05,038 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) [2022-01-18 00:55:05,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:55:05,272 INFO L93 Difference]: Finished difference Result 19601 states and 54043 transitions. [2022-01-18 00:55:05,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-18 00:55:05,273 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 [2022-01-18 00:55:05,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:55:05,316 INFO L225 Difference]: With dead ends: 19601 [2022-01-18 00:55:05,316 INFO L226 Difference]: Without dead ends: 19344 [2022-01-18 00:55:05,316 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 [2022-01-18 00:55:05,317 INFO L933 BasicCegarLoop]: 318 mSDtfsCounter, 141 mSDsluCounter, 1849 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 2138 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 00:55:05,317 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 2138 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 00:55:05,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19344 states. [2022-01-18 00:55:05,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19344 to 19048. [2022-01-18 00:55:05,706 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) [2022-01-18 00:55:05,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19048 states to 19048 states and 52606 transitions. [2022-01-18 00:55:05,746 INFO L78 Accepts]: Start accepts. Automaton has 19048 states and 52606 transitions. Word has length 193 [2022-01-18 00:55:05,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:55:05,746 INFO L470 AbstractCegarLoop]: Abstraction has 19048 states and 52606 transitions. [2022-01-18 00:55:05,746 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) [2022-01-18 00:55:05,746 INFO L276 IsEmpty]: Start isEmpty. Operand 19048 states and 52606 transitions. [2022-01-18 00:55:05,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-18 00:55:05,768 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:55:05,768 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] [2022-01-18 00:55:05,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-01-18 00:55:05,768 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:55:05,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:55:05,769 INFO L85 PathProgramCache]: Analyzing trace with hash -400065459, now seen corresponding path program 10 times [2022-01-18 00:55:05,769 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:55:05,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154663755] [2022-01-18 00:55:05,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:55:05,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:55:05,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:55:05,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:55:05,900 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:55:05,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154663755] [2022-01-18 00:55:05,901 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154663755] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:55:05,901 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:55:05,901 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 00:55:05,901 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492810254] [2022-01-18 00:55:05,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:55:05,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 00:55:05,901 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:55:05,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 00:55:05,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-01-18 00:55:05,902 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) [2022-01-18 00:55:06,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:55:06,147 INFO L93 Difference]: Finished difference Result 19564 states and 53939 transitions. [2022-01-18 00:55:06,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-18 00:55:06,147 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 [2022-01-18 00:55:06,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:55:06,180 INFO L225 Difference]: With dead ends: 19564 [2022-01-18 00:55:06,180 INFO L226 Difference]: Without dead ends: 18684 [2022-01-18 00:55:06,181 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2022-01-18 00:55:06,181 INFO L933 BasicCegarLoop]: 318 mSDtfsCounter, 137 mSDsluCounter, 2084 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 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 [2022-01-18 00:55:06,181 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 2365 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 00:55:06,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18684 states. [2022-01-18 00:55:06,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18684 to 18428. [2022-01-18 00:55:06,410 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) [2022-01-18 00:55:06,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18428 states to 18428 states and 50926 transitions. [2022-01-18 00:55:06,441 INFO L78 Accepts]: Start accepts. Automaton has 18428 states and 50926 transitions. Word has length 193 [2022-01-18 00:55:06,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:55:06,441 INFO L470 AbstractCegarLoop]: Abstraction has 18428 states and 50926 transitions. [2022-01-18 00:55:06,441 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) [2022-01-18 00:55:06,441 INFO L276 IsEmpty]: Start isEmpty. Operand 18428 states and 50926 transitions. [2022-01-18 00:55:06,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-01-18 00:55:06,462 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:55:06,462 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] [2022-01-18 00:55:06,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-01-18 00:55:06,462 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:55:06,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:55:06,463 INFO L85 PathProgramCache]: Analyzing trace with hash 10836863, now seen corresponding path program 1 times [2022-01-18 00:55:06,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:55:06,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318153150] [2022-01-18 00:55:06,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:55:06,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:55:06,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:55:06,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:55:06,492 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:55:06,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318153150] [2022-01-18 00:55:06,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318153150] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:55:06,492 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:55:06,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 00:55:06,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733783643] [2022-01-18 00:55:06,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:55:06,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 00:55:06,493 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:55:06,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 00:55:06,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 00:55:06,494 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) [2022-01-18 00:55:06,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:55:06,573 INFO L93 Difference]: Finished difference Result 18257 states and 50319 transitions. [2022-01-18 00:55:06,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 00:55:06,573 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 [2022-01-18 00:55:06,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:55:06,609 INFO L225 Difference]: With dead ends: 18257 [2022-01-18 00:55:06,609 INFO L226 Difference]: Without dead ends: 18257 [2022-01-18 00:55:06,609 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 [2022-01-18 00:55:06,609 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 [2022-01-18 00:55:06,610 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] [2022-01-18 00:55:06,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18257 states. [2022-01-18 00:55:06,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18257 to 18218. [2022-01-18 00:55:07,010 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) [2022-01-18 00:55:07,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18218 states to 18218 states and 50218 transitions. [2022-01-18 00:55:07,041 INFO L78 Accepts]: Start accepts. Automaton has 18218 states and 50218 transitions. Word has length 195 [2022-01-18 00:55:07,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:55:07,042 INFO L470 AbstractCegarLoop]: Abstraction has 18218 states and 50218 transitions. [2022-01-18 00:55:07,042 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) [2022-01-18 00:55:07,042 INFO L276 IsEmpty]: Start isEmpty. Operand 18218 states and 50218 transitions. [2022-01-18 00:55:07,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-01-18 00:55:07,063 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:55:07,063 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] [2022-01-18 00:55:07,063 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-01-18 00:55:07,063 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:55:07,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:55:07,063 INFO L85 PathProgramCache]: Analyzing trace with hash -385728195, now seen corresponding path program 1 times [2022-01-18 00:55:07,063 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:55:07,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749637502] [2022-01-18 00:55:07,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:55:07,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:55:07,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:55:07,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:55:07,091 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:55:07,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749637502] [2022-01-18 00:55:07,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749637502] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:55:07,091 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:55:07,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 00:55:07,092 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810504968] [2022-01-18 00:55:07,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:55:07,092 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 00:55:07,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:55:07,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 00:55:07,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 00:55:07,093 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) [2022-01-18 00:55:07,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:55:07,164 INFO L93 Difference]: Finished difference Result 18083 states and 49706 transitions. [2022-01-18 00:55:07,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 00:55:07,165 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 [2022-01-18 00:55:07,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:55:07,191 INFO L225 Difference]: With dead ends: 18083 [2022-01-18 00:55:07,192 INFO L226 Difference]: Without dead ends: 18083 [2022-01-18 00:55:07,192 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 [2022-01-18 00:55:07,192 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 [2022-01-18 00:55:07,192 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] [2022-01-18 00:55:07,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18083 states. [2022-01-18 00:55:07,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18083 to 18083. [2022-01-18 00:55:07,415 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) [2022-01-18 00:55:07,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18083 states to 18083 states and 49706 transitions. [2022-01-18 00:55:07,445 INFO L78 Accepts]: Start accepts. Automaton has 18083 states and 49706 transitions. Word has length 195 [2022-01-18 00:55:07,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:55:07,445 INFO L470 AbstractCegarLoop]: Abstraction has 18083 states and 49706 transitions. [2022-01-18 00:55:07,446 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) [2022-01-18 00:55:07,446 INFO L276 IsEmpty]: Start isEmpty. Operand 18083 states and 49706 transitions. [2022-01-18 00:55:07,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:55:07,465 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:55:07,465 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] [2022-01-18 00:55:07,466 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-01-18 00:55:07,466 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:55:07,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:55:07,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1226716063, now seen corresponding path program 1 times [2022-01-18 00:55:07,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:55:07,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884286665] [2022-01-18 00:55:07,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:55:07,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:55:07,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:55:07,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:55:07,834 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:55:07,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884286665] [2022-01-18 00:55:07,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884286665] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:55:07,834 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:55:07,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:55:07,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345133114] [2022-01-18 00:55:07,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:55:07,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:55:07,835 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:55:07,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:55:07,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:55:07,836 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) [2022-01-18 00:55:11,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:55:11,082 INFO L93 Difference]: Finished difference Result 30940 states and 84292 transitions. [2022-01-18 00:55:11,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-18 00:55:11,082 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 [2022-01-18 00:55:11,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:55:11,137 INFO L225 Difference]: With dead ends: 30940 [2022-01-18 00:55:11,137 INFO L226 Difference]: Without dead ends: 30940 [2022-01-18 00:55:11,139 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1026 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=693, Invalid=5007, Unknown=0, NotChecked=0, Total=5700 [2022-01-18 00:55:11,139 INFO L933 BasicCegarLoop]: 950 mSDtfsCounter, 2004 mSDsluCounter, 20794 mSDsCounter, 0 mSdLazyCounter, 4521 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s 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, 1.8s IncrementalHoareTripleChecker+Time [2022-01-18 00:55:11,139 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2004 Valid, 21312 Invalid, 4542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4521 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-18 00:55:11,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30940 states. [2022-01-18 00:55:11,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30940 to 20351. [2022-01-18 00:55:11,516 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) [2022-01-18 00:55:11,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20351 states to 20351 states and 56191 transitions. [2022-01-18 00:55:11,555 INFO L78 Accepts]: Start accepts. Automaton has 20351 states and 56191 transitions. Word has length 199 [2022-01-18 00:55:11,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:55:11,555 INFO L470 AbstractCegarLoop]: Abstraction has 20351 states and 56191 transitions. [2022-01-18 00:55:11,555 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) [2022-01-18 00:55:11,555 INFO L276 IsEmpty]: Start isEmpty. Operand 20351 states and 56191 transitions. [2022-01-18 00:55:11,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:55:11,580 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:55:11,580 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] [2022-01-18 00:55:11,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-01-18 00:55:11,580 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:55:11,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:55:11,581 INFO L85 PathProgramCache]: Analyzing trace with hash -795081979, now seen corresponding path program 2 times [2022-01-18 00:55:11,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:55:11,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39489514] [2022-01-18 00:55:11,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:55:11,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:55:11,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:55:11,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:55:11,974 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:55:11,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39489514] [2022-01-18 00:55:11,975 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39489514] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:55:11,975 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:55:11,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:55:11,975 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842693440] [2022-01-18 00:55:11,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:55:11,975 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:55:11,975 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:55:11,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:55:11,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:55:11,976 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) [2022-01-18 00:55:14,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:55:14,618 INFO L93 Difference]: Finished difference Result 29612 states and 80966 transitions. [2022-01-18 00:55:14,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-01-18 00:55:14,618 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 [2022-01-18 00:55:14,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:55:14,665 INFO L225 Difference]: With dead ends: 29612 [2022-01-18 00:55:14,666 INFO L226 Difference]: Without dead ends: 29612 [2022-01-18 00:55:14,667 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 887 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=607, Invalid=4505, Unknown=0, NotChecked=0, Total=5112 [2022-01-18 00:55:14,667 INFO L933 BasicCegarLoop]: 901 mSDtfsCounter, 1850 mSDsluCounter, 19530 mSDsCounter, 0 mSdLazyCounter, 4258 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 00:55:14,667 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1850 Valid, 20165 Invalid, 4279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4258 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 00:55:14,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29612 states. [2022-01-18 00:55:14,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29612 to 20602. [2022-01-18 00:55:14,973 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) [2022-01-18 00:55:15,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20602 states to 20602 states and 56870 transitions. [2022-01-18 00:55:15,009 INFO L78 Accepts]: Start accepts. Automaton has 20602 states and 56870 transitions. Word has length 199 [2022-01-18 00:55:15,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:55:15,009 INFO L470 AbstractCegarLoop]: Abstraction has 20602 states and 56870 transitions. [2022-01-18 00:55:15,009 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) [2022-01-18 00:55:15,009 INFO L276 IsEmpty]: Start isEmpty. Operand 20602 states and 56870 transitions. [2022-01-18 00:55:15,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:55:15,032 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:55:15,032 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] [2022-01-18 00:55:15,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-01-18 00:55:15,033 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:55:15,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:55:15,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1128055391, now seen corresponding path program 3 times [2022-01-18 00:55:15,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:55:15,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134543962] [2022-01-18 00:55:15,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:55:15,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:55:15,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:55:15,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:55:15,382 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:55:15,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134543962] [2022-01-18 00:55:15,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134543962] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:55:15,383 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:55:15,383 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:55:15,383 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704596541] [2022-01-18 00:55:15,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:55:15,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:55:15,383 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:55:15,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:55:15,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:55:15,384 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) [2022-01-18 00:55:17,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:55:17,858 INFO L93 Difference]: Finished difference Result 29212 states and 79945 transitions. [2022-01-18 00:55:17,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-18 00:55:17,859 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 [2022-01-18 00:55:17,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:55:17,904 INFO L225 Difference]: With dead ends: 29212 [2022-01-18 00:55:17,904 INFO L226 Difference]: Without dead ends: 29212 [2022-01-18 00:55:17,905 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 [2022-01-18 00:55:17,906 INFO L933 BasicCegarLoop]: 896 mSDtfsCounter, 1673 mSDsluCounter, 19214 mSDsCounter, 0 mSdLazyCounter, 4216 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.4s IncrementalHoareTripleChecker+Time [2022-01-18 00:55:17,906 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1673 Valid, 19854 Invalid, 4235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4216 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-01-18 00:55:17,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29212 states. [2022-01-18 00:55:18,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29212 to 20743. [2022-01-18 00:55:18,204 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) [2022-01-18 00:55:18,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20743 states to 20743 states and 57239 transitions. [2022-01-18 00:55:18,245 INFO L78 Accepts]: Start accepts. Automaton has 20743 states and 57239 transitions. Word has length 199 [2022-01-18 00:55:18,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:55:18,245 INFO L470 AbstractCegarLoop]: Abstraction has 20743 states and 57239 transitions. [2022-01-18 00:55:18,245 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) [2022-01-18 00:55:18,245 INFO L276 IsEmpty]: Start isEmpty. Operand 20743 states and 57239 transitions. [2022-01-18 00:55:18,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:55:18,271 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:55:18,272 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] [2022-01-18 00:55:18,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-01-18 00:55:18,272 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:55:18,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:55:18,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1565625005, now seen corresponding path program 4 times [2022-01-18 00:55:18,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:55:18,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302342721] [2022-01-18 00:55:18,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:55:18,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:55:18,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:55:18,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:55:18,692 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:55:18,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302342721] [2022-01-18 00:55:18,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302342721] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:55:18,692 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:55:18,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:55:18,692 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241093200] [2022-01-18 00:55:18,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:55:18,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:55:18,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:55:18,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:55:18,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:55:18,693 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) [2022-01-18 00:55:21,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:55:21,291 INFO L93 Difference]: Finished difference Result 30570 states and 83337 transitions. [2022-01-18 00:55:21,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-18 00:55:21,291 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 [2022-01-18 00:55:21,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:55:21,339 INFO L225 Difference]: With dead ends: 30570 [2022-01-18 00:55:21,339 INFO L226 Difference]: Without dead ends: 30570 [2022-01-18 00:55:21,340 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 [2022-01-18 00:55:21,341 INFO L933 BasicCegarLoop]: 909 mSDtfsCounter, 1756 mSDsluCounter, 19472 mSDsCounter, 0 mSdLazyCounter, 4149 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.4s IncrementalHoareTripleChecker+Time [2022-01-18 00:55:21,341 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1756 Valid, 20124 Invalid, 4168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4149 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-01-18 00:55:21,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30570 states. [2022-01-18 00:55:21,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30570 to 20790. [2022-01-18 00:55:21,653 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) [2022-01-18 00:55:21,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20790 states to 20790 states and 57362 transitions. [2022-01-18 00:55:21,689 INFO L78 Accepts]: Start accepts. Automaton has 20790 states and 57362 transitions. Word has length 199 [2022-01-18 00:55:21,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:55:21,689 INFO L470 AbstractCegarLoop]: Abstraction has 20790 states and 57362 transitions. [2022-01-18 00:55:21,689 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) [2022-01-18 00:55:21,689 INFO L276 IsEmpty]: Start isEmpty. Operand 20790 states and 57362 transitions. [2022-01-18 00:55:21,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:55:21,713 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:55:21,713 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] [2022-01-18 00:55:21,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-01-18 00:55:21,713 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:55:21,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:55:21,713 INFO L85 PathProgramCache]: Analyzing trace with hash 2128110973, now seen corresponding path program 5 times [2022-01-18 00:55:21,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:55:21,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211432003] [2022-01-18 00:55:21,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:55:21,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:55:21,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:55:22,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:55:22,061 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:55:22,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211432003] [2022-01-18 00:55:22,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211432003] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:55:22,061 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:55:22,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:55:22,061 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943834163] [2022-01-18 00:55:22,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:55:22,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:55:22,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:55:22,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:55:22,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:55:22,062 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) [2022-01-18 00:55:24,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:55:24,590 INFO L93 Difference]: Finished difference Result 31813 states and 86509 transitions. [2022-01-18 00:55:24,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-01-18 00:55:24,590 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 [2022-01-18 00:55:24,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:55:24,642 INFO L225 Difference]: With dead ends: 31813 [2022-01-18 00:55:24,642 INFO L226 Difference]: Without dead ends: 31813 [2022-01-18 00:55:24,644 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 [2022-01-18 00:55:24,644 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 [2022-01-18 00:55:24,644 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] [2022-01-18 00:55:24,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31813 states. [2022-01-18 00:55:25,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31813 to 21401. [2022-01-18 00:55:25,038 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) [2022-01-18 00:55:25,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21401 states to 21401 states and 58961 transitions. [2022-01-18 00:55:25,081 INFO L78 Accepts]: Start accepts. Automaton has 21401 states and 58961 transitions. Word has length 199 [2022-01-18 00:55:25,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:55:25,081 INFO L470 AbstractCegarLoop]: Abstraction has 21401 states and 58961 transitions. [2022-01-18 00:55:25,081 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) [2022-01-18 00:55:25,081 INFO L276 IsEmpty]: Start isEmpty. Operand 21401 states and 58961 transitions. [2022-01-18 00:55:25,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:55:25,108 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:55:25,108 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] [2022-01-18 00:55:25,109 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-01-18 00:55:25,109 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:55:25,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:55:25,109 INFO L85 PathProgramCache]: Analyzing trace with hash -249094141, now seen corresponding path program 6 times [2022-01-18 00:55:25,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:55:25,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508091795] [2022-01-18 00:55:25,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:55:25,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:55:25,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:55:25,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:55:25,497 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:55:25,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508091795] [2022-01-18 00:55:25,497 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508091795] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:55:25,497 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:55:25,497 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:55:25,497 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572389894] [2022-01-18 00:55:25,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:55:25,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:55:25,498 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:55:25,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:55:25,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:55:25,498 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) [2022-01-18 00:55:28,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:55:28,091 INFO L93 Difference]: Finished difference Result 32471 states and 88231 transitions. [2022-01-18 00:55:28,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-01-18 00:55:28,091 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 [2022-01-18 00:55:28,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:55:28,146 INFO L225 Difference]: With dead ends: 32471 [2022-01-18 00:55:28,146 INFO L226 Difference]: Without dead ends: 32471 [2022-01-18 00:55:28,148 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 885 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=610, Invalid=4502, Unknown=0, NotChecked=0, Total=5112 [2022-01-18 00:55:28,148 INFO L933 BasicCegarLoop]: 950 mSDtfsCounter, 1786 mSDsluCounter, 20339 mSDsCounter, 0 mSdLazyCounter, 4145 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.4s IncrementalHoareTripleChecker+Time [2022-01-18 00:55:28,149 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1786 Valid, 21014 Invalid, 4164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4145 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-01-18 00:55:28,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32471 states. [2022-01-18 00:55:28,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32471 to 21448. [2022-01-18 00:55:28,519 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) [2022-01-18 00:55:28,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21448 states to 21448 states and 59084 transitions. [2022-01-18 00:55:28,555 INFO L78 Accepts]: Start accepts. Automaton has 21448 states and 59084 transitions. Word has length 199 [2022-01-18 00:55:28,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:55:28,555 INFO L470 AbstractCegarLoop]: Abstraction has 21448 states and 59084 transitions. [2022-01-18 00:55:28,555 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) [2022-01-18 00:55:28,555 INFO L276 IsEmpty]: Start isEmpty. Operand 21448 states and 59084 transitions. [2022-01-18 00:55:28,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:55:28,581 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:55:28,581 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] [2022-01-18 00:55:28,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-01-18 00:55:28,581 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:55:28,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:55:28,582 INFO L85 PathProgramCache]: Analyzing trace with hash -816277943, now seen corresponding path program 7 times [2022-01-18 00:55:28,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:55:28,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281377932] [2022-01-18 00:55:28,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:55:28,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:55:28,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:55:28,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:55:28,899 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:55:28,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281377932] [2022-01-18 00:55:28,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281377932] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:55:28,900 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:55:28,900 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:55:28,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743880283] [2022-01-18 00:55:28,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:55:28,900 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:55:28,900 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:55:28,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:55:28,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:55:28,901 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) [2022-01-18 00:55:31,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:55:31,292 INFO L93 Difference]: Finished difference Result 32659 states and 88723 transitions. [2022-01-18 00:55:31,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-01-18 00:55:31,292 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 [2022-01-18 00:55:31,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:55:31,350 INFO L225 Difference]: With dead ends: 32659 [2022-01-18 00:55:31,350 INFO L226 Difference]: Without dead ends: 32659 [2022-01-18 00:55:31,352 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 887 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=606, Invalid=4506, Unknown=0, NotChecked=0, Total=5112 [2022-01-18 00:55:31,352 INFO L933 BasicCegarLoop]: 952 mSDtfsCounter, 1774 mSDsluCounter, 20457 mSDsCounter, 0 mSdLazyCounter, 3961 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.3s IncrementalHoareTripleChecker+Time [2022-01-18 00:55:31,352 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1774 Valid, 21134 Invalid, 3980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 3961 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-01-18 00:55:31,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32659 states. [2022-01-18 00:55:31,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32659 to 21589. [2022-01-18 00:55:31,754 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) [2022-01-18 00:55:31,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21589 states to 21589 states and 59453 transitions. [2022-01-18 00:55:31,797 INFO L78 Accepts]: Start accepts. Automaton has 21589 states and 59453 transitions. Word has length 199 [2022-01-18 00:55:31,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:55:31,797 INFO L470 AbstractCegarLoop]: Abstraction has 21589 states and 59453 transitions. [2022-01-18 00:55:31,797 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) [2022-01-18 00:55:31,797 INFO L276 IsEmpty]: Start isEmpty. Operand 21589 states and 59453 transitions. [2022-01-18 00:55:31,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:55:31,824 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:55:31,824 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] [2022-01-18 00:55:31,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-01-18 00:55:31,825 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:55:31,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:55:31,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1071114681, now seen corresponding path program 8 times [2022-01-18 00:55:31,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:55:31,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528650375] [2022-01-18 00:55:31,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:55:31,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:55:31,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:55:32,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:55:32,215 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:55:32,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528650375] [2022-01-18 00:55:32,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528650375] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:55:32,215 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:55:32,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:55:32,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744432426] [2022-01-18 00:55:32,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:55:32,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:55:32,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:55:32,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:55:32,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:55:32,217 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) [2022-01-18 00:55:34,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:55:34,777 INFO L93 Difference]: Finished difference Result 32941 states and 89461 transitions. [2022-01-18 00:55:34,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-01-18 00:55:34,777 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 [2022-01-18 00:55:34,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:55:34,832 INFO L225 Difference]: With dead ends: 32941 [2022-01-18 00:55:34,833 INFO L226 Difference]: Without dead ends: 32941 [2022-01-18 00:55:34,834 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 928 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=619, Invalid=4637, Unknown=0, NotChecked=0, Total=5256 [2022-01-18 00:55:34,835 INFO L933 BasicCegarLoop]: 954 mSDtfsCounter, 1789 mSDsluCounter, 20560 mSDsCounter, 0 mSdLazyCounter, 3838 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.3s IncrementalHoareTripleChecker+Time [2022-01-18 00:55:34,835 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1789 Valid, 21239 Invalid, 3857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 3838 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-01-18 00:55:34,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32941 states. [2022-01-18 00:55:35,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32941 to 21730. [2022-01-18 00:55:35,234 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) [2022-01-18 00:55:35,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21730 states to 21730 states and 59822 transitions. [2022-01-18 00:55:35,277 INFO L78 Accepts]: Start accepts. Automaton has 21730 states and 59822 transitions. Word has length 199 [2022-01-18 00:55:35,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:55:35,277 INFO L470 AbstractCegarLoop]: Abstraction has 21730 states and 59822 transitions. [2022-01-18 00:55:35,277 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) [2022-01-18 00:55:35,277 INFO L276 IsEmpty]: Start isEmpty. Operand 21730 states and 59822 transitions. [2022-01-18 00:55:35,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:55:35,305 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:55:35,305 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] [2022-01-18 00:55:35,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-01-18 00:55:35,305 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:55:35,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:55:35,305 INFO L85 PathProgramCache]: Analyzing trace with hash 700681267, now seen corresponding path program 9 times [2022-01-18 00:55:35,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:55:35,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111358713] [2022-01-18 00:55:35,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:55:35,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:55:35,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:55:35,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:55:35,646 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:55:35,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111358713] [2022-01-18 00:55:35,646 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111358713] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:55:35,646 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:55:35,646 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:55:35,646 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978088890] [2022-01-18 00:55:35,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:55:35,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:55:35,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:55:35,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:55:35,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:55:35,647 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) [2022-01-18 00:55:37,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:55:37,836 INFO L93 Difference]: Finished difference Result 28372 states and 77421 transitions. [2022-01-18 00:55:37,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-18 00:55:37,837 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 [2022-01-18 00:55:37,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:55:37,882 INFO L225 Difference]: With dead ends: 28372 [2022-01-18 00:55:37,882 INFO L226 Difference]: Without dead ends: 28372 [2022-01-18 00:55:37,884 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 769 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=567, Invalid=4125, Unknown=0, NotChecked=0, Total=4692 [2022-01-18 00:55:37,884 INFO L933 BasicCegarLoop]: 871 mSDtfsCounter, 1624 mSDsluCounter, 18727 mSDsCounter, 0 mSdLazyCounter, 3474 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.2s IncrementalHoareTripleChecker+Time [2022-01-18 00:55:37,884 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1624 Valid, 19317 Invalid, 3493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 3474 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-01-18 00:55:37,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28372 states. [2022-01-18 00:55:38,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28372 to 21871. [2022-01-18 00:55:38,420 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) [2022-01-18 00:55:38,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21871 states to 21871 states and 60191 transitions. [2022-01-18 00:55:38,456 INFO L78 Accepts]: Start accepts. Automaton has 21871 states and 60191 transitions. Word has length 199 [2022-01-18 00:55:38,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:55:38,456 INFO L470 AbstractCegarLoop]: Abstraction has 21871 states and 60191 transitions. [2022-01-18 00:55:38,456 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) [2022-01-18 00:55:38,457 INFO L276 IsEmpty]: Start isEmpty. Operand 21871 states and 60191 transitions. [2022-01-18 00:55:38,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:55:38,481 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:55:38,481 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] [2022-01-18 00:55:38,481 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-01-18 00:55:38,481 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:55:38,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:55:38,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1610893309, now seen corresponding path program 10 times [2022-01-18 00:55:38,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:55:38,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978373465] [2022-01-18 00:55:38,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:55:38,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:55:38,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:55:38,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:55:38,820 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:55:38,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978373465] [2022-01-18 00:55:38,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978373465] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:55:38,821 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:55:38,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:55:38,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188542346] [2022-01-18 00:55:38,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:55:38,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:55:38,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:55:38,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:55:38,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:55:38,822 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) [2022-01-18 00:55:41,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:55:41,459 INFO L93 Difference]: Finished difference Result 36709 states and 100073 transitions. [2022-01-18 00:55:41,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 00:55:41,460 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 [2022-01-18 00:55:41,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:55:41,517 INFO L225 Difference]: With dead ends: 36709 [2022-01-18 00:55:41,517 INFO L226 Difference]: Without dead ends: 36709 [2022-01-18 00:55:41,519 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 [2022-01-18 00:55:41,519 INFO L933 BasicCegarLoop]: 923 mSDtfsCounter, 1881 mSDsluCounter, 20342 mSDsCounter, 0 mSdLazyCounter, 4672 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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 [2022-01-18 00:55:41,519 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] [2022-01-18 00:55:41,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36709 states. [2022-01-18 00:55:41,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36709 to 22447. [2022-01-18 00:55:41,966 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) [2022-01-18 00:55:42,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22447 states to 22447 states and 61875 transitions. [2022-01-18 00:55:42,005 INFO L78 Accepts]: Start accepts. Automaton has 22447 states and 61875 transitions. Word has length 199 [2022-01-18 00:55:42,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:55:42,005 INFO L470 AbstractCegarLoop]: Abstraction has 22447 states and 61875 transitions. [2022-01-18 00:55:42,006 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) [2022-01-18 00:55:42,006 INFO L276 IsEmpty]: Start isEmpty. Operand 22447 states and 61875 transitions. [2022-01-18 00:55:42,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:55:42,032 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:55:42,032 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] [2022-01-18 00:55:42,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-01-18 00:55:42,032 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:55:42,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:55:42,033 INFO L85 PathProgramCache]: Analyzing trace with hash -410904733, now seen corresponding path program 11 times [2022-01-18 00:55:42,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:55:42,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012846945] [2022-01-18 00:55:42,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:55:42,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:55:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:55:42,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:55:42,346 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:55:42,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012846945] [2022-01-18 00:55:42,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012846945] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:55:42,347 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:55:42,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:55:42,347 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951493860] [2022-01-18 00:55:42,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:55:42,347 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:55:42,347 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:55:42,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:55:42,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:55:42,348 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) [2022-01-18 00:55:45,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:55:45,121 INFO L93 Difference]: Finished difference Result 35668 states and 97515 transitions. [2022-01-18 00:55:45,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-01-18 00:55:45,122 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 [2022-01-18 00:55:45,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:55:45,174 INFO L225 Difference]: With dead ends: 35668 [2022-01-18 00:55:45,174 INFO L226 Difference]: Without dead ends: 35668 [2022-01-18 00:55:45,175 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1218 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=665, Invalid=5497, Unknown=0, NotChecked=0, Total=6162 [2022-01-18 00:55:45,175 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, 1.5s IncrementalHoareTripleChecker+Time [2022-01-18 00:55:45,175 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1847 Valid, 20860 Invalid, 4560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4539 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-18 00:55:45,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35668 states. [2022-01-18 00:55:45,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35668 to 22383. [2022-01-18 00:55:45,511 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) [2022-01-18 00:55:45,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22383 states to 22383 states and 61667 transitions. [2022-01-18 00:55:45,549 INFO L78 Accepts]: Start accepts. Automaton has 22383 states and 61667 transitions. Word has length 199 [2022-01-18 00:55:45,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:55:45,549 INFO L470 AbstractCegarLoop]: Abstraction has 22383 states and 61667 transitions. [2022-01-18 00:55:45,550 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) [2022-01-18 00:55:45,550 INFO L276 IsEmpty]: Start isEmpty. Operand 22383 states and 61667 transitions. [2022-01-18 00:55:45,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:55:45,575 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:55:45,576 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] [2022-01-18 00:55:45,576 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-01-18 00:55:45,576 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:55:45,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:55:45,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1512232637, now seen corresponding path program 12 times [2022-01-18 00:55:45,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:55:45,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721632434] [2022-01-18 00:55:45,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:55:45,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:55:45,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:55:45,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:55:45,901 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:55:45,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721632434] [2022-01-18 00:55:45,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721632434] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:55:45,902 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:55:45,902 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:55:45,902 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487623991] [2022-01-18 00:55:45,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:55:45,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:55:45,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:55:45,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:55:45,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:55:45,903 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) [2022-01-18 00:55:48,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:55:48,446 INFO L93 Difference]: Finished difference Result 34539 states and 94612 transitions. [2022-01-18 00:55:48,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-18 00:55:48,446 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 [2022-01-18 00:55:48,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:55:48,499 INFO L225 Difference]: With dead ends: 34539 [2022-01-18 00:55:48,500 INFO L226 Difference]: Without dead ends: 34539 [2022-01-18 00:55:48,500 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 987 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=598, Invalid=4804, Unknown=0, NotChecked=0, Total=5402 [2022-01-18 00:55:48,500 INFO L933 BasicCegarLoop]: 921 mSDtfsCounter, 1645 mSDsluCounter, 19913 mSDsCounter, 0 mSdLazyCounter, 4465 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.5s IncrementalHoareTripleChecker+Time [2022-01-18 00:55:48,501 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1645 Valid, 20613 Invalid, 4484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4465 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-18 00:55:48,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34539 states. [2022-01-18 00:55:48,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34539 to 22335. [2022-01-18 00:55:48,848 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) [2022-01-18 00:55:48,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22335 states to 22335 states and 61523 transitions. [2022-01-18 00:55:48,886 INFO L78 Accepts]: Start accepts. Automaton has 22335 states and 61523 transitions. Word has length 199 [2022-01-18 00:55:48,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:55:48,886 INFO L470 AbstractCegarLoop]: Abstraction has 22335 states and 61523 transitions. [2022-01-18 00:55:48,887 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) [2022-01-18 00:55:48,887 INFO L276 IsEmpty]: Start isEmpty. Operand 22335 states and 61523 transitions. [2022-01-18 00:55:48,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:55:48,913 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:55:48,913 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] [2022-01-18 00:55:48,913 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-01-18 00:55:48,913 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:55:48,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:55:48,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1181447759, now seen corresponding path program 13 times [2022-01-18 00:55:48,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:55:48,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256844485] [2022-01-18 00:55:48,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:55:48,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:55:48,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:55:49,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:55:49,285 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:55:49,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256844485] [2022-01-18 00:55:49,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256844485] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:55:49,285 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:55:49,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:55:49,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056297472] [2022-01-18 00:55:49,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:55:49,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:55:49,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:55:49,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:55:49,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:55:49,287 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) [2022-01-18 00:55:51,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:55:51,782 INFO L93 Difference]: Finished difference Result 35897 states and 98004 transitions. [2022-01-18 00:55:51,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-18 00:55:51,782 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 [2022-01-18 00:55:51,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:55:51,840 INFO L225 Difference]: With dead ends: 35897 [2022-01-18 00:55:51,840 INFO L226 Difference]: Without dead ends: 35897 [2022-01-18 00:55:51,841 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 [2022-01-18 00:55:51,841 INFO L933 BasicCegarLoop]: 934 mSDtfsCounter, 1701 mSDsluCounter, 20228 mSDsCounter, 0 mSdLazyCounter, 4378 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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 [2022-01-18 00:55:51,841 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] [2022-01-18 00:55:51,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35897 states. [2022-01-18 00:55:52,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35897 to 22319. [2022-01-18 00:55:52,202 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) [2022-01-18 00:55:52,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22319 states to 22319 states and 61475 transitions. [2022-01-18 00:55:52,240 INFO L78 Accepts]: Start accepts. Automaton has 22319 states and 61475 transitions. Word has length 199 [2022-01-18 00:55:52,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:55:52,241 INFO L470 AbstractCegarLoop]: Abstraction has 22319 states and 61475 transitions. [2022-01-18 00:55:52,241 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) [2022-01-18 00:55:52,241 INFO L276 IsEmpty]: Start isEmpty. Operand 22319 states and 61475 transitions. [2022-01-18 00:55:52,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:55:52,267 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:55:52,267 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] [2022-01-18 00:55:52,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-01-18 00:55:52,268 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:55:52,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:55:52,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1782679077, now seen corresponding path program 14 times [2022-01-18 00:55:52,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:55:52,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843214269] [2022-01-18 00:55:52,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:55:52,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:55:52,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:55:52,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:55:52,591 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:55:52,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843214269] [2022-01-18 00:55:52,591 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843214269] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:55:52,591 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:55:52,591 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:55:52,591 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633106466] [2022-01-18 00:55:52,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:55:52,591 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:55:52,591 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:55:52,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:55:52,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:55:52,592 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) [2022-01-18 00:55:55,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:55:55,009 INFO L93 Difference]: Finished difference Result 34890 states and 95146 transitions. [2022-01-18 00:55:55,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-01-18 00:55:55,010 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 [2022-01-18 00:55:55,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:55:55,066 INFO L225 Difference]: With dead ends: 34890 [2022-01-18 00:55:55,066 INFO L226 Difference]: Without dead ends: 34890 [2022-01-18 00:55:55,067 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 [2022-01-18 00:55:55,067 INFO L933 BasicCegarLoop]: 981 mSDtfsCounter, 1593 mSDsluCounter, 21261 mSDsCounter, 0 mSdLazyCounter, 4405 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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 [2022-01-18 00:55:55,067 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] [2022-01-18 00:55:55,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34890 states. [2022-01-18 00:55:55,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34890 to 22111. [2022-01-18 00:55:55,442 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) [2022-01-18 00:55:55,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22111 states to 22111 states and 60851 transitions. [2022-01-18 00:55:55,484 INFO L78 Accepts]: Start accepts. Automaton has 22111 states and 60851 transitions. Word has length 199 [2022-01-18 00:55:55,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:55:55,484 INFO L470 AbstractCegarLoop]: Abstraction has 22111 states and 60851 transitions. [2022-01-18 00:55:55,484 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) [2022-01-18 00:55:55,484 INFO L276 IsEmpty]: Start isEmpty. Operand 22111 states and 60851 transitions. [2022-01-18 00:55:55,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:55:55,512 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:55:55,512 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] [2022-01-18 00:55:55,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-01-18 00:55:55,512 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:55:55,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:55:55,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1089079169, now seen corresponding path program 15 times [2022-01-18 00:55:55,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:55:55,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103756410] [2022-01-18 00:55:55,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:55:55,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:55:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:55:55,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:55:55,838 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:55:55,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103756410] [2022-01-18 00:55:55,838 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103756410] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:55:55,838 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:55:55,839 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:55:55,839 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58685459] [2022-01-18 00:55:55,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:55:55,839 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:55:55,839 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:55:55,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:55:55,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:55:55,840 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) [2022-01-18 00:55:58,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:55:58,112 INFO L93 Difference]: Finished difference Result 30232 states and 82639 transitions. [2022-01-18 00:55:58,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-18 00:55:58,112 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 [2022-01-18 00:55:58,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:55:58,159 INFO L225 Difference]: With dead ends: 30232 [2022-01-18 00:55:58,159 INFO L226 Difference]: Without dead ends: 30232 [2022-01-18 00:55:58,160 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 [2022-01-18 00:55:58,161 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 [2022-01-18 00:55:58,161 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] [2022-01-18 00:55:58,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30232 states. [2022-01-18 00:55:58,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30232 to 22271. [2022-01-18 00:55:58,487 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) [2022-01-18 00:55:58,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22271 states to 22271 states and 61335 transitions. [2022-01-18 00:55:58,526 INFO L78 Accepts]: Start accepts. Automaton has 22271 states and 61335 transitions. Word has length 199 [2022-01-18 00:55:58,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:55:58,526 INFO L470 AbstractCegarLoop]: Abstraction has 22271 states and 61335 transitions. [2022-01-18 00:55:58,526 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) [2022-01-18 00:55:58,527 INFO L276 IsEmpty]: Start isEmpty. Operand 22271 states and 61335 transitions. [2022-01-18 00:55:58,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:55:58,552 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:55:58,552 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] [2022-01-18 00:55:58,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-01-18 00:55:58,552 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:55:58,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:55:58,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1184090085, now seen corresponding path program 16 times [2022-01-18 00:55:58,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:55:58,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701042372] [2022-01-18 00:55:58,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:55:58,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:55:58,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:55:58,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:55:58,927 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:55:58,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701042372] [2022-01-18 00:55:58,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701042372] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:55:58,927 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:55:58,927 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:55:58,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094723410] [2022-01-18 00:55:58,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:55:58,927 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:55:58,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:55:58,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:55:58,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:55:58,928 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) [2022-01-18 00:56:01,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:56:01,358 INFO L93 Difference]: Finished difference Result 30134 states and 82524 transitions. [2022-01-18 00:56:01,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-01-18 00:56:01,359 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 [2022-01-18 00:56:01,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:56:01,400 INFO L225 Difference]: With dead ends: 30134 [2022-01-18 00:56:01,400 INFO L226 Difference]: Without dead ends: 30134 [2022-01-18 00:56:01,401 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 845 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=592, Invalid=4378, Unknown=0, NotChecked=0, Total=4970 [2022-01-18 00:56:01,401 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 [2022-01-18 00:56:01,401 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] [2022-01-18 00:56:01,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30134 states. [2022-01-18 00:56:01,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30134 to 22219. [2022-01-18 00:56:01,711 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) [2022-01-18 00:56:01,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22219 states to 22219 states and 61172 transitions. [2022-01-18 00:56:01,751 INFO L78 Accepts]: Start accepts. Automaton has 22219 states and 61172 transitions. Word has length 199 [2022-01-18 00:56:01,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:56:01,752 INFO L470 AbstractCegarLoop]: Abstraction has 22219 states and 61172 transitions. [2022-01-18 00:56:01,752 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) [2022-01-18 00:56:01,752 INFO L276 IsEmpty]: Start isEmpty. Operand 22219 states and 61172 transitions. [2022-01-18 00:56:01,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:56:01,783 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:56:01,784 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] [2022-01-18 00:56:01,784 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-01-18 00:56:01,784 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:56:01,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:56:01,784 INFO L85 PathProgramCache]: Analyzing trace with hash 806892861, now seen corresponding path program 17 times [2022-01-18 00:56:01,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:56:01,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080681463] [2022-01-18 00:56:01,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:56:01,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:56:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:56:02,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:56:02,120 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:56:02,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080681463] [2022-01-18 00:56:02,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080681463] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:56:02,120 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:56:02,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:56:02,120 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127707939] [2022-01-18 00:56:02,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:56:02,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:56:02,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:56:02,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:56:02,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:56:02,121 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) [2022-01-18 00:56:04,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:56:04,247 INFO L93 Difference]: Finished difference Result 27868 states and 76163 transitions. [2022-01-18 00:56:04,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 00:56:04,247 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 [2022-01-18 00:56:04,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:56:04,290 INFO L225 Difference]: With dead ends: 27868 [2022-01-18 00:56:04,291 INFO L226 Difference]: Without dead ends: 27868 [2022-01-18 00:56:04,291 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 617 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=540, Invalid=3620, Unknown=0, NotChecked=0, Total=4160 [2022-01-18 00:56:04,292 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 [2022-01-18 00:56:04,292 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] [2022-01-18 00:56:04,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27868 states. [2022-01-18 00:56:04,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27868 to 22351. [2022-01-18 00:56:04,587 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) [2022-01-18 00:56:04,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22351 states to 22351 states and 61523 transitions. [2022-01-18 00:56:04,625 INFO L78 Accepts]: Start accepts. Automaton has 22351 states and 61523 transitions. Word has length 199 [2022-01-18 00:56:04,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:56:04,626 INFO L470 AbstractCegarLoop]: Abstraction has 22351 states and 61523 transitions. [2022-01-18 00:56:04,626 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) [2022-01-18 00:56:04,626 INFO L276 IsEmpty]: Start isEmpty. Operand 22351 states and 61523 transitions. [2022-01-18 00:56:04,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:56:04,669 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:56:04,669 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] [2022-01-18 00:56:04,669 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-01-18 00:56:04,669 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:56:04,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:56:04,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1169599549, now seen corresponding path program 18 times [2022-01-18 00:56:04,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:56:04,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754913002] [2022-01-18 00:56:04,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:56:04,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:56:04,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:56:05,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:56:05,034 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:56:05,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754913002] [2022-01-18 00:56:05,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754913002] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:56:05,034 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:56:05,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:56:05,034 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393938763] [2022-01-18 00:56:05,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:56:05,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:56:05,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:56:05,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:56:05,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:56:05,035 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) [2022-01-18 00:56:07,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:56:07,379 INFO L93 Difference]: Finished difference Result 30824 states and 84229 transitions. [2022-01-18 00:56:07,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-18 00:56:07,380 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 [2022-01-18 00:56:07,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:56:07,428 INFO L225 Difference]: With dead ends: 30824 [2022-01-18 00:56:07,428 INFO L226 Difference]: Without dead ends: 30824 [2022-01-18 00:56:07,429 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 [2022-01-18 00:56:07,429 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, 1.4s IncrementalHoareTripleChecker+Time [2022-01-18 00:56:07,430 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1546 Valid, 18779 Invalid, 4308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4287 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-01-18 00:56:07,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30824 states. [2022-01-18 00:56:07,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30824 to 22463. [2022-01-18 00:56:07,754 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) [2022-01-18 00:56:07,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22463 states to 22463 states and 61875 transitions. [2022-01-18 00:56:07,793 INFO L78 Accepts]: Start accepts. Automaton has 22463 states and 61875 transitions. Word has length 199 [2022-01-18 00:56:07,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:56:07,793 INFO L470 AbstractCegarLoop]: Abstraction has 22463 states and 61875 transitions. [2022-01-18 00:56:07,793 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) [2022-01-18 00:56:07,793 INFO L276 IsEmpty]: Start isEmpty. Operand 22463 states and 61875 transitions. [2022-01-18 00:56:07,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:56:07,818 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:56:07,818 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] [2022-01-18 00:56:07,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-01-18 00:56:07,819 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:56:07,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:56:07,819 INFO L85 PathProgramCache]: Analyzing trace with hash -852198493, now seen corresponding path program 19 times [2022-01-18 00:56:07,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:56:07,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975664671] [2022-01-18 00:56:07,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:56:07,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:56:07,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:56:08,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:56:08,170 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:56:08,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975664671] [2022-01-18 00:56:08,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975664671] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:56:08,170 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:56:08,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:56:08,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770222518] [2022-01-18 00:56:08,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:56:08,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:56:08,171 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:56:08,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:56:08,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:56:08,171 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) [2022-01-18 00:56:10,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:56:10,565 INFO L93 Difference]: Finished difference Result 30618 states and 83846 transitions. [2022-01-18 00:56:10,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-18 00:56:10,565 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 [2022-01-18 00:56:10,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:56:10,614 INFO L225 Difference]: With dead ends: 30618 [2022-01-18 00:56:10,614 INFO L226 Difference]: Without dead ends: 30618 [2022-01-18 00:56:10,615 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 895 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=584, Invalid=4528, Unknown=0, NotChecked=0, Total=5112 [2022-01-18 00:56:10,615 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, 1.4s IncrementalHoareTripleChecker+Time [2022-01-18 00:56:10,615 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1547 Valid, 19568 Invalid, 4322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4301 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-01-18 00:56:10,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30618 states. [2022-01-18 00:56:10,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30618 to 22399. [2022-01-18 00:56:10,937 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) [2022-01-18 00:56:10,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22399 states to 22399 states and 61667 transitions. [2022-01-18 00:56:10,977 INFO L78 Accepts]: Start accepts. Automaton has 22399 states and 61667 transitions. Word has length 199 [2022-01-18 00:56:10,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:56:10,977 INFO L470 AbstractCegarLoop]: Abstraction has 22399 states and 61667 transitions. [2022-01-18 00:56:10,977 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) [2022-01-18 00:56:10,978 INFO L276 IsEmpty]: Start isEmpty. Operand 22399 states and 61667 transitions. [2022-01-18 00:56:11,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:56:11,003 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:56:11,003 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] [2022-01-18 00:56:11,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-01-18 00:56:11,004 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:56:11,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:56:11,004 INFO L85 PathProgramCache]: Analyzing trace with hash -502744609, now seen corresponding path program 20 times [2022-01-18 00:56:11,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:56:11,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707832011] [2022-01-18 00:56:11,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:56:11,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:56:11,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:56:11,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:56:11,352 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:56:11,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707832011] [2022-01-18 00:56:11,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707832011] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:56:11,352 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:56:11,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:56:11,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132443508] [2022-01-18 00:56:11,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:56:11,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:56:11,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:56:11,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:56:11,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:56:11,356 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) [2022-01-18 00:56:13,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:56:13,591 INFO L93 Difference]: Finished difference Result 28088 states and 76925 transitions. [2022-01-18 00:56:13,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-18 00:56:13,591 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 [2022-01-18 00:56:13,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:56:13,635 INFO L225 Difference]: With dead ends: 28088 [2022-01-18 00:56:13,636 INFO L226 Difference]: Without dead ends: 28088 [2022-01-18 00:56:13,636 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 742 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=533, Invalid=4023, Unknown=0, NotChecked=0, Total=4556 [2022-01-18 00:56:13,636 INFO L933 BasicCegarLoop]: 823 mSDtfsCounter, 1395 mSDsluCounter, 17565 mSDsCounter, 0 mSdLazyCounter, 4046 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.3s IncrementalHoareTripleChecker+Time [2022-01-18 00:56:13,637 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1395 Valid, 18236 Invalid, 4065 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4046 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-01-18 00:56:13,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28088 states. [2022-01-18 00:56:13,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28088 to 22351. [2022-01-18 00:56:13,940 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) [2022-01-18 00:56:13,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22351 states to 22351 states and 61523 transitions. [2022-01-18 00:56:13,978 INFO L78 Accepts]: Start accepts. Automaton has 22351 states and 61523 transitions. Word has length 199 [2022-01-18 00:56:13,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:56:13,979 INFO L470 AbstractCegarLoop]: Abstraction has 22351 states and 61523 transitions. [2022-01-18 00:56:13,979 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) [2022-01-18 00:56:13,979 INFO L276 IsEmpty]: Start isEmpty. Operand 22351 states and 61523 transitions. [2022-01-18 00:56:14,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:56:14,004 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:56:14,004 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] [2022-01-18 00:56:14,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-01-18 00:56:14,004 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:56:14,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:56:14,005 INFO L85 PathProgramCache]: Analyzing trace with hash -409342909, now seen corresponding path program 21 times [2022-01-18 00:56:14,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:56:14,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229466453] [2022-01-18 00:56:14,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:56:14,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:56:14,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:56:14,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:56:14,356 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:56:14,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229466453] [2022-01-18 00:56:14,356 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229466453] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:56:14,356 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:56:14,356 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:56:14,356 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465131931] [2022-01-18 00:56:14,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:56:14,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:56:14,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:56:14,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:56:14,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:56:14,358 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) [2022-01-18 00:56:16,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:56:16,936 INFO L93 Difference]: Finished difference Result 34870 states and 95105 transitions. [2022-01-18 00:56:16,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-18 00:56:16,936 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 [2022-01-18 00:56:16,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:56:16,998 INFO L225 Difference]: With dead ends: 34870 [2022-01-18 00:56:16,999 INFO L226 Difference]: Without dead ends: 34870 [2022-01-18 00:56:16,999 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 [2022-01-18 00:56:17,000 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 [2022-01-18 00:56:17,000 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] [2022-01-18 00:56:17,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34870 states. [2022-01-18 00:56:17,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34870 to 22479. [2022-01-18 00:56:17,380 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) [2022-01-18 00:56:17,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22479 states to 22479 states and 61923 transitions. [2022-01-18 00:56:17,419 INFO L78 Accepts]: Start accepts. Automaton has 22479 states and 61923 transitions. Word has length 199 [2022-01-18 00:56:17,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:56:17,419 INFO L470 AbstractCegarLoop]: Abstraction has 22479 states and 61923 transitions. [2022-01-18 00:56:17,419 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) [2022-01-18 00:56:17,419 INFO L276 IsEmpty]: Start isEmpty. Operand 22479 states and 61923 transitions. [2022-01-18 00:56:17,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:56:17,444 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:56:17,445 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] [2022-01-18 00:56:17,445 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-01-18 00:56:17,445 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:56:17,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:56:17,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1863826345, now seen corresponding path program 22 times [2022-01-18 00:56:17,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:56:17,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067723507] [2022-01-18 00:56:17,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:56:17,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:56:17,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:56:17,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:56:17,763 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:56:17,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067723507] [2022-01-18 00:56:17,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067723507] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:56:17,763 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:56:17,763 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:56:17,763 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818826960] [2022-01-18 00:56:17,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:56:17,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:56:17,763 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:56:17,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:56:17,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:56:17,764 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) [2022-01-18 00:56:20,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:56:20,422 INFO L93 Difference]: Finished difference Result 34493 states and 94284 transitions. [2022-01-18 00:56:20,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-18 00:56:20,422 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 [2022-01-18 00:56:20,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:56:20,478 INFO L225 Difference]: With dead ends: 34493 [2022-01-18 00:56:20,478 INFO L226 Difference]: Without dead ends: 34493 [2022-01-18 00:56:20,479 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1120 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=640, Invalid=5212, Unknown=0, NotChecked=0, Total=5852 [2022-01-18 00:56:20,479 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, 1.5s IncrementalHoareTripleChecker+Time [2022-01-18 00:56:20,479 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1709 Valid, 21358 Invalid, 4595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4574 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-18 00:56:20,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34493 states. [2022-01-18 00:56:20,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34493 to 22415. [2022-01-18 00:56:20,845 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) [2022-01-18 00:56:20,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22415 states to 22415 states and 61715 transitions. [2022-01-18 00:56:20,887 INFO L78 Accepts]: Start accepts. Automaton has 22415 states and 61715 transitions. Word has length 199 [2022-01-18 00:56:20,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:56:20,888 INFO L470 AbstractCegarLoop]: Abstraction has 22415 states and 61715 transitions. [2022-01-18 00:56:20,888 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) [2022-01-18 00:56:20,888 INFO L276 IsEmpty]: Start isEmpty. Operand 22415 states and 61715 transitions. [2022-01-18 00:56:20,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:56:20,915 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:56:20,915 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] [2022-01-18 00:56:20,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-01-18 00:56:20,915 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:56:20,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:56:20,915 INFO L85 PathProgramCache]: Analyzing trace with hash -2081687067, now seen corresponding path program 23 times [2022-01-18 00:56:20,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:56:20,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469315843] [2022-01-18 00:56:20,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:56:20,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:56:20,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:56:21,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:56:21,294 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:56:21,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469315843] [2022-01-18 00:56:21,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469315843] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:56:21,294 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:56:21,294 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:56:21,294 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193798215] [2022-01-18 00:56:21,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:56:21,295 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:56:21,295 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:56:21,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:56:21,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:56:21,295 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) [2022-01-18 00:56:23,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:56:23,749 INFO L93 Difference]: Finished difference Result 31392 states and 85919 transitions. [2022-01-18 00:56:23,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-01-18 00:56:23,750 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 [2022-01-18 00:56:23,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:56:23,799 INFO L225 Difference]: With dead ends: 31392 [2022-01-18 00:56:23,799 INFO L226 Difference]: Without dead ends: 31392 [2022-01-18 00:56:23,800 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 860 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=563, Invalid=4407, Unknown=0, NotChecked=0, Total=4970 [2022-01-18 00:56:23,801 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 [2022-01-18 00:56:23,801 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] [2022-01-18 00:56:23,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31392 states. [2022-01-18 00:56:24,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31392 to 22367. [2022-01-18 00:56:24,129 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) [2022-01-18 00:56:24,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22367 states to 22367 states and 61571 transitions. [2022-01-18 00:56:24,170 INFO L78 Accepts]: Start accepts. Automaton has 22367 states and 61571 transitions. Word has length 199 [2022-01-18 00:56:24,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:56:24,170 INFO L470 AbstractCegarLoop]: Abstraction has 22367 states and 61571 transitions. [2022-01-18 00:56:24,170 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) [2022-01-18 00:56:24,170 INFO L276 IsEmpty]: Start isEmpty. Operand 22367 states and 61571 transitions. [2022-01-18 00:56:24,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:56:24,196 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:56:24,196 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] [2022-01-18 00:56:24,196 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-01-18 00:56:24,196 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:56:24,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:56:24,197 INFO L85 PathProgramCache]: Analyzing trace with hash -1079315087, now seen corresponding path program 24 times [2022-01-18 00:56:24,197 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:56:24,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594370144] [2022-01-18 00:56:24,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:56:24,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:56:24,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:56:24,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:56:24,524 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:56:24,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594370144] [2022-01-18 00:56:24,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594370144] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:56:24,524 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:56:24,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:56:24,524 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674467177] [2022-01-18 00:56:24,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:56:24,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:56:24,524 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:56:24,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:56:24,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:56:24,525 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) [2022-01-18 00:56:26,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:56:26,926 INFO L93 Difference]: Finished difference Result 32126 states and 87613 transitions. [2022-01-18 00:56:26,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-01-18 00:56:26,926 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 [2022-01-18 00:56:26,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:56:26,976 INFO L225 Difference]: With dead ends: 32126 [2022-01-18 00:56:26,976 INFO L226 Difference]: Without dead ends: 32126 [2022-01-18 00:56:26,977 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 [2022-01-18 00:56:26,978 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, 1.4s IncrementalHoareTripleChecker+Time [2022-01-18 00:56:26,978 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1542 Valid, 20780 Invalid, 4280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4261 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-01-18 00:56:27,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32126 states. [2022-01-18 00:56:27,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32126 to 22351. [2022-01-18 00:56:27,299 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) [2022-01-18 00:56:27,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22351 states to 22351 states and 61523 transitions. [2022-01-18 00:56:27,337 INFO L78 Accepts]: Start accepts. Automaton has 22351 states and 61523 transitions. Word has length 199 [2022-01-18 00:56:27,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:56:27,337 INFO L470 AbstractCegarLoop]: Abstraction has 22351 states and 61523 transitions. [2022-01-18 00:56:27,337 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) [2022-01-18 00:56:27,337 INFO L276 IsEmpty]: Start isEmpty. Operand 22351 states and 61523 transitions. [2022-01-18 00:56:27,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:56:27,364 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:56:27,364 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] [2022-01-18 00:56:27,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-01-18 00:56:27,364 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:56:27,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:56:27,364 INFO L85 PathProgramCache]: Analyzing trace with hash -46187899, now seen corresponding path program 25 times [2022-01-18 00:56:27,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:56:27,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251840493] [2022-01-18 00:56:27,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:56:27,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:56:27,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:56:27,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:56:27,705 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:56:27,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251840493] [2022-01-18 00:56:27,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251840493] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:56:27,706 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:56:27,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:56:27,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288105972] [2022-01-18 00:56:27,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:56:27,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:56:27,706 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:56:27,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:56:27,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:56:27,706 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) [2022-01-18 00:56:30,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:56:30,738 INFO L93 Difference]: Finished difference Result 39735 states and 108146 transitions. [2022-01-18 00:56:30,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-01-18 00:56:30,738 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 [2022-01-18 00:56:30,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:56:30,804 INFO L225 Difference]: With dead ends: 39735 [2022-01-18 00:56:30,804 INFO L226 Difference]: Without dead ends: 39735 [2022-01-18 00:56:30,805 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1149 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=684, Invalid=5322, Unknown=0, NotChecked=0, Total=6006 [2022-01-18 00:56:30,805 INFO L933 BasicCegarLoop]: 1006 mSDtfsCounter, 1973 mSDsluCounter, 22285 mSDsCounter, 0 mSdLazyCounter, 5160 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 00:56:30,806 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1973 Valid, 22927 Invalid, 5181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 5160 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 00:56:30,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39735 states. [2022-01-18 00:56:31,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39735 to 22703. [2022-01-18 00:56:31,259 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) [2022-01-18 00:56:31,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22703 states to 22703 states and 62595 transitions. [2022-01-18 00:56:31,303 INFO L78 Accepts]: Start accepts. Automaton has 22703 states and 62595 transitions. Word has length 199 [2022-01-18 00:56:31,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:56:31,303 INFO L470 AbstractCegarLoop]: Abstraction has 22703 states and 62595 transitions. [2022-01-18 00:56:31,303 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) [2022-01-18 00:56:31,303 INFO L276 IsEmpty]: Start isEmpty. Operand 22703 states and 62595 transitions. [2022-01-18 00:56:31,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:56:31,331 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:56:31,331 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] [2022-01-18 00:56:31,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-01-18 00:56:31,331 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:56:31,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:56:31,332 INFO L85 PathProgramCache]: Analyzing trace with hash -2067985941, now seen corresponding path program 26 times [2022-01-18 00:56:31,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:56:31,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241382039] [2022-01-18 00:56:31,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:56:31,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:56:31,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:56:31,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:56:31,672 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:56:31,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241382039] [2022-01-18 00:56:31,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241382039] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:56:31,672 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:56:31,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:56:31,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317910721] [2022-01-18 00:56:31,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:56:31,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:56:31,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:56:31,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:56:31,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:56:31,673 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) [2022-01-18 00:56:34,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:56:34,631 INFO L93 Difference]: Finished difference Result 38036 states and 103866 transitions. [2022-01-18 00:56:34,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-01-18 00:56:34,632 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 [2022-01-18 00:56:34,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:56:34,698 INFO L225 Difference]: With dead ends: 38036 [2022-01-18 00:56:34,698 INFO L226 Difference]: Without dead ends: 38036 [2022-01-18 00:56:34,699 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1265 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=683, Invalid=5637, Unknown=0, NotChecked=0, Total=6320 [2022-01-18 00:56:34,699 INFO L933 BasicCegarLoop]: 1008 mSDtfsCounter, 1877 mSDsluCounter, 22141 mSDsCounter, 0 mSdLazyCounter, 4897 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 00:56:34,699 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1877 Valid, 22872 Invalid, 4918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4897 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 00:56:34,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38036 states. [2022-01-18 00:56:35,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38036 to 22639. [2022-01-18 00:56:35,154 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) [2022-01-18 00:56:35,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22639 states to 22639 states and 62387 transitions. [2022-01-18 00:56:35,198 INFO L78 Accepts]: Start accepts. Automaton has 22639 states and 62387 transitions. Word has length 199 [2022-01-18 00:56:35,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:56:35,198 INFO L470 AbstractCegarLoop]: Abstraction has 22639 states and 62387 transitions. [2022-01-18 00:56:35,198 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) [2022-01-18 00:56:35,198 INFO L276 IsEmpty]: Start isEmpty. Operand 22639 states and 62387 transitions. [2022-01-18 00:56:35,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:56:35,226 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:56:35,226 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] [2022-01-18 00:56:35,226 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-01-18 00:56:35,226 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:56:35,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:56:35,226 INFO L85 PathProgramCache]: Analyzing trace with hash -144848571, now seen corresponding path program 27 times [2022-01-18 00:56:35,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:56:35,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989126769] [2022-01-18 00:56:35,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:56:35,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:56:35,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:56:35,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:56:35,582 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:56:35,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989126769] [2022-01-18 00:56:35,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989126769] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:56:35,582 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:56:35,582 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:56:35,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058233623] [2022-01-18 00:56:35,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:56:35,583 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:56:35,583 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:56:35,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:56:35,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:56:35,583 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) [2022-01-18 00:56:38,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:56:38,449 INFO L93 Difference]: Finished difference Result 36907 states and 100963 transitions. [2022-01-18 00:56:38,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-18 00:56:38,450 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 [2022-01-18 00:56:38,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:56:38,507 INFO L225 Difference]: With dead ends: 36907 [2022-01-18 00:56:38,507 INFO L226 Difference]: Without dead ends: 36907 [2022-01-18 00:56:38,507 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1030 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=612, Invalid=4938, Unknown=0, NotChecked=0, Total=5550 [2022-01-18 00:56:38,508 INFO L933 BasicCegarLoop]: 1005 mSDtfsCounter, 1675 mSDsluCounter, 21831 mSDsCounter, 0 mSdLazyCounter, 4834 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 00:56:38,508 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1675 Valid, 22570 Invalid, 4853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4834 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 00:56:38,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36907 states. [2022-01-18 00:56:38,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36907 to 22591. [2022-01-18 00:56:38,867 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) [2022-01-18 00:56:38,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22591 states to 22591 states and 62243 transitions. [2022-01-18 00:56:38,907 INFO L78 Accepts]: Start accepts. Automaton has 22591 states and 62243 transitions. Word has length 199 [2022-01-18 00:56:38,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:56:38,907 INFO L470 AbstractCegarLoop]: Abstraction has 22591 states and 62243 transitions. [2022-01-18 00:56:38,907 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) [2022-01-18 00:56:38,907 INFO L276 IsEmpty]: Start isEmpty. Operand 22591 states and 62243 transitions. [2022-01-18 00:56:38,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:56:38,934 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:56:38,934 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] [2022-01-18 00:56:38,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-01-18 00:56:38,934 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:56:38,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:56:38,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1456438329, now seen corresponding path program 28 times [2022-01-18 00:56:38,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:56:38,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254055507] [2022-01-18 00:56:38,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:56:38,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:56:38,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:56:39,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:56:39,245 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:56:39,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254055507] [2022-01-18 00:56:39,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254055507] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:56:39,245 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:56:39,246 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:56:39,246 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116018486] [2022-01-18 00:56:39,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:56:39,246 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:56:39,246 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:56:39,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:56:39,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:56:39,247 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) [2022-01-18 00:56:41,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:56:41,871 INFO L93 Difference]: Finished difference Result 38265 states and 104355 transitions. [2022-01-18 00:56:41,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-18 00:56:41,871 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 [2022-01-18 00:56:41,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:56:41,934 INFO L225 Difference]: With dead ends: 38265 [2022-01-18 00:56:41,935 INFO L226 Difference]: Without dead ends: 38265 [2022-01-18 00:56:41,935 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 [2022-01-18 00:56:41,936 INFO L933 BasicCegarLoop]: 1018 mSDtfsCounter, 1731 mSDsluCounter, 22149 mSDsCounter, 0 mSdLazyCounter, 4751 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.5s IncrementalHoareTripleChecker+Time [2022-01-18 00:56:41,936 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1731 Valid, 22898 Invalid, 4770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4751 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-18 00:56:41,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38265 states. [2022-01-18 00:56:42,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38265 to 22575. [2022-01-18 00:56:42,323 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) [2022-01-18 00:56:42,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22575 states to 22575 states and 62195 transitions. [2022-01-18 00:56:42,363 INFO L78 Accepts]: Start accepts. Automaton has 22575 states and 62195 transitions. Word has length 199 [2022-01-18 00:56:42,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:56:42,363 INFO L470 AbstractCegarLoop]: Abstraction has 22575 states and 62195 transitions. [2022-01-18 00:56:42,363 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) [2022-01-18 00:56:42,363 INFO L276 IsEmpty]: Start isEmpty. Operand 22575 states and 62195 transitions. [2022-01-18 00:56:42,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:56:42,388 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:56:42,389 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] [2022-01-18 00:56:42,389 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-01-18 00:56:42,389 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:56:42,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:56:42,389 INFO L85 PathProgramCache]: Analyzing trace with hash 855207011, now seen corresponding path program 29 times [2022-01-18 00:56:42,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:56:42,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908892645] [2022-01-18 00:56:42,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:56:42,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:56:42,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:56:42,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:56:42,703 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:56:42,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908892645] [2022-01-18 00:56:42,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908892645] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:56:42,703 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:56:42,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:56:42,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957055896] [2022-01-18 00:56:42,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:56:42,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:56:42,703 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:56:42,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:56:42,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:56:42,704 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) [2022-01-18 00:56:45,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:56:45,335 INFO L93 Difference]: Finished difference Result 39508 states and 107527 transitions. [2022-01-18 00:56:45,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-18 00:56:45,335 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 [2022-01-18 00:56:45,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:56:45,399 INFO L225 Difference]: With dead ends: 39508 [2022-01-18 00:56:45,399 INFO L226 Difference]: Without dead ends: 39508 [2022-01-18 00:56:45,400 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1034 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=601, Invalid=4949, Unknown=0, NotChecked=0, Total=5550 [2022-01-18 00:56:45,400 INFO L933 BasicCegarLoop]: 1055 mSDtfsCounter, 1701 mSDsluCounter, 22975 mSDsCounter, 0 mSdLazyCounter, 4742 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.5s IncrementalHoareTripleChecker+Time [2022-01-18 00:56:45,400 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1701 Valid, 23740 Invalid, 4761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4742 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-18 00:56:45,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39508 states. [2022-01-18 00:56:45,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39508 to 22367. [2022-01-18 00:56:45,777 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) [2022-01-18 00:56:45,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22367 states to 22367 states and 61571 transitions. [2022-01-18 00:56:45,815 INFO L78 Accepts]: Start accepts. Automaton has 22367 states and 61571 transitions. Word has length 199 [2022-01-18 00:56:45,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:56:45,815 INFO L470 AbstractCegarLoop]: Abstraction has 22367 states and 61571 transitions. [2022-01-18 00:56:45,816 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) [2022-01-18 00:56:45,816 INFO L276 IsEmpty]: Start isEmpty. Operand 22367 states and 61571 transitions. [2022-01-18 00:56:45,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:56:45,840 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:56:45,841 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] [2022-01-18 00:56:45,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-01-18 00:56:45,841 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:56:45,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:56:45,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1509746783, now seen corresponding path program 30 times [2022-01-18 00:56:45,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:56:45,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330063643] [2022-01-18 00:56:45,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:56:45,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:56:45,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:56:46,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:56:46,196 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:56:46,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330063643] [2022-01-18 00:56:46,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330063643] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:56:46,197 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:56:46,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:56:46,197 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848988977] [2022-01-18 00:56:46,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:56:46,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:56:46,197 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:56:46,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:56:46,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:56:46,197 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) [2022-01-18 00:56:48,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:56:48,674 INFO L93 Difference]: Finished difference Result 35077 states and 95419 transitions. [2022-01-18 00:56:48,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-01-18 00:56:48,675 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 [2022-01-18 00:56:48,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:56:48,732 INFO L225 Difference]: With dead ends: 35077 [2022-01-18 00:56:48,732 INFO L226 Difference]: Without dead ends: 35077 [2022-01-18 00:56:48,733 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 908 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=561, Invalid=4551, Unknown=0, NotChecked=0, Total=5112 [2022-01-18 00:56:48,733 INFO L933 BasicCegarLoop]: 1011 mSDtfsCounter, 1658 mSDsluCounter, 22019 mSDsCounter, 0 mSdLazyCounter, 4458 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.5s IncrementalHoareTripleChecker+Time [2022-01-18 00:56:48,734 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1658 Valid, 22741 Invalid, 4477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4458 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-18 00:56:48,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35077 states. [2022-01-18 00:56:49,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35077 to 22351. [2022-01-18 00:56:49,078 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) [2022-01-18 00:56:49,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22351 states to 22351 states and 61523 transitions. [2022-01-18 00:56:49,117 INFO L78 Accepts]: Start accepts. Automaton has 22351 states and 61523 transitions. Word has length 199 [2022-01-18 00:56:49,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:56:49,118 INFO L470 AbstractCegarLoop]: Abstraction has 22351 states and 61523 transitions. [2022-01-18 00:56:49,118 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) [2022-01-18 00:56:49,118 INFO L276 IsEmpty]: Start isEmpty. Operand 22351 states and 61523 transitions. [2022-01-18 00:56:49,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:56:49,143 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:56:49,143 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] [2022-01-18 00:56:49,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-01-18 00:56:49,143 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:56:49,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:56:49,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1890066857, now seen corresponding path program 31 times [2022-01-18 00:56:49,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:56:49,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674518383] [2022-01-18 00:56:49,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:56:49,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:56:49,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:56:49,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:56:49,447 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:56:49,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674518383] [2022-01-18 00:56:49,447 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674518383] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:56:49,447 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:56:49,447 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:56:49,447 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707021159] [2022-01-18 00:56:49,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:56:49,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:56:49,447 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:56:49,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:56:49,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:56:49,448 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) [2022-01-18 00:56:52,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:56:52,373 INFO L93 Difference]: Finished difference Result 40282 states and 109626 transitions. [2022-01-18 00:56:52,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-01-18 00:56:52,373 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 [2022-01-18 00:56:52,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:56:52,437 INFO L225 Difference]: With dead ends: 40282 [2022-01-18 00:56:52,437 INFO L226 Difference]: Without dead ends: 40282 [2022-01-18 00:56:52,438 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 [2022-01-18 00:56:52,438 INFO L933 BasicCegarLoop]: 1049 mSDtfsCounter, 2101 mSDsluCounter, 23294 mSDsCounter, 0 mSdLazyCounter, 5103 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 00:56:52,438 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2101 Valid, 23936 Invalid, 5124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 5103 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 00:56:52,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40282 states. [2022-01-18 00:56:52,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40282 to 22751. [2022-01-18 00:56:52,820 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) [2022-01-18 00:56:52,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22751 states to 22751 states and 62739 transitions. [2022-01-18 00:56:52,859 INFO L78 Accepts]: Start accepts. Automaton has 22751 states and 62739 transitions. Word has length 199 [2022-01-18 00:56:52,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:56:52,859 INFO L470 AbstractCegarLoop]: Abstraction has 22751 states and 62739 transitions. [2022-01-18 00:56:52,859 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) [2022-01-18 00:56:52,860 INFO L276 IsEmpty]: Start isEmpty. Operand 22751 states and 62739 transitions. [2022-01-18 00:56:52,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:56:52,885 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:56:52,885 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] [2022-01-18 00:56:52,885 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-01-18 00:56:52,885 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:56:52,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:56:52,886 INFO L85 PathProgramCache]: Analyzing trace with hash 383102397, now seen corresponding path program 32 times [2022-01-18 00:56:52,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:56:52,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949902106] [2022-01-18 00:56:52,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:56:52,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:56:52,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:56:53,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:56:53,212 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:56:53,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949902106] [2022-01-18 00:56:53,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949902106] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:56:53,212 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:56:53,212 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:56:53,213 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620095317] [2022-01-18 00:56:53,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:56:53,213 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:56:53,213 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:56:53,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:56:53,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:56:53,214 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) [2022-01-18 00:56:56,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:56:56,032 INFO L93 Difference]: Finished difference Result 38395 states and 104854 transitions. [2022-01-18 00:56:56,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-01-18 00:56:56,032 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 [2022-01-18 00:56:56,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:56:56,096 INFO L225 Difference]: With dead ends: 38395 [2022-01-18 00:56:56,096 INFO L226 Difference]: Without dead ends: 38395 [2022-01-18 00:56:56,097 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 [2022-01-18 00:56:56,097 INFO L933 BasicCegarLoop]: 1032 mSDtfsCounter, 1966 mSDsluCounter, 22763 mSDsCounter, 0 mSdLazyCounter, 4839 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 00:56:56,098 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1966 Valid, 23493 Invalid, 4860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4839 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 00:56:56,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38395 states. [2022-01-18 00:56:56,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38395 to 22687. [2022-01-18 00:56:56,473 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) [2022-01-18 00:56:56,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22687 states to 22687 states and 62531 transitions. [2022-01-18 00:56:56,512 INFO L78 Accepts]: Start accepts. Automaton has 22687 states and 62531 transitions. Word has length 199 [2022-01-18 00:56:56,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:56:56,513 INFO L470 AbstractCegarLoop]: Abstraction has 22687 states and 62531 transitions. [2022-01-18 00:56:56,513 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) [2022-01-18 00:56:56,513 INFO L276 IsEmpty]: Start isEmpty. Operand 22687 states and 62531 transitions. [2022-01-18 00:56:56,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:56:56,538 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:56:56,539 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] [2022-01-18 00:56:56,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-01-18 00:56:56,539 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:56:56,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:56:56,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1988727529, now seen corresponding path program 33 times [2022-01-18 00:56:56,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:56:56,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019261772] [2022-01-18 00:56:56,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:56:56,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:56:56,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:56:56,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:56:56,922 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:56:56,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019261772] [2022-01-18 00:56:56,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019261772] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:56:56,922 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:56:56,922 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:56:56,922 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038361417] [2022-01-18 00:56:56,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:56:56,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:56:56,923 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:56:56,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:56:56,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:56:56,923 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) [2022-01-18 00:56:59,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:56:59,693 INFO L93 Difference]: Finished difference Result 37266 states and 101951 transitions. [2022-01-18 00:56:59,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 00:56:59,693 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 [2022-01-18 00:56:59,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:56:59,752 INFO L225 Difference]: With dead ends: 37266 [2022-01-18 00:56:59,752 INFO L226 Difference]: Without dead ends: 37266 [2022-01-18 00:56:59,753 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1075 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=629, Invalid=5071, Unknown=0, NotChecked=0, Total=5700 [2022-01-18 00:56:59,753 INFO L933 BasicCegarLoop]: 1029 mSDtfsCounter, 1764 mSDsluCounter, 22363 mSDsCounter, 0 mSdLazyCounter, 4775 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 00:56:59,754 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1764 Valid, 23105 Invalid, 4794 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4775 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 00:56:59,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37266 states. [2022-01-18 00:57:00,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37266 to 22639. [2022-01-18 00:57:00,121 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) [2022-01-18 00:57:00,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22639 states to 22639 states and 62387 transitions. [2022-01-18 00:57:00,160 INFO L78 Accepts]: Start accepts. Automaton has 22639 states and 62387 transitions. Word has length 199 [2022-01-18 00:57:00,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:57:00,160 INFO L470 AbstractCegarLoop]: Abstraction has 22639 states and 62387 transitions. [2022-01-18 00:57:00,160 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) [2022-01-18 00:57:00,160 INFO L276 IsEmpty]: Start isEmpty. Operand 22639 states and 62387 transitions. [2022-01-18 00:57:00,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:57:00,186 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:57:00,186 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] [2022-01-18 00:57:00,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-01-18 00:57:00,186 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:57:00,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:57:00,186 INFO L85 PathProgramCache]: Analyzing trace with hash -387440629, now seen corresponding path program 34 times [2022-01-18 00:57:00,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:57:00,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276195450] [2022-01-18 00:57:00,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:57:00,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:57:00,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:57:00,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:57:00,506 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:57:00,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276195450] [2022-01-18 00:57:00,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276195450] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:57:00,506 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:57:00,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:57:00,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526861193] [2022-01-18 00:57:00,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:57:00,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:57:00,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:57:00,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:57:00,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:57:00,507 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) [2022-01-18 00:57:03,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:57:03,217 INFO L93 Difference]: Finished difference Result 38624 states and 105343 transitions. [2022-01-18 00:57:03,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 00:57:03,217 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 [2022-01-18 00:57:03,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:57:03,284 INFO L225 Difference]: With dead ends: 38624 [2022-01-18 00:57:03,284 INFO L226 Difference]: Without dead ends: 38624 [2022-01-18 00:57:03,285 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1076 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=626, Invalid=5074, Unknown=0, NotChecked=0, Total=5700 [2022-01-18 00:57:03,285 INFO L933 BasicCegarLoop]: 1042 mSDtfsCounter, 1820 mSDsluCounter, 22664 mSDsCounter, 0 mSdLazyCounter, 4699 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.5s IncrementalHoareTripleChecker+Time [2022-01-18 00:57:03,285 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1820 Valid, 23416 Invalid, 4718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4699 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-18 00:57:03,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38624 states. [2022-01-18 00:57:03,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38624 to 22623. [2022-01-18 00:57:03,673 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) [2022-01-18 00:57:03,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22623 states to 22623 states and 62339 transitions. [2022-01-18 00:57:03,713 INFO L78 Accepts]: Start accepts. Automaton has 22623 states and 62339 transitions. Word has length 199 [2022-01-18 00:57:03,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:57:03,713 INFO L470 AbstractCegarLoop]: Abstraction has 22623 states and 62339 transitions. [2022-01-18 00:57:03,713 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) [2022-01-18 00:57:03,713 INFO L276 IsEmpty]: Start isEmpty. Operand 22623 states and 62339 transitions. [2022-01-18 00:57:03,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:57:03,739 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:57:03,739 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] [2022-01-18 00:57:03,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-01-18 00:57:03,739 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:57:03,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:57:03,739 INFO L85 PathProgramCache]: Analyzing trace with hash -988671947, now seen corresponding path program 35 times [2022-01-18 00:57:03,739 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:57:03,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849426228] [2022-01-18 00:57:03,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:57:03,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:57:03,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:57:04,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:57:04,079 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:57:04,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849426228] [2022-01-18 00:57:04,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849426228] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:57:04,079 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:57:04,079 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:57:04,080 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958912166] [2022-01-18 00:57:04,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:57:04,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:57:04,080 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:57:04,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:57:04,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:57:04,085 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) [2022-01-18 00:57:06,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:57:06,770 INFO L93 Difference]: Finished difference Result 39867 states and 108515 transitions. [2022-01-18 00:57:06,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 00:57:06,770 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 [2022-01-18 00:57:06,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:57:06,836 INFO L225 Difference]: With dead ends: 39867 [2022-01-18 00:57:06,836 INFO L226 Difference]: Without dead ends: 39867 [2022-01-18 00:57:06,837 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1077 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=620, Invalid=5080, Unknown=0, NotChecked=0, Total=5700 [2022-01-18 00:57:06,837 INFO L933 BasicCegarLoop]: 1079 mSDtfsCounter, 1790 mSDsluCounter, 23447 mSDsCounter, 0 mSdLazyCounter, 4696 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.5s IncrementalHoareTripleChecker+Time [2022-01-18 00:57:06,837 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1790 Valid, 24216 Invalid, 4715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4696 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-18 00:57:06,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39867 states. [2022-01-18 00:57:07,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39867 to 22415. [2022-01-18 00:57:07,232 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) [2022-01-18 00:57:07,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22415 states to 22415 states and 61715 transitions. [2022-01-18 00:57:07,269 INFO L78 Accepts]: Start accepts. Automaton has 22415 states and 61715 transitions. Word has length 199 [2022-01-18 00:57:07,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:57:07,270 INFO L470 AbstractCegarLoop]: Abstraction has 22415 states and 61715 transitions. [2022-01-18 00:57:07,270 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) [2022-01-18 00:57:07,270 INFO L276 IsEmpty]: Start isEmpty. Operand 22415 states and 61715 transitions. [2022-01-18 00:57:07,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:57:07,295 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:57:07,295 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] [2022-01-18 00:57:07,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-01-18 00:57:07,295 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:57:07,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:57:07,295 INFO L85 PathProgramCache]: Analyzing trace with hash 941341555, now seen corresponding path program 36 times [2022-01-18 00:57:07,295 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:57:07,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892488475] [2022-01-18 00:57:07,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:57:07,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:57:07,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:57:07,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:57:07,616 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:57:07,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892488475] [2022-01-18 00:57:07,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892488475] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:57:07,616 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:57:07,616 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:57:07,616 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283722135] [2022-01-18 00:57:07,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:57:07,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:57:07,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:57:07,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:57:07,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:57:07,617 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) [2022-01-18 00:57:10,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:57:10,301 INFO L93 Difference]: Finished difference Result 40525 states and 110237 transitions. [2022-01-18 00:57:10,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-18 00:57:10,301 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 [2022-01-18 00:57:10,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:57:10,368 INFO L225 Difference]: With dead ends: 40525 [2022-01-18 00:57:10,368 INFO L226 Difference]: Without dead ends: 40525 [2022-01-18 00:57:10,369 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1034 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=601, Invalid=4949, Unknown=0, NotChecked=0, Total=5550 [2022-01-18 00:57:10,369 INFO L933 BasicCegarLoop]: 1083 mSDtfsCounter, 1769 mSDsluCounter, 23619 mSDsCounter, 0 mSdLazyCounter, 4696 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.5s IncrementalHoareTripleChecker+Time [2022-01-18 00:57:10,370 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1769 Valid, 24391 Invalid, 4715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4696 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-18 00:57:10,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40525 states. [2022-01-18 00:57:10,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40525 to 22399. [2022-01-18 00:57:10,764 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) [2022-01-18 00:57:10,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22399 states to 22399 states and 61667 transitions. [2022-01-18 00:57:10,805 INFO L78 Accepts]: Start accepts. Automaton has 22399 states and 61667 transitions. Word has length 199 [2022-01-18 00:57:10,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:57:10,805 INFO L470 AbstractCegarLoop]: Abstraction has 22399 states and 61667 transitions. [2022-01-18 00:57:10,805 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) [2022-01-18 00:57:10,805 INFO L276 IsEmpty]: Start isEmpty. Operand 22399 states and 61667 transitions. [2022-01-18 00:57:10,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:57:10,831 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:57:10,831 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] [2022-01-18 00:57:10,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-01-18 00:57:10,831 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:57:10,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:57:10,831 INFO L85 PathProgramCache]: Analyzing trace with hash -707584439, now seen corresponding path program 37 times [2022-01-18 00:57:10,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:57:10,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709796555] [2022-01-18 00:57:10,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:57:10,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:57:10,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:57:11,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:57:11,188 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:57:11,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709796555] [2022-01-18 00:57:11,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709796555] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:57:11,189 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:57:11,189 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:57:11,189 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531055270] [2022-01-18 00:57:11,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:57:11,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:57:11,189 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:57:11,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:57:11,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:57:11,189 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) [2022-01-18 00:57:13,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:57:13,731 INFO L93 Difference]: Finished difference Result 35490 states and 96535 transitions. [2022-01-18 00:57:13,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-01-18 00:57:13,732 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 [2022-01-18 00:57:13,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:57:13,784 INFO L225 Difference]: With dead ends: 35490 [2022-01-18 00:57:13,784 INFO L226 Difference]: Without dead ends: 35490 [2022-01-18 00:57:13,784 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 906 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=565, Invalid=4547, Unknown=0, NotChecked=0, Total=5112 [2022-01-18 00:57:13,784 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, 1.4s IncrementalHoareTripleChecker+Time [2022-01-18 00:57:13,785 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1693 Valid, 23287 Invalid, 4269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4250 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-01-18 00:57:13,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35490 states. [2022-01-18 00:57:14,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35490 to 22351. [2022-01-18 00:57:14,107 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) [2022-01-18 00:57:14,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22351 states to 22351 states and 61523 transitions. [2022-01-18 00:57:14,146 INFO L78 Accepts]: Start accepts. Automaton has 22351 states and 61523 transitions. Word has length 199 [2022-01-18 00:57:14,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:57:14,146 INFO L470 AbstractCegarLoop]: Abstraction has 22351 states and 61523 transitions. [2022-01-18 00:57:14,147 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) [2022-01-18 00:57:14,147 INFO L276 IsEmpty]: Start isEmpty. Operand 22351 states and 61523 transitions. [2022-01-18 00:57:14,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:57:14,172 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:57:14,172 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] [2022-01-18 00:57:14,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-01-18 00:57:14,172 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:57:14,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:57:14,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1198885449, now seen corresponding path program 38 times [2022-01-18 00:57:14,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:57:14,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376244880] [2022-01-18 00:57:14,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:57:14,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:57:14,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:57:14,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:57:14,513 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:57:14,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376244880] [2022-01-18 00:57:14,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376244880] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:57:14,513 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:57:14,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:57:14,513 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958932753] [2022-01-18 00:57:14,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:57:14,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:57:14,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:57:14,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:57:14,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:57:14,514 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) [2022-01-18 00:57:17,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:57:17,584 INFO L93 Difference]: Finished difference Result 41047 states and 111676 transitions. [2022-01-18 00:57:17,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-01-18 00:57:17,584 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 [2022-01-18 00:57:17,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:57:17,651 INFO L225 Difference]: With dead ends: 41047 [2022-01-18 00:57:17,651 INFO L226 Difference]: Without dead ends: 41047 [2022-01-18 00:57:17,652 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1473 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=824, Invalid=6316, Unknown=0, NotChecked=0, Total=7140 [2022-01-18 00:57:17,652 INFO L933 BasicCegarLoop]: 1093 mSDtfsCounter, 2260 mSDsluCounter, 24260 mSDsCounter, 0 mSdLazyCounter, 5137 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 00:57:17,652 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2260 Valid, 24905 Invalid, 5158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 5137 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 00:57:17,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41047 states. [2022-01-18 00:57:18,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41047 to 22799. [2022-01-18 00:57:18,036 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) [2022-01-18 00:57:18,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22799 states to 22799 states and 62883 transitions. [2022-01-18 00:57:18,078 INFO L78 Accepts]: Start accepts. Automaton has 22799 states and 62883 transitions. Word has length 199 [2022-01-18 00:57:18,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:57:18,078 INFO L470 AbstractCegarLoop]: Abstraction has 22799 states and 62883 transitions. [2022-01-18 00:57:18,078 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) [2022-01-18 00:57:18,078 INFO L276 IsEmpty]: Start isEmpty. Operand 22799 states and 62883 transitions. [2022-01-18 00:57:18,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:57:18,105 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:57:18,105 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] [2022-01-18 00:57:18,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-01-18 00:57:18,105 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:57:18,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:57:18,106 INFO L85 PathProgramCache]: Analyzing trace with hash -822912593, now seen corresponding path program 39 times [2022-01-18 00:57:18,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:57:18,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165694200] [2022-01-18 00:57:18,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:57:18,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:57:18,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:57:18,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:57:18,473 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:57:18,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165694200] [2022-01-18 00:57:18,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165694200] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:57:18,473 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:57:18,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:57:18,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327141283] [2022-01-18 00:57:18,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:57:18,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:57:18,474 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:57:18,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:57:18,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:57:18,474 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) [2022-01-18 00:57:21,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:57:21,465 INFO L93 Difference]: Finished difference Result 38878 states and 106166 transitions. [2022-01-18 00:57:21,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-01-18 00:57:21,466 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 [2022-01-18 00:57:21,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:57:21,528 INFO L225 Difference]: With dead ends: 38878 [2022-01-18 00:57:21,528 INFO L226 Difference]: Without dead ends: 38878 [2022-01-18 00:57:21,529 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1463 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=758, Invalid=6214, Unknown=0, NotChecked=0, Total=6972 [2022-01-18 00:57:21,529 INFO L933 BasicCegarLoop]: 1056 mSDtfsCounter, 2085 mSDsluCounter, 23345 mSDsCounter, 0 mSdLazyCounter, 4841 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2085 SdHoareTripleChecker+Valid, 24075 SdHoareTripleChecker+Invalid, 4862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 00:57:21,529 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2085 Valid, 24075 Invalid, 4862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4841 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 00:57:21,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38878 states. [2022-01-18 00:57:21,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38878 to 22735. [2022-01-18 00:57:21,904 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) [2022-01-18 00:57:21,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22735 states to 22735 states and 62675 transitions. [2022-01-18 00:57:21,944 INFO L78 Accepts]: Start accepts. Automaton has 22735 states and 62675 transitions. Word has length 199 [2022-01-18 00:57:21,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:57:21,944 INFO L470 AbstractCegarLoop]: Abstraction has 22735 states and 62675 transitions. [2022-01-18 00:57:21,944 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) [2022-01-18 00:57:21,944 INFO L276 IsEmpty]: Start isEmpty. Operand 22735 states and 62675 transitions. [2022-01-18 00:57:21,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:57:21,969 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:57:21,969 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] [2022-01-18 00:57:21,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-01-18 00:57:21,970 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:57:21,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:57:21,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1100224777, now seen corresponding path program 40 times [2022-01-18 00:57:21,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:57:21,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131147980] [2022-01-18 00:57:21,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:57:21,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:57:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:57:22,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:57:22,275 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:57:22,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131147980] [2022-01-18 00:57:22,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131147980] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:57:22,276 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:57:22,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:57:22,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432033111] [2022-01-18 00:57:22,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:57:22,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:57:22,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:57:22,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:57:22,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:57:22,279 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) [2022-01-18 00:57:25,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:57:25,007 INFO L93 Difference]: Finished difference Result 37749 states and 103263 transitions. [2022-01-18 00:57:25,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-01-18 00:57:25,007 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 [2022-01-18 00:57:25,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:57:25,071 INFO L225 Difference]: With dead ends: 37749 [2022-01-18 00:57:25,071 INFO L226 Difference]: Without dead ends: 37749 [2022-01-18 00:57:25,072 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1210 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=679, Invalid=5483, Unknown=0, NotChecked=0, Total=6162 [2022-01-18 00:57:25,072 INFO L933 BasicCegarLoop]: 1053 mSDtfsCounter, 1883 mSDsluCounter, 22855 mSDsCounter, 0 mSdLazyCounter, 4776 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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 [2022-01-18 00:57:25,073 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] [2022-01-18 00:57:25,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37749 states. [2022-01-18 00:57:25,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37749 to 22687. [2022-01-18 00:57:25,446 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) [2022-01-18 00:57:25,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22687 states to 22687 states and 62531 transitions. [2022-01-18 00:57:25,485 INFO L78 Accepts]: Start accepts. Automaton has 22687 states and 62531 transitions. Word has length 199 [2022-01-18 00:57:25,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:57:25,486 INFO L470 AbstractCegarLoop]: Abstraction has 22687 states and 62531 transitions. [2022-01-18 00:57:25,486 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) [2022-01-18 00:57:25,486 INFO L276 IsEmpty]: Start isEmpty. Operand 22687 states and 62531 transitions. [2022-01-18 00:57:25,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:57:25,512 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:57:25,512 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] [2022-01-18 00:57:25,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-01-18 00:57:25,512 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:57:25,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:57:25,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1593455619, now seen corresponding path program 41 times [2022-01-18 00:57:25,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:57:25,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249532809] [2022-01-18 00:57:25,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:57:25,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:57:25,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:57:25,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:57:25,836 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:57:25,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249532809] [2022-01-18 00:57:25,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249532809] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:57:25,836 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:57:25,836 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:57:25,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638047917] [2022-01-18 00:57:25,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:57:25,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:57:25,837 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:57:25,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:57:25,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:57:25,837 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) [2022-01-18 00:57:28,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:57:28,551 INFO L93 Difference]: Finished difference Result 39107 states and 106655 transitions. [2022-01-18 00:57:28,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-01-18 00:57:28,552 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 [2022-01-18 00:57:28,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:57:28,615 INFO L225 Difference]: With dead ends: 39107 [2022-01-18 00:57:28,616 INFO L226 Difference]: Without dead ends: 39107 [2022-01-18 00:57:28,616 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1210 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=677, Invalid=5485, Unknown=0, NotChecked=0, Total=6162 [2022-01-18 00:57:28,617 INFO L933 BasicCegarLoop]: 1066 mSDtfsCounter, 1939 mSDsluCounter, 23141 mSDsCounter, 0 mSdLazyCounter, 4705 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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 [2022-01-18 00:57:28,617 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] [2022-01-18 00:57:28,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39107 states. [2022-01-18 00:57:28,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39107 to 22671. [2022-01-18 00:57:29,002 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) [2022-01-18 00:57:29,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22671 states to 22671 states and 62483 transitions. [2022-01-18 00:57:29,042 INFO L78 Accepts]: Start accepts. Automaton has 22671 states and 62483 transitions. Word has length 199 [2022-01-18 00:57:29,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:57:29,042 INFO L470 AbstractCegarLoop]: Abstraction has 22671 states and 62483 transitions. [2022-01-18 00:57:29,042 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) [2022-01-18 00:57:29,042 INFO L276 IsEmpty]: Start isEmpty. Operand 22671 states and 62483 transitions. [2022-01-18 00:57:29,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:57:29,069 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:57:29,069 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] [2022-01-18 00:57:29,069 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-01-18 00:57:29,069 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:57:29,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:57:29,070 INFO L85 PathProgramCache]: Analyzing trace with hash 2100280359, now seen corresponding path program 42 times [2022-01-18 00:57:29,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:57:29,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932947774] [2022-01-18 00:57:29,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:57:29,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:57:29,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:57:29,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:57:29,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:57:29,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932947774] [2022-01-18 00:57:29,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932947774] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:57:29,396 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:57:29,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:57:29,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694662213] [2022-01-18 00:57:29,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:57:29,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:57:29,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:57:29,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:57:29,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:57:29,397 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) [2022-01-18 00:57:32,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:57:32,138 INFO L93 Difference]: Finished difference Result 40350 states and 109827 transitions. [2022-01-18 00:57:32,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-01-18 00:57:32,138 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 [2022-01-18 00:57:32,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:57:32,204 INFO L225 Difference]: With dead ends: 40350 [2022-01-18 00:57:32,205 INFO L226 Difference]: Without dead ends: 40350 [2022-01-18 00:57:32,206 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1210 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=672, Invalid=5490, Unknown=0, NotChecked=0, Total=6162 [2022-01-18 00:57:32,206 INFO L933 BasicCegarLoop]: 1103 mSDtfsCounter, 1909 mSDsluCounter, 23881 mSDsCounter, 0 mSdLazyCounter, 4708 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.5s IncrementalHoareTripleChecker+Time [2022-01-18 00:57:32,206 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1909 Valid, 24655 Invalid, 4727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4708 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-18 00:57:32,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40350 states. [2022-01-18 00:57:32,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40350 to 22463. [2022-01-18 00:57:32,592 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) [2022-01-18 00:57:32,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22463 states to 22463 states and 61859 transitions. [2022-01-18 00:57:32,632 INFO L78 Accepts]: Start accepts. Automaton has 22463 states and 61859 transitions. Word has length 199 [2022-01-18 00:57:32,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:57:32,633 INFO L470 AbstractCegarLoop]: Abstraction has 22463 states and 61859 transitions. [2022-01-18 00:57:32,633 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) [2022-01-18 00:57:32,633 INFO L276 IsEmpty]: Start isEmpty. Operand 22463 states and 61859 transitions. [2022-01-18 00:57:32,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:57:32,658 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:57:32,659 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] [2022-01-18 00:57:32,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-01-18 00:57:32,659 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:57:32,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:57:32,659 INFO L85 PathProgramCache]: Analyzing trace with hash -264673435, now seen corresponding path program 43 times [2022-01-18 00:57:32,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:57:32,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674902360] [2022-01-18 00:57:32,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:57:32,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:57:32,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:57:32,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:57:32,970 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:57:32,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674902360] [2022-01-18 00:57:32,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674902360] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:57:32,970 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:57:32,970 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:57:32,970 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945529119] [2022-01-18 00:57:32,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:57:32,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:57:32,971 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:57:32,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:57:32,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:57:32,971 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) [2022-01-18 00:57:35,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:57:35,674 INFO L93 Difference]: Finished difference Result 41008 states and 111549 transitions. [2022-01-18 00:57:35,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-01-18 00:57:35,675 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 [2022-01-18 00:57:35,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:57:35,744 INFO L225 Difference]: With dead ends: 41008 [2022-01-18 00:57:35,744 INFO L226 Difference]: Without dead ends: 41008 [2022-01-18 00:57:35,745 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1164 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=652, Invalid=5354, Unknown=0, NotChecked=0, Total=6006 [2022-01-18 00:57:35,745 INFO L933 BasicCegarLoop]: 1107 mSDtfsCounter, 1888 mSDsluCounter, 24048 mSDsCounter, 0 mSdLazyCounter, 4709 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.5s IncrementalHoareTripleChecker+Time [2022-01-18 00:57:35,745 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1888 Valid, 24825 Invalid, 4728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4709 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-18 00:57:35,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41008 states. [2022-01-18 00:57:36,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41008 to 22447. [2022-01-18 00:57:36,148 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) [2022-01-18 00:57:36,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22447 states to 22447 states and 61811 transitions. [2022-01-18 00:57:36,188 INFO L78 Accepts]: Start accepts. Automaton has 22447 states and 61811 transitions. Word has length 199 [2022-01-18 00:57:36,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:57:36,188 INFO L470 AbstractCegarLoop]: Abstraction has 22447 states and 61811 transitions. [2022-01-18 00:57:36,188 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) [2022-01-18 00:57:36,188 INFO L276 IsEmpty]: Start isEmpty. Operand 22447 states and 61811 transitions. [2022-01-18 00:57:36,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:57:36,213 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:57:36,213 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] [2022-01-18 00:57:36,213 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-01-18 00:57:36,214 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:57:36,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:57:36,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1913599429, now seen corresponding path program 44 times [2022-01-18 00:57:36,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:57:36,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491404187] [2022-01-18 00:57:36,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:57:36,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:57:36,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:57:36,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:57:36,532 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:57:36,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491404187] [2022-01-18 00:57:36,532 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491404187] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:57:36,532 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:57:36,532 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:57:36,532 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741313703] [2022-01-18 00:57:36,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:57:36,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:57:36,532 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:57:36,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:57:36,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:57:36,533 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) [2022-01-18 00:57:39,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:57:39,170 INFO L93 Difference]: Finished difference Result 41196 states and 112041 transitions. [2022-01-18 00:57:39,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-18 00:57:39,170 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 [2022-01-18 00:57:39,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:57:39,239 INFO L225 Difference]: With dead ends: 41196 [2022-01-18 00:57:39,240 INFO L226 Difference]: Without dead ends: 41196 [2022-01-18 00:57:39,240 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 [2022-01-18 00:57:39,241 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 [2022-01-18 00:57:39,241 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] [2022-01-18 00:57:39,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41196 states. [2022-01-18 00:57:39,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41196 to 22399. [2022-01-18 00:57:39,658 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) [2022-01-18 00:57:39,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22399 states to 22399 states and 61667 transitions. [2022-01-18 00:57:39,697 INFO L78 Accepts]: Start accepts. Automaton has 22399 states and 61667 transitions. Word has length 199 [2022-01-18 00:57:39,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:57:39,698 INFO L470 AbstractCegarLoop]: Abstraction has 22399 states and 61667 transitions. [2022-01-18 00:57:39,698 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) [2022-01-18 00:57:39,698 INFO L276 IsEmpty]: Start isEmpty. Operand 22399 states and 61667 transitions. [2022-01-18 00:57:39,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:57:39,723 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:57:39,723 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] [2022-01-18 00:57:39,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-01-18 00:57:39,724 INFO L402 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:57:39,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:57:39,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1972789787, now seen corresponding path program 45 times [2022-01-18 00:57:39,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:57:39,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478034285] [2022-01-18 00:57:39,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:57:39,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:57:39,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:57:40,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:57:40,022 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:57:40,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478034285] [2022-01-18 00:57:40,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478034285] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:57:40,022 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:57:40,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:57:40,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651801860] [2022-01-18 00:57:40,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:57:40,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:57:40,023 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:57:40,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:57:40,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:57:40,023 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) [2022-01-18 00:57:42,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:57:42,475 INFO L93 Difference]: Finished difference Result 35877 states and 97559 transitions. [2022-01-18 00:57:42,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-18 00:57:42,475 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 [2022-01-18 00:57:42,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:57:42,531 INFO L225 Difference]: With dead ends: 35877 [2022-01-18 00:57:42,532 INFO L226 Difference]: Without dead ends: 35877 [2022-01-18 00:57:42,532 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1025 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=618, Invalid=4932, Unknown=0, NotChecked=0, Total=5550 [2022-01-18 00:57:42,533 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 [2022-01-18 00:57:42,533 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] [2022-01-18 00:57:42,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35877 states. [2022-01-18 00:57:42,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35877 to 22351. [2022-01-18 00:57:42,889 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) [2022-01-18 00:57:42,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22351 states to 22351 states and 61523 transitions. [2022-01-18 00:57:42,927 INFO L78 Accepts]: Start accepts. Automaton has 22351 states and 61523 transitions. Word has length 199 [2022-01-18 00:57:42,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:57:42,928 INFO L470 AbstractCegarLoop]: Abstraction has 22351 states and 61523 transitions. [2022-01-18 00:57:42,928 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) [2022-01-18 00:57:42,928 INFO L276 IsEmpty]: Start isEmpty. Operand 22351 states and 61523 transitions. [2022-01-18 00:57:42,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:57:42,953 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:57:42,953 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] [2022-01-18 00:57:42,953 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-01-18 00:57:42,954 INFO L402 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:57:42,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:57:42,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1309715475, now seen corresponding path program 46 times [2022-01-18 00:57:42,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:57:42,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397770738] [2022-01-18 00:57:42,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:57:42,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:57:42,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:57:43,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:57:43,253 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:57:43,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397770738] [2022-01-18 00:57:43,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397770738] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:57:43,253 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:57:43,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:57:43,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396403895] [2022-01-18 00:57:43,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:57:43,253 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:57:43,253 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:57:43,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:57:43,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:57:43,254 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) [2022-01-18 00:57:46,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:57:46,428 INFO L93 Difference]: Finished difference Result 43816 states and 119376 transitions. [2022-01-18 00:57:46,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-01-18 00:57:46,428 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 [2022-01-18 00:57:46,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:57:46,499 INFO L225 Difference]: With dead ends: 43816 [2022-01-18 00:57:46,499 INFO L226 Difference]: Without dead ends: 43816 [2022-01-18 00:57:46,500 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1331 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=848, Invalid=5958, Unknown=0, NotChecked=0, Total=6806 [2022-01-18 00:57:46,500 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 [2022-01-18 00:57:46,501 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] [2022-01-18 00:57:46,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43816 states. [2022-01-18 00:57:46,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43816 to 22923. [2022-01-18 00:57:46,924 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) [2022-01-18 00:57:46,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22923 states to 22923 states and 63196 transitions. [2022-01-18 00:57:46,965 INFO L78 Accepts]: Start accepts. Automaton has 22923 states and 63196 transitions. Word has length 199 [2022-01-18 00:57:46,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:57:46,965 INFO L470 AbstractCegarLoop]: Abstraction has 22923 states and 63196 transitions. [2022-01-18 00:57:46,965 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) [2022-01-18 00:57:46,965 INFO L276 IsEmpty]: Start isEmpty. Operand 22923 states and 63196 transitions. [2022-01-18 00:57:46,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:57:46,992 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:57:46,992 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] [2022-01-18 00:57:46,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-01-18 00:57:46,992 INFO L402 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:57:46,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:57:46,993 INFO L85 PathProgramCache]: Analyzing trace with hash -712082567, now seen corresponding path program 47 times [2022-01-18 00:57:46,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:57:46,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711524271] [2022-01-18 00:57:46,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:57:46,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:57:47,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:57:47,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:57:47,296 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:57:47,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711524271] [2022-01-18 00:57:47,297 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711524271] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:57:47,297 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:57:47,297 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:57:47,297 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810907919] [2022-01-18 00:57:47,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:57:47,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:57:47,297 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:57:47,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:57:47,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:57:47,297 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) [2022-01-18 00:57:50,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:57:50,332 INFO L93 Difference]: Finished difference Result 41749 states and 114148 transitions. [2022-01-18 00:57:50,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-01-18 00:57:50,332 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 [2022-01-18 00:57:50,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:57:50,402 INFO L225 Difference]: With dead ends: 41749 [2022-01-18 00:57:50,402 INFO L226 Difference]: Without dead ends: 41749 [2022-01-18 00:57:50,403 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1324 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=792, Invalid=5850, Unknown=0, NotChecked=0, Total=6642 [2022-01-18 00:57:50,403 INFO L933 BasicCegarLoop]: 1043 mSDtfsCounter, 2355 mSDsluCounter, 22353 mSDsCounter, 0 mSdLazyCounter, 4999 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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 [2022-01-18 00:57:50,403 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] [2022-01-18 00:57:50,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41749 states. [2022-01-18 00:57:50,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41749 to 22859. [2022-01-18 00:57:50,816 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) [2022-01-18 00:57:50,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22859 states to 22859 states and 62988 transitions. [2022-01-18 00:57:50,858 INFO L78 Accepts]: Start accepts. Automaton has 22859 states and 62988 transitions. Word has length 199 [2022-01-18 00:57:50,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:57:50,858 INFO L470 AbstractCegarLoop]: Abstraction has 22859 states and 62988 transitions. [2022-01-18 00:57:50,858 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) [2022-01-18 00:57:50,858 INFO L276 IsEmpty]: Start isEmpty. Operand 22859 states and 62988 transitions. [2022-01-18 00:57:50,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:57:50,884 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:57:50,884 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] [2022-01-18 00:57:50,884 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-01-18 00:57:50,884 INFO L402 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:57:50,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:57:50,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1211054803, now seen corresponding path program 48 times [2022-01-18 00:57:50,885 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:57:50,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203219553] [2022-01-18 00:57:50,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:57:50,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:57:50,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:57:51,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:57:51,185 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:57:51,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203219553] [2022-01-18 00:57:51,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203219553] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:57:51,185 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:57:51,185 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:57:51,185 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104133075] [2022-01-18 00:57:51,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:57:51,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:57:51,186 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:57:51,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:57:51,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:57:51,186 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) [2022-01-18 00:57:53,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:57:53,973 INFO L93 Difference]: Finished difference Result 39891 states and 109363 transitions. [2022-01-18 00:57:53,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-18 00:57:53,973 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 [2022-01-18 00:57:53,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:57:54,038 INFO L225 Difference]: With dead ends: 39891 [2022-01-18 00:57:54,038 INFO L226 Difference]: Without dead ends: 39891 [2022-01-18 00:57:54,039 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 [2022-01-18 00:57:54,039 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, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 00:57:54,039 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2085 Valid, 22652 Invalid, 4971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4952 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 00:57:54,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39891 states. [2022-01-18 00:57:54,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39891 to 22811. [2022-01-18 00:57:54,431 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) [2022-01-18 00:57:54,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22811 states to 22811 states and 62844 transitions. [2022-01-18 00:57:54,472 INFO L78 Accepts]: Start accepts. Automaton has 22811 states and 62844 transitions. Word has length 199 [2022-01-18 00:57:54,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:57:54,472 INFO L470 AbstractCegarLoop]: Abstraction has 22811 states and 62844 transitions. [2022-01-18 00:57:54,473 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) [2022-01-18 00:57:54,473 INFO L276 IsEmpty]: Start isEmpty. Operand 22811 states and 62844 transitions. [2022-01-18 00:57:54,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:57:54,499 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:57:54,499 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] [2022-01-18 00:57:54,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-01-18 00:57:54,499 INFO L402 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:57:54,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:57:54,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1482625593, now seen corresponding path program 49 times [2022-01-18 00:57:54,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:57:54,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287287410] [2022-01-18 00:57:54,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:57:54,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:57:54,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:57:54,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:57:54,795 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:57:54,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287287410] [2022-01-18 00:57:54,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287287410] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:57:54,795 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:57:54,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:57:54,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704571431] [2022-01-18 00:57:54,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:57:54,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:57:54,796 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:57:54,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:57:54,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:57:54,796 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) [2022-01-18 00:57:57,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:57:57,572 INFO L93 Difference]: Finished difference Result 41249 states and 112755 transitions. [2022-01-18 00:57:57,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-18 00:57:57,573 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 [2022-01-18 00:57:57,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:57:57,642 INFO L225 Difference]: With dead ends: 41249 [2022-01-18 00:57:57,642 INFO L226 Difference]: Without dead ends: 41249 [2022-01-18 00:57:57,643 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1041 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=686, Invalid=5014, Unknown=0, NotChecked=0, Total=5700 [2022-01-18 00:57:57,643 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, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 00:57:57,643 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2141 Valid, 22927 Invalid, 4895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4876 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 00:57:57,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41249 states. [2022-01-18 00:57:58,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41249 to 22795. [2022-01-18 00:57:58,051 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) [2022-01-18 00:57:58,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22795 states to 22795 states and 62796 transitions. [2022-01-18 00:57:58,091 INFO L78 Accepts]: Start accepts. Automaton has 22795 states and 62796 transitions. Word has length 199 [2022-01-18 00:57:58,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:57:58,091 INFO L470 AbstractCegarLoop]: Abstraction has 22795 states and 62796 transitions. [2022-01-18 00:57:58,091 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) [2022-01-18 00:57:58,091 INFO L276 IsEmpty]: Start isEmpty. Operand 22795 states and 62796 transitions. [2022-01-18 00:57:58,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:57:58,117 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:57:58,117 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] [2022-01-18 00:57:58,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-01-18 00:57:58,118 INFO L402 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:57:58,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:57:58,118 INFO L85 PathProgramCache]: Analyzing trace with hash -2083856911, now seen corresponding path program 50 times [2022-01-18 00:57:58,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:57:58,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527360614] [2022-01-18 00:57:58,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:57:58,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:57:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:57:58,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:57:58,423 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:57:58,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527360614] [2022-01-18 00:57:58,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527360614] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:57:58,423 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:57:58,423 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:57:58,423 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270148854] [2022-01-18 00:57:58,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:57:58,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:57:58,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:57:58,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:57:58,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:57:58,424 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) [2022-01-18 00:58:01,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:58:01,140 INFO L93 Difference]: Finished difference Result 40242 states and 109897 transitions. [2022-01-18 00:58:01,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-18 00:58:01,140 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 [2022-01-18 00:58:01,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:58:01,206 INFO L225 Difference]: With dead ends: 40242 [2022-01-18 00:58:01,206 INFO L226 Difference]: Without dead ends: 40242 [2022-01-18 00:58:01,207 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 [2022-01-18 00:58:01,207 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, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 00:58:01,207 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1949 Valid, 23797 Invalid, 4919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4900 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 00:58:01,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40242 states. [2022-01-18 00:58:01,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40242 to 22587. [2022-01-18 00:58:01,600 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) [2022-01-18 00:58:01,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22587 states to 22587 states and 62172 transitions. [2022-01-18 00:58:01,641 INFO L78 Accepts]: Start accepts. Automaton has 22587 states and 62172 transitions. Word has length 199 [2022-01-18 00:58:01,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:58:01,641 INFO L470 AbstractCegarLoop]: Abstraction has 22587 states and 62172 transitions. [2022-01-18 00:58:01,642 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) [2022-01-18 00:58:01,642 INFO L276 IsEmpty]: Start isEmpty. Operand 22587 states and 62172 transitions. [2022-01-18 00:58:01,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:58:01,668 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:58:01,668 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] [2022-01-18 00:58:01,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-01-18 00:58:01,668 INFO L402 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:58:01,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:58:01,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1390257003, now seen corresponding path program 51 times [2022-01-18 00:58:01,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:58:01,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835741984] [2022-01-18 00:58:01,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:58:01,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:58:01,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:58:01,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:58:01,970 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:58:01,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835741984] [2022-01-18 00:58:01,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835741984] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:58:01,970 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:58:01,970 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:58:01,970 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348001782] [2022-01-18 00:58:01,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:58:01,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:58:01,970 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:58:01,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:58:01,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:58:01,971 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) [2022-01-18 00:58:04,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:58:04,699 INFO L93 Difference]: Finished difference Result 37931 states and 103594 transitions. [2022-01-18 00:58:04,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-18 00:58:04,699 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 [2022-01-18 00:58:04,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:58:04,761 INFO L225 Difference]: With dead ends: 37931 [2022-01-18 00:58:04,762 INFO L226 Difference]: Without dead ends: 37931 [2022-01-18 00:58:04,762 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 [2022-01-18 00:58:04,763 INFO L933 BasicCegarLoop]: 956 mSDtfsCounter, 2059 mSDsluCounter, 20751 mSDsCounter, 0 mSdLazyCounter, 4859 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 00:58:04,763 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2059 Valid, 21351 Invalid, 4882 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4859 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 00:58:04,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37931 states. [2022-01-18 00:58:05,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37931 to 22747. [2022-01-18 00:58:05,153 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) [2022-01-18 00:58:05,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22747 states to 22747 states and 62656 transitions. [2022-01-18 00:58:05,194 INFO L78 Accepts]: Start accepts. Automaton has 22747 states and 62656 transitions. Word has length 199 [2022-01-18 00:58:05,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:58:05,194 INFO L470 AbstractCegarLoop]: Abstraction has 22747 states and 62656 transitions. [2022-01-18 00:58:05,194 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) [2022-01-18 00:58:05,195 INFO L276 IsEmpty]: Start isEmpty. Operand 22747 states and 62656 transitions. [2022-01-18 00:58:05,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:58:05,221 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:58:05,221 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] [2022-01-18 00:58:05,221 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-01-18 00:58:05,221 INFO L402 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:58:05,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:58:05,221 INFO L85 PathProgramCache]: Analyzing trace with hash 882912251, now seen corresponding path program 52 times [2022-01-18 00:58:05,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:58:05,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448260509] [2022-01-18 00:58:05,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:58:05,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:58:05,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:58:05,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:58:05,519 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:58:05,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448260509] [2022-01-18 00:58:05,519 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448260509] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:58:05,519 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:58:05,519 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:58:05,519 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037656998] [2022-01-18 00:58:05,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:58:05,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:58:05,520 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:58:05,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:58:05,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:58:05,520 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) [2022-01-18 00:58:08,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:58:08,199 INFO L93 Difference]: Finished difference Result 37027 states and 101394 transitions. [2022-01-18 00:58:08,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-18 00:58:08,200 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 [2022-01-18 00:58:08,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:58:08,262 INFO L225 Difference]: With dead ends: 37027 [2022-01-18 00:58:08,262 INFO L226 Difference]: Without dead ends: 37027 [2022-01-18 00:58:08,263 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 [2022-01-18 00:58:08,263 INFO L933 BasicCegarLoop]: 941 mSDtfsCounter, 1987 mSDsluCounter, 20164 mSDsCounter, 0 mSdLazyCounter, 4702 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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 [2022-01-18 00:58:08,263 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] [2022-01-18 00:58:08,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37027 states. [2022-01-18 00:58:08,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37027 to 22683. [2022-01-18 00:58:08,651 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) [2022-01-18 00:58:08,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22683 states to 22683 states and 62448 transitions. [2022-01-18 00:58:08,690 INFO L78 Accepts]: Start accepts. Automaton has 22683 states and 62448 transitions. Word has length 199 [2022-01-18 00:58:08,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:58:08,690 INFO L470 AbstractCegarLoop]: Abstraction has 22683 states and 62448 transitions. [2022-01-18 00:58:08,691 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) [2022-01-18 00:58:08,691 INFO L276 IsEmpty]: Start isEmpty. Operand 22683 states and 62448 transitions. [2022-01-18 00:58:08,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:58:08,716 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:58:08,717 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] [2022-01-18 00:58:08,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-01-18 00:58:08,717 INFO L402 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:58:08,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:58:08,717 INFO L85 PathProgramCache]: Analyzing trace with hash 505715027, now seen corresponding path program 53 times [2022-01-18 00:58:08,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:58:08,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477666722] [2022-01-18 00:58:08,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:58:08,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:58:08,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:58:09,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:58:09,019 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:58:09,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477666722] [2022-01-18 00:58:09,020 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477666722] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:58:09,020 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:58:09,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:58:09,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619560711] [2022-01-18 00:58:09,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:58:09,020 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:58:09,020 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:58:09,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:58:09,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:58:09,020 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) [2022-01-18 00:58:11,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:58:11,556 INFO L93 Difference]: Finished difference Result 34832 states and 95221 transitions. [2022-01-18 00:58:11,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-18 00:58:11,557 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 [2022-01-18 00:58:11,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:58:11,611 INFO L225 Difference]: With dead ends: 34832 [2022-01-18 00:58:11,612 INFO L226 Difference]: Without dead ends: 34832 [2022-01-18 00:58:11,612 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 791 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=602, Invalid=4228, Unknown=0, NotChecked=0, Total=4830 [2022-01-18 00:58:11,612 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, 1.5s IncrementalHoareTripleChecker+Time [2022-01-18 00:58:11,613 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1721 Valid, 20708 Invalid, 4627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4608 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-18 00:58:11,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34832 states. [2022-01-18 00:58:11,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34832 to 22635. [2022-01-18 00:58:11,965 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) [2022-01-18 00:58:12,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22635 states to 22635 states and 62304 transitions. [2022-01-18 00:58:12,008 INFO L78 Accepts]: Start accepts. Automaton has 22635 states and 62304 transitions. Word has length 199 [2022-01-18 00:58:12,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:58:12,008 INFO L470 AbstractCegarLoop]: Abstraction has 22635 states and 62304 transitions. [2022-01-18 00:58:12,008 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) [2022-01-18 00:58:12,008 INFO L276 IsEmpty]: Start isEmpty. Operand 22635 states and 62304 transitions. [2022-01-18 00:58:12,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:58:12,035 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:58:12,035 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] [2022-01-18 00:58:12,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-01-18 00:58:12,035 INFO L402 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:58:12,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:58:12,035 INFO L85 PathProgramCache]: Analyzing trace with hash 868421715, now seen corresponding path program 54 times [2022-01-18 00:58:12,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:58:12,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340114833] [2022-01-18 00:58:12,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:58:12,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:58:12,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:58:12,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:58:12,337 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:58:12,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340114833] [2022-01-18 00:58:12,337 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340114833] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:58:12,337 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:58:12,337 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:58:12,337 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792599647] [2022-01-18 00:58:12,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:58:12,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:58:12,337 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:58:12,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:58:12,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:58:12,338 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) [2022-01-18 00:58:15,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:58:15,189 INFO L93 Difference]: Finished difference Result 38523 states and 105184 transitions. [2022-01-18 00:58:15,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 00:58:15,190 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 [2022-01-18 00:58:15,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:58:15,252 INFO L225 Difference]: With dead ends: 38523 [2022-01-18 00:58:15,252 INFO L226 Difference]: Without dead ends: 38523 [2022-01-18 00:58:15,253 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 [2022-01-18 00:58:15,253 INFO L933 BasicCegarLoop]: 993 mSDtfsCounter, 2003 mSDsluCounter, 21533 mSDsCounter, 0 mSdLazyCounter, 5032 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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 [2022-01-18 00:58:15,253 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] [2022-01-18 00:58:15,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38523 states. [2022-01-18 00:58:15,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38523 to 22747. [2022-01-18 00:58:15,632 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) [2022-01-18 00:58:15,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22747 states to 22747 states and 62656 transitions. [2022-01-18 00:58:15,671 INFO L78 Accepts]: Start accepts. Automaton has 22747 states and 62656 transitions. Word has length 199 [2022-01-18 00:58:15,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:58:15,671 INFO L470 AbstractCegarLoop]: Abstraction has 22747 states and 62656 transitions. [2022-01-18 00:58:15,671 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) [2022-01-18 00:58:15,672 INFO L276 IsEmpty]: Start isEmpty. Operand 22747 states and 62656 transitions. [2022-01-18 00:58:15,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:58:15,697 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:58:15,697 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] [2022-01-18 00:58:15,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2022-01-18 00:58:15,697 INFO L402 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:58:15,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:58:15,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1153376327, now seen corresponding path program 55 times [2022-01-18 00:58:15,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:58:15,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17841860] [2022-01-18 00:58:15,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:58:15,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:58:15,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:58:16,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:58:16,014 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:58:16,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17841860] [2022-01-18 00:58:16,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17841860] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:58:16,014 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:58:16,015 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:58:16,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818825776] [2022-01-18 00:58:16,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:58:16,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:58:16,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:58:16,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:58:16,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:58:16,016 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) [2022-01-18 00:58:18,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:58:18,846 INFO L93 Difference]: Finished difference Result 37511 states and 102716 transitions. [2022-01-18 00:58:18,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 00:58:18,846 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 [2022-01-18 00:58:18,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:58:18,908 INFO L225 Difference]: With dead ends: 37511 [2022-01-18 00:58:18,908 INFO L226 Difference]: Without dead ends: 37511 [2022-01-18 00:58:18,909 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1096 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=681, Invalid=5171, Unknown=0, NotChecked=0, Total=5852 [2022-01-18 00:58:18,909 INFO L933 BasicCegarLoop]: 998 mSDtfsCounter, 1996 mSDsluCounter, 21319 mSDsCounter, 0 mSdLazyCounter, 4847 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 00:58:18,909 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1996 Valid, 22052 Invalid, 4870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4847 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 00:58:18,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37511 states. [2022-01-18 00:58:19,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37511 to 22683. [2022-01-18 00:58:19,289 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) [2022-01-18 00:58:19,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22683 states to 22683 states and 62448 transitions. [2022-01-18 00:58:19,329 INFO L78 Accepts]: Start accepts. Automaton has 22683 states and 62448 transitions. Word has length 199 [2022-01-18 00:58:19,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:58:19,329 INFO L470 AbstractCegarLoop]: Abstraction has 22683 states and 62448 transitions. [2022-01-18 00:58:19,329 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) [2022-01-18 00:58:19,329 INFO L276 IsEmpty]: Start isEmpty. Operand 22683 states and 62448 transitions. [2022-01-18 00:58:19,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:58:19,355 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:58:19,355 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] [2022-01-18 00:58:19,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2022-01-18 00:58:19,355 INFO L402 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:58:19,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:58:19,355 INFO L85 PathProgramCache]: Analyzing trace with hash -803922443, now seen corresponding path program 56 times [2022-01-18 00:58:19,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:58:19,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725418461] [2022-01-18 00:58:19,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:58:19,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:58:19,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:58:19,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:58:19,653 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:58:19,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725418461] [2022-01-18 00:58:19,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725418461] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:58:19,653 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:58:19,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:58:19,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975172046] [2022-01-18 00:58:19,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:58:19,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:58:19,653 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:58:19,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:58:19,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:58:19,654 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) [2022-01-18 00:58:22,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:58:22,229 INFO L93 Difference]: Finished difference Result 34252 states and 93913 transitions. [2022-01-18 00:58:22,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-18 00:58:22,230 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 [2022-01-18 00:58:22,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:58:22,285 INFO L225 Difference]: With dead ends: 34252 [2022-01-18 00:58:22,285 INFO L226 Difference]: Without dead ends: 34252 [2022-01-18 00:58:22,286 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 845 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=590, Invalid=4380, Unknown=0, NotChecked=0, Total=4970 [2022-01-18 00:58:22,286 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, 1.5s IncrementalHoareTripleChecker+Time [2022-01-18 00:58:22,286 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1692 Valid, 20724 Invalid, 4670 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4651 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-18 00:58:22,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34252 states. [2022-01-18 00:58:22,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34252 to 22599. [2022-01-18 00:58:22,628 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) [2022-01-18 00:58:22,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22599 states to 22599 states and 62205 transitions. [2022-01-18 00:58:22,667 INFO L78 Accepts]: Start accepts. Automaton has 22599 states and 62205 transitions. Word has length 199 [2022-01-18 00:58:22,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:58:22,668 INFO L470 AbstractCegarLoop]: Abstraction has 22599 states and 62205 transitions. [2022-01-18 00:58:22,668 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) [2022-01-18 00:58:22,668 INFO L276 IsEmpty]: Start isEmpty. Operand 22599 states and 62205 transitions. [2022-01-18 00:58:22,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:58:22,693 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:58:22,694 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] [2022-01-18 00:58:22,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2022-01-18 00:58:22,694 INFO L402 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:58:22,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:58:22,694 INFO L85 PathProgramCache]: Analyzing trace with hash -710520743, now seen corresponding path program 57 times [2022-01-18 00:58:22,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:58:22,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422583029] [2022-01-18 00:58:22,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:58:22,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:58:22,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:58:23,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:58:23,069 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:58:23,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422583029] [2022-01-18 00:58:23,070 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422583029] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:58:23,070 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:58:23,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:58:23,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430980565] [2022-01-18 00:58:23,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:58:23,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:58:23,070 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:58:23,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:58:23,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:58:23,070 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) [2022-01-18 00:58:26,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:58:26,088 INFO L93 Difference]: Finished difference Result 42529 states and 115942 transitions. [2022-01-18 00:58:26,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-01-18 00:58:26,089 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 [2022-01-18 00:58:26,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:58:26,158 INFO L225 Difference]: With dead ends: 42529 [2022-01-18 00:58:26,158 INFO L226 Difference]: Without dead ends: 42529 [2022-01-18 00:58:26,159 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 [2022-01-18 00:58:26,159 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, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 00:58:26,159 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2184 Valid, 23418 Invalid, 5311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5288 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 00:58:26,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42529 states. [2022-01-18 00:58:26,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42529 to 22727. [2022-01-18 00:58:26,572 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) [2022-01-18 00:58:26,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22727 states to 22727 states and 62605 transitions. [2022-01-18 00:58:26,612 INFO L78 Accepts]: Start accepts. Automaton has 22727 states and 62605 transitions. Word has length 199 [2022-01-18 00:58:26,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:58:26,612 INFO L470 AbstractCegarLoop]: Abstraction has 22727 states and 62605 transitions. [2022-01-18 00:58:26,612 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) [2022-01-18 00:58:26,612 INFO L276 IsEmpty]: Start isEmpty. Operand 22727 states and 62605 transitions. [2022-01-18 00:58:26,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:58:26,638 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:58:26,638 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] [2022-01-18 00:58:26,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2022-01-18 00:58:26,638 INFO L402 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:58:26,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:58:26,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1562648511, now seen corresponding path program 58 times [2022-01-18 00:58:26,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:58:26,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420317741] [2022-01-18 00:58:26,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:58:26,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:58:26,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:58:26,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:58:26,963 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:58:26,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420317741] [2022-01-18 00:58:26,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420317741] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:58:26,963 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:58:26,963 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:58:26,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438555386] [2022-01-18 00:58:26,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:58:26,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:58:26,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:58:26,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:58:26,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:58:26,963 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) [2022-01-18 00:58:29,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:58:29,883 INFO L93 Difference]: Finished difference Result 41346 states and 113036 transitions. [2022-01-18 00:58:29,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-01-18 00:58:29,883 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 [2022-01-18 00:58:29,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:58:29,951 INFO L225 Difference]: With dead ends: 41346 [2022-01-18 00:58:29,952 INFO L226 Difference]: Without dead ends: 41346 [2022-01-18 00:58:29,952 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1277 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=764, Invalid=5716, Unknown=0, NotChecked=0, Total=6480 [2022-01-18 00:58:29,953 INFO L933 BasicCegarLoop]: 1072 mSDtfsCounter, 2158 mSDsluCounter, 22796 mSDsCounter, 0 mSdLazyCounter, 5047 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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 [2022-01-18 00:58:29,953 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] [2022-01-18 00:58:30,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41346 states. [2022-01-18 00:58:30,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41346 to 22663. [2022-01-18 00:58:30,361 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) [2022-01-18 00:58:30,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22663 states to 22663 states and 62397 transitions. [2022-01-18 00:58:30,401 INFO L78 Accepts]: Start accepts. Automaton has 22663 states and 62397 transitions. Word has length 199 [2022-01-18 00:58:30,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:58:30,402 INFO L470 AbstractCegarLoop]: Abstraction has 22663 states and 62397 transitions. [2022-01-18 00:58:30,402 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) [2022-01-18 00:58:30,402 INFO L276 IsEmpty]: Start isEmpty. Operand 22663 states and 62397 transitions. [2022-01-18 00:58:30,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:58:30,427 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:58:30,427 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] [2022-01-18 00:58:30,428 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2022-01-18 00:58:30,428 INFO L402 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:58:30,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:58:30,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1912102395, now seen corresponding path program 59 times [2022-01-18 00:58:30,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:58:30,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415409229] [2022-01-18 00:58:30,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:58:30,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:58:30,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:58:30,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:58:30,798 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:58:30,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415409229] [2022-01-18 00:58:30,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415409229] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:58:30,799 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:58:30,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:58:30,799 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121046380] [2022-01-18 00:58:30,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:58:30,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:58:30,799 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:58:30,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:58:30,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:58:30,800 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) [2022-01-18 00:58:33,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:58:33,479 INFO L93 Difference]: Finished difference Result 37516 states and 102789 transitions. [2022-01-18 00:58:33,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-18 00:58:33,480 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 [2022-01-18 00:58:33,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:58:33,539 INFO L225 Difference]: With dead ends: 37516 [2022-01-18 00:58:33,540 INFO L226 Difference]: Without dead ends: 37516 [2022-01-18 00:58:33,540 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 962 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=643, Invalid=4759, Unknown=0, NotChecked=0, Total=5402 [2022-01-18 00:58:33,541 INFO L933 BasicCegarLoop]: 1017 mSDtfsCounter, 1868 mSDsluCounter, 21491 mSDsCounter, 0 mSdLazyCounter, 4864 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 00:58:33,541 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1868 Valid, 22232 Invalid, 4883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4864 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 00:58:33,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37516 states. [2022-01-18 00:58:33,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37516 to 22615. [2022-01-18 00:58:33,919 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) [2022-01-18 00:58:33,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22615 states to 22615 states and 62253 transitions. [2022-01-18 00:58:33,961 INFO L78 Accepts]: Start accepts. Automaton has 22615 states and 62253 transitions. Word has length 199 [2022-01-18 00:58:33,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:58:33,961 INFO L470 AbstractCegarLoop]: Abstraction has 22615 states and 62253 transitions. [2022-01-18 00:58:33,961 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) [2022-01-18 00:58:33,961 INFO L276 IsEmpty]: Start isEmpty. Operand 22615 states and 62253 transitions. [2022-01-18 00:58:33,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:58:33,988 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:58:33,988 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] [2022-01-18 00:58:33,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2022-01-18 00:58:33,988 INFO L402 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:58:33,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:58:33,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1380492921, now seen corresponding path program 60 times [2022-01-18 00:58:33,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:58:33,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459293000] [2022-01-18 00:58:33,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:58:33,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:58:34,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:58:34,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:58:34,295 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:58:34,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459293000] [2022-01-18 00:58:34,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459293000] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:58:34,296 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:58:34,296 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:58:34,296 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386066092] [2022-01-18 00:58:34,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:58:34,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:58:34,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:58:34,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:58:34,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:58:34,296 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) [2022-01-18 00:58:36,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:58:36,994 INFO L93 Difference]: Finished difference Result 38250 states and 104483 transitions. [2022-01-18 00:58:36,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-18 00:58:36,995 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 [2022-01-18 00:58:36,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:58:37,059 INFO L225 Difference]: With dead ends: 38250 [2022-01-18 00:58:37,059 INFO L226 Difference]: Without dead ends: 38250 [2022-01-18 00:58:37,060 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 961 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=642, Invalid=4760, Unknown=0, NotChecked=0, Total=5402 [2022-01-18 00:58:37,060 INFO L933 BasicCegarLoop]: 1046 mSDtfsCounter, 1839 mSDsluCounter, 22121 mSDsCounter, 0 mSdLazyCounter, 4800 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 00:58:37,061 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1839 Valid, 22869 Invalid, 4819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4800 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 00:58:37,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38250 states. [2022-01-18 00:58:37,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38250 to 22431. [2022-01-18 00:58:37,437 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) [2022-01-18 00:58:37,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22431 states to 22431 states and 61743 transitions. [2022-01-18 00:58:37,477 INFO L78 Accepts]: Start accepts. Automaton has 22431 states and 61743 transitions. Word has length 199 [2022-01-18 00:58:37,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:58:37,477 INFO L470 AbstractCegarLoop]: Abstraction has 22431 states and 61743 transitions. [2022-01-18 00:58:37,477 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) [2022-01-18 00:58:37,477 INFO L276 IsEmpty]: Start isEmpty. Operand 22431 states and 61743 transitions. [2022-01-18 00:58:37,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:58:37,503 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:58:37,503 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] [2022-01-18 00:58:37,503 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2022-01-18 00:58:37,503 INFO L402 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:58:37,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:58:37,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1157505285, now seen corresponding path program 61 times [2022-01-18 00:58:37,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:58:37,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486711859] [2022-01-18 00:58:37,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:58:37,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:58:37,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:58:37,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:58:37,810 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:58:37,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486711859] [2022-01-18 00:58:37,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486711859] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:58:37,810 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:58:37,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:58:37,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828474412] [2022-01-18 00:58:37,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:58:37,810 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:58:37,810 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:58:37,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:58:37,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:58:37,811 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) [2022-01-18 00:58:40,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:58:40,704 INFO L93 Difference]: Finished difference Result 37275 states and 101770 transitions. [2022-01-18 00:58:40,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-18 00:58:40,705 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 [2022-01-18 00:58:40,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:58:40,764 INFO L225 Difference]: With dead ends: 37275 [2022-01-18 00:58:40,764 INFO L226 Difference]: Without dead ends: 37275 [2022-01-18 00:58:40,765 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 [2022-01-18 00:58:40,765 INFO L933 BasicCegarLoop]: 1008 mSDtfsCounter, 2140 mSDsluCounter, 21832 mSDsCounter, 0 mSdLazyCounter, 5021 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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 [2022-01-18 00:58:40,765 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] [2022-01-18 00:58:40,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37275 states. [2022-01-18 00:58:41,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37275 to 22595. [2022-01-18 00:58:41,148 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) [2022-01-18 00:58:41,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22595 states to 22595 states and 62238 transitions. [2022-01-18 00:58:41,188 INFO L78 Accepts]: Start accepts. Automaton has 22595 states and 62238 transitions. Word has length 199 [2022-01-18 00:58:41,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:58:41,188 INFO L470 AbstractCegarLoop]: Abstraction has 22595 states and 62238 transitions. [2022-01-18 00:58:41,188 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) [2022-01-18 00:58:41,188 INFO L276 IsEmpty]: Start isEmpty. Operand 22595 states and 62238 transitions. [2022-01-18 00:58:41,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:58:41,214 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:58:41,215 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] [2022-01-18 00:58:41,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2022-01-18 00:58:41,215 INFO L402 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:58:41,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:58:41,215 INFO L85 PathProgramCache]: Analyzing trace with hash -864292757, now seen corresponding path program 62 times [2022-01-18 00:58:41,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:58:41,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164100190] [2022-01-18 00:58:41,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:58:41,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:58:41,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:58:41,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:58:41,508 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:58:41,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164100190] [2022-01-18 00:58:41,508 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164100190] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:58:41,508 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:58:41,508 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:58:41,509 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521725992] [2022-01-18 00:58:41,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:58:41,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:58:41,509 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:58:41,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:58:41,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:58:41,509 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) [2022-01-18 00:58:44,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:58:44,249 INFO L93 Difference]: Finished difference Result 36195 states and 99102 transitions. [2022-01-18 00:58:44,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-18 00:58:44,250 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 [2022-01-18 00:58:44,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:58:44,309 INFO L225 Difference]: With dead ends: 36195 [2022-01-18 00:58:44,309 INFO L226 Difference]: Without dead ends: 36195 [2022-01-18 00:58:44,310 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1046 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=678, Invalid=5022, Unknown=0, NotChecked=0, Total=5700 [2022-01-18 00:58:44,310 INFO L933 BasicCegarLoop]: 964 mSDtfsCounter, 2065 mSDsluCounter, 20656 mSDsCounter, 0 mSdLazyCounter, 4773 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 00:58:44,310 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2065 Valid, 21370 Invalid, 4796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4773 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 00:58:44,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36195 states. [2022-01-18 00:58:44,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36195 to 22531. [2022-01-18 00:58:44,681 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) [2022-01-18 00:58:44,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22531 states to 22531 states and 62030 transitions. [2022-01-18 00:58:44,721 INFO L78 Accepts]: Start accepts. Automaton has 22531 states and 62030 transitions. Word has length 199 [2022-01-18 00:58:44,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:58:44,721 INFO L470 AbstractCegarLoop]: Abstraction has 22531 states and 62030 transitions. [2022-01-18 00:58:44,721 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) [2022-01-18 00:58:44,721 INFO L276 IsEmpty]: Start isEmpty. Operand 22531 states and 62030 transitions. [2022-01-18 00:58:44,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:58:44,747 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:58:44,747 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] [2022-01-18 00:58:44,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2022-01-18 00:58:44,747 INFO L402 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:58:44,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:58:44,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1241489981, now seen corresponding path program 63 times [2022-01-18 00:58:44,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:58:44,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309602103] [2022-01-18 00:58:44,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:58:44,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:58:44,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:58:45,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:58:45,057 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:58:45,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309602103] [2022-01-18 00:58:45,057 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309602103] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:58:45,057 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:58:45,057 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:58:45,057 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275749246] [2022-01-18 00:58:45,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:58:45,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:58:45,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:58:45,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:58:45,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:58:45,058 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) [2022-01-18 00:58:47,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:58:47,759 INFO L93 Difference]: Finished difference Result 34240 states and 93577 transitions. [2022-01-18 00:58:47,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-01-18 00:58:47,759 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 [2022-01-18 00:58:47,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:58:47,814 INFO L225 Difference]: With dead ends: 34240 [2022-01-18 00:58:47,814 INFO L226 Difference]: Without dead ends: 34240 [2022-01-18 00:58:47,815 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 862 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=632, Invalid=4480, Unknown=0, NotChecked=0, Total=5112 [2022-01-18 00:58:47,815 INFO L933 BasicCegarLoop]: 985 mSDtfsCounter, 1725 mSDsluCounter, 21124 mSDsCounter, 0 mSdLazyCounter, 4784 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 00:58:47,815 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1725 Valid, 21700 Invalid, 4803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4784 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 00:58:47,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34240 states. [2022-01-18 00:58:48,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34240 to 22483. [2022-01-18 00:58:48,165 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) [2022-01-18 00:58:48,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22483 states to 22483 states and 61886 transitions. [2022-01-18 00:58:48,204 INFO L78 Accepts]: Start accepts. Automaton has 22483 states and 61886 transitions. Word has length 199 [2022-01-18 00:58:48,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:58:48,205 INFO L470 AbstractCegarLoop]: Abstraction has 22483 states and 61886 transitions. [2022-01-18 00:58:48,205 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) [2022-01-18 00:58:48,205 INFO L276 IsEmpty]: Start isEmpty. Operand 22483 states and 61886 transitions. [2022-01-18 00:58:48,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:58:48,230 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:58:48,230 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] [2022-01-18 00:58:48,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2022-01-18 00:58:48,230 INFO L402 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:58:48,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:58:48,231 INFO L85 PathProgramCache]: Analyzing trace with hash -878783293, now seen corresponding path program 64 times [2022-01-18 00:58:48,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:58:48,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613008429] [2022-01-18 00:58:48,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:58:48,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:58:48,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:58:48,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:58:48,539 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:58:48,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613008429] [2022-01-18 00:58:48,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613008429] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:58:48,539 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:58:48,539 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:58:48,539 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64531279] [2022-01-18 00:58:48,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:58:48,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:58:48,539 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:58:48,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:58:48,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:58:48,540 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) [2022-01-18 00:58:51,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:58:51,457 INFO L93 Difference]: Finished difference Result 37463 states and 102253 transitions. [2022-01-18 00:58:51,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 00:58:51,457 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 [2022-01-18 00:58:51,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:58:51,517 INFO L225 Difference]: With dead ends: 37463 [2022-01-18 00:58:51,517 INFO L226 Difference]: Without dead ends: 37463 [2022-01-18 00:58:51,518 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 [2022-01-18 00:58:51,518 INFO L933 BasicCegarLoop]: 1027 mSDtfsCounter, 2005 mSDsluCounter, 22189 mSDsCounter, 0 mSdLazyCounter, 5090 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 00:58:51,518 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2005 Valid, 22747 Invalid, 5113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5090 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 00:58:51,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37463 states. [2022-01-18 00:58:51,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37463 to 22595. [2022-01-18 00:58:51,888 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) [2022-01-18 00:58:51,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22595 states to 22595 states and 62238 transitions. [2022-01-18 00:58:51,927 INFO L78 Accepts]: Start accepts. Automaton has 22595 states and 62238 transitions. Word has length 199 [2022-01-18 00:58:51,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:58:51,927 INFO L470 AbstractCegarLoop]: Abstraction has 22595 states and 62238 transitions. [2022-01-18 00:58:51,927 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) [2022-01-18 00:58:51,927 INFO L276 IsEmpty]: Start isEmpty. Operand 22595 states and 62238 transitions. [2022-01-18 00:58:51,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:58:51,953 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:58:51,953 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] [2022-01-18 00:58:51,953 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2022-01-18 00:58:51,953 INFO L402 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:58:51,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:58:51,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1394385961, now seen corresponding path program 65 times [2022-01-18 00:58:51,953 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:58:51,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700809500] [2022-01-18 00:58:51,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:58:51,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:58:51,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:58:52,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:58:52,290 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:58:52,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700809500] [2022-01-18 00:58:52,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700809500] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:58:52,290 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:58:52,290 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:58:52,291 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193238424] [2022-01-18 00:58:52,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:58:52,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:58:52,291 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:58:52,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:58:52,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:58:52,291 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) [2022-01-18 00:58:54,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:58:54,993 INFO L93 Difference]: Finished difference Result 36099 states and 98849 transitions. [2022-01-18 00:58:54,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-01-18 00:58:54,993 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 [2022-01-18 00:58:54,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:58:55,053 INFO L225 Difference]: With dead ends: 36099 [2022-01-18 00:58:55,053 INFO L226 Difference]: Without dead ends: 36099 [2022-01-18 00:58:55,054 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 919 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=632, Invalid=4624, Unknown=0, NotChecked=0, Total=5256 [2022-01-18 00:58:55,054 INFO L933 BasicCegarLoop]: 990 mSDtfsCounter, 2002 mSDsluCounter, 21145 mSDsCounter, 0 mSdLazyCounter, 4784 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 00:58:55,055 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2002 Valid, 21832 Invalid, 4807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4784 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 00:58:55,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36099 states. [2022-01-18 00:58:55,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36099 to 22531. [2022-01-18 00:58:55,423 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) [2022-01-18 00:58:55,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22531 states to 22531 states and 62030 transitions. [2022-01-18 00:58:55,462 INFO L78 Accepts]: Start accepts. Automaton has 22531 states and 62030 transitions. Word has length 199 [2022-01-18 00:58:55,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:58:55,463 INFO L470 AbstractCegarLoop]: Abstraction has 22531 states and 62030 transitions. [2022-01-18 00:58:55,463 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) [2022-01-18 00:58:55,463 INFO L276 IsEmpty]: Start isEmpty. Operand 22531 states and 62030 transitions. [2022-01-18 00:58:55,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:58:55,488 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:58:55,489 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] [2022-01-18 00:58:55,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2022-01-18 00:58:55,489 INFO L402 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:58:55,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:58:55,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1743839845, now seen corresponding path program 66 times [2022-01-18 00:58:55,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:58:55,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734707470] [2022-01-18 00:58:55,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:58:55,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:58:55,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:58:55,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:58:55,788 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:58:55,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734707470] [2022-01-18 00:58:55,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734707470] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:58:55,788 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:58:55,788 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:58:55,788 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988227137] [2022-01-18 00:58:55,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:58:55,788 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:58:55,788 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:58:55,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:58:55,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:58:55,789 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) [2022-01-18 00:58:58,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:58:58,318 INFO L93 Difference]: Finished difference Result 32883 states and 90158 transitions. [2022-01-18 00:58:58,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-18 00:58:58,318 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 [2022-01-18 00:58:58,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:58:58,370 INFO L225 Difference]: With dead ends: 32883 [2022-01-18 00:58:58,370 INFO L226 Difference]: Without dead ends: 32883 [2022-01-18 00:58:58,371 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 [2022-01-18 00:58:58,371 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, 1.5s IncrementalHoareTripleChecker+Time [2022-01-18 00:58:58,371 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1701 Valid, 20559 Invalid, 4612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4593 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-18 00:58:58,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32883 states. [2022-01-18 00:58:58,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32883 to 22447. [2022-01-18 00:58:58,820 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) [2022-01-18 00:58:58,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22447 states to 22447 states and 61787 transitions. [2022-01-18 00:58:58,858 INFO L78 Accepts]: Start accepts. Automaton has 22447 states and 61787 transitions. Word has length 199 [2022-01-18 00:58:58,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:58:58,859 INFO L470 AbstractCegarLoop]: Abstraction has 22447 states and 61787 transitions. [2022-01-18 00:58:58,859 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) [2022-01-18 00:58:58,859 INFO L276 IsEmpty]: Start isEmpty. Operand 22447 states and 61787 transitions. [2022-01-18 00:58:58,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:58:58,884 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:58:58,884 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] [2022-01-18 00:58:58,884 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2022-01-18 00:58:58,885 INFO L402 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:58:58,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:58:58,886 INFO L85 PathProgramCache]: Analyzing trace with hash 196946853, now seen corresponding path program 67 times [2022-01-18 00:58:58,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:58:58,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213650756] [2022-01-18 00:58:58,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:58:58,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:58:58,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:58:59,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:58:59,179 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:58:59,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213650756] [2022-01-18 00:58:59,179 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213650756] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:58:59,179 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:58:59,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:58:59,179 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006048125] [2022-01-18 00:58:59,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:58:59,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:58:59,180 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:58:59,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:58:59,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:58:59,180 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) [2022-01-18 00:59:02,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:59:02,136 INFO L93 Difference]: Finished difference Result 37135 states and 101381 transitions. [2022-01-18 00:59:02,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-01-18 00:59:02,136 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 [2022-01-18 00:59:02,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:59:02,194 INFO L225 Difference]: With dead ends: 37135 [2022-01-18 00:59:02,194 INFO L226 Difference]: Without dead ends: 37135 [2022-01-18 00:59:02,195 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1233 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=812, Invalid=5668, Unknown=0, NotChecked=0, Total=6480 [2022-01-18 00:59:02,195 INFO L933 BasicCegarLoop]: 1040 mSDtfsCounter, 2274 mSDsluCounter, 22464 mSDsCounter, 0 mSdLazyCounter, 5035 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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 [2022-01-18 00:59:02,196 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] [2022-01-18 00:59:02,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37135 states. [2022-01-18 00:59:02,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37135 to 22575. [2022-01-18 00:59:02,576 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) [2022-01-18 00:59:02,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22575 states to 22575 states and 62187 transitions. [2022-01-18 00:59:02,618 INFO L78 Accepts]: Start accepts. Automaton has 22575 states and 62187 transitions. Word has length 199 [2022-01-18 00:59:02,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:59:02,618 INFO L470 AbstractCegarLoop]: Abstraction has 22575 states and 62187 transitions. [2022-01-18 00:59:02,619 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) [2022-01-18 00:59:02,619 INFO L276 IsEmpty]: Start isEmpty. Operand 22575 states and 62187 transitions. [2022-01-18 00:59:02,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:59:02,645 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:59:02,645 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] [2022-01-18 00:59:02,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2022-01-18 00:59:02,646 INFO L402 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:59:02,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:59:02,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1824851189, now seen corresponding path program 68 times [2022-01-18 00:59:02,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:59:02,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852106219] [2022-01-18 00:59:02,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:59:02,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:59:02,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:59:02,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:59:02,938 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:59:02,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852106219] [2022-01-18 00:59:02,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852106219] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:59:02,938 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:59:02,938 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:59:02,938 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074032898] [2022-01-18 00:59:02,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:59:02,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:59:02,939 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:59:02,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:59:02,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:59:02,939 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) [2022-01-18 00:59:05,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:59:05,685 INFO L93 Difference]: Finished difference Result 36011 states and 98596 transitions. [2022-01-18 00:59:05,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 00:59:05,686 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 [2022-01-18 00:59:05,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:59:05,745 INFO L225 Difference]: With dead ends: 36011 [2022-01-18 00:59:05,745 INFO L226 Difference]: Without dead ends: 36011 [2022-01-18 00:59:05,746 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1083 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=713, Invalid=5139, Unknown=0, NotChecked=0, Total=5852 [2022-01-18 00:59:05,746 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, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 00:59:05,746 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2177 Valid, 21711 Invalid, 4793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4770 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 00:59:05,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36011 states. [2022-01-18 00:59:06,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36011 to 22515. [2022-01-18 00:59:06,124 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) [2022-01-18 00:59:06,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22515 states to 22515 states and 61994 transitions. [2022-01-18 00:59:06,164 INFO L78 Accepts]: Start accepts. Automaton has 22515 states and 61994 transitions. Word has length 199 [2022-01-18 00:59:06,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:59:06,164 INFO L470 AbstractCegarLoop]: Abstraction has 22515 states and 61994 transitions. [2022-01-18 00:59:06,164 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) [2022-01-18 00:59:06,165 INFO L276 IsEmpty]: Start isEmpty. Operand 22515 states and 61994 transitions. [2022-01-18 00:59:06,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:59:06,190 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:59:06,191 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] [2022-01-18 00:59:06,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2022-01-18 00:59:06,191 INFO L402 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:59:06,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:59:06,191 INFO L85 PathProgramCache]: Analyzing trace with hash 2092918883, now seen corresponding path program 69 times [2022-01-18 00:59:06,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:59:06,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943842504] [2022-01-18 00:59:06,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:59:06,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:59:06,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:59:06,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:59:06,487 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:59:06,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943842504] [2022-01-18 00:59:06,487 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943842504] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:59:06,487 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:59:06,487 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:59:06,487 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106720817] [2022-01-18 00:59:06,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:59:06,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:59:06,487 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:59:06,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:59:06,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:59:06,488 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) [2022-01-18 00:59:09,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:59:09,211 INFO L93 Difference]: Finished difference Result 34128 states and 93265 transitions. [2022-01-18 00:59:09,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-18 00:59:09,212 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 [2022-01-18 00:59:09,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:59:09,266 INFO L225 Difference]: With dead ends: 34128 [2022-01-18 00:59:09,266 INFO L226 Difference]: Without dead ends: 34128 [2022-01-18 00:59:09,266 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 972 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=696, Invalid=4854, Unknown=0, NotChecked=0, Total=5550 [2022-01-18 00:59:09,267 INFO L933 BasicCegarLoop]: 1017 mSDtfsCounter, 1818 mSDsluCounter, 21733 mSDsCounter, 0 mSdLazyCounter, 4807 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 00:59:09,267 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1818 Valid, 22304 Invalid, 4826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4807 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 00:59:09,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34128 states. [2022-01-18 00:59:09,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34128 to 22467. [2022-01-18 00:59:09,606 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) [2022-01-18 00:59:09,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22467 states to 22467 states and 61850 transitions. [2022-01-18 00:59:09,645 INFO L78 Accepts]: Start accepts. Automaton has 22467 states and 61850 transitions. Word has length 199 [2022-01-18 00:59:09,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:59:09,645 INFO L470 AbstractCegarLoop]: Abstraction has 22467 states and 61850 transitions. [2022-01-18 00:59:09,645 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) [2022-01-18 00:59:09,645 INFO L276 IsEmpty]: Start isEmpty. Operand 22467 states and 61850 transitions. [2022-01-18 00:59:09,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:59:09,670 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:59:09,670 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] [2022-01-18 00:59:09,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2022-01-18 00:59:09,671 INFO L402 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:59:09,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:59:09,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1746717073, now seen corresponding path program 70 times [2022-01-18 00:59:09,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:59:09,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029945484] [2022-01-18 00:59:09,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:59:09,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:59:09,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:59:09,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:59:09,975 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:59:09,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029945484] [2022-01-18 00:59:09,975 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029945484] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:59:09,975 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:59:09,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:59:09,975 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250988887] [2022-01-18 00:59:09,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:59:09,975 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:59:09,975 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:59:09,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:59:09,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:59:09,976 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) [2022-01-18 00:59:12,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:59:12,720 INFO L93 Difference]: Finished difference Result 35242 states and 96056 transitions. [2022-01-18 00:59:12,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-18 00:59:12,720 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 [2022-01-18 00:59:12,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:59:12,775 INFO L225 Difference]: With dead ends: 35242 [2022-01-18 00:59:12,776 INFO L226 Difference]: Without dead ends: 35242 [2022-01-18 00:59:12,776 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 966 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=701, Invalid=4849, Unknown=0, NotChecked=0, Total=5550 [2022-01-18 00:59:12,776 INFO L933 BasicCegarLoop]: 1040 mSDtfsCounter, 2020 mSDsluCounter, 22253 mSDsCounter, 0 mSdLazyCounter, 4784 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 00:59:12,777 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2020 Valid, 22805 Invalid, 4803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4784 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 00:59:12,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35242 states. [2022-01-18 00:59:13,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35242 to 22511. [2022-01-18 00:59:13,123 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) [2022-01-18 00:59:13,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22511 states to 22511 states and 61967 transitions. [2022-01-18 00:59:13,162 INFO L78 Accepts]: Start accepts. Automaton has 22511 states and 61967 transitions. Word has length 199 [2022-01-18 00:59:13,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:59:13,162 INFO L470 AbstractCegarLoop]: Abstraction has 22511 states and 61967 transitions. [2022-01-18 00:59:13,162 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) [2022-01-18 00:59:13,163 INFO L276 IsEmpty]: Start isEmpty. Operand 22511 states and 61967 transitions. [2022-01-18 00:59:13,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:59:13,188 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:59:13,188 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] [2022-01-18 00:59:13,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2022-01-18 00:59:13,189 INFO L402 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:59:13,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:59:13,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1664338851, now seen corresponding path program 71 times [2022-01-18 00:59:13,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:59:13,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375353652] [2022-01-18 00:59:13,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:59:13,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:59:13,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:59:13,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:59:13,483 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:59:13,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375353652] [2022-01-18 00:59:13,483 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375353652] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:59:13,483 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:59:13,483 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:59:13,483 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461580063] [2022-01-18 00:59:13,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:59:13,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:59:13,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:59:13,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:59:13,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:59:13,483 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) [2022-01-18 00:59:16,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:59:16,280 INFO L93 Difference]: Finished difference Result 37827 states and 103284 transitions. [2022-01-18 00:59:16,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-18 00:59:16,281 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 [2022-01-18 00:59:16,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:59:16,341 INFO L225 Difference]: With dead ends: 37827 [2022-01-18 00:59:16,341 INFO L226 Difference]: Without dead ends: 37827 [2022-01-18 00:59:16,342 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 986 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=680, Invalid=4870, Unknown=0, NotChecked=0, Total=5550 [2022-01-18 00:59:16,342 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, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 00:59:16,342 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2110 Valid, 22124 Invalid, 4985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4962 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 00:59:16,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37827 states. [2022-01-18 00:59:16,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37827 to 22671. [2022-01-18 00:59:16,732 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) [2022-01-18 00:59:16,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22671 states to 22671 states and 62451 transitions. [2022-01-18 00:59:16,772 INFO L78 Accepts]: Start accepts. Automaton has 22671 states and 62451 transitions. Word has length 199 [2022-01-18 00:59:16,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:59:16,772 INFO L470 AbstractCegarLoop]: Abstraction has 22671 states and 62451 transitions. [2022-01-18 00:59:16,772 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) [2022-01-18 00:59:16,772 INFO L276 IsEmpty]: Start isEmpty. Operand 22671 states and 62451 transitions. [2022-01-18 00:59:16,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:59:16,797 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:59:16,798 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] [2022-01-18 00:59:16,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2022-01-18 00:59:16,798 INFO L402 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:59:16,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:59:16,798 INFO L85 PathProgramCache]: Analyzing trace with hash -357459191, now seen corresponding path program 72 times [2022-01-18 00:59:16,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:59:16,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233124893] [2022-01-18 00:59:16,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:59:16,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:59:16,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:59:17,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:59:17,102 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:59:17,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233124893] [2022-01-18 00:59:17,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233124893] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:59:17,102 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:59:17,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:59:17,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999336952] [2022-01-18 00:59:17,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:59:17,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:59:17,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:59:17,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:59:17,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:59:17,103 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) [2022-01-18 00:59:19,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:59:19,841 INFO L93 Difference]: Finished difference Result 36923 states and 101084 transitions. [2022-01-18 00:59:19,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-18 00:59:19,842 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 [2022-01-18 00:59:19,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:59:19,902 INFO L225 Difference]: With dead ends: 36923 [2022-01-18 00:59:19,902 INFO L226 Difference]: Without dead ends: 36923 [2022-01-18 00:59:19,903 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 998 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=667, Invalid=4883, Unknown=0, NotChecked=0, Total=5550 [2022-01-18 00:59:19,903 INFO L933 BasicCegarLoop]: 980 mSDtfsCounter, 2015 mSDsluCounter, 20869 mSDsCounter, 0 mSdLazyCounter, 4805 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 00:59:19,903 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2015 Valid, 21618 Invalid, 4828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4805 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 00:59:19,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36923 states. [2022-01-18 00:59:20,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36923 to 22607. [2022-01-18 00:59:20,277 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) [2022-01-18 00:59:20,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22607 states to 22607 states and 62243 transitions. [2022-01-18 00:59:20,316 INFO L78 Accepts]: Start accepts. Automaton has 22607 states and 62243 transitions. Word has length 199 [2022-01-18 00:59:20,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:59:20,316 INFO L470 AbstractCegarLoop]: Abstraction has 22607 states and 62243 transitions. [2022-01-18 00:59:20,317 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) [2022-01-18 00:59:20,317 INFO L276 IsEmpty]: Start isEmpty. Operand 22607 states and 62243 transitions. [2022-01-18 00:59:20,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:59:20,342 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:59:20,342 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] [2022-01-18 00:59:20,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2022-01-18 00:59:20,342 INFO L402 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:59:20,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:59:20,343 INFO L85 PathProgramCache]: Analyzing trace with hash -734656415, now seen corresponding path program 73 times [2022-01-18 00:59:20,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:59:20,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340736823] [2022-01-18 00:59:20,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:59:20,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:59:20,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:59:20,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:59:20,642 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:59:20,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340736823] [2022-01-18 00:59:20,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340736823] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:59:20,643 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:59:20,643 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:59:20,643 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820628481] [2022-01-18 00:59:20,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:59:20,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:59:20,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:59:20,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:59:20,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:59:20,643 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) [2022-01-18 00:59:23,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:59:23,261 INFO L93 Difference]: Finished difference Result 34792 states and 95091 transitions. [2022-01-18 00:59:23,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-18 00:59:23,261 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 [2022-01-18 00:59:23,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:59:23,317 INFO L225 Difference]: With dead ends: 34792 [2022-01-18 00:59:23,317 INFO L226 Difference]: Without dead ends: 34792 [2022-01-18 00:59:23,318 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 825 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=619, Invalid=4351, Unknown=0, NotChecked=0, Total=4970 [2022-01-18 00:59:23,318 INFO L933 BasicCegarLoop]: 975 mSDtfsCounter, 1721 mSDsluCounter, 20865 mSDsCounter, 0 mSdLazyCounter, 4722 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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 [2022-01-18 00:59:23,318 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] [2022-01-18 00:59:23,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34792 states. [2022-01-18 00:59:23,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34792 to 22559. [2022-01-18 00:59:23,662 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) [2022-01-18 00:59:23,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22559 states to 22559 states and 62099 transitions. [2022-01-18 00:59:23,701 INFO L78 Accepts]: Start accepts. Automaton has 22559 states and 62099 transitions. Word has length 199 [2022-01-18 00:59:23,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:59:23,701 INFO L470 AbstractCegarLoop]: Abstraction has 22559 states and 62099 transitions. [2022-01-18 00:59:23,701 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) [2022-01-18 00:59:23,701 INFO L276 IsEmpty]: Start isEmpty. Operand 22559 states and 62099 transitions. [2022-01-18 00:59:23,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:59:23,727 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:59:23,727 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] [2022-01-18 00:59:23,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2022-01-18 00:59:23,727 INFO L402 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:59:23,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:59:23,727 INFO L85 PathProgramCache]: Analyzing trace with hash -371949727, now seen corresponding path program 74 times [2022-01-18 00:59:23,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:59:23,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788063215] [2022-01-18 00:59:23,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:59:23,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:59:23,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:59:24,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:59:24,022 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:59:24,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788063215] [2022-01-18 00:59:24,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788063215] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:59:24,023 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:59:24,023 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:59:24,023 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326382793] [2022-01-18 00:59:24,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:59:24,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:59:24,023 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:59:24,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:59:24,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:59:24,023 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) [2022-01-18 00:59:26,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:59:26,953 INFO L93 Difference]: Finished difference Result 38031 states and 103811 transitions. [2022-01-18 00:59:26,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-18 00:59:26,953 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 [2022-01-18 00:59:26,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:59:27,014 INFO L225 Difference]: With dead ends: 38031 [2022-01-18 00:59:27,014 INFO L226 Difference]: Without dead ends: 38031 [2022-01-18 00:59:27,015 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 [2022-01-18 00:59:27,015 INFO L933 BasicCegarLoop]: 1017 mSDtfsCounter, 2033 mSDsluCounter, 21995 mSDsCounter, 0 mSdLazyCounter, 5050 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 00:59:27,015 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2033 Valid, 22578 Invalid, 5073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5050 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 00:59:27,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38031 states. [2022-01-18 00:59:27,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38031 to 22671. [2022-01-18 00:59:27,386 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) [2022-01-18 00:59:27,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22671 states to 22671 states and 62451 transitions. [2022-01-18 00:59:27,425 INFO L78 Accepts]: Start accepts. Automaton has 22671 states and 62451 transitions. Word has length 199 [2022-01-18 00:59:27,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:59:27,426 INFO L470 AbstractCegarLoop]: Abstraction has 22671 states and 62451 transitions. [2022-01-18 00:59:27,426 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) [2022-01-18 00:59:27,426 INFO L276 IsEmpty]: Start isEmpty. Operand 22671 states and 62451 transitions. [2022-01-18 00:59:27,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:59:27,451 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:59:27,451 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] [2022-01-18 00:59:27,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2022-01-18 00:59:27,451 INFO L402 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:59:27,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:59:27,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1901219527, now seen corresponding path program 75 times [2022-01-18 00:59:27,452 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:59:27,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904072781] [2022-01-18 00:59:27,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:59:27,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:59:27,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:59:27,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:59:27,753 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:59:27,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904072781] [2022-01-18 00:59:27,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904072781] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:59:27,753 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:59:27,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:59:27,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089379503] [2022-01-18 00:59:27,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:59:27,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:59:27,754 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:59:27,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:59:27,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:59:27,754 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) [2022-01-18 00:59:30,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:59:30,530 INFO L93 Difference]: Finished difference Result 36843 states and 100875 transitions. [2022-01-18 00:59:30,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-18 00:59:30,531 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 [2022-01-18 00:59:30,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:59:30,589 INFO L225 Difference]: With dead ends: 36843 [2022-01-18 00:59:30,590 INFO L226 Difference]: Without dead ends: 36843 [2022-01-18 00:59:30,590 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1046 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=678, Invalid=5022, Unknown=0, NotChecked=0, Total=5700 [2022-01-18 00:59:30,591 INFO L933 BasicCegarLoop]: 1009 mSDtfsCounter, 2024 mSDsluCounter, 21469 mSDsCounter, 0 mSdLazyCounter, 4833 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 00:59:30,591 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2024 Valid, 22193 Invalid, 4856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4833 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 00:59:30,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36843 states. [2022-01-18 00:59:30,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36843 to 22607. [2022-01-18 00:59:30,949 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) [2022-01-18 00:59:30,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22607 states to 22607 states and 62243 transitions. [2022-01-18 00:59:30,988 INFO L78 Accepts]: Start accepts. Automaton has 22607 states and 62243 transitions. Word has length 199 [2022-01-18 00:59:30,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:59:30,988 INFO L470 AbstractCegarLoop]: Abstraction has 22607 states and 62243 transitions. [2022-01-18 00:59:30,988 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) [2022-01-18 00:59:30,988 INFO L276 IsEmpty]: Start isEmpty. Operand 22607 states and 62243 transitions. [2022-01-18 00:59:31,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:59:31,014 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:59:31,014 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] [2022-01-18 00:59:31,014 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2022-01-18 00:59:31,014 INFO L402 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:59:31,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:59:31,014 INFO L85 PathProgramCache]: Analyzing trace with hash -2044293885, now seen corresponding path program 76 times [2022-01-18 00:59:31,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:59:31,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94371915] [2022-01-18 00:59:31,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:59:31,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:59:31,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:59:31,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:59:31,318 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:59:31,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94371915] [2022-01-18 00:59:31,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94371915] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:59:31,318 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:59:31,318 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:59:31,318 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551046328] [2022-01-18 00:59:31,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:59:31,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:59:31,318 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:59:31,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:59:31,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:59:31,318 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) [2022-01-18 00:59:33,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:59:33,881 INFO L93 Difference]: Finished difference Result 33584 states and 92072 transitions. [2022-01-18 00:59:33,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-18 00:59:33,882 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 [2022-01-18 00:59:33,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:59:33,934 INFO L225 Difference]: With dead ends: 33584 [2022-01-18 00:59:33,934 INFO L226 Difference]: Without dead ends: 33584 [2022-01-18 00:59:33,935 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 803 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=584, Invalid=4246, Unknown=0, NotChecked=0, Total=4830 [2022-01-18 00:59:33,935 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, 1.5s IncrementalHoareTripleChecker+Time [2022-01-18 00:59:33,935 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1699 Valid, 20871 Invalid, 4665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4646 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-18 00:59:33,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33584 states. [2022-01-18 00:59:34,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33584 to 22523. [2022-01-18 00:59:34,358 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) [2022-01-18 00:59:34,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22523 states to 22523 states and 62000 transitions. [2022-01-18 00:59:34,396 INFO L78 Accepts]: Start accepts. Automaton has 22523 states and 62000 transitions. Word has length 199 [2022-01-18 00:59:34,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:59:34,396 INFO L470 AbstractCegarLoop]: Abstraction has 22523 states and 62000 transitions. [2022-01-18 00:59:34,396 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) [2022-01-18 00:59:34,396 INFO L276 IsEmpty]: Start isEmpty. Operand 22523 states and 62000 transitions. [2022-01-18 00:59:34,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:59:34,421 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:59:34,421 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] [2022-01-18 00:59:34,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2022-01-18 00:59:34,421 INFO L402 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:59:34,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:59:34,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1224668251, now seen corresponding path program 77 times [2022-01-18 00:59:34,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:59:34,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533278655] [2022-01-18 00:59:34,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:59:34,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:59:34,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:59:34,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:59:34,741 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:59:34,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533278655] [2022-01-18 00:59:34,741 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533278655] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:59:34,741 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:59:34,741 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:59:34,741 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701342969] [2022-01-18 00:59:34,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:59:34,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:59:34,742 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:59:34,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:59:34,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:59:34,742 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) [2022-01-18 00:59:37,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:59:37,826 INFO L93 Difference]: Finished difference Result 41861 states and 114085 transitions. [2022-01-18 00:59:37,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-01-18 00:59:37,826 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 [2022-01-18 00:59:37,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:59:37,895 INFO L225 Difference]: With dead ends: 41861 [2022-01-18 00:59:37,895 INFO L226 Difference]: Without dead ends: 41861 [2022-01-18 00:59:37,896 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 [2022-01-18 00:59:37,896 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 [2022-01-18 00:59:37,896 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] [2022-01-18 00:59:37,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41861 states. [2022-01-18 00:59:38,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41861 to 22651. [2022-01-18 00:59:38,301 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) [2022-01-18 00:59:38,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22651 states to 22651 states and 62400 transitions. [2022-01-18 00:59:38,340 INFO L78 Accepts]: Start accepts. Automaton has 22651 states and 62400 transitions. Word has length 199 [2022-01-18 00:59:38,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:59:38,341 INFO L470 AbstractCegarLoop]: Abstraction has 22651 states and 62400 transitions. [2022-01-18 00:59:38,341 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) [2022-01-18 00:59:38,341 INFO L276 IsEmpty]: Start isEmpty. Operand 22651 states and 62400 transitions. [2022-01-18 00:59:38,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:59:38,367 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:59:38,367 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] [2022-01-18 00:59:38,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2022-01-18 00:59:38,367 INFO L402 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:59:38,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:59:38,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1048501003, now seen corresponding path program 78 times [2022-01-18 00:59:38,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:59:38,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506732674] [2022-01-18 00:59:38,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:59:38,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:59:38,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:59:38,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:59:38,661 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:59:38,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506732674] [2022-01-18 00:59:38,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506732674] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:59:38,662 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:59:38,662 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:59:38,662 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527312739] [2022-01-18 00:59:38,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:59:38,662 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:59:38,662 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:59:38,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:59:38,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:59:38,662 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) [2022-01-18 00:59:41,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:59:41,588 INFO L93 Difference]: Finished difference Result 40458 states and 110594 transitions. [2022-01-18 00:59:41,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-01-18 00:59:41,588 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 [2022-01-18 00:59:41,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:59:41,654 INFO L225 Difference]: With dead ends: 40458 [2022-01-18 00:59:41,654 INFO L226 Difference]: Without dead ends: 40458 [2022-01-18 00:59:41,655 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 [2022-01-18 00:59:41,655 INFO L933 BasicCegarLoop]: 1078 mSDtfsCounter, 2186 mSDsluCounter, 22786 mSDsCounter, 0 mSdLazyCounter, 5010 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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 [2022-01-18 00:59:41,655 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] [2022-01-18 00:59:41,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40458 states. [2022-01-18 00:59:42,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40458 to 22587. [2022-01-18 00:59:42,050 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) [2022-01-18 00:59:42,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22587 states to 22587 states and 62192 transitions. [2022-01-18 00:59:42,089 INFO L78 Accepts]: Start accepts. Automaton has 22587 states and 62192 transitions. Word has length 199 [2022-01-18 00:59:42,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:59:42,090 INFO L470 AbstractCegarLoop]: Abstraction has 22587 states and 62192 transitions. [2022-01-18 00:59:42,090 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) [2022-01-18 00:59:42,090 INFO L276 IsEmpty]: Start isEmpty. Operand 22587 states and 62192 transitions. [2022-01-18 00:59:42,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:59:42,116 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:59:42,117 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] [2022-01-18 00:59:42,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2022-01-18 00:59:42,117 INFO L402 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:59:42,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:59:42,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1397954887, now seen corresponding path program 79 times [2022-01-18 00:59:42,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:59:42,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172696221] [2022-01-18 00:59:42,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:59:42,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:59:42,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:59:42,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:59:42,415 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:59:42,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172696221] [2022-01-18 00:59:42,415 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172696221] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:59:42,415 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:59:42,415 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:59:42,415 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364618406] [2022-01-18 00:59:42,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:59:42,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:59:42,416 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:59:42,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:59:42,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:59:42,416 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) [2022-01-18 00:59:45,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:59:45,096 INFO L93 Difference]: Finished difference Result 36628 states and 100347 transitions. [2022-01-18 00:59:45,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-01-18 00:59:45,096 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 [2022-01-18 00:59:45,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:59:45,159 INFO L225 Difference]: With dead ends: 36628 [2022-01-18 00:59:45,159 INFO L226 Difference]: Without dead ends: 36628 [2022-01-18 00:59:45,160 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 915 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=640, Invalid=4616, Unknown=0, NotChecked=0, Total=5256 [2022-01-18 00:59:45,160 INFO L933 BasicCegarLoop]: 1023 mSDtfsCounter, 1896 mSDsluCounter, 21487 mSDsCounter, 0 mSdLazyCounter, 4834 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 00:59:45,160 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1896 Valid, 22217 Invalid, 4853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4834 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 00:59:45,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36628 states. [2022-01-18 00:59:45,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36628 to 22539. [2022-01-18 00:59:45,547 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) [2022-01-18 00:59:45,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22539 states to 22539 states and 62048 transitions. [2022-01-18 00:59:45,585 INFO L78 Accepts]: Start accepts. Automaton has 22539 states and 62048 transitions. Word has length 199 [2022-01-18 00:59:45,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:59:45,586 INFO L470 AbstractCegarLoop]: Abstraction has 22539 states and 62048 transitions. [2022-01-18 00:59:45,586 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) [2022-01-18 00:59:45,586 INFO L276 IsEmpty]: Start isEmpty. Operand 22539 states and 62048 transitions. [2022-01-18 00:59:45,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:59:45,611 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:59:45,611 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] [2022-01-18 00:59:45,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2022-01-18 00:59:45,612 INFO L402 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:59:45,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:59:45,612 INFO L85 PathProgramCache]: Analyzing trace with hash -1894640429, now seen corresponding path program 80 times [2022-01-18 00:59:45,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:59:45,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138915795] [2022-01-18 00:59:45,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:59:45,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:59:45,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:59:45,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:59:45,923 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:59:45,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138915795] [2022-01-18 00:59:45,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138915795] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:59:45,923 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:59:45,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:59:45,923 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530937500] [2022-01-18 00:59:45,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:59:45,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:59:45,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:59:45,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:59:45,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:59:45,924 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) [2022-01-18 00:59:48,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:59:48,589 INFO L93 Difference]: Finished difference Result 37362 states and 102041 transitions. [2022-01-18 00:59:48,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-01-18 00:59:48,589 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 [2022-01-18 00:59:48,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:59:48,650 INFO L225 Difference]: With dead ends: 37362 [2022-01-18 00:59:48,650 INFO L226 Difference]: Without dead ends: 37362 [2022-01-18 00:59:48,650 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 [2022-01-18 00:59:48,651 INFO L933 BasicCegarLoop]: 1052 mSDtfsCounter, 1846 mSDsluCounter, 22087 mSDsCounter, 0 mSdLazyCounter, 4772 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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 [2022-01-18 00:59:48,651 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] [2022-01-18 00:59:48,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37362 states. [2022-01-18 00:59:49,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37362 to 22511. [2022-01-18 00:59:49,036 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) [2022-01-18 00:59:49,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22511 states to 22511 states and 61967 transitions. [2022-01-18 00:59:49,075 INFO L78 Accepts]: Start accepts. Automaton has 22511 states and 61967 transitions. Word has length 199 [2022-01-18 00:59:49,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:59:49,075 INFO L470 AbstractCegarLoop]: Abstraction has 22511 states and 61967 transitions. [2022-01-18 00:59:49,075 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) [2022-01-18 00:59:49,075 INFO L276 IsEmpty]: Start isEmpty. Operand 22511 states and 61967 transitions. [2022-01-18 00:59:49,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:59:49,100 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:59:49,100 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] [2022-01-18 00:59:49,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2022-01-18 00:59:49,101 INFO L402 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:59:49,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:59:49,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1617964849, now seen corresponding path program 81 times [2022-01-18 00:59:49,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:59:49,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100376376] [2022-01-18 00:59:49,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:59:49,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:59:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:59:49,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:59:49,399 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:59:49,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100376376] [2022-01-18 00:59:49,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100376376] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:59:49,399 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:59:49,400 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:59:49,400 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545487102] [2022-01-18 00:59:49,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:59:49,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:59:49,400 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:59:49,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:59:49,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:59:49,400 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) [2022-01-18 00:59:52,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:59:52,541 INFO L93 Difference]: Finished difference Result 44752 states and 121950 transitions. [2022-01-18 00:59:52,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-01-18 00:59:52,542 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 [2022-01-18 00:59:52,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:59:52,615 INFO L225 Difference]: With dead ends: 44752 [2022-01-18 00:59:52,616 INFO L226 Difference]: Without dead ends: 44752 [2022-01-18 00:59:52,616 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1302 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=803, Invalid=5839, Unknown=0, NotChecked=0, Total=6642 [2022-01-18 00:59:52,617 INFO L933 BasicCegarLoop]: 1073 mSDtfsCounter, 2311 mSDsluCounter, 23376 mSDsCounter, 0 mSdLazyCounter, 5438 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s 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, 1.8s IncrementalHoareTripleChecker+Time [2022-01-18 00:59:52,617 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2311 Valid, 24011 Invalid, 5461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5438 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-18 00:59:52,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44752 states. [2022-01-18 00:59:53,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44752 to 23015. [2022-01-18 00:59:53,054 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) [2022-01-18 00:59:53,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23015 states to 23015 states and 63453 transitions. [2022-01-18 00:59:53,094 INFO L78 Accepts]: Start accepts. Automaton has 23015 states and 63453 transitions. Word has length 199 [2022-01-18 00:59:53,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:59:53,094 INFO L470 AbstractCegarLoop]: Abstraction has 23015 states and 63453 transitions. [2022-01-18 00:59:53,095 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) [2022-01-18 00:59:53,095 INFO L276 IsEmpty]: Start isEmpty. Operand 23015 states and 63453 transitions. [2022-01-18 00:59:53,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:59:53,121 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:59:53,121 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] [2022-01-18 00:59:53,121 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2022-01-18 00:59:53,121 INFO L402 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:59:53,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:59:53,121 INFO L85 PathProgramCache]: Analyzing trace with hash 655204405, now seen corresponding path program 82 times [2022-01-18 00:59:53,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:59:53,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237024977] [2022-01-18 00:59:53,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:59:53,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:59:53,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:59:53,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:59:53,421 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:59:53,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237024977] [2022-01-18 00:59:53,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237024977] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:59:53,421 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:59:53,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:59:53,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317109637] [2022-01-18 00:59:53,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:59:53,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:59:53,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:59:53,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:59:53,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:59:53,422 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) [2022-01-18 00:59:56,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:59:56,462 INFO L93 Difference]: Finished difference Result 42905 states and 117307 transitions. [2022-01-18 00:59:56,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-01-18 00:59:56,462 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 [2022-01-18 00:59:56,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:59:56,532 INFO L225 Difference]: With dead ends: 42905 [2022-01-18 00:59:56,532 INFO L226 Difference]: Without dead ends: 42905 [2022-01-18 00:59:56,533 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 [2022-01-18 00:59:56,533 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, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 00:59:56,533 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2269 Valid, 23747 Invalid, 5208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5185 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 00:59:56,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42905 states. [2022-01-18 00:59:56,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42905 to 22951. [2022-01-18 00:59:56,938 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) [2022-01-18 00:59:56,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22951 states to 22951 states and 63245 transitions. [2022-01-18 00:59:56,978 INFO L78 Accepts]: Start accepts. Automaton has 22951 states and 63245 transitions. Word has length 199 [2022-01-18 00:59:56,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:59:56,978 INFO L470 AbstractCegarLoop]: Abstraction has 22951 states and 63245 transitions. [2022-01-18 00:59:56,978 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) [2022-01-18 00:59:56,978 INFO L276 IsEmpty]: Start isEmpty. Operand 22951 states and 63245 transitions. [2022-01-18 00:59:57,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 00:59:57,004 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:59:57,004 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] [2022-01-18 00:59:57,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2022-01-18 00:59:57,005 INFO L402 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:59:57,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:59:57,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1716625521, now seen corresponding path program 83 times [2022-01-18 00:59:57,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:59:57,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200952675] [2022-01-18 00:59:57,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:59:57,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:59:57,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:59:57,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:59:57,301 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:59:57,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200952675] [2022-01-18 00:59:57,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200952675] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:59:57,301 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:59:57,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 00:59:57,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810980729] [2022-01-18 00:59:57,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:59:57,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:59:57,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:59:57,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:59:57,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 00:59:57,301 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) [2022-01-18 01:00:00,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:00:00,190 INFO L93 Difference]: Finished difference Result 41047 states and 112522 transitions. [2022-01-18 01:00:00,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 01:00:00,191 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 [2022-01-18 01:00:00,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:00:00,257 INFO L225 Difference]: With dead ends: 41047 [2022-01-18 01:00:00,258 INFO L226 Difference]: Without dead ends: 41047 [2022-01-18 01:00:00,258 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1092 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=683, Invalid=5169, Unknown=0, NotChecked=0, Total=5852 [2022-01-18 01:00:00,259 INFO L933 BasicCegarLoop]: 1063 mSDtfsCounter, 1999 mSDsluCounter, 22565 mSDsCounter, 0 mSdLazyCounter, 5141 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 01:00:00,259 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1999 Valid, 23350 Invalid, 5160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5141 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 01:00:00,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41047 states. [2022-01-18 01:00:00,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41047 to 22903. [2022-01-18 01:00:00,679 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) [2022-01-18 01:00:00,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22903 states to 22903 states and 63101 transitions. [2022-01-18 01:00:00,717 INFO L78 Accepts]: Start accepts. Automaton has 22903 states and 63101 transitions. Word has length 199 [2022-01-18 01:00:00,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:00:00,717 INFO L470 AbstractCegarLoop]: Abstraction has 22903 states and 63101 transitions. [2022-01-18 01:00:00,718 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) [2022-01-18 01:00:00,718 INFO L276 IsEmpty]: Start isEmpty. Operand 22903 states and 63101 transitions. [2022-01-18 01:00:00,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:00:00,743 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:00:00,743 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] [2022-01-18 01:00:00,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2022-01-18 01:00:00,743 INFO L402 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:00:00,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:00:00,744 INFO L85 PathProgramCache]: Analyzing trace with hash -115338621, now seen corresponding path program 84 times [2022-01-18 01:00:00,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:00:00,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666241204] [2022-01-18 01:00:00,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:00:00,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:00:00,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:00:01,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:00:01,040 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:00:01,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666241204] [2022-01-18 01:00:01,041 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666241204] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:00:01,041 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:00:01,041 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:00:01,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926092198] [2022-01-18 01:00:01,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:00:01,041 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:00:01,041 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:00:01,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:00:01,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:00:01,041 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) [2022-01-18 01:00:03,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:00:03,947 INFO L93 Difference]: Finished difference Result 42405 states and 115914 transitions. [2022-01-18 01:00:03,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 01:00:03,948 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 [2022-01-18 01:00:03,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:00:04,023 INFO L225 Difference]: With dead ends: 42405 [2022-01-18 01:00:04,023 INFO L226 Difference]: Without dead ends: 42405 [2022-01-18 01:00:04,024 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1092 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=682, Invalid=5170, Unknown=0, NotChecked=0, Total=5852 [2022-01-18 01:00:04,024 INFO L933 BasicCegarLoop]: 1076 mSDtfsCounter, 2055 mSDsluCounter, 22845 mSDsCounter, 0 mSdLazyCounter, 5059 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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 [2022-01-18 01:00:04,025 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] [2022-01-18 01:00:04,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42405 states. [2022-01-18 01:00:04,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42405 to 22887. [2022-01-18 01:00:04,461 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) [2022-01-18 01:00:04,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22887 states to 22887 states and 63053 transitions. [2022-01-18 01:00:04,505 INFO L78 Accepts]: Start accepts. Automaton has 22887 states and 63053 transitions. Word has length 199 [2022-01-18 01:00:04,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:00:04,505 INFO L470 AbstractCegarLoop]: Abstraction has 22887 states and 63053 transitions. [2022-01-18 01:00:04,505 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) [2022-01-18 01:00:04,505 INFO L276 IsEmpty]: Start isEmpty. Operand 22887 states and 63053 transitions. [2022-01-18 01:00:04,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:00:04,534 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:00:04,534 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] [2022-01-18 01:00:04,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2022-01-18 01:00:04,534 INFO L402 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:00:04,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:00:04,535 INFO L85 PathProgramCache]: Analyzing trace with hash -716569939, now seen corresponding path program 85 times [2022-01-18 01:00:04,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:00:04,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167251351] [2022-01-18 01:00:04,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:00:04,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:00:04,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:00:04,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:00:04,832 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:00:04,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167251351] [2022-01-18 01:00:04,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167251351] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:00:04,832 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:00:04,832 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:00:04,832 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328308209] [2022-01-18 01:00:04,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:00:04,832 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:00:04,832 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:00:04,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:00:04,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:00:04,833 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) [2022-01-18 01:00:07,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:00:07,687 INFO L93 Difference]: Finished difference Result 41398 states and 113056 transitions. [2022-01-18 01:00:07,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-18 01:00:07,688 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 [2022-01-18 01:00:07,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:00:07,757 INFO L225 Difference]: With dead ends: 41398 [2022-01-18 01:00:07,757 INFO L226 Difference]: Without dead ends: 41398 [2022-01-18 01:00:07,758 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1008 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=642, Invalid=4908, Unknown=0, NotChecked=0, Total=5550 [2022-01-18 01:00:07,758 INFO L933 BasicCegarLoop]: 1123 mSDtfsCounter, 1884 mSDsluCounter, 23734 mSDsCounter, 0 mSdLazyCounter, 5083 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 01:00:07,758 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1884 Valid, 24559 Invalid, 5102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5083 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 01:00:07,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41398 states. [2022-01-18 01:00:08,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41398 to 22679. [2022-01-18 01:00:08,153 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) [2022-01-18 01:00:08,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22679 states to 22679 states and 62429 transitions. [2022-01-18 01:00:08,192 INFO L78 Accepts]: Start accepts. Automaton has 22679 states and 62429 transitions. Word has length 199 [2022-01-18 01:00:08,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:00:08,192 INFO L470 AbstractCegarLoop]: Abstraction has 22679 states and 62429 transitions. [2022-01-18 01:00:08,192 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) [2022-01-18 01:00:08,192 INFO L276 IsEmpty]: Start isEmpty. Operand 22679 states and 62429 transitions. [2022-01-18 01:00:08,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:00:08,217 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:00:08,217 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] [2022-01-18 01:00:08,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2022-01-18 01:00:08,217 INFO L402 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:00:08,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:00:08,218 INFO L85 PathProgramCache]: Analyzing trace with hash -22970031, now seen corresponding path program 86 times [2022-01-18 01:00:08,218 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:00:08,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900276105] [2022-01-18 01:00:08,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:00:08,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:00:08,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:00:08,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:00:08,531 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:00:08,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900276105] [2022-01-18 01:00:08,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900276105] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:00:08,531 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:00:08,531 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:00:08,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583881585] [2022-01-18 01:00:08,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:00:08,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:00:08,531 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:00:08,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:00:08,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:00:08,532 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) [2022-01-18 01:00:11,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:00:11,325 INFO L93 Difference]: Finished difference Result 38407 states and 104883 transitions. [2022-01-18 01:00:11,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-01-18 01:00:11,325 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 [2022-01-18 01:00:11,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:00:11,390 INFO L225 Difference]: With dead ends: 38407 [2022-01-18 01:00:11,390 INFO L226 Difference]: Without dead ends: 38407 [2022-01-18 01:00:11,390 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 [2022-01-18 01:00:11,391 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, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 01:00:11,391 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1948 Valid, 21270 Invalid, 4968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4945 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 01:00:11,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38407 states. [2022-01-18 01:00:11,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38407 to 22839. [2022-01-18 01:00:11,775 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) [2022-01-18 01:00:11,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22839 states to 22839 states and 62913 transitions. [2022-01-18 01:00:11,815 INFO L78 Accepts]: Start accepts. Automaton has 22839 states and 62913 transitions. Word has length 199 [2022-01-18 01:00:11,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:00:11,815 INFO L470 AbstractCegarLoop]: Abstraction has 22839 states and 62913 transitions. [2022-01-18 01:00:11,815 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) [2022-01-18 01:00:11,815 INFO L276 IsEmpty]: Start isEmpty. Operand 22839 states and 62913 transitions. [2022-01-18 01:00:11,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:00:11,841 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:00:11,841 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] [2022-01-18 01:00:11,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2022-01-18 01:00:11,841 INFO L402 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:00:11,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:00:11,841 INFO L85 PathProgramCache]: Analyzing trace with hash -2044768073, now seen corresponding path program 87 times [2022-01-18 01:00:11,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:00:11,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537836551] [2022-01-18 01:00:11,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:00:11,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:00:11,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:00:12,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:00:12,135 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:00:12,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537836551] [2022-01-18 01:00:12,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537836551] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:00:12,135 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:00:12,135 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:00:12,135 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072805949] [2022-01-18 01:00:12,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:00:12,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:00:12,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:00:12,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:00:12,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:00:12,136 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) [2022-01-18 01:00:14,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:00:14,834 INFO L93 Difference]: Finished difference Result 37503 states and 102683 transitions. [2022-01-18 01:00:14,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-18 01:00:14,835 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 [2022-01-18 01:00:14,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:00:14,897 INFO L225 Difference]: With dead ends: 37503 [2022-01-18 01:00:14,897 INFO L226 Difference]: Without dead ends: 37503 [2022-01-18 01:00:14,898 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 [2022-01-18 01:00:14,898 INFO L933 BasicCegarLoop]: 966 mSDtfsCounter, 1897 mSDsluCounter, 20598 mSDsCounter, 0 mSdLazyCounter, 4848 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 01:00:14,898 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1897 Valid, 21380 Invalid, 4871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4848 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 01:00:14,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37503 states. [2022-01-18 01:00:15,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37503 to 22775. [2022-01-18 01:00:15,290 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) [2022-01-18 01:00:15,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22775 states to 22775 states and 62705 transitions. [2022-01-18 01:00:15,331 INFO L78 Accepts]: Start accepts. Automaton has 22775 states and 62705 transitions. Word has length 199 [2022-01-18 01:00:15,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:00:15,331 INFO L470 AbstractCegarLoop]: Abstraction has 22775 states and 62705 transitions. [2022-01-18 01:00:15,331 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) [2022-01-18 01:00:15,331 INFO L276 IsEmpty]: Start isEmpty. Operand 22775 states and 62705 transitions. [2022-01-18 01:00:15,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:00:15,358 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:00:15,358 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] [2022-01-18 01:00:15,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2022-01-18 01:00:15,358 INFO L402 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:00:15,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:00:15,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1873001999, now seen corresponding path program 88 times [2022-01-18 01:00:15,358 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:00:15,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506497530] [2022-01-18 01:00:15,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:00:15,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:00:15,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:00:15,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:00:15,649 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:00:15,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506497530] [2022-01-18 01:00:15,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506497530] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:00:15,649 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:00:15,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:00:15,649 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521084441] [2022-01-18 01:00:15,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:00:15,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:00:15,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:00:15,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:00:15,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:00:15,650 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) [2022-01-18 01:00:18,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:00:18,205 INFO L93 Difference]: Finished difference Result 35308 states and 96510 transitions. [2022-01-18 01:00:18,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-18 01:00:18,206 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 [2022-01-18 01:00:18,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:00:18,262 INFO L225 Difference]: With dead ends: 35308 [2022-01-18 01:00:18,262 INFO L226 Difference]: Without dead ends: 35308 [2022-01-18 01:00:18,263 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 [2022-01-18 01:00:18,263 INFO L933 BasicCegarLoop]: 932 mSDtfsCounter, 1661 mSDsluCounter, 19999 mSDsCounter, 0 mSdLazyCounter, 4682 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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 [2022-01-18 01:00:18,263 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] [2022-01-18 01:00:18,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35308 states. [2022-01-18 01:00:18,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35308 to 22727. [2022-01-18 01:00:18,624 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) [2022-01-18 01:00:18,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22727 states to 22727 states and 62561 transitions. [2022-01-18 01:00:18,664 INFO L78 Accepts]: Start accepts. Automaton has 22727 states and 62561 transitions. Word has length 199 [2022-01-18 01:00:18,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:00:18,664 INFO L470 AbstractCegarLoop]: Abstraction has 22727 states and 62561 transitions. [2022-01-18 01:00:18,664 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) [2022-01-18 01:00:18,664 INFO L276 IsEmpty]: Start isEmpty. Operand 22727 states and 62561 transitions. [2022-01-18 01:00:18,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:00:18,690 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:00:18,691 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] [2022-01-18 01:00:18,691 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2022-01-18 01:00:18,691 INFO L402 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:00:18,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:00:18,691 INFO L85 PathProgramCache]: Analyzing trace with hash -2059258609, now seen corresponding path program 89 times [2022-01-18 01:00:18,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:00:18,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682563686] [2022-01-18 01:00:18,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:00:18,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:00:18,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:00:18,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:00:18,988 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:00:18,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682563686] [2022-01-18 01:00:18,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682563686] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:00:18,988 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:00:18,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:00:18,988 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957943152] [2022-01-18 01:00:18,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:00:18,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:00:18,988 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:00:18,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:00:18,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:00:18,989 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) [2022-01-18 01:00:21,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:00:21,839 INFO L93 Difference]: Finished difference Result 38999 states and 106473 transitions. [2022-01-18 01:00:21,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-18 01:00:21,840 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 [2022-01-18 01:00:21,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:00:21,905 INFO L225 Difference]: With dead ends: 38999 [2022-01-18 01:00:21,905 INFO L226 Difference]: Without dead ends: 38999 [2022-01-18 01:00:21,906 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 [2022-01-18 01:00:21,906 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 [2022-01-18 01:00:21,906 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] [2022-01-18 01:00:21,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38999 states. [2022-01-18 01:00:22,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38999 to 22839. [2022-01-18 01:00:22,290 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) [2022-01-18 01:00:22,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22839 states to 22839 states and 62913 transitions. [2022-01-18 01:00:22,331 INFO L78 Accepts]: Start accepts. Automaton has 22839 states and 62913 transitions. Word has length 199 [2022-01-18 01:00:22,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:00:22,332 INFO L470 AbstractCegarLoop]: Abstraction has 22839 states and 62913 transitions. [2022-01-18 01:00:22,332 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) [2022-01-18 01:00:22,332 INFO L276 IsEmpty]: Start isEmpty. Operand 22839 states and 62913 transitions. [2022-01-18 01:00:22,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:00:22,359 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:00:22,359 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] [2022-01-18 01:00:22,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2022-01-18 01:00:22,359 INFO L402 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:00:22,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:00:22,359 INFO L85 PathProgramCache]: Analyzing trace with hash 213910645, now seen corresponding path program 90 times [2022-01-18 01:00:22,359 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:00:22,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476231774] [2022-01-18 01:00:22,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:00:22,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:00:22,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:00:22,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:00:22,661 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:00:22,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476231774] [2022-01-18 01:00:22,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476231774] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:00:22,661 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:00:22,661 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:00:22,661 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699544006] [2022-01-18 01:00:22,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:00:22,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:00:22,661 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:00:22,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:00:22,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:00:22,662 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) [2022-01-18 01:00:25,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:00:25,480 INFO L93 Difference]: Finished difference Result 37987 states and 104005 transitions. [2022-01-18 01:00:25,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 01:00:25,481 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 [2022-01-18 01:00:25,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:00:25,542 INFO L225 Difference]: With dead ends: 37987 [2022-01-18 01:00:25,543 INFO L226 Difference]: Without dead ends: 37987 [2022-01-18 01:00:25,543 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1101 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=667, Invalid=5185, Unknown=0, NotChecked=0, Total=5852 [2022-01-18 01:00:25,543 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 [2022-01-18 01:00:25,544 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] [2022-01-18 01:00:25,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37987 states. [2022-01-18 01:00:25,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37987 to 22775. [2022-01-18 01:00:25,923 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) [2022-01-18 01:00:25,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22775 states to 22775 states and 62705 transitions. [2022-01-18 01:00:25,962 INFO L78 Accepts]: Start accepts. Automaton has 22775 states and 62705 transitions. Word has length 199 [2022-01-18 01:00:25,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:00:25,963 INFO L470 AbstractCegarLoop]: Abstraction has 22775 states and 62705 transitions. [2022-01-18 01:00:25,963 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) [2022-01-18 01:00:25,963 INFO L276 IsEmpty]: Start isEmpty. Operand 22775 states and 62705 transitions. [2022-01-18 01:00:25,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:00:25,988 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:00:25,988 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] [2022-01-18 01:00:25,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2022-01-18 01:00:25,989 INFO L402 AbstractCegarLoop]: === Iteration 115 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:00:25,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:00:25,989 INFO L85 PathProgramCache]: Analyzing trace with hash 563364529, now seen corresponding path program 91 times [2022-01-18 01:00:25,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:00:25,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027629216] [2022-01-18 01:00:25,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:00:25,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:00:25,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:00:26,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:00:26,297 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:00:26,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027629216] [2022-01-18 01:00:26,297 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027629216] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:00:26,297 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:00:26,297 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:00:26,297 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588354653] [2022-01-18 01:00:26,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:00:26,298 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:00:26,298 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:00:26,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:00:26,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:00:26,298 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) [2022-01-18 01:00:28,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:00:28,910 INFO L93 Difference]: Finished difference Result 34728 states and 95202 transitions. [2022-01-18 01:00:28,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-18 01:00:28,911 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 [2022-01-18 01:00:28,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:00:28,969 INFO L225 Difference]: With dead ends: 34728 [2022-01-18 01:00:28,969 INFO L226 Difference]: Without dead ends: 34728 [2022-01-18 01:00:28,970 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 849 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=580, Invalid=4390, Unknown=0, NotChecked=0, Total=4970 [2022-01-18 01:00:28,970 INFO L933 BasicCegarLoop]: 967 mSDtfsCounter, 1623 mSDsluCounter, 20535 mSDsCounter, 0 mSdLazyCounter, 4812 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 01:00:28,970 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1623 Valid, 21284 Invalid, 4831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4812 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 01:00:29,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34728 states. [2022-01-18 01:00:29,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34728 to 22691. [2022-01-18 01:00:29,325 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) [2022-01-18 01:00:29,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22691 states to 22691 states and 62462 transitions. [2022-01-18 01:00:29,366 INFO L78 Accepts]: Start accepts. Automaton has 22691 states and 62462 transitions. Word has length 199 [2022-01-18 01:00:29,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:00:29,366 INFO L470 AbstractCegarLoop]: Abstraction has 22691 states and 62462 transitions. [2022-01-18 01:00:29,366 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) [2022-01-18 01:00:29,367 INFO L276 IsEmpty]: Start isEmpty. Operand 22691 states and 62462 transitions. [2022-01-18 01:00:29,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:00:29,393 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:00:29,393 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] [2022-01-18 01:00:29,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2022-01-18 01:00:29,393 INFO L402 AbstractCegarLoop]: === Iteration 116 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:00:29,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:00:29,394 INFO L85 PathProgramCache]: Analyzing trace with hash 656766229, now seen corresponding path program 92 times [2022-01-18 01:00:29,394 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:00:29,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542875767] [2022-01-18 01:00:29,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:00:29,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:00:29,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:00:29,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:00:29,696 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:00:29,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542875767] [2022-01-18 01:00:29,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542875767] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:00:29,696 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:00:29,696 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:00:29,696 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918203529] [2022-01-18 01:00:29,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:00:29,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:00:29,697 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:00:29,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:00:29,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:00:29,697 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) [2022-01-18 01:00:32,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:00:32,778 INFO L93 Difference]: Finished difference Result 43045 states and 117349 transitions. [2022-01-18 01:00:32,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-01-18 01:00:32,778 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 [2022-01-18 01:00:32,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:00:32,850 INFO L225 Difference]: With dead ends: 43045 [2022-01-18 01:00:32,850 INFO L226 Difference]: Without dead ends: 43045 [2022-01-18 01:00:32,851 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 [2022-01-18 01:00:32,851 INFO L933 BasicCegarLoop]: 1051 mSDtfsCounter, 2094 mSDsluCounter, 22803 mSDsCounter, 0 mSdLazyCounter, 5412 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s 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, 1.8s IncrementalHoareTripleChecker+Time [2022-01-18 01:00:32,851 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2094 Valid, 23456 Invalid, 5435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5412 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-18 01:00:32,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43045 states. [2022-01-18 01:00:33,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43045 to 22819. [2022-01-18 01:00:33,267 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) [2022-01-18 01:00:33,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22819 states to 22819 states and 62862 transitions. [2022-01-18 01:00:33,309 INFO L78 Accepts]: Start accepts. Automaton has 22819 states and 62862 transitions. Word has length 199 [2022-01-18 01:00:33,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:00:33,309 INFO L470 AbstractCegarLoop]: Abstraction has 22819 states and 62862 transitions. [2022-01-18 01:00:33,309 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) [2022-01-18 01:00:33,309 INFO L276 IsEmpty]: Start isEmpty. Operand 22819 states and 62862 transitions. [2022-01-18 01:00:33,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:00:33,336 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:00:33,336 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] [2022-01-18 01:00:33,336 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2022-01-18 01:00:33,336 INFO L402 AbstractCegarLoop]: === Iteration 117 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:00:33,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:00:33,336 INFO L85 PathProgramCache]: Analyzing trace with hash -1365031813, now seen corresponding path program 93 times [2022-01-18 01:00:33,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:00:33,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035120333] [2022-01-18 01:00:33,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:00:33,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:00:33,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:00:33,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:00:33,641 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:00:33,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035120333] [2022-01-18 01:00:33,641 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035120333] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:00:33,642 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:00:33,642 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:00:33,642 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450048574] [2022-01-18 01:00:33,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:00:33,642 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:00:33,642 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:00:33,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:00:33,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:00:33,642 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) [2022-01-18 01:00:36,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:00:36,793 INFO L93 Difference]: Finished difference Result 41862 states and 114443 transitions. [2022-01-18 01:00:36,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-01-18 01:00:36,793 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 [2022-01-18 01:00:36,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:00:36,878 INFO L225 Difference]: With dead ends: 41862 [2022-01-18 01:00:36,879 INFO L226 Difference]: Without dead ends: 41862 [2022-01-18 01:00:36,880 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1284 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=744, Invalid=5736, Unknown=0, NotChecked=0, Total=6480 [2022-01-18 01:00:36,880 INFO L933 BasicCegarLoop]: 1097 mSDtfsCounter, 2068 mSDsluCounter, 23398 mSDsCounter, 0 mSdLazyCounter, 5228 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 01:00:36,880 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2068 Valid, 24208 Invalid, 5251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5228 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 01:00:36,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41862 states. [2022-01-18 01:00:37,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41862 to 22755. [2022-01-18 01:00:37,371 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) [2022-01-18 01:00:37,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22755 states to 22755 states and 62654 transitions. [2022-01-18 01:00:37,417 INFO L78 Accepts]: Start accepts. Automaton has 22755 states and 62654 transitions. Word has length 199 [2022-01-18 01:00:37,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:00:37,418 INFO L470 AbstractCegarLoop]: Abstraction has 22755 states and 62654 transitions. [2022-01-18 01:00:37,418 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) [2022-01-18 01:00:37,418 INFO L276 IsEmpty]: Start isEmpty. Operand 22755 states and 62654 transitions. [2022-01-18 01:00:37,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:00:37,445 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:00:37,445 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] [2022-01-18 01:00:37,445 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2022-01-18 01:00:37,445 INFO L402 AbstractCegarLoop]: === Iteration 118 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:00:37,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:00:37,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1015577929, now seen corresponding path program 94 times [2022-01-18 01:00:37,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:00:37,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191054645] [2022-01-18 01:00:37,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:00:37,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:00:37,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:00:37,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:00:37,753 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:00:37,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191054645] [2022-01-18 01:00:37,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191054645] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:00:37,753 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:00:37,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:00:37,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32027643] [2022-01-18 01:00:37,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:00:37,753 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:00:37,753 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:00:37,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:00:37,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:00:37,754 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) [2022-01-18 01:00:40,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:00:40,652 INFO L93 Difference]: Finished difference Result 38032 states and 104196 transitions. [2022-01-18 01:00:40,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-18 01:00:40,652 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 [2022-01-18 01:00:40,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:00:40,718 INFO L225 Difference]: With dead ends: 38032 [2022-01-18 01:00:40,718 INFO L226 Difference]: Without dead ends: 38032 [2022-01-18 01:00:40,719 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 967 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=629, Invalid=4773, Unknown=0, NotChecked=0, Total=5402 [2022-01-18 01:00:40,719 INFO L933 BasicCegarLoop]: 1042 mSDtfsCounter, 1778 mSDsluCounter, 22085 mSDsCounter, 0 mSdLazyCounter, 5040 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 01:00:40,719 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1778 Valid, 22869 Invalid, 5059 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5040 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 01:00:40,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38032 states. [2022-01-18 01:00:41,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38032 to 22707. [2022-01-18 01:00:41,149 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) [2022-01-18 01:00:41,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22707 states to 22707 states and 62510 transitions. [2022-01-18 01:00:41,190 INFO L78 Accepts]: Start accepts. Automaton has 22707 states and 62510 transitions. Word has length 199 [2022-01-18 01:00:41,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:00:41,191 INFO L470 AbstractCegarLoop]: Abstraction has 22707 states and 62510 transitions. [2022-01-18 01:00:41,191 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) [2022-01-18 01:00:41,191 INFO L276 IsEmpty]: Start isEmpty. Operand 22707 states and 62510 transitions. [2022-01-18 01:00:41,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:00:41,220 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:00:41,220 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] [2022-01-18 01:00:41,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2022-01-18 01:00:41,220 INFO L402 AbstractCegarLoop]: === Iteration 119 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:00:41,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:00:41,220 INFO L85 PathProgramCache]: Analyzing trace with hash -13205949, now seen corresponding path program 95 times [2022-01-18 01:00:41,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:00:41,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714111189] [2022-01-18 01:00:41,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:00:41,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:00:41,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:00:41,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:00:41,535 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:00:41,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714111189] [2022-01-18 01:00:41,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714111189] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:00:41,535 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:00:41,535 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:00:41,535 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715323421] [2022-01-18 01:00:41,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:00:41,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:00:41,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:00:41,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:00:41,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:00:41,536 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) [2022-01-18 01:00:44,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:00:44,413 INFO L93 Difference]: Finished difference Result 38766 states and 105890 transitions. [2022-01-18 01:00:44,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-18 01:00:44,414 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 [2022-01-18 01:00:44,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:00:44,485 INFO L225 Difference]: With dead ends: 38766 [2022-01-18 01:00:44,485 INFO L226 Difference]: Without dead ends: 38766 [2022-01-18 01:00:44,486 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 967 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=626, Invalid=4776, Unknown=0, NotChecked=0, Total=5402 [2022-01-18 01:00:44,486 INFO L933 BasicCegarLoop]: 1071 mSDtfsCounter, 1770 mSDsluCounter, 22748 mSDsCounter, 0 mSdLazyCounter, 4971 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 01:00:44,486 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1770 Valid, 23538 Invalid, 4990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4971 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 01:00:44,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38766 states. [2022-01-18 01:00:45,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38766 to 22523. [2022-01-18 01:00:45,032 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) [2022-01-18 01:00:45,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22523 states to 22523 states and 62000 transitions. [2022-01-18 01:00:45,076 INFO L78 Accepts]: Start accepts. Automaton has 22523 states and 62000 transitions. Word has length 199 [2022-01-18 01:00:45,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:00:45,076 INFO L470 AbstractCegarLoop]: Abstraction has 22523 states and 62000 transitions. [2022-01-18 01:00:45,076 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) [2022-01-18 01:00:45,076 INFO L276 IsEmpty]: Start isEmpty. Operand 22523 states and 62000 transitions. [2022-01-18 01:00:45,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:00:45,106 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:00:45,106 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] [2022-01-18 01:00:45,106 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2022-01-18 01:00:45,106 INFO L402 AbstractCegarLoop]: === Iteration 120 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:00:45,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:00:45,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1101640587, now seen corresponding path program 96 times [2022-01-18 01:00:45,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:00:45,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59290032] [2022-01-18 01:00:45,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:00:45,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:00:45,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:00:45,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:00:45,408 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:00:45,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59290032] [2022-01-18 01:00:45,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59290032] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:00:45,408 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:00:45,408 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:00:45,408 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952173245] [2022-01-18 01:00:45,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:00:45,409 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:00:45,409 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:00:45,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:00:45,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:00:45,409 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) [2022-01-18 01:00:48,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:00:48,815 INFO L93 Difference]: Finished difference Result 46894 states and 127588 transitions. [2022-01-18 01:00:48,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-01-18 01:00:48,816 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 [2022-01-18 01:00:48,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:00:48,904 INFO L225 Difference]: With dead ends: 46894 [2022-01-18 01:00:48,904 INFO L226 Difference]: Without dead ends: 46894 [2022-01-18 01:00:48,905 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1390 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=857, Invalid=6115, Unknown=0, NotChecked=0, Total=6972 [2022-01-18 01:00:48,905 INFO L933 BasicCegarLoop]: 1126 mSDtfsCounter, 2340 mSDsluCounter, 24437 mSDsCounter, 0 mSdLazyCounter, 5690 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s 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, 1.9s IncrementalHoareTripleChecker+Time [2022-01-18 01:00:48,905 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2340 Valid, 25085 Invalid, 5713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5690 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-01-18 01:00:48,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46894 states. [2022-01-18 01:00:49,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46894 to 22875. [2022-01-18 01:00:49,384 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) [2022-01-18 01:00:49,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22875 states to 22875 states and 63072 transitions. [2022-01-18 01:00:49,431 INFO L78 Accepts]: Start accepts. Automaton has 22875 states and 63072 transitions. Word has length 199 [2022-01-18 01:00:49,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:00:49,431 INFO L470 AbstractCegarLoop]: Abstraction has 22875 states and 63072 transitions. [2022-01-18 01:00:49,431 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) [2022-01-18 01:00:49,431 INFO L276 IsEmpty]: Start isEmpty. Operand 22875 states and 63072 transitions. [2022-01-18 01:00:49,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:00:49,461 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:00:49,461 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] [2022-01-18 01:00:49,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2022-01-18 01:00:49,461 INFO L402 AbstractCegarLoop]: === Iteration 121 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:00:49,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:00:49,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1171528667, now seen corresponding path program 97 times [2022-01-18 01:00:49,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:00:49,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257254005] [2022-01-18 01:00:49,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:00:49,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:00:49,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:00:49,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:00:49,771 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:00:49,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257254005] [2022-01-18 01:00:49,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257254005] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:00:49,771 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:00:49,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:00:49,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141049278] [2022-01-18 01:00:49,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:00:49,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:00:49,772 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:00:49,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:00:49,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:00:49,772 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) [2022-01-18 01:00:52,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:00:52,980 INFO L93 Difference]: Finished difference Result 44169 states and 120638 transitions. [2022-01-18 01:00:52,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-01-18 01:00:52,981 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 [2022-01-18 01:00:52,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:00:53,060 INFO L225 Difference]: With dead ends: 44169 [2022-01-18 01:00:53,060 INFO L226 Difference]: Without dead ends: 44169 [2022-01-18 01:00:53,061 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1383 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=795, Invalid=6011, Unknown=0, NotChecked=0, Total=6806 [2022-01-18 01:00:53,061 INFO L933 BasicCegarLoop]: 1108 mSDtfsCounter, 2236 mSDsluCounter, 23793 mSDsCounter, 0 mSdLazyCounter, 5281 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s 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, 1.8s IncrementalHoareTripleChecker+Time [2022-01-18 01:00:53,062 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2236 Valid, 24567 Invalid, 5304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5281 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-18 01:00:53,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44169 states. [2022-01-18 01:00:53,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44169 to 22811. [2022-01-18 01:00:53,533 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) [2022-01-18 01:00:53,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22811 states to 22811 states and 62864 transitions. [2022-01-18 01:00:53,575 INFO L78 Accepts]: Start accepts. Automaton has 22811 states and 62864 transitions. Word has length 199 [2022-01-18 01:00:53,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:00:53,576 INFO L470 AbstractCegarLoop]: Abstraction has 22811 states and 62864 transitions. [2022-01-18 01:00:53,576 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) [2022-01-18 01:00:53,576 INFO L276 IsEmpty]: Start isEmpty. Operand 22811 states and 62864 transitions. [2022-01-18 01:00:53,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:00:53,602 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:00:53,602 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] [2022-01-18 01:00:53,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2022-01-18 01:00:53,602 INFO L402 AbstractCegarLoop]: === Iteration 122 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:00:53,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:00:53,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1200301259, now seen corresponding path program 98 times [2022-01-18 01:00:53,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:00:53,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637469202] [2022-01-18 01:00:53,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:00:53,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:00:53,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:00:53,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:00:53,908 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:00:53,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637469202] [2022-01-18 01:00:53,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637469202] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:00:53,908 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:00:53,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:00:53,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175246261] [2022-01-18 01:00:53,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:00:53,908 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:00:53,908 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:00:53,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:00:53,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:00:53,909 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) [2022-01-18 01:00:56,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:00:56,944 INFO L93 Difference]: Finished difference Result 42311 states and 115853 transitions. [2022-01-18 01:00:56,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 01:00:56,945 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 [2022-01-18 01:00:56,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:00:57,020 INFO L225 Difference]: With dead ends: 42311 [2022-01-18 01:00:57,020 INFO L226 Difference]: Without dead ends: 42311 [2022-01-18 01:00:57,021 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1093 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=690, Invalid=5162, Unknown=0, NotChecked=0, Total=5852 [2022-01-18 01:00:57,021 INFO L933 BasicCegarLoop]: 1103 mSDtfsCounter, 1966 mSDsluCounter, 23332 mSDsCounter, 0 mSdLazyCounter, 5245 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 01:00:57,021 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1966 Valid, 24118 Invalid, 5264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5245 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 01:00:57,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42311 states. [2022-01-18 01:00:57,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42311 to 22763. [2022-01-18 01:00:57,470 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) [2022-01-18 01:00:57,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22763 states to 22763 states and 62720 transitions. [2022-01-18 01:00:57,512 INFO L78 Accepts]: Start accepts. Automaton has 22763 states and 62720 transitions. Word has length 199 [2022-01-18 01:00:57,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:00:57,512 INFO L470 AbstractCegarLoop]: Abstraction has 22763 states and 62720 transitions. [2022-01-18 01:00:57,512 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) [2022-01-18 01:00:57,512 INFO L276 IsEmpty]: Start isEmpty. Operand 22763 states and 62720 transitions. [2022-01-18 01:00:57,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:00:57,539 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:00:57,539 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] [2022-01-18 01:00:57,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2022-01-18 01:00:57,540 INFO L402 AbstractCegarLoop]: === Iteration 123 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:00:57,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:00:57,540 INFO L85 PathProgramCache]: Analyzing trace with hash 400985641, now seen corresponding path program 99 times [2022-01-18 01:00:57,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:00:57,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261912643] [2022-01-18 01:00:57,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:00:57,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:00:57,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:00:57,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:00:57,841 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:00:57,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261912643] [2022-01-18 01:00:57,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261912643] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:00:57,841 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:00:57,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:00:57,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141507535] [2022-01-18 01:00:57,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:00:57,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:00:57,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:00:57,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:00:57,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:00:57,842 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) [2022-01-18 01:01:00,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:01:00,857 INFO L93 Difference]: Finished difference Result 43669 states and 119245 transitions. [2022-01-18 01:01:00,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 01:01:00,857 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 [2022-01-18 01:01:00,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:01:00,946 INFO L225 Difference]: With dead ends: 43669 [2022-01-18 01:01:00,946 INFO L226 Difference]: Without dead ends: 43669 [2022-01-18 01:01:00,947 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1092 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=690, Invalid=5162, Unknown=0, NotChecked=0, Total=5852 [2022-01-18 01:01:00,947 INFO L933 BasicCegarLoop]: 1116 mSDtfsCounter, 2022 mSDsluCounter, 23612 mSDsCounter, 0 mSdLazyCounter, 5170 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 01:01:00,947 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2022 Valid, 24408 Invalid, 5189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5170 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 01:01:01,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43669 states. [2022-01-18 01:01:01,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43669 to 22747. [2022-01-18 01:01:01,411 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) [2022-01-18 01:01:01,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22747 states to 22747 states and 62672 transitions. [2022-01-18 01:01:01,453 INFO L78 Accepts]: Start accepts. Automaton has 22747 states and 62672 transitions. Word has length 199 [2022-01-18 01:01:01,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:01:01,453 INFO L470 AbstractCegarLoop]: Abstraction has 22747 states and 62672 transitions. [2022-01-18 01:01:01,453 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) [2022-01-18 01:01:01,453 INFO L276 IsEmpty]: Start isEmpty. Operand 22747 states and 62672 transitions. [2022-01-18 01:01:01,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:01:01,480 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:01:01,480 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] [2022-01-18 01:01:01,481 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2022-01-18 01:01:01,481 INFO L402 AbstractCegarLoop]: === Iteration 124 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:01:01,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:01:01,481 INFO L85 PathProgramCache]: Analyzing trace with hash -200245677, now seen corresponding path program 100 times [2022-01-18 01:01:01,481 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:01:01,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833547672] [2022-01-18 01:01:01,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:01:01,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:01:01,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:01:01,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:01:01,785 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:01:01,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833547672] [2022-01-18 01:01:01,785 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833547672] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:01:01,785 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:01:01,786 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:01:01,786 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032327369] [2022-01-18 01:01:01,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:01:01,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:01:01,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:01:01,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:01:01,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:01:01,786 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) [2022-01-18 01:01:04,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:01:04,815 INFO L93 Difference]: Finished difference Result 44912 states and 122417 transitions. [2022-01-18 01:01:04,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 01:01:04,816 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 [2022-01-18 01:01:04,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:01:04,893 INFO L225 Difference]: With dead ends: 44912 [2022-01-18 01:01:04,893 INFO L226 Difference]: Without dead ends: 44912 [2022-01-18 01:01:04,894 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1091 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=687, Invalid=5165, Unknown=0, NotChecked=0, Total=5852 [2022-01-18 01:01:04,894 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 [2022-01-18 01:01:04,894 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] [2022-01-18 01:01:04,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44912 states. [2022-01-18 01:01:05,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44912 to 22539. [2022-01-18 01:01:05,388 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) [2022-01-18 01:01:05,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22539 states to 22539 states and 62048 transitions. [2022-01-18 01:01:05,431 INFO L78 Accepts]: Start accepts. Automaton has 22539 states and 62048 transitions. Word has length 199 [2022-01-18 01:01:05,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:01:05,431 INFO L470 AbstractCegarLoop]: Abstraction has 22539 states and 62048 transitions. [2022-01-18 01:01:05,431 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) [2022-01-18 01:01:05,431 INFO L276 IsEmpty]: Start isEmpty. Operand 22539 states and 62048 transitions. [2022-01-18 01:01:05,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:01:05,458 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:01:05,458 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] [2022-01-18 01:01:05,458 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2022-01-18 01:01:05,458 INFO L402 AbstractCegarLoop]: === Iteration 125 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:01:05,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:01:05,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1729767825, now seen corresponding path program 101 times [2022-01-18 01:01:05,459 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:01:05,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302898510] [2022-01-18 01:01:05,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:01:05,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:01:05,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:01:05,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:01:05,763 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:01:05,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302898510] [2022-01-18 01:01:05,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302898510] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:01:05,763 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:01:05,763 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:01:05,763 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675828863] [2022-01-18 01:01:05,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:01:05,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:01:05,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:01:05,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:01:05,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:01:05,764 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) [2022-01-18 01:01:08,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:01:08,615 INFO L93 Difference]: Finished difference Result 40481 states and 110309 transitions. [2022-01-18 01:01:08,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-18 01:01:08,615 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 [2022-01-18 01:01:08,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:01:08,687 INFO L225 Difference]: With dead ends: 40481 [2022-01-18 01:01:08,687 INFO L226 Difference]: Without dead ends: 40481 [2022-01-18 01:01:08,688 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 [2022-01-18 01:01:08,688 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, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 01:01:08,688 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1897 Valid, 24260 Invalid, 4938 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4919 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 01:01:08,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40481 states. [2022-01-18 01:01:09,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40481 to 22511. [2022-01-18 01:01:09,130 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) [2022-01-18 01:01:09,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22511 states to 22511 states and 61967 transitions. [2022-01-18 01:01:09,176 INFO L78 Accepts]: Start accepts. Automaton has 22511 states and 61967 transitions. Word has length 199 [2022-01-18 01:01:09,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:01:09,176 INFO L470 AbstractCegarLoop]: Abstraction has 22511 states and 61967 transitions. [2022-01-18 01:01:09,176 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) [2022-01-18 01:01:09,176 INFO L276 IsEmpty]: Start isEmpty. Operand 22511 states and 61967 transitions. [2022-01-18 01:01:09,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:01:09,206 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:01:09,206 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] [2022-01-18 01:01:09,206 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2022-01-18 01:01:09,206 INFO L402 AbstractCegarLoop]: === Iteration 126 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:01:09,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:01:09,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1254609193, now seen corresponding path program 102 times [2022-01-18 01:01:09,206 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:01:09,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673854] [2022-01-18 01:01:09,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:01:09,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:01:09,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:01:09,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:01:09,524 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:01:09,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673854] [2022-01-18 01:01:09,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673854] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:01:09,525 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:01:09,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:01:09,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153946704] [2022-01-18 01:01:09,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:01:09,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:01:09,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:01:09,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:01:09,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:01:09,525 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) [2022-01-18 01:01:12,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:01:12,717 INFO L93 Difference]: Finished difference Result 44816 states and 122126 transitions. [2022-01-18 01:01:12,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-01-18 01:01:12,718 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 [2022-01-18 01:01:12,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:01:12,799 INFO L225 Difference]: With dead ends: 44816 [2022-01-18 01:01:12,799 INFO L226 Difference]: Without dead ends: 44816 [2022-01-18 01:01:12,800 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1272 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=761, Invalid=5719, Unknown=0, NotChecked=0, Total=6480 [2022-01-18 01:01:12,800 INFO L933 BasicCegarLoop]: 1051 mSDtfsCounter, 2226 mSDsluCounter, 23031 mSDsCounter, 0 mSdLazyCounter, 5239 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s 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, 1.8s IncrementalHoareTripleChecker+Time [2022-01-18 01:01:12,800 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2226 Valid, 23682 Invalid, 5262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5239 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-18 01:01:12,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44816 states. [2022-01-18 01:01:13,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44816 to 23051. [2022-01-18 01:01:13,261 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) [2022-01-18 01:01:13,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23051 states to 23051 states and 63552 transitions. [2022-01-18 01:01:13,302 INFO L78 Accepts]: Start accepts. Automaton has 23051 states and 63552 transitions. Word has length 199 [2022-01-18 01:01:13,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:01:13,302 INFO L470 AbstractCegarLoop]: Abstraction has 23051 states and 63552 transitions. [2022-01-18 01:01:13,303 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) [2022-01-18 01:01:13,303 INFO L276 IsEmpty]: Start isEmpty. Operand 23051 states and 63552 transitions. [2022-01-18 01:01:13,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:01:13,330 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:01:13,330 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] [2022-01-18 01:01:13,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2022-01-18 01:01:13,330 INFO L402 AbstractCegarLoop]: === Iteration 127 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:01:13,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:01:13,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1018560061, now seen corresponding path program 103 times [2022-01-18 01:01:13,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:01:13,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112871087] [2022-01-18 01:01:13,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:01:13,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:01:13,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:01:13,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:01:13,646 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:01:13,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112871087] [2022-01-18 01:01:13,646 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112871087] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:01:13,647 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:01:13,647 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:01:13,647 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987178746] [2022-01-18 01:01:13,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:01:13,647 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:01:13,647 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:01:13,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:01:13,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:01:13,647 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) [2022-01-18 01:01:16,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:01:16,781 INFO L93 Difference]: Finished difference Result 42969 states and 117483 transitions. [2022-01-18 01:01:16,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-01-18 01:01:16,782 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 [2022-01-18 01:01:16,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:01:16,864 INFO L225 Difference]: With dead ends: 42969 [2022-01-18 01:01:16,865 INFO L226 Difference]: Without dead ends: 42969 [2022-01-18 01:01:16,866 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1395 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=760, Invalid=6046, Unknown=0, NotChecked=0, Total=6806 [2022-01-18 01:01:16,866 INFO L933 BasicCegarLoop]: 1057 mSDtfsCounter, 2185 mSDsluCounter, 22886 mSDsCounter, 0 mSdLazyCounter, 5058 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 01:01:16,866 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2185 Valid, 23672 Invalid, 5081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5058 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 01:01:16,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42969 states. [2022-01-18 01:01:17,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42969 to 22987. [2022-01-18 01:01:17,327 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) [2022-01-18 01:01:17,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22987 states to 22987 states and 63344 transitions. [2022-01-18 01:01:17,369 INFO L78 Accepts]: Start accepts. Automaton has 22987 states and 63344 transitions. Word has length 199 [2022-01-18 01:01:17,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:01:17,369 INFO L470 AbstractCegarLoop]: Abstraction has 22987 states and 63344 transitions. [2022-01-18 01:01:17,369 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) [2022-01-18 01:01:17,369 INFO L276 IsEmpty]: Start isEmpty. Operand 22987 states and 63344 transitions. [2022-01-18 01:01:17,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:01:17,397 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:01:17,397 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] [2022-01-18 01:01:17,397 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2022-01-18 01:01:17,397 INFO L402 AbstractCegarLoop]: === Iteration 128 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:01:17,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:01:17,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1353269865, now seen corresponding path program 104 times [2022-01-18 01:01:17,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:01:17,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543435927] [2022-01-18 01:01:17,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:01:17,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:01:17,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:01:17,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:01:17,711 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:01:17,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543435927] [2022-01-18 01:01:17,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543435927] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:01:17,711 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:01:17,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:01:17,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476533806] [2022-01-18 01:01:17,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:01:17,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:01:17,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:01:17,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:01:17,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:01:17,712 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) [2022-01-18 01:01:20,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:01:20,676 INFO L93 Difference]: Finished difference Result 41111 states and 112698 transitions. [2022-01-18 01:01:20,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 01:01:20,677 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 [2022-01-18 01:01:20,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:01:20,748 INFO L225 Difference]: With dead ends: 41111 [2022-01-18 01:01:20,749 INFO L226 Difference]: Without dead ends: 41111 [2022-01-18 01:01:20,750 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1101 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=665, Invalid=5187, Unknown=0, NotChecked=0, Total=5852 [2022-01-18 01:01:20,750 INFO L933 BasicCegarLoop]: 1052 mSDtfsCounter, 1915 mSDsluCounter, 22523 mSDsCounter, 0 mSdLazyCounter, 5014 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 01:01:20,750 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1915 Valid, 23315 Invalid, 5033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5014 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 01:01:20,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41111 states. [2022-01-18 01:01:21,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41111 to 22939. [2022-01-18 01:01:21,212 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) [2022-01-18 01:01:21,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22939 states to 22939 states and 63200 transitions. [2022-01-18 01:01:21,473 INFO L78 Accepts]: Start accepts. Automaton has 22939 states and 63200 transitions. Word has length 199 [2022-01-18 01:01:21,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:01:21,474 INFO L470 AbstractCegarLoop]: Abstraction has 22939 states and 63200 transitions. [2022-01-18 01:01:21,474 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) [2022-01-18 01:01:21,474 INFO L276 IsEmpty]: Start isEmpty. Operand 22939 states and 63200 transitions. [2022-01-18 01:01:21,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:01:21,503 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:01:21,503 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] [2022-01-18 01:01:21,504 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2022-01-18 01:01:21,504 INFO L402 AbstractCegarLoop]: === Iteration 129 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:01:21,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:01:21,505 INFO L85 PathProgramCache]: Analyzing trace with hash 248017035, now seen corresponding path program 105 times [2022-01-18 01:01:21,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:01:21,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999457503] [2022-01-18 01:01:21,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:01:21,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:01:21,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:01:21,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:01:21,870 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:01:21,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999457503] [2022-01-18 01:01:21,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999457503] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:01:21,870 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:01:21,870 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:01:21,870 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692974623] [2022-01-18 01:01:21,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:01:21,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:01:21,871 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:01:21,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:01:21,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:01:21,871 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) [2022-01-18 01:01:24,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:01:24,801 INFO L93 Difference]: Finished difference Result 42469 states and 116090 transitions. [2022-01-18 01:01:24,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 01:01:24,802 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 [2022-01-18 01:01:24,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:01:24,876 INFO L225 Difference]: With dead ends: 42469 [2022-01-18 01:01:24,876 INFO L226 Difference]: Without dead ends: 42469 [2022-01-18 01:01:24,877 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1102 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=662, Invalid=5190, Unknown=0, NotChecked=0, Total=5852 [2022-01-18 01:01:24,877 INFO L933 BasicCegarLoop]: 1065 mSDtfsCounter, 1971 mSDsluCounter, 22813 mSDsCounter, 0 mSdLazyCounter, 4932 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 01:01:24,877 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1971 Valid, 23616 Invalid, 4951 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4932 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 01:01:24,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42469 states. [2022-01-18 01:01:25,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42469 to 22923. [2022-01-18 01:01:25,322 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) [2022-01-18 01:01:25,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22923 states to 22923 states and 63152 transitions. [2022-01-18 01:01:25,567 INFO L78 Accepts]: Start accepts. Automaton has 22923 states and 63152 transitions. Word has length 199 [2022-01-18 01:01:25,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:01:25,567 INFO L470 AbstractCegarLoop]: Abstraction has 22923 states and 63152 transitions. [2022-01-18 01:01:25,567 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) [2022-01-18 01:01:25,567 INFO L276 IsEmpty]: Start isEmpty. Operand 22923 states and 63152 transitions. [2022-01-18 01:01:25,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:01:25,596 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:01:25,596 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] [2022-01-18 01:01:25,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2022-01-18 01:01:25,597 INFO L402 AbstractCegarLoop]: === Iteration 130 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:01:25,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:01:25,597 INFO L85 PathProgramCache]: Analyzing trace with hash -353214283, now seen corresponding path program 106 times [2022-01-18 01:01:25,597 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:01:25,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639444203] [2022-01-18 01:01:25,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:01:25,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:01:25,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:01:25,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:01:25,902 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:01:25,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639444203] [2022-01-18 01:01:25,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639444203] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:01:25,902 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:01:25,902 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:01:25,902 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072756426] [2022-01-18 01:01:25,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:01:25,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:01:25,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:01:25,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:01:25,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:01:25,903 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) [2022-01-18 01:01:28,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:01:28,749 INFO L93 Difference]: Finished difference Result 41462 states and 113232 transitions. [2022-01-18 01:01:28,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-18 01:01:28,750 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 [2022-01-18 01:01:28,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:01:28,822 INFO L225 Difference]: With dead ends: 41462 [2022-01-18 01:01:28,822 INFO L226 Difference]: Without dead ends: 41462 [2022-01-18 01:01:28,823 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 [2022-01-18 01:01:28,823 INFO L933 BasicCegarLoop]: 1112 mSDtfsCounter, 1821 mSDsluCounter, 23746 mSDsCounter, 0 mSdLazyCounter, 4961 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 01:01:28,823 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1821 Valid, 24577 Invalid, 4980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4961 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 01:01:28,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41462 states. [2022-01-18 01:01:29,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41462 to 22715. [2022-01-18 01:01:29,470 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) [2022-01-18 01:01:29,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22715 states to 22715 states and 62528 transitions. [2022-01-18 01:01:29,511 INFO L78 Accepts]: Start accepts. Automaton has 22715 states and 62528 transitions. Word has length 199 [2022-01-18 01:01:29,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:01:29,511 INFO L470 AbstractCegarLoop]: Abstraction has 22715 states and 62528 transitions. [2022-01-18 01:01:29,511 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) [2022-01-18 01:01:29,511 INFO L276 IsEmpty]: Start isEmpty. Operand 22715 states and 62528 transitions. [2022-01-18 01:01:29,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:01:29,538 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:01:29,538 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] [2022-01-18 01:01:29,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2022-01-18 01:01:29,538 INFO L402 AbstractCegarLoop]: === Iteration 131 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:01:29,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:01:29,538 INFO L85 PathProgramCache]: Analyzing trace with hash 340385625, now seen corresponding path program 107 times [2022-01-18 01:01:29,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:01:29,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402992161] [2022-01-18 01:01:29,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:01:29,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:01:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:01:29,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:01:29,836 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:01:29,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402992161] [2022-01-18 01:01:29,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402992161] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:01:29,836 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:01:29,836 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:01:29,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396788223] [2022-01-18 01:01:29,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:01:29,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:01:29,837 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:01:29,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:01:29,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:01:29,837 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) [2022-01-18 01:01:32,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:01:32,577 INFO L93 Difference]: Finished difference Result 38471 states and 105059 transitions. [2022-01-18 01:01:32,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-01-18 01:01:32,578 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 [2022-01-18 01:01:32,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:01:32,650 INFO L225 Difference]: With dead ends: 38471 [2022-01-18 01:01:32,650 INFO L226 Difference]: Without dead ends: 38471 [2022-01-18 01:01:32,651 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 878 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=623, Invalid=4489, Unknown=0, NotChecked=0, Total=5112 [2022-01-18 01:01:32,651 INFO L933 BasicCegarLoop]: 931 mSDtfsCounter, 1863 mSDsluCounter, 20163 mSDsCounter, 0 mSdLazyCounter, 4702 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 01:01:32,651 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1863 Valid, 20824 Invalid, 4725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4702 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 01:01:32,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38471 states. [2022-01-18 01:01:33,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38471 to 22875. [2022-01-18 01:01:33,237 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) [2022-01-18 01:01:33,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22875 states to 22875 states and 63012 transitions. [2022-01-18 01:01:33,279 INFO L78 Accepts]: Start accepts. Automaton has 22875 states and 63012 transitions. Word has length 199 [2022-01-18 01:01:33,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:01:33,279 INFO L470 AbstractCegarLoop]: Abstraction has 22875 states and 63012 transitions. [2022-01-18 01:01:33,279 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) [2022-01-18 01:01:33,279 INFO L276 IsEmpty]: Start isEmpty. Operand 22875 states and 63012 transitions. [2022-01-18 01:01:33,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:01:33,307 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:01:33,307 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] [2022-01-18 01:01:33,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2022-01-18 01:01:33,307 INFO L402 AbstractCegarLoop]: === Iteration 132 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:01:33,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:01:33,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1681412417, now seen corresponding path program 108 times [2022-01-18 01:01:33,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:01:33,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420505094] [2022-01-18 01:01:33,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:01:33,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:01:33,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:01:33,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:01:33,611 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:01:33,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420505094] [2022-01-18 01:01:33,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420505094] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:01:33,612 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:01:33,612 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:01:33,612 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304408810] [2022-01-18 01:01:33,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:01:33,612 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:01:33,612 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:01:33,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:01:33,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:01:33,613 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) [2022-01-18 01:01:36,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:01:36,374 INFO L93 Difference]: Finished difference Result 37567 states and 102859 transitions. [2022-01-18 01:01:36,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-18 01:01:36,375 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 [2022-01-18 01:01:36,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:01:36,446 INFO L225 Difference]: With dead ends: 37567 [2022-01-18 01:01:36,446 INFO L226 Difference]: Without dead ends: 37567 [2022-01-18 01:01:36,447 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 [2022-01-18 01:01:36,448 INFO L933 BasicCegarLoop]: 955 mSDtfsCounter, 1834 mSDsluCounter, 20406 mSDsCounter, 0 mSdLazyCounter, 4688 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 01:01:36,448 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1834 Valid, 21202 Invalid, 4711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4688 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 01:01:36,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37567 states. [2022-01-18 01:01:36,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37567 to 22811. [2022-01-18 01:01:37,008 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) [2022-01-18 01:01:37,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22811 states to 22811 states and 62804 transitions. [2022-01-18 01:01:37,051 INFO L78 Accepts]: Start accepts. Automaton has 22811 states and 62804 transitions. Word has length 199 [2022-01-18 01:01:37,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:01:37,051 INFO L470 AbstractCegarLoop]: Abstraction has 22811 states and 62804 transitions. [2022-01-18 01:01:37,051 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) [2022-01-18 01:01:37,051 INFO L276 IsEmpty]: Start isEmpty. Operand 22811 states and 62804 transitions. [2022-01-18 01:01:37,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:01:37,079 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:01:37,079 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] [2022-01-18 01:01:37,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2022-01-18 01:01:37,079 INFO L402 AbstractCegarLoop]: === Iteration 133 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:01:37,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:01:37,080 INFO L85 PathProgramCache]: Analyzing trace with hash -2058609641, now seen corresponding path program 109 times [2022-01-18 01:01:37,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:01:37,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433848080] [2022-01-18 01:01:37,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:01:37,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:01:37,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:01:37,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:01:37,377 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:01:37,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433848080] [2022-01-18 01:01:37,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433848080] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:01:37,377 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:01:37,377 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:01:37,377 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009702630] [2022-01-18 01:01:37,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:01:37,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:01:37,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:01:37,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:01:37,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:01:37,378 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) [2022-01-18 01:01:39,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:01:39,906 INFO L93 Difference]: Finished difference Result 35372 states and 96686 transitions. [2022-01-18 01:01:39,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-18 01:01:39,907 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 [2022-01-18 01:01:39,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:01:39,975 INFO L225 Difference]: With dead ends: 35372 [2022-01-18 01:01:39,975 INFO L226 Difference]: Without dead ends: 35372 [2022-01-18 01:01:39,976 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 [2022-01-18 01:01:39,976 INFO L933 BasicCegarLoop]: 910 mSDtfsCounter, 1627 mSDsluCounter, 19553 mSDsCounter, 0 mSdLazyCounter, 4429 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:01:39,976 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1627 Valid, 20214 Invalid, 4448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4429 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-18 01:01:40,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35372 states. [2022-01-18 01:01:40,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35372 to 22763. [2022-01-18 01:01:40,492 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) [2022-01-18 01:01:40,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22763 states to 22763 states and 62660 transitions. [2022-01-18 01:01:40,536 INFO L78 Accepts]: Start accepts. Automaton has 22763 states and 62660 transitions. Word has length 199 [2022-01-18 01:01:40,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:01:40,537 INFO L470 AbstractCegarLoop]: Abstraction has 22763 states and 62660 transitions. [2022-01-18 01:01:40,537 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) [2022-01-18 01:01:40,537 INFO L276 IsEmpty]: Start isEmpty. Operand 22763 states and 62660 transitions. [2022-01-18 01:01:40,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:01:40,566 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:01:40,566 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] [2022-01-18 01:01:40,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2022-01-18 01:01:40,566 INFO L402 AbstractCegarLoop]: === Iteration 134 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:01:40,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:01:40,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1695902953, now seen corresponding path program 110 times [2022-01-18 01:01:40,566 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:01:40,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290638876] [2022-01-18 01:01:40,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:01:40,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:01:40,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:01:40,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:01:40,876 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:01:40,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290638876] [2022-01-18 01:01:40,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290638876] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:01:40,876 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:01:40,876 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:01:40,876 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268437512] [2022-01-18 01:01:40,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:01:40,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:01:40,876 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:01:40,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:01:40,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:01:40,877 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) [2022-01-18 01:01:43,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:01:43,797 INFO L93 Difference]: Finished difference Result 39063 states and 106649 transitions. [2022-01-18 01:01:43,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-18 01:01:43,797 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 [2022-01-18 01:01:43,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:01:43,864 INFO L225 Difference]: With dead ends: 39063 [2022-01-18 01:01:43,864 INFO L226 Difference]: Without dead ends: 39063 [2022-01-18 01:01:43,864 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 [2022-01-18 01:01:43,865 INFO L933 BasicCegarLoop]: 968 mSDtfsCounter, 1849 mSDsluCounter, 21042 mSDsCounter, 0 mSdLazyCounter, 4905 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 01:01:43,865 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1849 Valid, 21696 Invalid, 4928 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4905 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 01:01:43,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39063 states. [2022-01-18 01:01:44,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39063 to 22875. [2022-01-18 01:01:44,284 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) [2022-01-18 01:01:44,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22875 states to 22875 states and 63012 transitions. [2022-01-18 01:01:44,330 INFO L78 Accepts]: Start accepts. Automaton has 22875 states and 63012 transitions. Word has length 199 [2022-01-18 01:01:44,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:01:44,330 INFO L470 AbstractCegarLoop]: Abstraction has 22875 states and 63012 transitions. [2022-01-18 01:01:44,330 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) [2022-01-18 01:01:44,330 INFO L276 IsEmpty]: Start isEmpty. Operand 22875 states and 63012 transitions. [2022-01-18 01:01:44,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:01:44,360 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:01:44,360 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] [2022-01-18 01:01:44,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2022-01-18 01:01:44,360 INFO L402 AbstractCegarLoop]: === Iteration 135 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:01:44,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:01:44,360 INFO L85 PathProgramCache]: Analyzing trace with hash 577266301, now seen corresponding path program 111 times [2022-01-18 01:01:44,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:01:44,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065098232] [2022-01-18 01:01:44,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:01:44,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:01:44,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:01:44,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:01:44,658 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:01:44,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065098232] [2022-01-18 01:01:44,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065098232] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:01:44,659 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:01:44,659 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:01:44,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284617447] [2022-01-18 01:01:44,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:01:44,659 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:01:44,659 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:01:44,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:01:44,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:01:44,659 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) [2022-01-18 01:01:47,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:01:47,557 INFO L93 Difference]: Finished difference Result 38051 states and 104181 transitions. [2022-01-18 01:01:47,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 01:01:47,557 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 [2022-01-18 01:01:47,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:01:47,625 INFO L225 Difference]: With dead ends: 38051 [2022-01-18 01:01:47,625 INFO L226 Difference]: Without dead ends: 38051 [2022-01-18 01:01:47,626 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 [2022-01-18 01:01:47,626 INFO L933 BasicCegarLoop]: 1012 mSDtfsCounter, 1843 mSDsluCounter, 21714 mSDsCounter, 0 mSdLazyCounter, 4863 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 01:01:47,626 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1843 Valid, 22504 Invalid, 4886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4863 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 01:01:47,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38051 states. [2022-01-18 01:01:48,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38051 to 22811. [2022-01-18 01:01:48,046 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) [2022-01-18 01:01:48,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22811 states to 22811 states and 62804 transitions. [2022-01-18 01:01:48,091 INFO L78 Accepts]: Start accepts. Automaton has 22811 states and 62804 transitions. Word has length 199 [2022-01-18 01:01:48,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:01:48,091 INFO L470 AbstractCegarLoop]: Abstraction has 22811 states and 62804 transitions. [2022-01-18 01:01:48,091 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) [2022-01-18 01:01:48,091 INFO L276 IsEmpty]: Start isEmpty. Operand 22811 states and 62804 transitions. [2022-01-18 01:01:48,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:01:48,120 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:01:48,120 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] [2022-01-18 01:01:48,121 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2022-01-18 01:01:48,121 INFO L402 AbstractCegarLoop]: === Iteration 136 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:01:48,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:01:48,121 INFO L85 PathProgramCache]: Analyzing trace with hash 926720185, now seen corresponding path program 112 times [2022-01-18 01:01:48,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:01:48,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898573610] [2022-01-18 01:01:48,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:01:48,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:01:48,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:01:48,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:01:48,422 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:01:48,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898573610] [2022-01-18 01:01:48,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898573610] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:01:48,422 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:01:48,422 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:01:48,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400062580] [2022-01-18 01:01:48,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:01:48,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:01:48,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:01:48,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:01:48,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:01:48,423 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) [2022-01-18 01:01:51,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:01:51,019 INFO L93 Difference]: Finished difference Result 34792 states and 95378 transitions. [2022-01-18 01:01:51,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-18 01:01:51,020 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 [2022-01-18 01:01:51,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:01:51,082 INFO L225 Difference]: With dead ends: 34792 [2022-01-18 01:01:51,082 INFO L226 Difference]: Without dead ends: 34792 [2022-01-18 01:01:51,083 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 [2022-01-18 01:01:51,083 INFO L933 BasicCegarLoop]: 956 mSDtfsCounter, 1581 mSDsluCounter, 20400 mSDsCounter, 0 mSdLazyCounter, 4654 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:01:51,083 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1581 Valid, 21159 Invalid, 4673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4654 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-18 01:01:51,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34792 states. [2022-01-18 01:01:51,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34792 to 22727. [2022-01-18 01:01:51,489 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) [2022-01-18 01:01:51,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22727 states to 22727 states and 62561 transitions. [2022-01-18 01:01:51,535 INFO L78 Accepts]: Start accepts. Automaton has 22727 states and 62561 transitions. Word has length 199 [2022-01-18 01:01:51,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:01:51,535 INFO L470 AbstractCegarLoop]: Abstraction has 22727 states and 62561 transitions. [2022-01-18 01:01:51,535 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) [2022-01-18 01:01:51,535 INFO L276 IsEmpty]: Start isEmpty. Operand 22727 states and 62561 transitions. [2022-01-18 01:01:51,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:01:51,564 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:01:51,564 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] [2022-01-18 01:01:51,564 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2022-01-18 01:01:51,564 INFO L402 AbstractCegarLoop]: === Iteration 137 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:01:51,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:01:51,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1020121885, now seen corresponding path program 113 times [2022-01-18 01:01:51,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:01:51,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676810887] [2022-01-18 01:01:51,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:01:51,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:01:51,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:01:51,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:01:51,862 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:01:51,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676810887] [2022-01-18 01:01:51,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676810887] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:01:51,863 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:01:51,863 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:01:51,863 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740511824] [2022-01-18 01:01:51,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:01:51,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:01:51,863 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:01:51,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:01:51,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:01:51,863 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) [2022-01-18 01:01:54,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:01:54,901 INFO L93 Difference]: Finished difference Result 43109 states and 117525 transitions. [2022-01-18 01:01:54,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-18 01:01:54,901 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 [2022-01-18 01:01:54,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:01:54,984 INFO L225 Difference]: With dead ends: 43109 [2022-01-18 01:01:54,984 INFO L226 Difference]: Without dead ends: 43109 [2022-01-18 01:01:54,985 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1139 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=701, Invalid=5305, Unknown=0, NotChecked=0, Total=6006 [2022-01-18 01:01:54,985 INFO L933 BasicCegarLoop]: 1029 mSDtfsCounter, 2030 mSDsluCounter, 22437 mSDsCounter, 0 mSdLazyCounter, 5203 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 01:01:54,985 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2030 Valid, 23108 Invalid, 5226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5203 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 01:01:55,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43109 states. [2022-01-18 01:01:55,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43109 to 22855. [2022-01-18 01:01:55,475 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) [2022-01-18 01:01:55,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22855 states to 22855 states and 62961 transitions. [2022-01-18 01:01:55,519 INFO L78 Accepts]: Start accepts. Automaton has 22855 states and 62961 transitions. Word has length 199 [2022-01-18 01:01:55,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:01:55,519 INFO L470 AbstractCegarLoop]: Abstraction has 22855 states and 62961 transitions. [2022-01-18 01:01:55,519 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) [2022-01-18 01:01:55,519 INFO L276 IsEmpty]: Start isEmpty. Operand 22855 states and 62961 transitions. [2022-01-18 01:01:55,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:01:55,548 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:01:55,548 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] [2022-01-18 01:01:55,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2022-01-18 01:01:55,548 INFO L402 AbstractCegarLoop]: === Iteration 138 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:01:55,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:01:55,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1001676157, now seen corresponding path program 114 times [2022-01-18 01:01:55,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:01:55,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853142145] [2022-01-18 01:01:55,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:01:55,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:01:55,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:01:55,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:01:55,843 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:01:55,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853142145] [2022-01-18 01:01:55,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853142145] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:01:55,843 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:01:55,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:01:55,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227095460] [2022-01-18 01:01:55,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:01:55,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:01:55,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:01:55,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:01:55,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:01:55,844 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) [2022-01-18 01:01:58,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:01:58,877 INFO L93 Difference]: Finished difference Result 41926 states and 114619 transitions. [2022-01-18 01:01:58,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-01-18 01:01:58,878 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 [2022-01-18 01:01:58,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:01:58,960 INFO L225 Difference]: With dead ends: 41926 [2022-01-18 01:01:58,960 INFO L226 Difference]: Without dead ends: 41926 [2022-01-18 01:01:58,961 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 [2022-01-18 01:01:58,961 INFO L933 BasicCegarLoop]: 1086 mSDtfsCounter, 2005 mSDsluCounter, 23339 mSDsCounter, 0 mSdLazyCounter, 5098 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 01:01:58,962 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2005 Valid, 24158 Invalid, 5121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5098 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 01:01:59,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41926 states. [2022-01-18 01:01:59,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41926 to 22791. [2022-01-18 01:01:59,452 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) [2022-01-18 01:01:59,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22791 states to 22791 states and 62753 transitions. [2022-01-18 01:01:59,498 INFO L78 Accepts]: Start accepts. Automaton has 22791 states and 62753 transitions. Word has length 199 [2022-01-18 01:01:59,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:01:59,498 INFO L470 AbstractCegarLoop]: Abstraction has 22791 states and 62753 transitions. [2022-01-18 01:01:59,498 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) [2022-01-18 01:01:59,498 INFO L276 IsEmpty]: Start isEmpty. Operand 22791 states and 62753 transitions. [2022-01-18 01:01:59,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:01:59,527 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:01:59,527 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] [2022-01-18 01:01:59,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2022-01-18 01:01:59,528 INFO L402 AbstractCegarLoop]: === Iteration 139 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:01:59,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:01:59,528 INFO L85 PathProgramCache]: Analyzing trace with hash -652222273, now seen corresponding path program 115 times [2022-01-18 01:01:59,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:01:59,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782576672] [2022-01-18 01:01:59,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:01:59,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:01:59,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:01:59,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:01:59,899 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:01:59,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782576672] [2022-01-18 01:01:59,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782576672] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:01:59,899 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:01:59,899 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:01:59,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235794153] [2022-01-18 01:01:59,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:01:59,900 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:01:59,900 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:01:59,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:01:59,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:01:59,900 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) [2022-01-18 01:02:02,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:02,730 INFO L93 Difference]: Finished difference Result 38096 states and 104372 transitions. [2022-01-18 01:02:02,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-18 01:02:02,730 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 [2022-01-18 01:02:02,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:02,800 INFO L225 Difference]: With dead ends: 38096 [2022-01-18 01:02:02,800 INFO L226 Difference]: Without dead ends: 38096 [2022-01-18 01:02:02,801 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 974 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=615, Invalid=4787, Unknown=0, NotChecked=0, Total=5402 [2022-01-18 01:02:02,801 INFO L933 BasicCegarLoop]: 1031 mSDtfsCounter, 1715 mSDsluCounter, 22021 mSDsCounter, 0 mSdLazyCounter, 4902 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:02,801 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1715 Valid, 22813 Invalid, 4921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4902 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 01:02:02,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38096 states. [2022-01-18 01:02:03,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38096 to 22743. [2022-01-18 01:02:03,258 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) [2022-01-18 01:02:03,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22743 states to 22743 states and 62609 transitions. [2022-01-18 01:02:03,303 INFO L78 Accepts]: Start accepts. Automaton has 22743 states and 62609 transitions. Word has length 199 [2022-01-18 01:02:03,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:03,304 INFO L470 AbstractCegarLoop]: Abstraction has 22743 states and 62609 transitions. [2022-01-18 01:02:03,304 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) [2022-01-18 01:02:03,304 INFO L276 IsEmpty]: Start isEmpty. Operand 22743 states and 62609 transitions. [2022-01-18 01:02:03,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:02:03,333 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:03,333 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] [2022-01-18 01:02:03,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2022-01-18 01:02:03,334 INFO L402 AbstractCegarLoop]: === Iteration 140 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:03,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:03,334 INFO L85 PathProgramCache]: Analyzing trace with hash 350149707, now seen corresponding path program 116 times [2022-01-18 01:02:03,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:03,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739869875] [2022-01-18 01:02:03,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:03,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:03,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:03,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:03,640 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:03,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739869875] [2022-01-18 01:02:03,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739869875] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:03,640 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:03,640 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:02:03,640 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935973240] [2022-01-18 01:02:03,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:03,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:02:03,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:03,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:02:03,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:02:03,641 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) [2022-01-18 01:02:06,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:06,435 INFO L93 Difference]: Finished difference Result 38830 states and 106066 transitions. [2022-01-18 01:02:06,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-18 01:02:06,435 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 [2022-01-18 01:02:06,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:06,506 INFO L225 Difference]: With dead ends: 38830 [2022-01-18 01:02:06,506 INFO L226 Difference]: Without dead ends: 38830 [2022-01-18 01:02:06,506 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 [2022-01-18 01:02:06,507 INFO L933 BasicCegarLoop]: 1060 mSDtfsCounter, 1728 mSDsluCounter, 22711 mSDsCounter, 0 mSdLazyCounter, 4834 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:06,507 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1728 Valid, 23508 Invalid, 4853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4834 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 01:02:06,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38830 states. [2022-01-18 01:02:06,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38830 to 22559. [2022-01-18 01:02:06,949 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) [2022-01-18 01:02:06,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22559 states to 22559 states and 62099 transitions. [2022-01-18 01:02:06,993 INFO L78 Accepts]: Start accepts. Automaton has 22559 states and 62099 transitions. Word has length 199 [2022-01-18 01:02:06,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:06,993 INFO L470 AbstractCegarLoop]: Abstraction has 22559 states and 62099 transitions. [2022-01-18 01:02:06,993 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) [2022-01-18 01:02:06,993 INFO L276 IsEmpty]: Start isEmpty. Operand 22559 states and 62099 transitions. [2022-01-18 01:02:07,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:02:07,022 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:07,022 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] [2022-01-18 01:02:07,023 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2022-01-18 01:02:07,023 INFO L402 AbstractCegarLoop]: === Iteration 141 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:07,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:07,023 INFO L85 PathProgramCache]: Analyzing trace with hash -738284931, now seen corresponding path program 117 times [2022-01-18 01:02:07,023 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:07,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071120240] [2022-01-18 01:02:07,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:07,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:07,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:07,332 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:07,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071120240] [2022-01-18 01:02:07,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071120240] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:07,332 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:07,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:02:07,332 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006990174] [2022-01-18 01:02:07,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:07,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:02:07,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:07,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:02:07,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:02:07,333 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) [2022-01-18 01:02:10,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:10,737 INFO L93 Difference]: Finished difference Result 47842 states and 130199 transitions. [2022-01-18 01:02:10,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-01-18 01:02:10,737 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 [2022-01-18 01:02:10,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:10,825 INFO L225 Difference]: With dead ends: 47842 [2022-01-18 01:02:10,825 INFO L226 Difference]: Without dead ends: 47842 [2022-01-18 01:02:10,826 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1361 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=810, Invalid=5996, Unknown=0, NotChecked=0, Total=6806 [2022-01-18 01:02:10,826 INFO L933 BasicCegarLoop]: 1134 mSDtfsCounter, 2276 mSDsluCounter, 24804 mSDsCounter, 0 mSdLazyCounter, 5677 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s 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, 1.9s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:10,826 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2276 Valid, 25496 Invalid, 5700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5677 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-01-18 01:02:10,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47842 states. [2022-01-18 01:02:11,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47842 to 22911. [2022-01-18 01:02:11,342 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) [2022-01-18 01:02:11,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22911 states to 22911 states and 63171 transitions. [2022-01-18 01:02:11,388 INFO L78 Accepts]: Start accepts. Automaton has 22911 states and 63171 transitions. Word has length 199 [2022-01-18 01:02:11,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:11,388 INFO L470 AbstractCegarLoop]: Abstraction has 22911 states and 63171 transitions. [2022-01-18 01:02:11,388 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) [2022-01-18 01:02:11,388 INFO L276 IsEmpty]: Start isEmpty. Operand 22911 states and 63171 transitions. [2022-01-18 01:02:11,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:02:11,417 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:11,417 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] [2022-01-18 01:02:11,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2022-01-18 01:02:11,417 INFO L402 AbstractCegarLoop]: === Iteration 142 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:11,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:11,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1534884323, now seen corresponding path program 118 times [2022-01-18 01:02:11,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:11,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688506177] [2022-01-18 01:02:11,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:11,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:11,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:11,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:11,788 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:11,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688506177] [2022-01-18 01:02:11,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688506177] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:11,788 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:11,788 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:02:11,788 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843107470] [2022-01-18 01:02:11,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:11,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:02:11,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:11,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:02:11,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:02:11,789 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) [2022-01-18 01:02:15,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:15,081 INFO L93 Difference]: Finished difference Result 45337 states and 123834 transitions. [2022-01-18 01:02:15,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-01-18 01:02:15,082 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 [2022-01-18 01:02:15,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:15,168 INFO L225 Difference]: With dead ends: 45337 [2022-01-18 01:02:15,168 INFO L226 Difference]: Without dead ends: 45337 [2022-01-18 01:02:15,169 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1445 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=783, Invalid=6189, Unknown=0, NotChecked=0, Total=6972 [2022-01-18 01:02:15,169 INFO L933 BasicCegarLoop]: 1141 mSDtfsCounter, 2173 mSDsluCounter, 24697 mSDsCounter, 0 mSdLazyCounter, 5378 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s 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, 1.8s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:15,169 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2173 Valid, 25522 Invalid, 5401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5378 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-18 01:02:15,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45337 states. [2022-01-18 01:02:15,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45337 to 22847. [2022-01-18 01:02:15,672 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) [2022-01-18 01:02:15,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22847 states to 22847 states and 62963 transitions. [2022-01-18 01:02:15,718 INFO L78 Accepts]: Start accepts. Automaton has 22847 states and 62963 transitions. Word has length 199 [2022-01-18 01:02:15,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:15,718 INFO L470 AbstractCegarLoop]: Abstraction has 22847 states and 62963 transitions. [2022-01-18 01:02:15,718 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) [2022-01-18 01:02:15,718 INFO L276 IsEmpty]: Start isEmpty. Operand 22847 states and 62963 transitions. [2022-01-18 01:02:15,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:02:15,747 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:15,747 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] [2022-01-18 01:02:15,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2022-01-18 01:02:15,747 INFO L402 AbstractCegarLoop]: === Iteration 143 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:15,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:15,748 INFO L85 PathProgramCache]: Analyzing trace with hash -836945603, now seen corresponding path program 119 times [2022-01-18 01:02:15,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:15,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111157874] [2022-01-18 01:02:15,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:15,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:16,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:16,058 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:16,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111157874] [2022-01-18 01:02:16,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111157874] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:16,058 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:16,058 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:02:16,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769166988] [2022-01-18 01:02:16,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:16,058 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:02:16,058 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:16,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:02:16,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:02:16,059 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) [2022-01-18 01:02:19,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:19,184 INFO L93 Difference]: Finished difference Result 43479 states and 119049 transitions. [2022-01-18 01:02:19,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-18 01:02:19,185 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 [2022-01-18 01:02:19,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:19,269 INFO L225 Difference]: With dead ends: 43479 [2022-01-18 01:02:19,270 INFO L226 Difference]: Without dead ends: 43479 [2022-01-18 01:02:19,270 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1146 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=684, Invalid=5322, Unknown=0, NotChecked=0, Total=6006 [2022-01-18 01:02:19,271 INFO L933 BasicCegarLoop]: 1136 mSDtfsCounter, 1903 mSDsluCounter, 24275 mSDsCounter, 0 mSdLazyCounter, 5345 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s 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, 1.8s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:19,271 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1903 Valid, 25110 Invalid, 5364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5345 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-18 01:02:19,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43479 states. [2022-01-18 01:02:19,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43479 to 22799. [2022-01-18 01:02:19,753 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) [2022-01-18 01:02:19,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22799 states to 22799 states and 62819 transitions. [2022-01-18 01:02:19,796 INFO L78 Accepts]: Start accepts. Automaton has 22799 states and 62819 transitions. Word has length 199 [2022-01-18 01:02:19,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:19,796 INFO L470 AbstractCegarLoop]: Abstraction has 22799 states and 62819 transitions. [2022-01-18 01:02:19,796 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) [2022-01-18 01:02:19,796 INFO L276 IsEmpty]: Start isEmpty. Operand 22799 states and 62819 transitions. [2022-01-18 01:02:19,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:02:19,825 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:19,825 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] [2022-01-18 01:02:19,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2022-01-18 01:02:19,825 INFO L402 AbstractCegarLoop]: === Iteration 144 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:19,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:19,825 INFO L85 PathProgramCache]: Analyzing trace with hash 764341297, now seen corresponding path program 120 times [2022-01-18 01:02:19,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:19,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995619565] [2022-01-18 01:02:19,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:19,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:19,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:20,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:20,132 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:20,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995619565] [2022-01-18 01:02:20,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995619565] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:20,132 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:20,132 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:02:20,132 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953276] [2022-01-18 01:02:20,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:20,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:02:20,132 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:20,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:02:20,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:02:20,133 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) [2022-01-18 01:02:23,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:23,234 INFO L93 Difference]: Finished difference Result 44837 states and 122441 transitions. [2022-01-18 01:02:23,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-18 01:02:23,235 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 [2022-01-18 01:02:23,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:23,319 INFO L225 Difference]: With dead ends: 44837 [2022-01-18 01:02:23,319 INFO L226 Difference]: Without dead ends: 44837 [2022-01-18 01:02:23,320 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1146 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=682, Invalid=5324, Unknown=0, NotChecked=0, Total=6006 [2022-01-18 01:02:23,320 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 [2022-01-18 01:02:23,320 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] [2022-01-18 01:02:23,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44837 states. [2022-01-18 01:02:23,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44837 to 22783. [2022-01-18 01:02:23,916 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) [2022-01-18 01:02:23,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22783 states to 22783 states and 62771 transitions. [2022-01-18 01:02:23,961 INFO L78 Accepts]: Start accepts. Automaton has 22783 states and 62771 transitions. Word has length 199 [2022-01-18 01:02:23,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:23,961 INFO L470 AbstractCegarLoop]: Abstraction has 22783 states and 62771 transitions. [2022-01-18 01:02:23,961 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) [2022-01-18 01:02:23,961 INFO L276 IsEmpty]: Start isEmpty. Operand 22783 states and 62771 transitions. [2022-01-18 01:02:23,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:02:23,989 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:23,989 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] [2022-01-18 01:02:23,989 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2022-01-18 01:02:23,989 INFO L402 AbstractCegarLoop]: === Iteration 145 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:23,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:23,990 INFO L85 PathProgramCache]: Analyzing trace with hash 163109979, now seen corresponding path program 121 times [2022-01-18 01:02:23,990 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:23,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383795443] [2022-01-18 01:02:23,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:23,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:23,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:24,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:24,286 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:24,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383795443] [2022-01-18 01:02:24,286 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383795443] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:24,286 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:24,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:02:24,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615311209] [2022-01-18 01:02:24,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:24,287 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:02:24,287 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:24,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:02:24,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:02:24,287 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) [2022-01-18 01:02:27,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:27,328 INFO L93 Difference]: Finished difference Result 46080 states and 125613 transitions. [2022-01-18 01:02:27,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-18 01:02:27,328 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 [2022-01-18 01:02:27,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:27,417 INFO L225 Difference]: With dead ends: 46080 [2022-01-18 01:02:27,417 INFO L226 Difference]: Without dead ends: 46080 [2022-01-18 01:02:27,418 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1146 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=677, Invalid=5329, Unknown=0, NotChecked=0, Total=6006 [2022-01-18 01:02:27,418 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, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:27,418 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1929 Valid, 26177 Invalid, 5283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5264 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 01:02:27,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46080 states. [2022-01-18 01:02:27,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46080 to 22575. [2022-01-18 01:02:27,976 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) [2022-01-18 01:02:28,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22575 states to 22575 states and 62147 transitions. [2022-01-18 01:02:28,017 INFO L78 Accepts]: Start accepts. Automaton has 22575 states and 62147 transitions. Word has length 199 [2022-01-18 01:02:28,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:28,018 INFO L470 AbstractCegarLoop]: Abstraction has 22575 states and 62147 transitions. [2022-01-18 01:02:28,018 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) [2022-01-18 01:02:28,018 INFO L276 IsEmpty]: Start isEmpty. Operand 22575 states and 62147 transitions. [2022-01-18 01:02:28,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:02:28,045 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:28,045 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] [2022-01-18 01:02:28,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2022-01-18 01:02:28,045 INFO L402 AbstractCegarLoop]: === Iteration 146 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:28,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:28,046 INFO L85 PathProgramCache]: Analyzing trace with hash 2093123481, now seen corresponding path program 122 times [2022-01-18 01:02:28,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:28,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225880606] [2022-01-18 01:02:28,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:28,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:28,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:28,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:28,342 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:28,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225880606] [2022-01-18 01:02:28,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225880606] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:28,342 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:28,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:02:28,343 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857406398] [2022-01-18 01:02:28,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:28,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:02:28,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:28,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:02:28,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:02:28,343 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) [2022-01-18 01:02:31,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:31,284 INFO L93 Difference]: Finished difference Result 41649 states and 113505 transitions. [2022-01-18 01:02:31,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-18 01:02:31,285 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 [2022-01-18 01:02:31,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:31,365 INFO L225 Difference]: With dead ends: 41649 [2022-01-18 01:02:31,365 INFO L226 Difference]: Without dead ends: 41649 [2022-01-18 01:02:31,365 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 [2022-01-18 01:02:31,366 INFO L933 BasicCegarLoop]: 1142 mSDtfsCounter, 1855 mSDsluCounter, 24439 mSDsCounter, 0 mSdLazyCounter, 5006 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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 [2022-01-18 01:02:31,366 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] [2022-01-18 01:02:31,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41649 states. [2022-01-18 01:02:31,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41649 to 22547. [2022-01-18 01:02:31,816 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) [2022-01-18 01:02:31,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22547 states to 22547 states and 62066 transitions. [2022-01-18 01:02:31,860 INFO L78 Accepts]: Start accepts. Automaton has 22547 states and 62066 transitions. Word has length 199 [2022-01-18 01:02:31,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:31,860 INFO L470 AbstractCegarLoop]: Abstraction has 22547 states and 62066 transitions. [2022-01-18 01:02:31,860 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) [2022-01-18 01:02:31,860 INFO L276 IsEmpty]: Start isEmpty. Operand 22547 states and 62066 transitions. [2022-01-18 01:02:31,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:02:31,889 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:31,889 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] [2022-01-18 01:02:31,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2022-01-18 01:02:31,889 INFO L402 AbstractCegarLoop]: === Iteration 147 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:31,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:31,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1710832207, now seen corresponding path program 123 times [2022-01-18 01:02:31,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:31,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483559629] [2022-01-18 01:02:31,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:31,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:32,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:32,190 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:32,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483559629] [2022-01-18 01:02:32,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483559629] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:32,190 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:32,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:02:32,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996490186] [2022-01-18 01:02:32,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:32,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:02:32,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:32,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:02:32,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:02:32,191 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) [2022-01-18 01:02:35,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:35,594 INFO L93 Difference]: Finished difference Result 47477 states and 129167 transitions. [2022-01-18 01:02:35,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-01-18 01:02:35,595 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 [2022-01-18 01:02:35,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:35,682 INFO L225 Difference]: With dead ends: 47477 [2022-01-18 01:02:35,683 INFO L226 Difference]: Without dead ends: 47477 [2022-01-18 01:02:35,683 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1450 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=865, Invalid=6275, Unknown=0, NotChecked=0, Total=7140 [2022-01-18 01:02:35,683 INFO L933 BasicCegarLoop]: 1144 mSDtfsCounter, 2404 mSDsluCounter, 25026 mSDsCounter, 0 mSdLazyCounter, 5471 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s 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, 1.8s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:35,683 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2404 Valid, 25689 Invalid, 5494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5471 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-18 01:02:35,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47477 states. [2022-01-18 01:02:36,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47477 to 22947. [2022-01-18 01:02:36,161 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) [2022-01-18 01:02:36,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22947 states to 22947 states and 63282 transitions. [2022-01-18 01:02:36,204 INFO L78 Accepts]: Start accepts. Automaton has 22947 states and 63282 transitions. Word has length 199 [2022-01-18 01:02:36,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:36,204 INFO L470 AbstractCegarLoop]: Abstraction has 22947 states and 63282 transitions. [2022-01-18 01:02:36,204 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) [2022-01-18 01:02:36,204 INFO L276 IsEmpty]: Start isEmpty. Operand 22947 states and 63282 transitions. [2022-01-18 01:02:36,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:02:36,230 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:36,230 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] [2022-01-18 01:02:36,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2022-01-18 01:02:36,230 INFO L402 AbstractCegarLoop]: === Iteration 148 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:36,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:36,230 INFO L85 PathProgramCache]: Analyzing trace with hash 562337047, now seen corresponding path program 124 times [2022-01-18 01:02:36,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:36,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552077383] [2022-01-18 01:02:36,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:36,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:36,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:36,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:36,530 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:36,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552077383] [2022-01-18 01:02:36,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552077383] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:36,530 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:36,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:02:36,530 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153569175] [2022-01-18 01:02:36,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:36,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:02:36,530 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:36,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:02:36,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:02:36,531 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) [2022-01-18 01:02:39,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:39,633 INFO L93 Difference]: Finished difference Result 44564 states and 121725 transitions. [2022-01-18 01:02:39,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-01-18 01:02:39,634 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 [2022-01-18 01:02:39,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:39,713 INFO L225 Difference]: With dead ends: 44564 [2022-01-18 01:02:39,713 INFO L226 Difference]: Without dead ends: 44564 [2022-01-18 01:02:39,714 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 [2022-01-18 01:02:39,714 INFO L933 BasicCegarLoop]: 1118 mSDtfsCounter, 2262 mSDsluCounter, 24281 mSDsCounter, 0 mSdLazyCounter, 5127 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:39,714 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2262 Valid, 25060 Invalid, 5150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5127 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 01:02:39,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44564 states. [2022-01-18 01:02:40,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44564 to 22883. [2022-01-18 01:02:40,196 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) [2022-01-18 01:02:40,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22883 states to 22883 states and 63074 transitions. [2022-01-18 01:02:40,239 INFO L78 Accepts]: Start accepts. Automaton has 22883 states and 63074 transitions. Word has length 199 [2022-01-18 01:02:40,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:40,239 INFO L470 AbstractCegarLoop]: Abstraction has 22883 states and 63074 transitions. [2022-01-18 01:02:40,239 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) [2022-01-18 01:02:40,239 INFO L276 IsEmpty]: Start isEmpty. Operand 22883 states and 63074 transitions. [2022-01-18 01:02:40,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:02:40,266 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:40,267 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] [2022-01-18 01:02:40,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2022-01-18 01:02:40,267 INFO L402 AbstractCegarLoop]: === Iteration 149 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:40,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:40,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1809492879, now seen corresponding path program 125 times [2022-01-18 01:02:40,267 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:40,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246718565] [2022-01-18 01:02:40,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:40,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:40,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:40,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:40,630 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:40,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246718565] [2022-01-18 01:02:40,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246718565] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:40,630 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:40,630 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:02:40,630 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588517861] [2022-01-18 01:02:40,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:40,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:02:40,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:40,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:02:40,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:02:40,631 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) [2022-01-18 01:02:43,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:43,599 INFO L93 Difference]: Finished difference Result 42706 states and 116940 transitions. [2022-01-18 01:02:43,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-18 01:02:43,599 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 [2022-01-18 01:02:43,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:43,674 INFO L225 Difference]: With dead ends: 42706 [2022-01-18 01:02:43,674 INFO L226 Difference]: Without dead ends: 42706 [2022-01-18 01:02:43,675 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1146 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=694, Invalid=5312, Unknown=0, NotChecked=0, Total=6006 [2022-01-18 01:02:43,675 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 [2022-01-18 01:02:43,675 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] [2022-01-18 01:02:43,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42706 states. [2022-01-18 01:02:44,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42706 to 22835. [2022-01-18 01:02:44,144 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) [2022-01-18 01:02:44,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22835 states to 22835 states and 62930 transitions. [2022-01-18 01:02:44,189 INFO L78 Accepts]: Start accepts. Automaton has 22835 states and 62930 transitions. Word has length 199 [2022-01-18 01:02:44,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:44,190 INFO L470 AbstractCegarLoop]: Abstraction has 22835 states and 62930 transitions. [2022-01-18 01:02:44,190 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) [2022-01-18 01:02:44,190 INFO L276 IsEmpty]: Start isEmpty. Operand 22835 states and 62930 transitions. [2022-01-18 01:02:44,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:02:44,220 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:44,220 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] [2022-01-18 01:02:44,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2022-01-18 01:02:44,220 INFO L402 AbstractCegarLoop]: === Iteration 150 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:44,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:44,221 INFO L85 PathProgramCache]: Analyzing trace with hash -208205979, now seen corresponding path program 126 times [2022-01-18 01:02:44,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:44,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079383194] [2022-01-18 01:02:44,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:44,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:44,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:44,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:44,516 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:44,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079383194] [2022-01-18 01:02:44,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079383194] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:44,516 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:44,516 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:02:44,516 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096388043] [2022-01-18 01:02:44,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:44,517 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:02:44,517 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:44,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:02:44,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:02:44,517 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) [2022-01-18 01:02:47,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:47,449 INFO L93 Difference]: Finished difference Result 44064 states and 120332 transitions. [2022-01-18 01:02:47,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-18 01:02:47,449 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 [2022-01-18 01:02:47,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:47,537 INFO L225 Difference]: With dead ends: 44064 [2022-01-18 01:02:47,537 INFO L226 Difference]: Without dead ends: 44064 [2022-01-18 01:02:47,538 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 [2022-01-18 01:02:47,539 INFO L933 BasicCegarLoop]: 1126 mSDtfsCounter, 2048 mSDsluCounter, 24046 mSDsCounter, 0 mSdLazyCounter, 5021 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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 [2022-01-18 01:02:47,539 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] [2022-01-18 01:02:47,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44064 states. [2022-01-18 01:02:48,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44064 to 22819. [2022-01-18 01:02:48,035 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) [2022-01-18 01:02:48,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22819 states to 22819 states and 62882 transitions. [2022-01-18 01:02:48,080 INFO L78 Accepts]: Start accepts. Automaton has 22819 states and 62882 transitions. Word has length 199 [2022-01-18 01:02:48,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:48,080 INFO L470 AbstractCegarLoop]: Abstraction has 22819 states and 62882 transitions. [2022-01-18 01:02:48,080 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) [2022-01-18 01:02:48,081 INFO L276 IsEmpty]: Start isEmpty. Operand 22819 states and 62882 transitions. [2022-01-18 01:02:48,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:02:48,117 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:48,117 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] [2022-01-18 01:02:48,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2022-01-18 01:02:48,117 INFO L402 AbstractCegarLoop]: === Iteration 151 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:48,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:48,117 INFO L85 PathProgramCache]: Analyzing trace with hash -809437297, now seen corresponding path program 127 times [2022-01-18 01:02:48,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:48,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808529011] [2022-01-18 01:02:48,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:48,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:48,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:48,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:48,424 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:48,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808529011] [2022-01-18 01:02:48,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808529011] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:48,424 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:48,424 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:02:48,424 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040316257] [2022-01-18 01:02:48,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:48,424 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:02:48,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:48,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:02:48,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:02:48,425 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) [2022-01-18 01:02:51,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:51,356 INFO L93 Difference]: Finished difference Result 45307 states and 123504 transitions. [2022-01-18 01:02:51,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-18 01:02:51,356 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 [2022-01-18 01:02:51,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:51,434 INFO L225 Difference]: With dead ends: 45307 [2022-01-18 01:02:51,434 INFO L226 Difference]: Without dead ends: 45307 [2022-01-18 01:02:51,435 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1144 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=689, Invalid=5317, Unknown=0, NotChecked=0, Total=6006 [2022-01-18 01:02:51,435 INFO L933 BasicCegarLoop]: 1163 mSDtfsCounter, 2018 mSDsluCounter, 24750 mSDsCounter, 0 mSdLazyCounter, 5023 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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 [2022-01-18 01:02:51,436 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] [2022-01-18 01:02:51,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45307 states. [2022-01-18 01:02:51,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45307 to 22611. [2022-01-18 01:02:51,898 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) [2022-01-18 01:02:51,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22611 states to 22611 states and 62258 transitions. [2022-01-18 01:02:51,942 INFO L78 Accepts]: Start accepts. Automaton has 22611 states and 62258 transitions. Word has length 199 [2022-01-18 01:02:51,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:51,942 INFO L470 AbstractCegarLoop]: Abstraction has 22611 states and 62258 transitions. [2022-01-18 01:02:51,942 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) [2022-01-18 01:02:51,942 INFO L276 IsEmpty]: Start isEmpty. Operand 22611 states and 62258 transitions. [2022-01-18 01:02:51,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:02:51,970 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:51,970 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] [2022-01-18 01:02:51,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2022-01-18 01:02:51,970 INFO L402 AbstractCegarLoop]: === Iteration 152 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:51,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:51,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1120576205, now seen corresponding path program 128 times [2022-01-18 01:02:51,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:51,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396388547] [2022-01-18 01:02:51,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:51,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:51,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:52,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:52,262 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:52,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396388547] [2022-01-18 01:02:52,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396388547] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:52,263 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:52,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:02:52,263 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826047020] [2022-01-18 01:02:52,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:52,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:02:52,263 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:52,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:02:52,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:02:52,263 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) [2022-01-18 01:02:55,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:55,156 INFO L93 Difference]: Finished difference Result 45965 states and 125226 transitions. [2022-01-18 01:02:55,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 01:02:55,157 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 [2022-01-18 01:02:55,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:55,242 INFO L225 Difference]: With dead ends: 45965 [2022-01-18 01:02:55,242 INFO L226 Difference]: Without dead ends: 45965 [2022-01-18 01:02:55,243 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1100 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=667, Invalid=5185, Unknown=0, NotChecked=0, Total=5852 [2022-01-18 01:02:55,243 INFO L933 BasicCegarLoop]: 1167 mSDtfsCounter, 2008 mSDsluCounter, 24912 mSDsCounter, 0 mSdLazyCounter, 5025 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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 [2022-01-18 01:02:55,243 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] [2022-01-18 01:02:55,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45965 states. [2022-01-18 01:02:55,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45965 to 22595. [2022-01-18 01:02:55,718 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) [2022-01-18 01:02:55,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22595 states to 22595 states and 62210 transitions. [2022-01-18 01:02:55,760 INFO L78 Accepts]: Start accepts. Automaton has 22595 states and 62210 transitions. Word has length 199 [2022-01-18 01:02:55,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:55,760 INFO L470 AbstractCegarLoop]: Abstraction has 22595 states and 62210 transitions. [2022-01-18 01:02:55,760 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) [2022-01-18 01:02:55,761 INFO L276 IsEmpty]: Start isEmpty. Operand 22595 states and 62210 transitions. [2022-01-18 01:02:55,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:02:55,788 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:55,788 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] [2022-01-18 01:02:55,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2022-01-18 01:02:55,788 INFO L402 AbstractCegarLoop]: === Iteration 153 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:55,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:55,788 INFO L85 PathProgramCache]: Analyzing trace with hash -528349789, now seen corresponding path program 129 times [2022-01-18 01:02:55,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:55,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921281192] [2022-01-18 01:02:55,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:55,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:55,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:56,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:56,089 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:56,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921281192] [2022-01-18 01:02:56,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921281192] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:56,089 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:56,090 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:02:56,090 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88228550] [2022-01-18 01:02:56,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:56,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:02:56,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:56,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:02:56,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:02:56,090 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) [2022-01-18 01:02:58,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:58,741 INFO L93 Difference]: Finished difference Result 40930 states and 111524 transitions. [2022-01-18 01:02:58,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-18 01:02:58,742 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 [2022-01-18 01:02:58,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:58,810 INFO L225 Difference]: With dead ends: 40930 [2022-01-18 01:02:58,810 INFO L226 Difference]: Without dead ends: 40930 [2022-01-18 01:02:58,810 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 [2022-01-18 01:02:58,811 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, 1.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:58,811 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1890 Valid, 24728 Invalid, 4632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4613 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-18 01:02:58,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40930 states. [2022-01-18 01:02:59,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40930 to 22511. [2022-01-18 01:02:59,205 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) [2022-01-18 01:02:59,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22511 states to 22511 states and 61967 transitions. [2022-01-18 01:02:59,247 INFO L78 Accepts]: Start accepts. Automaton has 22511 states and 61967 transitions. Word has length 199 [2022-01-18 01:02:59,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:59,247 INFO L470 AbstractCegarLoop]: Abstraction has 22511 states and 61967 transitions. [2022-01-18 01:02:59,247 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) [2022-01-18 01:02:59,247 INFO L276 IsEmpty]: Start isEmpty. Operand 22511 states and 61967 transitions. [2022-01-18 01:02:59,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:02:59,273 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:59,273 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] [2022-01-18 01:02:59,273 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2022-01-18 01:02:59,273 INFO L402 AbstractCegarLoop]: === Iteration 154 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:59,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:59,273 INFO L85 PathProgramCache]: Analyzing trace with hash -903139061, now seen corresponding path program 130 times [2022-01-18 01:02:59,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:59,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508231466] [2022-01-18 01:02:59,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:59,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:59,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:59,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:59,570 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:59,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508231466] [2022-01-18 01:02:59,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508231466] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:59,570 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:59,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:02:59,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708630117] [2022-01-18 01:02:59,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:59,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:02:59,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:59,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:02:59,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:02:59,571 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) [2022-01-18 01:03:02,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:02,562 INFO L93 Difference]: Finished difference Result 44432 states and 121038 transitions. [2022-01-18 01:03:02,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-01-18 01:03:02,562 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 [2022-01-18 01:03:02,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:02,636 INFO L225 Difference]: With dead ends: 44432 [2022-01-18 01:03:02,637 INFO L226 Difference]: Without dead ends: 44432 [2022-01-18 01:03:02,638 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1289 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=737, Invalid=5743, Unknown=0, NotChecked=0, Total=6480 [2022-01-18 01:03:02,638 INFO L933 BasicCegarLoop]: 1028 mSDtfsCounter, 2147 mSDsluCounter, 22633 mSDsCounter, 0 mSdLazyCounter, 5111 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 01:03:02,638 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2147 Valid, 23301 Invalid, 5134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5111 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 01:03:02,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44432 states. [2022-01-18 01:03:03,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44432 to 23087. [2022-01-18 01:03:03,099 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) [2022-01-18 01:03:03,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23087 states to 23087 states and 63651 transitions. [2022-01-18 01:03:03,141 INFO L78 Accepts]: Start accepts. Automaton has 23087 states and 63651 transitions. Word has length 199 [2022-01-18 01:03:03,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:03,141 INFO L470 AbstractCegarLoop]: Abstraction has 23087 states and 63651 transitions. [2022-01-18 01:03:03,141 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) [2022-01-18 01:03:03,141 INFO L276 IsEmpty]: Start isEmpty. Operand 23087 states and 63651 transitions. [2022-01-18 01:03:03,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:03:03,168 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:03,168 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] [2022-01-18 01:03:03,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2022-01-18 01:03:03,168 INFO L402 AbstractCegarLoop]: === Iteration 155 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:03,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:03,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1370030193, now seen corresponding path program 131 times [2022-01-18 01:03:03,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:03,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151664082] [2022-01-18 01:03:03,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:03,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:03,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:03,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:03:03,465 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:03,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151664082] [2022-01-18 01:03:03,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151664082] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:03,465 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:03,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:03:03,465 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841918840] [2022-01-18 01:03:03,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:03,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:03:03,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:03,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:03:03,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:03:03,466 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) [2022-01-18 01:03:06,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:06,462 INFO L93 Difference]: Finished difference Result 42585 states and 116395 transitions. [2022-01-18 01:03:06,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-01-18 01:03:06,462 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 [2022-01-18 01:03:06,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:06,533 INFO L225 Difference]: With dead ends: 42585 [2022-01-18 01:03:06,533 INFO L226 Difference]: Without dead ends: 42585 [2022-01-18 01:03:06,534 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1458 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=751, Invalid=6221, Unknown=0, NotChecked=0, Total=6972 [2022-01-18 01:03:06,534 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 [2022-01-18 01:03:06,534 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] [2022-01-18 01:03:06,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42585 states. [2022-01-18 01:03:06,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42585 to 23023. [2022-01-18 01:03:06,976 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) [2022-01-18 01:03:07,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23023 states to 23023 states and 63443 transitions. [2022-01-18 01:03:07,021 INFO L78 Accepts]: Start accepts. Automaton has 23023 states and 63443 transitions. Word has length 199 [2022-01-18 01:03:07,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:07,021 INFO L470 AbstractCegarLoop]: Abstraction has 23023 states and 63443 transitions. [2022-01-18 01:03:07,021 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) [2022-01-18 01:03:07,021 INFO L276 IsEmpty]: Start isEmpty. Operand 23023 states and 63443 transitions. [2022-01-18 01:03:07,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:03:07,049 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:07,050 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] [2022-01-18 01:03:07,050 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2022-01-18 01:03:07,050 INFO L402 AbstractCegarLoop]: === Iteration 156 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:07,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:07,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1001799733, now seen corresponding path program 132 times [2022-01-18 01:03:07,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:07,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681573353] [2022-01-18 01:03:07,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:07,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:07,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:07,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:03:07,343 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:07,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681573353] [2022-01-18 01:03:07,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681573353] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:07,343 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:07,343 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:03:07,343 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145559499] [2022-01-18 01:03:07,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:07,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:03:07,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:07,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:03:07,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:03:07,344 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) [2022-01-18 01:03:10,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:10,177 INFO L93 Difference]: Finished difference Result 40727 states and 111610 transitions. [2022-01-18 01:03:10,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-18 01:03:10,177 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 [2022-01-18 01:03:10,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:10,367 INFO L225 Difference]: With dead ends: 40727 [2022-01-18 01:03:10,367 INFO L226 Difference]: Without dead ends: 40727 [2022-01-18 01:03:10,368 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1155 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=662, Invalid=5344, Unknown=0, NotChecked=0, Total=6006 [2022-01-18 01:03:10,368 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, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 01:03:10,368 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1837 Valid, 23261 Invalid, 4959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4940 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 01:03:10,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40727 states. [2022-01-18 01:03:10,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40727 to 22975. [2022-01-18 01:03:10,715 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) [2022-01-18 01:03:10,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22975 states to 22975 states and 63299 transitions. [2022-01-18 01:03:10,760 INFO L78 Accepts]: Start accepts. Automaton has 22975 states and 63299 transitions. Word has length 199 [2022-01-18 01:03:10,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:10,761 INFO L470 AbstractCegarLoop]: Abstraction has 22975 states and 63299 transitions. [2022-01-18 01:03:10,761 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) [2022-01-18 01:03:10,761 INFO L276 IsEmpty]: Start isEmpty. Operand 22975 states and 63299 transitions. [2022-01-18 01:03:10,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:03:10,791 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:10,791 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] [2022-01-18 01:03:10,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2022-01-18 01:03:10,791 INFO L402 AbstractCegarLoop]: === Iteration 157 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:10,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:10,792 INFO L85 PathProgramCache]: Analyzing trace with hash 599487167, now seen corresponding path program 133 times [2022-01-18 01:03:10,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:10,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843937712] [2022-01-18 01:03:10,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:10,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:10,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:11,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:03:11,085 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:11,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843937712] [2022-01-18 01:03:11,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843937712] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:11,085 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:11,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:03:11,086 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978836083] [2022-01-18 01:03:11,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:11,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:03:11,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:11,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:03:11,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:03:11,086 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) [2022-01-18 01:03:13,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:13,817 INFO L93 Difference]: Finished difference Result 42085 states and 115002 transitions. [2022-01-18 01:03:13,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-18 01:03:13,817 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 [2022-01-18 01:03:13,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:13,887 INFO L225 Difference]: With dead ends: 42085 [2022-01-18 01:03:13,887 INFO L226 Difference]: Without dead ends: 42085 [2022-01-18 01:03:13,888 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 [2022-01-18 01:03:13,888 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, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 01:03:13,888 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1893 Valid, 23574 Invalid, 4875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4856 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 01:03:13,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42085 states. [2022-01-18 01:03:14,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42085 to 22959. [2022-01-18 01:03:14,322 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) [2022-01-18 01:03:14,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22959 states to 22959 states and 63251 transitions. [2022-01-18 01:03:14,367 INFO L78 Accepts]: Start accepts. Automaton has 22959 states and 63251 transitions. Word has length 199 [2022-01-18 01:03:14,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:14,367 INFO L470 AbstractCegarLoop]: Abstraction has 22959 states and 63251 transitions. [2022-01-18 01:03:14,367 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) [2022-01-18 01:03:14,367 INFO L276 IsEmpty]: Start isEmpty. Operand 22959 states and 63251 transitions. [2022-01-18 01:03:14,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:03:14,397 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:14,398 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] [2022-01-18 01:03:14,398 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2022-01-18 01:03:14,398 INFO L402 AbstractCegarLoop]: === Iteration 158 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:14,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:14,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1744151, now seen corresponding path program 134 times [2022-01-18 01:03:14,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:14,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184834290] [2022-01-18 01:03:14,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:14,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:14,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:14,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:03:14,690 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:14,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184834290] [2022-01-18 01:03:14,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184834290] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:14,691 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:14,691 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:03:14,691 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728716951] [2022-01-18 01:03:14,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:14,691 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:03:14,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:14,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:03:14,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:03:14,691 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) [2022-01-18 01:03:17,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:17,403 INFO L93 Difference]: Finished difference Result 41078 states and 112144 transitions. [2022-01-18 01:03:17,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-18 01:03:17,403 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 [2022-01-18 01:03:17,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:17,476 INFO L225 Difference]: With dead ends: 41078 [2022-01-18 01:03:17,476 INFO L226 Difference]: Without dead ends: 41078 [2022-01-18 01:03:17,477 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 [2022-01-18 01:03:17,478 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, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 01:03:17,478 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1764 Valid, 24578 Invalid, 4909 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4890 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 01:03:17,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41078 states. [2022-01-18 01:03:17,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41078 to 22751. [2022-01-18 01:03:17,884 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) [2022-01-18 01:03:17,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22751 states to 22751 states and 62627 transitions. [2022-01-18 01:03:17,924 INFO L78 Accepts]: Start accepts. Automaton has 22751 states and 62627 transitions. Word has length 199 [2022-01-18 01:03:17,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:17,924 INFO L470 AbstractCegarLoop]: Abstraction has 22751 states and 62627 transitions. [2022-01-18 01:03:17,924 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) [2022-01-18 01:03:17,924 INFO L276 IsEmpty]: Start isEmpty. Operand 22751 states and 62627 transitions. [2022-01-18 01:03:17,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:03:17,950 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:17,950 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] [2022-01-18 01:03:17,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2022-01-18 01:03:17,950 INFO L402 AbstractCegarLoop]: === Iteration 159 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:17,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:17,950 INFO L85 PathProgramCache]: Analyzing trace with hash 691855757, now seen corresponding path program 135 times [2022-01-18 01:03:17,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:17,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328778486] [2022-01-18 01:03:17,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:17,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:17,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:18,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:03:18,243 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:18,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328778486] [2022-01-18 01:03:18,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328778486] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:18,243 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:18,244 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:03:18,244 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872465289] [2022-01-18 01:03:18,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:18,244 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:03:18,244 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:18,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:03:18,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:03:18,244 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) [2022-01-18 01:03:20,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:20,801 INFO L93 Difference]: Finished difference Result 38087 states and 103971 transitions. [2022-01-18 01:03:20,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-01-18 01:03:20,801 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 [2022-01-18 01:03:20,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:20,868 INFO L225 Difference]: With dead ends: 38087 [2022-01-18 01:03:20,868 INFO L226 Difference]: Without dead ends: 38087 [2022-01-18 01:03:20,869 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 [2022-01-18 01:03:20,869 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, 1.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:03:20,869 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1784 Valid, 20323 Invalid, 4556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4533 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-18 01:03:20,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38087 states. [2022-01-18 01:03:21,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38087 to 22911. [2022-01-18 01:03:21,290 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) [2022-01-18 01:03:21,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22911 states to 22911 states and 63111 transitions. [2022-01-18 01:03:21,332 INFO L78 Accepts]: Start accepts. Automaton has 22911 states and 63111 transitions. Word has length 199 [2022-01-18 01:03:21,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:21,332 INFO L470 AbstractCegarLoop]: Abstraction has 22911 states and 63111 transitions. [2022-01-18 01:03:21,332 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) [2022-01-18 01:03:21,333 INFO L276 IsEmpty]: Start isEmpty. Operand 22911 states and 63111 transitions. [2022-01-18 01:03:21,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:03:21,360 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:21,360 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] [2022-01-18 01:03:21,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2022-01-18 01:03:21,360 INFO L402 AbstractCegarLoop]: === Iteration 160 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:21,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:21,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1329942285, now seen corresponding path program 136 times [2022-01-18 01:03:21,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:21,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680147067] [2022-01-18 01:03:21,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:21,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:21,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:21,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:03:21,657 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:21,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680147067] [2022-01-18 01:03:21,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680147067] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:21,658 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:21,658 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:03:21,658 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974202258] [2022-01-18 01:03:21,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:21,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:03:21,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:21,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:03:21,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:03:21,658 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) [2022-01-18 01:03:24,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:24,280 INFO L93 Difference]: Finished difference Result 37183 states and 101771 transitions. [2022-01-18 01:03:24,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-18 01:03:24,281 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 [2022-01-18 01:03:24,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:24,341 INFO L225 Difference]: With dead ends: 37183 [2022-01-18 01:03:24,342 INFO L226 Difference]: Without dead ends: 37183 [2022-01-18 01:03:24,342 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 [2022-01-18 01:03:24,343 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, 1.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:03:24,343 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1777 Valid, 21003 Invalid, 4606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4583 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-18 01:03:24,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37183 states. [2022-01-18 01:03:24,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37183 to 22847. [2022-01-18 01:03:24,779 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) [2022-01-18 01:03:24,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22847 states to 22847 states and 62903 transitions. [2022-01-18 01:03:24,825 INFO L78 Accepts]: Start accepts. Automaton has 22847 states and 62903 transitions. Word has length 199 [2022-01-18 01:03:24,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:24,825 INFO L470 AbstractCegarLoop]: Abstraction has 22847 states and 62903 transitions. [2022-01-18 01:03:24,825 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) [2022-01-18 01:03:24,825 INFO L276 IsEmpty]: Start isEmpty. Operand 22847 states and 62903 transitions. [2022-01-18 01:03:24,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:03:24,855 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:24,855 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] [2022-01-18 01:03:24,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2022-01-18 01:03:24,855 INFO L402 AbstractCegarLoop]: === Iteration 161 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:24,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:24,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1707139509, now seen corresponding path program 137 times [2022-01-18 01:03:24,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:24,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467338470] [2022-01-18 01:03:24,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:24,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:24,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:25,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:03:25,149 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:25,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467338470] [2022-01-18 01:03:25,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467338470] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:25,149 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:25,149 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:03:25,149 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18848078] [2022-01-18 01:03:25,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:25,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:03:25,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:25,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:03:25,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:03:25,149 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) [2022-01-18 01:03:27,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:27,564 INFO L93 Difference]: Finished difference Result 34988 states and 95598 transitions. [2022-01-18 01:03:27,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-18 01:03:27,564 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 [2022-01-18 01:03:27,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:27,623 INFO L225 Difference]: With dead ends: 34988 [2022-01-18 01:03:27,623 INFO L226 Difference]: Without dead ends: 34988 [2022-01-18 01:03:27,624 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 [2022-01-18 01:03:27,624 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 [2022-01-18 01:03:27,624 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] [2022-01-18 01:03:27,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34988 states. [2022-01-18 01:03:27,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34988 to 22799. [2022-01-18 01:03:27,978 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) [2022-01-18 01:03:28,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22799 states to 22799 states and 62759 transitions. [2022-01-18 01:03:28,019 INFO L78 Accepts]: Start accepts. Automaton has 22799 states and 62759 transitions. Word has length 199 [2022-01-18 01:03:28,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:28,019 INFO L470 AbstractCegarLoop]: Abstraction has 22799 states and 62759 transitions. [2022-01-18 01:03:28,019 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) [2022-01-18 01:03:28,019 INFO L276 IsEmpty]: Start isEmpty. Operand 22799 states and 62759 transitions. [2022-01-18 01:03:28,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:03:28,046 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:28,046 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] [2022-01-18 01:03:28,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2022-01-18 01:03:28,046 INFO L402 AbstractCegarLoop]: === Iteration 162 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:28,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:28,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1344432821, now seen corresponding path program 138 times [2022-01-18 01:03:28,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:28,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471305645] [2022-01-18 01:03:28,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:28,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:28,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:28,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:03:28,347 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:28,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471305645] [2022-01-18 01:03:28,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471305645] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:28,347 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:28,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:03:28,347 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564017052] [2022-01-18 01:03:28,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:28,347 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:03:28,348 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:28,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:03:28,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:03:28,348 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) [2022-01-18 01:03:31,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:31,051 INFO L93 Difference]: Finished difference Result 38679 states and 105561 transitions. [2022-01-18 01:03:31,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-18 01:03:31,051 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 [2022-01-18 01:03:31,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:31,117 INFO L225 Difference]: With dead ends: 38679 [2022-01-18 01:03:31,117 INFO L226 Difference]: Without dead ends: 38679 [2022-01-18 01:03:31,118 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 [2022-01-18 01:03:31,118 INFO L933 BasicCegarLoop]: 945 mSDtfsCounter, 1791 mSDsluCounter, 20560 mSDsCounter, 0 mSdLazyCounter, 4747 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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 [2022-01-18 01:03:31,118 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] [2022-01-18 01:03:31,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38679 states. [2022-01-18 01:03:31,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38679 to 22911. [2022-01-18 01:03:31,501 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) [2022-01-18 01:03:31,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22911 states to 22911 states and 63111 transitions. [2022-01-18 01:03:31,541 INFO L78 Accepts]: Start accepts. Automaton has 22911 states and 63111 transitions. Word has length 199 [2022-01-18 01:03:31,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:31,542 INFO L470 AbstractCegarLoop]: Abstraction has 22911 states and 63111 transitions. [2022-01-18 01:03:31,542 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) [2022-01-18 01:03:31,542 INFO L276 IsEmpty]: Start isEmpty. Operand 22911 states and 63111 transitions. [2022-01-18 01:03:31,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:03:31,568 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:31,568 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] [2022-01-18 01:03:31,568 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2022-01-18 01:03:31,568 INFO L402 AbstractCegarLoop]: === Iteration 163 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:31,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:31,568 INFO L85 PathProgramCache]: Analyzing trace with hash 928736433, now seen corresponding path program 139 times [2022-01-18 01:03:31,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:31,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977257992] [2022-01-18 01:03:31,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:31,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:31,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:31,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:03:31,868 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:31,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977257992] [2022-01-18 01:03:31,868 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977257992] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:31,868 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:31,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:03:31,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631369975] [2022-01-18 01:03:31,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:31,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:03:31,869 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:31,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:03:31,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:03:31,869 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) [2022-01-18 01:03:34,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:34,599 INFO L93 Difference]: Finished difference Result 37667 states and 103093 transitions. [2022-01-18 01:03:34,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-18 01:03:34,600 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 [2022-01-18 01:03:34,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:34,664 INFO L225 Difference]: With dead ends: 37667 [2022-01-18 01:03:34,665 INFO L226 Difference]: Without dead ends: 37667 [2022-01-18 01:03:34,665 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1160 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=654, Invalid=5352, Unknown=0, NotChecked=0, Total=6006 [2022-01-18 01:03:34,666 INFO L933 BasicCegarLoop]: 1001 mSDtfsCounter, 1786 mSDsluCounter, 21563 mSDsCounter, 0 mSdLazyCounter, 4768 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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 [2022-01-18 01:03:34,666 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] [2022-01-18 01:03:34,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37667 states. [2022-01-18 01:03:35,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37667 to 22847. [2022-01-18 01:03:35,087 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) [2022-01-18 01:03:35,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22847 states to 22847 states and 62903 transitions. [2022-01-18 01:03:35,131 INFO L78 Accepts]: Start accepts. Automaton has 22847 states and 62903 transitions. Word has length 199 [2022-01-18 01:03:35,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:35,131 INFO L470 AbstractCegarLoop]: Abstraction has 22847 states and 62903 transitions. [2022-01-18 01:03:35,131 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) [2022-01-18 01:03:35,131 INFO L276 IsEmpty]: Start isEmpty. Operand 22847 states and 62903 transitions. [2022-01-18 01:03:35,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:03:35,161 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:35,161 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] [2022-01-18 01:03:35,161 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2022-01-18 01:03:35,161 INFO L402 AbstractCegarLoop]: === Iteration 164 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:35,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:35,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1278190317, now seen corresponding path program 140 times [2022-01-18 01:03:35,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:35,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512626170] [2022-01-18 01:03:35,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:35,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:35,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:35,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:03:35,473 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:35,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512626170] [2022-01-18 01:03:35,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512626170] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:35,473 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:35,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:03:35,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64865950] [2022-01-18 01:03:35,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:35,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:03:35,474 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:35,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:03:35,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:03:35,475 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) [2022-01-18 01:03:38,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:38,025 INFO L93 Difference]: Finished difference Result 34408 states and 94290 transitions. [2022-01-18 01:03:38,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-01-18 01:03:38,025 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 [2022-01-18 01:03:38,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:38,081 INFO L225 Difference]: With dead ends: 34408 [2022-01-18 01:03:38,081 INFO L226 Difference]: Without dead ends: 34408 [2022-01-18 01:03:38,082 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 898 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=575, Invalid=4537, Unknown=0, NotChecked=0, Total=5112 [2022-01-18 01:03:38,082 INFO L933 BasicCegarLoop]: 945 mSDtfsCounter, 1545 mSDsluCounter, 20243 mSDsCounter, 0 mSdLazyCounter, 4551 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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 [2022-01-18 01:03:38,082 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] [2022-01-18 01:03:38,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34408 states. [2022-01-18 01:03:38,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34408 to 22763. [2022-01-18 01:03:38,438 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) [2022-01-18 01:03:38,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22763 states to 22763 states and 62660 transitions. [2022-01-18 01:03:38,479 INFO L78 Accepts]: Start accepts. Automaton has 22763 states and 62660 transitions. Word has length 199 [2022-01-18 01:03:38,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:38,479 INFO L470 AbstractCegarLoop]: Abstraction has 22763 states and 62660 transitions. [2022-01-18 01:03:38,479 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) [2022-01-18 01:03:38,479 INFO L276 IsEmpty]: Start isEmpty. Operand 22763 states and 62660 transitions. [2022-01-18 01:03:38,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:03:38,505 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:38,505 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] [2022-01-18 01:03:38,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2022-01-18 01:03:38,505 INFO L402 AbstractCegarLoop]: === Iteration 165 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:38,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:38,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1371592017, now seen corresponding path program 141 times [2022-01-18 01:03:38,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:38,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102408811] [2022-01-18 01:03:38,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:38,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:38,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:38,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:03:38,801 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:38,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102408811] [2022-01-18 01:03:38,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102408811] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:38,801 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:38,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:03:38,801 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521399363] [2022-01-18 01:03:38,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:38,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:03:38,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:38,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:03:38,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:03:38,802 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) [2022-01-18 01:03:41,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:41,689 INFO L93 Difference]: Finished difference Result 42725 states and 116437 transitions. [2022-01-18 01:03:41,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-18 01:03:41,689 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 [2022-01-18 01:03:41,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:41,769 INFO L225 Difference]: With dead ends: 42725 [2022-01-18 01:03:41,769 INFO L226 Difference]: Without dead ends: 42725 [2022-01-18 01:03:41,770 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1151 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=685, Invalid=5321, Unknown=0, NotChecked=0, Total=6006 [2022-01-18 01:03:41,770 INFO L933 BasicCegarLoop]: 1006 mSDtfsCounter, 1972 mSDsluCounter, 22018 mSDsCounter, 0 mSdLazyCounter, 5065 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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 [2022-01-18 01:03:41,770 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] [2022-01-18 01:03:41,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42725 states. [2022-01-18 01:03:42,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42725 to 22891. [2022-01-18 01:03:42,194 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) [2022-01-18 01:03:42,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22891 states to 22891 states and 63060 transitions. [2022-01-18 01:03:42,236 INFO L78 Accepts]: Start accepts. Automaton has 22891 states and 63060 transitions. Word has length 199 [2022-01-18 01:03:42,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:42,237 INFO L470 AbstractCegarLoop]: Abstraction has 22891 states and 63060 transitions. [2022-01-18 01:03:42,237 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) [2022-01-18 01:03:42,237 INFO L276 IsEmpty]: Start isEmpty. Operand 22891 states and 63060 transitions. [2022-01-18 01:03:42,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:03:42,263 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:42,263 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] [2022-01-18 01:03:42,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2022-01-18 01:03:42,263 INFO L402 AbstractCegarLoop]: === Iteration 166 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:42,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:42,264 INFO L85 PathProgramCache]: Analyzing trace with hash -650206025, now seen corresponding path program 142 times [2022-01-18 01:03:42,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:42,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733159491] [2022-01-18 01:03:42,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:42,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:42,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:42,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:03:42,566 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:42,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733159491] [2022-01-18 01:03:42,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733159491] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:42,566 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:42,566 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:03:42,566 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429881468] [2022-01-18 01:03:42,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:42,567 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:03:42,567 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:42,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:03:42,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:03:42,567 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) [2022-01-18 01:03:45,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:45,604 INFO L93 Difference]: Finished difference Result 41542 states and 113531 transitions. [2022-01-18 01:03:45,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-01-18 01:03:45,604 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 [2022-01-18 01:03:45,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:45,680 INFO L225 Difference]: With dead ends: 41542 [2022-01-18 01:03:45,680 INFO L226 Difference]: Without dead ends: 41542 [2022-01-18 01:03:45,681 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1353 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=719, Invalid=5923, Unknown=0, NotChecked=0, Total=6642 [2022-01-18 01:03:45,681 INFO L933 BasicCegarLoop]: 1075 mSDtfsCounter, 1948 mSDsluCounter, 23260 mSDsCounter, 0 mSdLazyCounter, 5021 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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 [2022-01-18 01:03:45,681 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] [2022-01-18 01:03:45,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41542 states. [2022-01-18 01:03:46,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41542 to 22827. [2022-01-18 01:03:46,092 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) [2022-01-18 01:03:46,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22827 states to 22827 states and 62852 transitions. [2022-01-18 01:03:46,133 INFO L78 Accepts]: Start accepts. Automaton has 22827 states and 62852 transitions. Word has length 199 [2022-01-18 01:03:46,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:46,133 INFO L470 AbstractCegarLoop]: Abstraction has 22827 states and 62852 transitions. [2022-01-18 01:03:46,133 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) [2022-01-18 01:03:46,133 INFO L276 IsEmpty]: Start isEmpty. Operand 22827 states and 62852 transitions. [2022-01-18 01:03:46,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:03:46,159 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:46,159 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] [2022-01-18 01:03:46,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2022-01-18 01:03:46,159 INFO L402 AbstractCegarLoop]: === Iteration 167 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:46,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:46,160 INFO L85 PathProgramCache]: Analyzing trace with hash -300752141, now seen corresponding path program 143 times [2022-01-18 01:03:46,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:46,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908668683] [2022-01-18 01:03:46,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:46,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:46,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:46,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:03:46,460 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:46,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908668683] [2022-01-18 01:03:46,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908668683] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:46,460 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:46,460 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:03:46,460 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525381973] [2022-01-18 01:03:46,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:46,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:03:46,460 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:46,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:03:46,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:03:46,461 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) [2022-01-18 01:03:49,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:49,115 INFO L93 Difference]: Finished difference Result 37712 states and 103284 transitions. [2022-01-18 01:03:49,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-18 01:03:49,115 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 [2022-01-18 01:03:49,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:49,177 INFO L225 Difference]: With dead ends: 37712 [2022-01-18 01:03:49,177 INFO L226 Difference]: Without dead ends: 37712 [2022-01-18 01:03:49,178 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 [2022-01-18 01:03:49,178 INFO L933 BasicCegarLoop]: 1020 mSDtfsCounter, 1658 mSDsluCounter, 21937 mSDsCounter, 0 mSdLazyCounter, 4817 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 01:03:49,178 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1658 Valid, 22738 Invalid, 4836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4817 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 01:03:49,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37712 states. [2022-01-18 01:03:49,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37712 to 22779. [2022-01-18 01:03:49,563 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) [2022-01-18 01:03:49,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22779 states to 22779 states and 62708 transitions. [2022-01-18 01:03:49,602 INFO L78 Accepts]: Start accepts. Automaton has 22779 states and 62708 transitions. Word has length 199 [2022-01-18 01:03:49,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:49,602 INFO L470 AbstractCegarLoop]: Abstraction has 22779 states and 62708 transitions. [2022-01-18 01:03:49,602 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) [2022-01-18 01:03:49,602 INFO L276 IsEmpty]: Start isEmpty. Operand 22779 states and 62708 transitions. [2022-01-18 01:03:49,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:03:49,628 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:49,628 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] [2022-01-18 01:03:49,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2022-01-18 01:03:49,628 INFO L402 AbstractCegarLoop]: === Iteration 168 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:49,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:49,629 INFO L85 PathProgramCache]: Analyzing trace with hash 701619839, now seen corresponding path program 144 times [2022-01-18 01:03:49,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:49,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793357097] [2022-01-18 01:03:49,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:49,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:49,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:03:49,918 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:49,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793357097] [2022-01-18 01:03:49,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793357097] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:49,918 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:49,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:03:49,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591075875] [2022-01-18 01:03:49,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:49,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:03:49,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:49,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:03:49,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:03:49,919 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) [2022-01-18 01:03:52,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:52,549 INFO L93 Difference]: Finished difference Result 38446 states and 104978 transitions. [2022-01-18 01:03:52,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-18 01:03:52,549 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 [2022-01-18 01:03:52,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:52,612 INFO L225 Difference]: With dead ends: 38446 [2022-01-18 01:03:52,612 INFO L226 Difference]: Without dead ends: 38446 [2022-01-18 01:03:52,613 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 [2022-01-18 01:03:52,613 INFO L933 BasicCegarLoop]: 1049 mSDtfsCounter, 1692 mSDsluCounter, 22656 mSDsCounter, 0 mSdLazyCounter, 4748 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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 [2022-01-18 01:03:52,613 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] [2022-01-18 01:03:52,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38446 states. [2022-01-18 01:03:52,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38446 to 22595. [2022-01-18 01:03:53,000 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) [2022-01-18 01:03:53,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22595 states to 22595 states and 62198 transitions. [2022-01-18 01:03:53,040 INFO L78 Accepts]: Start accepts. Automaton has 22595 states and 62198 transitions. Word has length 199 [2022-01-18 01:03:53,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:53,040 INFO L470 AbstractCegarLoop]: Abstraction has 22595 states and 62198 transitions. [2022-01-18 01:03:53,041 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) [2022-01-18 01:03:53,041 INFO L276 IsEmpty]: Start isEmpty. Operand 22595 states and 62198 transitions. [2022-01-18 01:03:53,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:03:53,067 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:53,067 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] [2022-01-18 01:03:53,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167 [2022-01-18 01:03:53,067 INFO L402 AbstractCegarLoop]: === Iteration 169 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:53,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:53,067 INFO L85 PathProgramCache]: Analyzing trace with hash -386814799, now seen corresponding path program 145 times [2022-01-18 01:03:53,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:53,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493707805] [2022-01-18 01:03:53,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:53,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:53,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:03:53,362 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:53,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493707805] [2022-01-18 01:03:53,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493707805] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:53,362 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:53,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:03:53,362 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475917266] [2022-01-18 01:03:53,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:53,362 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:03:53,362 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:53,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:03:53,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:03:53,363 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) [2022-01-18 01:03:56,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:56,561 INFO L93 Difference]: Finished difference Result 47458 states and 129111 transitions. [2022-01-18 01:03:56,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-01-18 01:03:56,561 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 [2022-01-18 01:03:56,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:56,641 INFO L225 Difference]: With dead ends: 47458 [2022-01-18 01:03:56,641 INFO L226 Difference]: Without dead ends: 47458 [2022-01-18 01:03:56,642 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 [2022-01-18 01:03:56,642 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 [2022-01-18 01:03:56,642 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] [2022-01-18 01:03:56,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47458 states. [2022-01-18 01:03:57,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47458 to 22947. [2022-01-18 01:03:57,113 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) [2022-01-18 01:03:57,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22947 states to 22947 states and 63270 transitions. [2022-01-18 01:03:57,161 INFO L78 Accepts]: Start accepts. Automaton has 22947 states and 63270 transitions. Word has length 199 [2022-01-18 01:03:57,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:57,161 INFO L470 AbstractCegarLoop]: Abstraction has 22947 states and 63270 transitions. [2022-01-18 01:03:57,161 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) [2022-01-18 01:03:57,161 INFO L276 IsEmpty]: Start isEmpty. Operand 22947 states and 63270 transitions. [2022-01-18 01:03:57,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:03:57,190 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:57,190 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] [2022-01-18 01:03:57,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168 [2022-01-18 01:03:57,191 INFO L402 AbstractCegarLoop]: === Iteration 170 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:57,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:57,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1886354455, now seen corresponding path program 146 times [2022-01-18 01:03:57,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:57,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477247907] [2022-01-18 01:03:57,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:57,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:57,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:57,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:03:57,494 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:57,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477247907] [2022-01-18 01:03:57,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477247907] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:57,495 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:57,495 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:03:57,495 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880268334] [2022-01-18 01:03:57,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:57,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:03:57,495 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:57,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:03:57,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:03:57,495 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) [2022-01-18 01:04:00,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:00,563 INFO L93 Difference]: Finished difference Result 44953 states and 122746 transitions. [2022-01-18 01:04:00,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-01-18 01:04:00,563 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 [2022-01-18 01:04:00,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:00,638 INFO L225 Difference]: With dead ends: 44953 [2022-01-18 01:04:00,638 INFO L226 Difference]: Without dead ends: 44953 [2022-01-18 01:04:00,639 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1510 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=772, Invalid=6368, Unknown=0, NotChecked=0, Total=7140 [2022-01-18 01:04:00,639 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 [2022-01-18 01:04:00,639 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] [2022-01-18 01:04:00,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44953 states. [2022-01-18 01:04:01,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44953 to 22883. [2022-01-18 01:04:01,073 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) [2022-01-18 01:04:01,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22883 states to 22883 states and 63062 transitions. [2022-01-18 01:04:01,115 INFO L78 Accepts]: Start accepts. Automaton has 22883 states and 63062 transitions. Word has length 199 [2022-01-18 01:04:01,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:01,115 INFO L470 AbstractCegarLoop]: Abstraction has 22883 states and 63062 transitions. [2022-01-18 01:04:01,115 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) [2022-01-18 01:04:01,115 INFO L276 IsEmpty]: Start isEmpty. Operand 22883 states and 63062 transitions. [2022-01-18 01:04:01,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:04:01,142 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:01,142 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] [2022-01-18 01:04:01,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169 [2022-01-18 01:04:01,142 INFO L402 AbstractCegarLoop]: === Iteration 171 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:01,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:01,142 INFO L85 PathProgramCache]: Analyzing trace with hash -485475471, now seen corresponding path program 147 times [2022-01-18 01:04:01,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:01,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980710815] [2022-01-18 01:04:01,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:01,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:01,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:01,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:04:01,438 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:01,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980710815] [2022-01-18 01:04:01,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980710815] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:01,438 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:01,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:04:01,438 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334608830] [2022-01-18 01:04:01,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:01,438 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:04:01,439 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:01,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:04:01,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:04:01,439 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) [2022-01-18 01:04:04,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:04,377 INFO L93 Difference]: Finished difference Result 43095 states and 117961 transitions. [2022-01-18 01:04:04,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-01-18 01:04:04,378 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 [2022-01-18 01:04:04,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:04,449 INFO L225 Difference]: With dead ends: 43095 [2022-01-18 01:04:04,449 INFO L226 Difference]: Without dead ends: 43095 [2022-01-18 01:04:04,450 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1202 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=679, Invalid=5483, Unknown=0, NotChecked=0, Total=6162 [2022-01-18 01:04:04,450 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 [2022-01-18 01:04:04,450 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] [2022-01-18 01:04:04,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43095 states. [2022-01-18 01:04:04,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43095 to 22835. [2022-01-18 01:04:04,865 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) [2022-01-18 01:04:04,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22835 states to 22835 states and 62918 transitions. [2022-01-18 01:04:04,906 INFO L78 Accepts]: Start accepts. Automaton has 22835 states and 62918 transitions. Word has length 199 [2022-01-18 01:04:04,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:04,906 INFO L470 AbstractCegarLoop]: Abstraction has 22835 states and 62918 transitions. [2022-01-18 01:04:04,906 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) [2022-01-18 01:04:04,906 INFO L276 IsEmpty]: Start isEmpty. Operand 22835 states and 62918 transitions. [2022-01-18 01:04:04,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:04:04,933 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:04,933 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] [2022-01-18 01:04:04,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170 [2022-01-18 01:04:04,933 INFO L402 AbstractCegarLoop]: === Iteration 172 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:04,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:04,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1115811429, now seen corresponding path program 148 times [2022-01-18 01:04:04,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:04,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337737817] [2022-01-18 01:04:04,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:04,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:04,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:05,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:04:05,230 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:05,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337737817] [2022-01-18 01:04:05,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337737817] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:05,230 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:05,230 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:04:05,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098066177] [2022-01-18 01:04:05,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:05,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:04:05,230 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:05,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:04:05,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:04:05,231 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) [2022-01-18 01:04:08,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:08,136 INFO L93 Difference]: Finished difference Result 44453 states and 121353 transitions. [2022-01-18 01:04:08,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-01-18 01:04:08,137 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 [2022-01-18 01:04:08,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:08,212 INFO L225 Difference]: With dead ends: 44453 [2022-01-18 01:04:08,213 INFO L226 Difference]: Without dead ends: 44453 [2022-01-18 01:04:08,213 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1203 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=675, Invalid=5487, Unknown=0, NotChecked=0, Total=6162 [2022-01-18 01:04:08,214 INFO L933 BasicCegarLoop]: 1138 mSDtfsCounter, 1902 mSDsluCounter, 24603 mSDsCounter, 0 mSdLazyCounter, 5211 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 01:04:08,214 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1902 Valid, 25454 Invalid, 5230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5211 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 01:04:08,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44453 states. [2022-01-18 01:04:08,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44453 to 22819. [2022-01-18 01:04:08,666 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) [2022-01-18 01:04:08,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22819 states to 22819 states and 62870 transitions. [2022-01-18 01:04:08,710 INFO L78 Accepts]: Start accepts. Automaton has 22819 states and 62870 transitions. Word has length 199 [2022-01-18 01:04:08,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:08,710 INFO L470 AbstractCegarLoop]: Abstraction has 22819 states and 62870 transitions. [2022-01-18 01:04:08,711 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) [2022-01-18 01:04:08,711 INFO L276 IsEmpty]: Start isEmpty. Operand 22819 states and 62870 transitions. [2022-01-18 01:04:08,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:04:08,738 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:08,738 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] [2022-01-18 01:04:08,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable171 [2022-01-18 01:04:08,738 INFO L402 AbstractCegarLoop]: === Iteration 173 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:08,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:08,738 INFO L85 PathProgramCache]: Analyzing trace with hash 514580111, now seen corresponding path program 149 times [2022-01-18 01:04:08,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:08,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899447801] [2022-01-18 01:04:08,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:08,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:08,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:09,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:04:09,041 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:09,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899447801] [2022-01-18 01:04:09,041 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899447801] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:09,041 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:09,041 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:04:09,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282136222] [2022-01-18 01:04:09,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:09,041 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:04:09,041 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:09,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:04:09,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:04:09,042 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) [2022-01-18 01:04:11,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:11,966 INFO L93 Difference]: Finished difference Result 45696 states and 124525 transitions. [2022-01-18 01:04:11,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-01-18 01:04:11,966 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 [2022-01-18 01:04:11,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:12,047 INFO L225 Difference]: With dead ends: 45696 [2022-01-18 01:04:12,048 INFO L226 Difference]: Without dead ends: 45696 [2022-01-18 01:04:12,049 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1204 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=668, Invalid=5494, Unknown=0, NotChecked=0, Total=6162 [2022-01-18 01:04:12,049 INFO L933 BasicCegarLoop]: 1175 mSDtfsCounter, 1872 mSDsluCounter, 25383 mSDsCounter, 0 mSdLazyCounter, 5211 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 01:04:12,049 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1872 Valid, 26251 Invalid, 5230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5211 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 01:04:12,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45696 states. [2022-01-18 01:04:12,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45696 to 22611. [2022-01-18 01:04:12,481 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) [2022-01-18 01:04:12,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22611 states to 22611 states and 62246 transitions. [2022-01-18 01:04:12,521 INFO L78 Accepts]: Start accepts. Automaton has 22611 states and 62246 transitions. Word has length 199 [2022-01-18 01:04:12,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:12,522 INFO L470 AbstractCegarLoop]: Abstraction has 22611 states and 62246 transitions. [2022-01-18 01:04:12,522 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) [2022-01-18 01:04:12,522 INFO L276 IsEmpty]: Start isEmpty. Operand 22611 states and 62246 transitions. [2022-01-18 01:04:12,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:04:12,548 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:12,548 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] [2022-01-18 01:04:12,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172 [2022-01-18 01:04:12,548 INFO L402 AbstractCegarLoop]: === Iteration 174 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:12,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:12,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1850373683, now seen corresponding path program 150 times [2022-01-18 01:04:12,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:12,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259781613] [2022-01-18 01:04:12,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:12,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:12,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:12,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:04:12,880 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:12,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259781613] [2022-01-18 01:04:12,880 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259781613] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:12,880 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:12,880 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:04:12,880 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568665120] [2022-01-18 01:04:12,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:12,880 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:04:12,880 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:12,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:04:12,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:04:12,880 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) [2022-01-18 01:04:15,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:15,626 INFO L93 Difference]: Finished difference Result 41265 states and 112417 transitions. [2022-01-18 01:04:15,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-18 01:04:15,627 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 [2022-01-18 01:04:15,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:15,697 INFO L225 Difference]: With dead ends: 41265 [2022-01-18 01:04:15,697 INFO L226 Difference]: Without dead ends: 41265 [2022-01-18 01:04:15,698 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 [2022-01-18 01:04:15,698 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, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 01:04:15,698 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1819 Valid, 25293 Invalid, 4960 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4941 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 01:04:15,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41265 states. [2022-01-18 01:04:16,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41265 to 22583. [2022-01-18 01:04:16,110 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) [2022-01-18 01:04:16,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22583 states to 22583 states and 62165 transitions. [2022-01-18 01:04:16,151 INFO L78 Accepts]: Start accepts. Automaton has 22583 states and 62165 transitions. Word has length 199 [2022-01-18 01:04:16,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:16,151 INFO L470 AbstractCegarLoop]: Abstraction has 22583 states and 62165 transitions. [2022-01-18 01:04:16,151 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) [2022-01-18 01:04:16,151 INFO L276 IsEmpty]: Start isEmpty. Operand 22583 states and 62165 transitions. [2022-01-18 01:04:16,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:04:16,177 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:16,177 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, 1, 1, 1, 1, 1, 1] [2022-01-18 01:04:16,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173 [2022-01-18 01:04:16,177 INFO L402 AbstractCegarLoop]: === Iteration 175 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:16,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:16,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1359362075, now seen corresponding path program 151 times [2022-01-18 01:04:16,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:16,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516020323] [2022-01-18 01:04:16,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:16,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:16,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:16,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:04:16,474 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:16,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516020323] [2022-01-18 01:04:16,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516020323] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:16,475 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:16,475 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:04:16,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504034846] [2022-01-18 01:04:16,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:16,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:04:16,475 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:16,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:04:16,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:04:16,475 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) [2022-01-18 01:04:19,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:19,772 INFO L93 Difference]: Finished difference Result 48005 states and 130591 transitions. [2022-01-18 01:04:19,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-01-18 01:04:19,772 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 [2022-01-18 01:04:19,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:19,859 INFO L225 Difference]: With dead ends: 48005 [2022-01-18 01:04:19,859 INFO L226 Difference]: Without dead ends: 48005 [2022-01-18 01:04:19,860 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1473 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=831, Invalid=6309, Unknown=0, NotChecked=0, Total=7140 [2022-01-18 01:04:19,860 INFO L933 BasicCegarLoop]: 1154 mSDtfsCounter, 2346 mSDsluCounter, 25468 mSDsCounter, 0 mSdLazyCounter, 5508 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s 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, 1.8s IncrementalHoareTripleChecker+Time [2022-01-18 01:04:19,860 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2346 Valid, 26177 Invalid, 5531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5508 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-18 01:04:19,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48005 states. [2022-01-18 01:04:20,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48005 to 22983. [2022-01-18 01:04:20,414 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) [2022-01-18 01:04:20,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22983 states to 22983 states and 63381 transitions. [2022-01-18 01:04:20,455 INFO L78 Accepts]: Start accepts. Automaton has 22983 states and 63381 transitions. Word has length 199 [2022-01-18 01:04:20,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:20,455 INFO L470 AbstractCegarLoop]: Abstraction has 22983 states and 63381 transitions. [2022-01-18 01:04:20,455 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) [2022-01-18 01:04:20,455 INFO L276 IsEmpty]: Start isEmpty. Operand 22983 states and 63381 transitions. [2022-01-18 01:04:20,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:04:20,482 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:20,482 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] [2022-01-18 01:04:20,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174 [2022-01-18 01:04:20,482 INFO L402 AbstractCegarLoop]: === Iteration 176 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:20,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:20,483 INFO L85 PathProgramCache]: Analyzing trace with hash 913807179, now seen corresponding path program 152 times [2022-01-18 01:04:20,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:20,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445263928] [2022-01-18 01:04:20,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:20,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:20,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:04:20,792 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:20,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445263928] [2022-01-18 01:04:20,792 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445263928] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:20,792 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:20,792 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:04:20,792 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834179902] [2022-01-18 01:04:20,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:20,793 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:04:20,793 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:20,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:04:20,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:04:20,793 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) [2022-01-18 01:04:23,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:23,875 INFO L93 Difference]: Finished difference Result 45312 states and 123734 transitions. [2022-01-18 01:04:23,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-01-18 01:04:23,875 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 [2022-01-18 01:04:23,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:23,954 INFO L225 Difference]: With dead ends: 45312 [2022-01-18 01:04:23,954 INFO L226 Difference]: Without dead ends: 45312 [2022-01-18 01:04:23,955 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 [2022-01-18 01:04:23,956 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, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 01:04:23,956 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2205 Valid, 26120 Invalid, 5281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5258 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 01:04:24,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45312 states. [2022-01-18 01:04:24,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45312 to 22919. [2022-01-18 01:04:24,389 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) [2022-01-18 01:04:24,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22919 states to 22919 states and 63173 transitions. [2022-01-18 01:04:24,432 INFO L78 Accepts]: Start accepts. Automaton has 22919 states and 63173 transitions. Word has length 199 [2022-01-18 01:04:24,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:24,432 INFO L470 AbstractCegarLoop]: Abstraction has 22919 states and 63173 transitions. [2022-01-18 01:04:24,432 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) [2022-01-18 01:04:24,432 INFO L276 IsEmpty]: Start isEmpty. Operand 22919 states and 63173 transitions. [2022-01-18 01:04:24,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:04:24,459 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:24,459 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] [2022-01-18 01:04:24,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175 [2022-01-18 01:04:24,459 INFO L402 AbstractCegarLoop]: === Iteration 177 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:24,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:24,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1458022747, now seen corresponding path program 153 times [2022-01-18 01:04:24,459 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:24,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125598843] [2022-01-18 01:04:24,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:24,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:24,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:24,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:04:24,762 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:24,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125598843] [2022-01-18 01:04:24,762 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125598843] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:24,762 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:24,762 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:04:24,762 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309573311] [2022-01-18 01:04:24,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:24,762 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:04:24,762 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:24,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:04:24,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:04:24,763 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) [2022-01-18 01:04:27,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:27,718 INFO L93 Difference]: Finished difference Result 43454 states and 118949 transitions. [2022-01-18 01:04:27,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-01-18 01:04:27,719 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 [2022-01-18 01:04:27,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:27,795 INFO L225 Difference]: With dead ends: 43454 [2022-01-18 01:04:27,795 INFO L226 Difference]: Without dead ends: 43454 [2022-01-18 01:04:27,796 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 [2022-01-18 01:04:27,796 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, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 01:04:27,796 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1935 Valid, 25662 Invalid, 5243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5224 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 01:04:27,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43454 states. [2022-01-18 01:04:28,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43454 to 22871. [2022-01-18 01:04:28,209 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) [2022-01-18 01:04:28,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22871 states to 22871 states and 63029 transitions. [2022-01-18 01:04:28,249 INFO L78 Accepts]: Start accepts. Automaton has 22871 states and 63029 transitions. Word has length 199 [2022-01-18 01:04:28,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:28,249 INFO L470 AbstractCegarLoop]: Abstraction has 22871 states and 63029 transitions. [2022-01-18 01:04:28,249 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) [2022-01-18 01:04:28,249 INFO L276 IsEmpty]: Start isEmpty. Operand 22871 states and 63029 transitions. [2022-01-18 01:04:28,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:04:28,275 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:28,275 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] [2022-01-18 01:04:28,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176 [2022-01-18 01:04:28,275 INFO L402 AbstractCegarLoop]: === Iteration 178 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:28,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:28,276 INFO L85 PathProgramCache]: Analyzing trace with hash 143264153, now seen corresponding path program 154 times [2022-01-18 01:04:28,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:28,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572995403] [2022-01-18 01:04:28,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:28,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:28,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:28,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:04:28,559 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:28,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572995403] [2022-01-18 01:04:28,559 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572995403] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:28,559 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:28,560 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:04:28,560 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425676128] [2022-01-18 01:04:28,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:28,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:04:28,560 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:28,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:04:28,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:04:28,560 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) [2022-01-18 01:04:31,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:31,473 INFO L93 Difference]: Finished difference Result 44812 states and 122341 transitions. [2022-01-18 01:04:31,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-01-18 01:04:31,473 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 [2022-01-18 01:04:31,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:31,548 INFO L225 Difference]: With dead ends: 44812 [2022-01-18 01:04:31,548 INFO L226 Difference]: Without dead ends: 44812 [2022-01-18 01:04:31,549 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 [2022-01-18 01:04:31,549 INFO L933 BasicCegarLoop]: 1162 mSDtfsCounter, 1991 mSDsluCounter, 25105 mSDsCounter, 0 mSdLazyCounter, 5151 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 01:04:31,549 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1991 Valid, 25960 Invalid, 5170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5151 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 01:04:31,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44812 states. [2022-01-18 01:04:31,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44812 to 22855. [2022-01-18 01:04:31,979 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) [2022-01-18 01:04:32,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22855 states to 22855 states and 62981 transitions. [2022-01-18 01:04:32,020 INFO L78 Accepts]: Start accepts. Automaton has 22855 states and 62981 transitions. Word has length 199 [2022-01-18 01:04:32,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:32,020 INFO L470 AbstractCegarLoop]: Abstraction has 22855 states and 62981 transitions. [2022-01-18 01:04:32,020 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) [2022-01-18 01:04:32,020 INFO L276 IsEmpty]: Start isEmpty. Operand 22855 states and 62981 transitions. [2022-01-18 01:04:32,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:04:32,047 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:32,047 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] [2022-01-18 01:04:32,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable177 [2022-01-18 01:04:32,047 INFO L402 AbstractCegarLoop]: === Iteration 179 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:32,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:32,047 INFO L85 PathProgramCache]: Analyzing trace with hash -457967165, now seen corresponding path program 155 times [2022-01-18 01:04:32,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:32,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499248220] [2022-01-18 01:04:32,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:32,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:32,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:32,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:04:32,338 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:32,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499248220] [2022-01-18 01:04:32,339 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499248220] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:32,339 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:32,339 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:04:32,339 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710795081] [2022-01-18 01:04:32,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:32,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:04:32,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:32,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:04:32,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:04:32,339 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) [2022-01-18 01:04:35,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:35,276 INFO L93 Difference]: Finished difference Result 46055 states and 125513 transitions. [2022-01-18 01:04:35,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-01-18 01:04:35,277 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 [2022-01-18 01:04:35,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:35,355 INFO L225 Difference]: With dead ends: 46055 [2022-01-18 01:04:35,355 INFO L226 Difference]: Without dead ends: 46055 [2022-01-18 01:04:35,356 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1249 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=690, Invalid=5630, Unknown=0, NotChecked=0, Total=6320 [2022-01-18 01:04:35,357 INFO L933 BasicCegarLoop]: 1199 mSDtfsCounter, 1961 mSDsluCounter, 25842 mSDsCounter, 0 mSdLazyCounter, 5157 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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 [2022-01-18 01:04:35,357 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] [2022-01-18 01:04:35,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46055 states. [2022-01-18 01:04:35,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46055 to 22647. [2022-01-18 01:04:35,787 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) [2022-01-18 01:04:35,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22647 states to 22647 states and 62357 transitions. [2022-01-18 01:04:35,829 INFO L78 Accepts]: Start accepts. Automaton has 22647 states and 62357 transitions. Word has length 199 [2022-01-18 01:04:35,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:35,829 INFO L470 AbstractCegarLoop]: Abstraction has 22647 states and 62357 transitions. [2022-01-18 01:04:35,829 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) [2022-01-18 01:04:35,829 INFO L276 IsEmpty]: Start isEmpty. Operand 22647 states and 62357 transitions. [2022-01-18 01:04:35,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:04:35,855 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:35,855 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] [2022-01-18 01:04:35,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178 [2022-01-18 01:04:35,855 INFO L402 AbstractCegarLoop]: === Iteration 180 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:35,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:35,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1472046337, now seen corresponding path program 156 times [2022-01-18 01:04:35,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:35,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642014930] [2022-01-18 01:04:35,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:35,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:35,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:36,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:04:36,209 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:36,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642014930] [2022-01-18 01:04:36,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642014930] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:36,210 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:36,210 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:04:36,210 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555514648] [2022-01-18 01:04:36,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:36,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:04:36,210 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:36,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:04:36,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:04:36,211 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) [2022-01-18 01:04:39,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:39,115 INFO L93 Difference]: Finished difference Result 46713 states and 127235 transitions. [2022-01-18 01:04:39,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-01-18 01:04:39,116 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 [2022-01-18 01:04:39,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:39,194 INFO L225 Difference]: With dead ends: 46713 [2022-01-18 01:04:39,194 INFO L226 Difference]: Without dead ends: 46713 [2022-01-18 01:04:39,195 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1203 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=668, Invalid=5494, Unknown=0, NotChecked=0, Total=6162 [2022-01-18 01:04:39,195 INFO L933 BasicCegarLoop]: 1203 mSDtfsCounter, 1951 mSDsluCounter, 26008 mSDsCounter, 0 mSdLazyCounter, 5159 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 01:04:39,195 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1951 Valid, 26884 Invalid, 5178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5159 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 01:04:39,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46713 states. [2022-01-18 01:04:39,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46713 to 22631. [2022-01-18 01:04:39,648 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) [2022-01-18 01:04:39,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22631 states to 22631 states and 62309 transitions. [2022-01-18 01:04:39,690 INFO L78 Accepts]: Start accepts. Automaton has 22631 states and 62309 transitions. Word has length 199 [2022-01-18 01:04:39,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:39,690 INFO L470 AbstractCegarLoop]: Abstraction has 22631 states and 62309 transitions. [2022-01-18 01:04:39,690 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) [2022-01-18 01:04:39,690 INFO L276 IsEmpty]: Start isEmpty. Operand 22631 states and 62309 transitions. [2022-01-18 01:04:39,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:04:39,717 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:39,718 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] [2022-01-18 01:04:39,718 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable179 [2022-01-18 01:04:39,718 INFO L402 AbstractCegarLoop]: === Iteration 181 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:39,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:39,718 INFO L85 PathProgramCache]: Analyzing trace with hash -176879657, now seen corresponding path program 157 times [2022-01-18 01:04:39,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:39,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756268754] [2022-01-18 01:04:39,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:39,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:39,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:40,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:04:40,011 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:40,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756268754] [2022-01-18 01:04:40,011 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756268754] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:40,011 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:40,011 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:04:40,011 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473185567] [2022-01-18 01:04:40,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:40,012 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:04:40,012 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:40,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:04:40,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:04:40,012 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) [2022-01-18 01:04:42,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:42,693 INFO L93 Difference]: Finished difference Result 41678 states and 113533 transitions. [2022-01-18 01:04:42,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-18 01:04:42,693 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 [2022-01-18 01:04:42,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:42,765 INFO L225 Difference]: With dead ends: 41678 [2022-01-18 01:04:42,766 INFO L226 Difference]: Without dead ends: 41678 [2022-01-18 01:04:42,766 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 [2022-01-18 01:04:42,767 INFO L933 BasicCegarLoop]: 1154 mSDtfsCounter, 1854 mSDsluCounter, 25005 mSDsCounter, 0 mSdLazyCounter, 4725 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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 [2022-01-18 01:04:42,767 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] [2022-01-18 01:04:42,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41678 states. [2022-01-18 01:04:43,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41678 to 22547. [2022-01-18 01:04:43,168 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) [2022-01-18 01:04:43,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22547 states to 22547 states and 62066 transitions. [2022-01-18 01:04:43,206 INFO L78 Accepts]: Start accepts. Automaton has 22547 states and 62066 transitions. Word has length 199 [2022-01-18 01:04:43,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:43,206 INFO L470 AbstractCegarLoop]: Abstraction has 22547 states and 62066 transitions. [2022-01-18 01:04:43,206 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) [2022-01-18 01:04:43,207 INFO L276 IsEmpty]: Start isEmpty. Operand 22547 states and 62066 transitions. [2022-01-18 01:04:43,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:04:43,232 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:43,232 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] [2022-01-18 01:04:43,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180 [2022-01-18 01:04:43,232 INFO L402 AbstractCegarLoop]: === Iteration 182 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:43,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:43,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1840550795, now seen corresponding path program 158 times [2022-01-18 01:04:43,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:43,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851179318] [2022-01-18 01:04:43,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:43,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:43,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:43,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:04:43,528 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:43,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851179318] [2022-01-18 01:04:43,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851179318] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:43,528 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:43,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:04:43,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474121837] [2022-01-18 01:04:43,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:43,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:04:43,529 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:43,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:04:43,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:04:43,529 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) [2022-01-18 01:04:46,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:46,862 INFO L93 Difference]: Finished difference Result 47322 states and 128391 transitions. [2022-01-18 01:04:46,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-01-18 01:04:46,862 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 [2022-01-18 01:04:46,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:46,941 INFO L225 Difference]: With dead ends: 47322 [2022-01-18 01:04:46,941 INFO L226 Difference]: Without dead ends: 47322 [2022-01-18 01:04:46,942 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1731 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=943, Invalid=7067, Unknown=0, NotChecked=0, Total=8010 [2022-01-18 01:04:46,943 INFO L933 BasicCegarLoop]: 1161 mSDtfsCounter, 2524 mSDsluCounter, 25601 mSDsCounter, 0 mSdLazyCounter, 5398 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s 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, 1.8s IncrementalHoareTripleChecker+Time [2022-01-18 01:04:46,943 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2524 Valid, 26277 Invalid, 5421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5398 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-18 01:04:47,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47322 states. [2022-01-18 01:04:47,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47322 to 22995. [2022-01-18 01:04:47,380 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) [2022-01-18 01:04:47,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22995 states to 22995 states and 63426 transitions. [2022-01-18 01:04:47,422 INFO L78 Accepts]: Start accepts. Automaton has 22995 states and 63426 transitions. Word has length 199 [2022-01-18 01:04:47,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:47,423 INFO L470 AbstractCegarLoop]: Abstraction has 22995 states and 63426 transitions. [2022-01-18 01:04:47,423 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) [2022-01-18 01:04:47,423 INFO L276 IsEmpty]: Start isEmpty. Operand 22995 states and 63426 transitions. [2022-01-18 01:04:47,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:04:47,449 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:47,450 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] [2022-01-18 01:04:47,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable181 [2022-01-18 01:04:47,450 INFO L402 AbstractCegarLoop]: === Iteration 183 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:47,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:47,450 INFO L85 PathProgramCache]: Analyzing trace with hash 432618459, now seen corresponding path program 159 times [2022-01-18 01:04:47,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:47,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865018156] [2022-01-18 01:04:47,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:47,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:47,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:04:47,746 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:47,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865018156] [2022-01-18 01:04:47,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865018156] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:47,746 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:47,746 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:04:47,746 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072371993] [2022-01-18 01:04:47,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:47,747 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:04:47,747 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:47,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:04:47,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:04:47,747 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) [2022-01-18 01:04:50,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:50,853 INFO L93 Difference]: Finished difference Result 44127 states and 120211 transitions. [2022-01-18 01:04:50,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-01-18 01:04:50,853 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 [2022-01-18 01:04:50,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:50,927 INFO L225 Difference]: With dead ends: 44127 [2022-01-18 01:04:50,927 INFO L226 Difference]: Without dead ends: 44127 [2022-01-18 01:04:50,928 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1668 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=848, Invalid=6808, Unknown=0, NotChecked=0, Total=7656 [2022-01-18 01:04:50,929 INFO L933 BasicCegarLoop]: 1127 mSDtfsCounter, 2322 mSDsluCounter, 24856 mSDsCounter, 0 mSdLazyCounter, 5077 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 01:04:50,929 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2322 Valid, 25633 Invalid, 5100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5077 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 01:04:51,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44127 states. [2022-01-18 01:04:51,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44127 to 22931. [2022-01-18 01:04:51,439 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) [2022-01-18 01:04:51,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22931 states to 22931 states and 63218 transitions. [2022-01-18 01:04:51,481 INFO L78 Accepts]: Start accepts. Automaton has 22931 states and 63218 transitions. Word has length 199 [2022-01-18 01:04:51,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:51,481 INFO L470 AbstractCegarLoop]: Abstraction has 22931 states and 63218 transitions. [2022-01-18 01:04:51,481 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) [2022-01-18 01:04:51,481 INFO L276 IsEmpty]: Start isEmpty. Operand 22931 states and 63218 transitions. [2022-01-18 01:04:51,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:04:51,507 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:51,508 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] [2022-01-18 01:04:51,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable182 [2022-01-18 01:04:51,508 INFO L402 AbstractCegarLoop]: === Iteration 184 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:51,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:51,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1939211467, now seen corresponding path program 160 times [2022-01-18 01:04:51,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:51,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182565030] [2022-01-18 01:04:51,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:51,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:51,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:51,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:04:51,810 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:51,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182565030] [2022-01-18 01:04:51,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182565030] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:51,810 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:51,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:04:51,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790039458] [2022-01-18 01:04:51,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:51,810 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:04:51,810 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:51,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:04:51,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:04:51,811 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) [2022-01-18 01:04:54,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:54,781 INFO L93 Difference]: Finished difference Result 42269 states and 115426 transitions. [2022-01-18 01:04:54,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-01-18 01:04:54,782 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 [2022-01-18 01:04:54,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:54,858 INFO L225 Difference]: With dead ends: 42269 [2022-01-18 01:04:54,859 INFO L226 Difference]: Without dead ends: 42269 [2022-01-18 01:04:54,860 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1344 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=747, Invalid=5895, Unknown=0, NotChecked=0, Total=6642 [2022-01-18 01:04:54,860 INFO L933 BasicCegarLoop]: 1122 mSDtfsCounter, 2052 mSDsluCounter, 24278 mSDsCounter, 0 mSdLazyCounter, 5038 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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 [2022-01-18 01:04:54,860 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] [2022-01-18 01:04:54,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42269 states. [2022-01-18 01:04:55,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42269 to 22883. [2022-01-18 01:04:55,361 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) [2022-01-18 01:04:55,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22883 states to 22883 states and 63074 transitions. [2022-01-18 01:04:55,401 INFO L78 Accepts]: Start accepts. Automaton has 22883 states and 63074 transitions. Word has length 199 [2022-01-18 01:04:55,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:55,401 INFO L470 AbstractCegarLoop]: Abstraction has 22883 states and 63074 transitions. [2022-01-18 01:04:55,402 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) [2022-01-18 01:04:55,402 INFO L276 IsEmpty]: Start isEmpty. Operand 22883 states and 63074 transitions. [2022-01-18 01:04:55,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:04:55,428 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:55,428 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] [2022-01-18 01:04:55,428 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable183 [2022-01-18 01:04:55,428 INFO L402 AbstractCegarLoop]: === Iteration 185 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:55,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:55,429 INFO L85 PathProgramCache]: Analyzing trace with hash -337924567, now seen corresponding path program 161 times [2022-01-18 01:04:55,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:55,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152397514] [2022-01-18 01:04:55,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:55,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:55,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:55,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:04:55,717 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:55,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152397514] [2022-01-18 01:04:55,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152397514] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:55,717 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:55,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:04:55,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061831129] [2022-01-18 01:04:55,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:55,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:04:55,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:55,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:04:55,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:04:55,718 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) [2022-01-18 01:04:58,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:58,624 INFO L93 Difference]: Finished difference Result 43627 states and 118818 transitions. [2022-01-18 01:04:58,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-01-18 01:04:58,624 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 [2022-01-18 01:04:58,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:58,701 INFO L225 Difference]: With dead ends: 43627 [2022-01-18 01:04:58,701 INFO L226 Difference]: Without dead ends: 43627 [2022-01-18 01:04:58,702 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 [2022-01-18 01:04:58,702 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 [2022-01-18 01:04:58,702 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] [2022-01-18 01:04:58,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43627 states. [2022-01-18 01:04:59,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43627 to 22867. [2022-01-18 01:04:59,111 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) [2022-01-18 01:04:59,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22867 states to 22867 states and 63026 transitions. [2022-01-18 01:04:59,152 INFO L78 Accepts]: Start accepts. Automaton has 22867 states and 63026 transitions. Word has length 199 [2022-01-18 01:04:59,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:59,153 INFO L470 AbstractCegarLoop]: Abstraction has 22867 states and 63026 transitions. [2022-01-18 01:04:59,153 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) [2022-01-18 01:04:59,153 INFO L276 IsEmpty]: Start isEmpty. Operand 22867 states and 63026 transitions. [2022-01-18 01:04:59,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:04:59,179 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:59,179 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] [2022-01-18 01:04:59,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184 [2022-01-18 01:04:59,179 INFO L402 AbstractCegarLoop]: === Iteration 186 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:59,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:59,179 INFO L85 PathProgramCache]: Analyzing trace with hash -939155885, now seen corresponding path program 162 times [2022-01-18 01:04:59,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:59,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058354896] [2022-01-18 01:04:59,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:59,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:59,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:04:59,469 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:59,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058354896] [2022-01-18 01:04:59,469 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058354896] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:59,469 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:59,469 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:04:59,469 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789553165] [2022-01-18 01:04:59,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:59,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:04:59,469 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:59,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:04:59,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:04:59,469 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) [2022-01-18 01:05:02,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:02,376 INFO L93 Difference]: Finished difference Result 44870 states and 121990 transitions. [2022-01-18 01:05:02,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-01-18 01:05:02,376 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 [2022-01-18 01:05:02,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:02,453 INFO L225 Difference]: With dead ends: 44870 [2022-01-18 01:05:02,454 INFO L226 Difference]: Without dead ends: 44870 [2022-01-18 01:05:02,455 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 [2022-01-18 01:05:02,455 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 [2022-01-18 01:05:02,455 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] [2022-01-18 01:05:02,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44870 states. [2022-01-18 01:05:02,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44870 to 22659. [2022-01-18 01:05:02,867 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) [2022-01-18 01:05:02,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22659 states to 22659 states and 62402 transitions. [2022-01-18 01:05:02,909 INFO L78 Accepts]: Start accepts. Automaton has 22659 states and 62402 transitions. Word has length 199 [2022-01-18 01:05:02,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:02,909 INFO L470 AbstractCegarLoop]: Abstraction has 22659 states and 62402 transitions. [2022-01-18 01:05:02,909 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) [2022-01-18 01:05:02,910 INFO L276 IsEmpty]: Start isEmpty. Operand 22659 states and 62402 transitions. [2022-01-18 01:05:02,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:05:02,936 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:02,936 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] [2022-01-18 01:05:02,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185 [2022-01-18 01:05:02,936 INFO L402 AbstractCegarLoop]: === Iteration 187 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:02,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:02,937 INFO L85 PathProgramCache]: Analyzing trace with hash 990857617, now seen corresponding path program 163 times [2022-01-18 01:05:02,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:02,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275422672] [2022-01-18 01:05:02,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:02,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:03,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:05:03,238 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:03,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275422672] [2022-01-18 01:05:03,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275422672] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:03,238 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:03,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:05:03,238 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957921442] [2022-01-18 01:05:03,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:03,238 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:05:03,238 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:03,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:05:03,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:05:03,239 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) [2022-01-18 01:05:06,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:06,145 INFO L93 Difference]: Finished difference Result 45528 states and 123712 transitions. [2022-01-18 01:05:06,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-01-18 01:05:06,146 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 [2022-01-18 01:05:06,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:06,224 INFO L225 Difference]: With dead ends: 45528 [2022-01-18 01:05:06,224 INFO L226 Difference]: Without dead ends: 45528 [2022-01-18 01:05:06,225 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 [2022-01-18 01:05:06,225 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 [2022-01-18 01:05:06,226 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] [2022-01-18 01:05:06,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45528 states. [2022-01-18 01:05:06,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45528 to 22643. [2022-01-18 01:05:06,652 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) [2022-01-18 01:05:06,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22643 states to 22643 states and 62354 transitions. [2022-01-18 01:05:06,692 INFO L78 Accepts]: Start accepts. Automaton has 22643 states and 62354 transitions. Word has length 199 [2022-01-18 01:05:06,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:06,692 INFO L470 AbstractCegarLoop]: Abstraction has 22643 states and 62354 transitions. [2022-01-18 01:05:06,693 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) [2022-01-18 01:05:06,693 INFO L276 IsEmpty]: Start isEmpty. Operand 22643 states and 62354 transitions. [2022-01-18 01:05:06,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:05:06,719 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:06,719 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] [2022-01-18 01:05:06,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186 [2022-01-18 01:05:06,719 INFO L402 AbstractCegarLoop]: === Iteration 188 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:06,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:06,719 INFO L85 PathProgramCache]: Analyzing trace with hash -658068377, now seen corresponding path program 164 times [2022-01-18 01:05:06,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:06,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134376146] [2022-01-18 01:05:06,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:06,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:06,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:07,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:05:07,009 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:07,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134376146] [2022-01-18 01:05:07,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134376146] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:07,009 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:07,009 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:05:07,009 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996041174] [2022-01-18 01:05:07,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:07,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:05:07,010 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:07,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:05:07,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:05:07,010 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) [2022-01-18 01:05:09,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:09,829 INFO L93 Difference]: Finished difference Result 45716 states and 124204 transitions. [2022-01-18 01:05:09,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-01-18 01:05:09,829 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 [2022-01-18 01:05:09,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:09,906 INFO L225 Difference]: With dead ends: 45716 [2022-01-18 01:05:09,907 INFO L226 Difference]: Without dead ends: 45716 [2022-01-18 01:05:09,908 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 [2022-01-18 01:05:09,908 INFO L933 BasicCegarLoop]: 1178 mSDtfsCounter, 2014 mSDsluCounter, 25494 mSDsCounter, 0 mSdLazyCounter, 4795 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 01:05:09,908 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2014 Valid, 26324 Invalid, 4814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4795 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 01:05:09,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45716 states. [2022-01-18 01:05:10,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45716 to 22595. [2022-01-18 01:05:10,330 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) [2022-01-18 01:05:10,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22595 states to 22595 states and 62210 transitions. [2022-01-18 01:05:10,369 INFO L78 Accepts]: Start accepts. Automaton has 22595 states and 62210 transitions. Word has length 199 [2022-01-18 01:05:10,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:10,370 INFO L470 AbstractCegarLoop]: Abstraction has 22595 states and 62210 transitions. [2022-01-18 01:05:10,370 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) [2022-01-18 01:05:10,370 INFO L276 IsEmpty]: Start isEmpty. Operand 22595 states and 62210 transitions. [2022-01-18 01:05:10,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:05:10,395 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:10,395 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] [2022-01-18 01:05:10,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187 [2022-01-18 01:05:10,395 INFO L402 AbstractCegarLoop]: === Iteration 189 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:10,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:10,396 INFO L85 PathProgramCache]: Analyzing trace with hash -717258735, now seen corresponding path program 165 times [2022-01-18 01:05:10,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:10,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552517558] [2022-01-18 01:05:10,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:10,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:10,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:10,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:05:10,680 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:10,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552517558] [2022-01-18 01:05:10,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552517558] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:10,680 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:10,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:05:10,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992218143] [2022-01-18 01:05:10,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:10,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:05:10,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:10,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:05:10,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:05:10,681 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) [2022-01-18 01:05:13,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:13,374 INFO L93 Difference]: Finished difference Result 40397 states and 109722 transitions. [2022-01-18 01:05:13,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-18 01:05:13,375 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 [2022-01-18 01:05:13,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:13,435 INFO L225 Difference]: With dead ends: 40397 [2022-01-18 01:05:13,435 INFO L226 Difference]: Without dead ends: 40397 [2022-01-18 01:05:13,436 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1151 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=673, Invalid=5333, Unknown=0, NotChecked=0, Total=6006 [2022-01-18 01:05:13,436 INFO L933 BasicCegarLoop]: 1145 mSDtfsCounter, 1941 mSDsluCounter, 24837 mSDsCounter, 0 mSdLazyCounter, 4465 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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 [2022-01-18 01:05:13,436 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] [2022-01-18 01:05:13,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40397 states. [2022-01-18 01:05:13,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40397 to 22511. [2022-01-18 01:05:13,804 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) [2022-01-18 01:05:13,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22511 states to 22511 states and 61967 transitions. [2022-01-18 01:05:13,844 INFO L78 Accepts]: Start accepts. Automaton has 22511 states and 61967 transitions. Word has length 199 [2022-01-18 01:05:13,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:13,844 INFO L470 AbstractCegarLoop]: Abstraction has 22511 states and 61967 transitions. [2022-01-18 01:05:13,844 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) [2022-01-18 01:05:13,844 INFO L276 IsEmpty]: Start isEmpty. Operand 22511 states and 61967 transitions. [2022-01-18 01:05:13,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:05:13,873 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:13,873 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] [2022-01-18 01:05:13,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable188 [2022-01-18 01:05:13,873 INFO L402 AbstractCegarLoop]: === Iteration 190 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:13,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:13,874 INFO L85 PathProgramCache]: Analyzing trace with hash -97982595, now seen corresponding path program 166 times [2022-01-18 01:05:13,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:13,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987284022] [2022-01-18 01:05:13,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:13,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:13,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:14,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:05:14,161 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:14,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987284022] [2022-01-18 01:05:14,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987284022] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:14,161 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:14,161 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:05:14,161 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893477997] [2022-01-18 01:05:14,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:14,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:05:14,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:14,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:05:14,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:05:14,162 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) [2022-01-18 01:05:17,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:17,440 INFO L93 Difference]: Finished difference Result 46356 states and 126421 transitions. [2022-01-18 01:05:17,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-01-18 01:05:17,440 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 [2022-01-18 01:05:17,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:17,517 INFO L225 Difference]: With dead ends: 46356 [2022-01-18 01:05:17,517 INFO L226 Difference]: Without dead ends: 46356 [2022-01-18 01:05:17,518 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1316 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=878, Invalid=5928, Unknown=0, NotChecked=0, Total=6806 [2022-01-18 01:05:17,518 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 [2022-01-18 01:05:17,518 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] [2022-01-18 01:05:17,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46356 states. [2022-01-18 01:05:17,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46356 to 24095. [2022-01-18 01:05:17,990 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) [2022-01-18 01:05:18,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24095 states to 24095 states and 66423 transitions. [2022-01-18 01:05:18,034 INFO L78 Accepts]: Start accepts. Automaton has 24095 states and 66423 transitions. Word has length 199 [2022-01-18 01:05:18,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:18,034 INFO L470 AbstractCegarLoop]: Abstraction has 24095 states and 66423 transitions. [2022-01-18 01:05:18,034 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) [2022-01-18 01:05:18,034 INFO L276 IsEmpty]: Start isEmpty. Operand 24095 states and 66423 transitions. [2022-01-18 01:05:18,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:05:18,063 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:18,063 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] [2022-01-18 01:05:18,063 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable189 [2022-01-18 01:05:18,063 INFO L402 AbstractCegarLoop]: === Iteration 191 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:18,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:18,063 INFO L85 PathProgramCache]: Analyzing trace with hash -2119780637, now seen corresponding path program 167 times [2022-01-18 01:05:18,063 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:18,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670534575] [2022-01-18 01:05:18,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:18,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:18,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:18,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:05:18,360 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:18,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670534575] [2022-01-18 01:05:18,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670534575] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:18,360 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:18,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:05:18,360 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895242550] [2022-01-18 01:05:18,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:18,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:05:18,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:18,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:05:18,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:05:18,361 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) [2022-01-18 01:05:21,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:21,549 INFO L93 Difference]: Finished difference Result 44905 states and 122831 transitions. [2022-01-18 01:05:21,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-01-18 01:05:21,549 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 [2022-01-18 01:05:21,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:21,625 INFO L225 Difference]: With dead ends: 44905 [2022-01-18 01:05:21,626 INFO L226 Difference]: Without dead ends: 44905 [2022-01-18 01:05:21,627 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1350 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=846, Invalid=5960, Unknown=0, NotChecked=0, Total=6806 [2022-01-18 01:05:21,627 INFO L933 BasicCegarLoop]: 1126 mSDtfsCounter, 2510 mSDsluCounter, 23954 mSDsCounter, 0 mSdLazyCounter, 5338 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s 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 [2022-01-18 01:05:21,627 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] [2022-01-18 01:05:21,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44905 states. [2022-01-18 01:05:22,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44905 to 24031. [2022-01-18 01:05:22,083 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) [2022-01-18 01:05:22,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24031 states to 24031 states and 66215 transitions. [2022-01-18 01:05:22,129 INFO L78 Accepts]: Start accepts. Automaton has 24031 states and 66215 transitions. Word has length 199 [2022-01-18 01:05:22,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:22,130 INFO L470 AbstractCegarLoop]: Abstraction has 24031 states and 66215 transitions. [2022-01-18 01:05:22,130 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) [2022-01-18 01:05:22,130 INFO L276 IsEmpty]: Start isEmpty. Operand 24031 states and 66215 transitions. [2022-01-18 01:05:22,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:05:22,158 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:22,158 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] [2022-01-18 01:05:22,158 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable190 [2022-01-18 01:05:22,158 INFO L402 AbstractCegarLoop]: === Iteration 192 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:22,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:22,158 INFO L85 PathProgramCache]: Analyzing trace with hash -196643267, now seen corresponding path program 168 times [2022-01-18 01:05:22,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:22,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749885461] [2022-01-18 01:05:22,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:22,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:22,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:22,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:05:22,454 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:22,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749885461] [2022-01-18 01:05:22,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749885461] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:22,454 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:22,454 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:05:22,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780934273] [2022-01-18 01:05:22,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:22,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:05:22,454 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:22,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:05:22,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:05:22,455 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) [2022-01-18 01:05:25,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:25,444 INFO L93 Difference]: Finished difference Result 43047 states and 118046 transitions. [2022-01-18 01:05:25,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 01:05:25,445 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 [2022-01-18 01:05:25,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:25,518 INFO L225 Difference]: With dead ends: 43047 [2022-01-18 01:05:25,518 INFO L226 Difference]: Without dead ends: 43047 [2022-01-18 01:05:25,519 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 [2022-01-18 01:05:25,519 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 [2022-01-18 01:05:25,519 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] [2022-01-18 01:05:25,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43047 states. [2022-01-18 01:05:25,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43047 to 23983. [2022-01-18 01:05:25,948 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) [2022-01-18 01:05:25,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23983 states to 23983 states and 66071 transitions. [2022-01-18 01:05:25,990 INFO L78 Accepts]: Start accepts. Automaton has 23983 states and 66071 transitions. Word has length 199 [2022-01-18 01:05:25,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:25,990 INFO L470 AbstractCegarLoop]: Abstraction has 23983 states and 66071 transitions. [2022-01-18 01:05:25,990 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) [2022-01-18 01:05:25,990 INFO L276 IsEmpty]: Start isEmpty. Operand 23983 states and 66071 transitions. [2022-01-18 01:05:26,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:05:26,017 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:26,018 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] [2022-01-18 01:05:26,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable191 [2022-01-18 01:05:26,018 INFO L402 AbstractCegarLoop]: === Iteration 193 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:26,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:26,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1404643633, now seen corresponding path program 169 times [2022-01-18 01:05:26,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:26,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25565868] [2022-01-18 01:05:26,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:26,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:26,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:26,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:05:26,322 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:26,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25565868] [2022-01-18 01:05:26,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25565868] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:26,322 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:26,323 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:05:26,323 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153435805] [2022-01-18 01:05:26,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:26,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:05:26,323 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:26,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:05:26,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:05:26,323 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) [2022-01-18 01:05:29,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:29,316 INFO L93 Difference]: Finished difference Result 44405 states and 121438 transitions. [2022-01-18 01:05:29,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 01:05:29,316 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 [2022-01-18 01:05:29,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:29,391 INFO L225 Difference]: With dead ends: 44405 [2022-01-18 01:05:29,392 INFO L226 Difference]: Without dead ends: 44405 [2022-01-18 01:05:29,392 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 [2022-01-18 01:05:29,393 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, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 01:05:29,393 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2296 Valid, 24559 Invalid, 5237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5218 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 01:05:29,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44405 states. [2022-01-18 01:05:29,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44405 to 23967. [2022-01-18 01:05:29,845 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) [2022-01-18 01:05:29,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23967 states to 23967 states and 66023 transitions. [2022-01-18 01:05:29,888 INFO L78 Accepts]: Start accepts. Automaton has 23967 states and 66023 transitions. Word has length 199 [2022-01-18 01:05:29,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:29,888 INFO L470 AbstractCegarLoop]: Abstraction has 23967 states and 66023 transitions. [2022-01-18 01:05:29,888 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) [2022-01-18 01:05:29,888 INFO L276 IsEmpty]: Start isEmpty. Operand 23967 states and 66023 transitions. [2022-01-18 01:05:29,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:05:29,915 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:29,915 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] [2022-01-18 01:05:29,916 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable192 [2022-01-18 01:05:29,916 INFO L402 AbstractCegarLoop]: === Iteration 194 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:29,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:29,916 INFO L85 PathProgramCache]: Analyzing trace with hash 803412315, now seen corresponding path program 170 times [2022-01-18 01:05:29,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:29,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708348] [2022-01-18 01:05:29,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:29,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:29,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:30,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:05:30,212 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:30,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708348] [2022-01-18 01:05:30,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708348] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:30,212 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:30,212 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:05:30,212 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646424413] [2022-01-18 01:05:30,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:30,212 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:05:30,212 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:30,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:05:30,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:05:30,213 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) [2022-01-18 01:05:33,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:33,174 INFO L93 Difference]: Finished difference Result 43398 states and 118580 transitions. [2022-01-18 01:05:33,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-18 01:05:33,174 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 [2022-01-18 01:05:33,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:33,248 INFO L225 Difference]: With dead ends: 43398 [2022-01-18 01:05:33,248 INFO L226 Difference]: Without dead ends: 43398 [2022-01-18 01:05:33,249 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 983 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=688, Invalid=4862, Unknown=0, NotChecked=0, Total=5550 [2022-01-18 01:05:33,249 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, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 01:05:33,249 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2116 Valid, 25383 Invalid, 5259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5240 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 01:05:33,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43398 states. [2022-01-18 01:05:33,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43398 to 23759. [2022-01-18 01:05:33,680 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) [2022-01-18 01:05:33,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23759 states to 23759 states and 65399 transitions. [2022-01-18 01:05:33,725 INFO L78 Accepts]: Start accepts. Automaton has 23759 states and 65399 transitions. Word has length 199 [2022-01-18 01:05:33,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:33,725 INFO L470 AbstractCegarLoop]: Abstraction has 23759 states and 65399 transitions. [2022-01-18 01:05:33,725 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) [2022-01-18 01:05:33,725 INFO L276 IsEmpty]: Start isEmpty. Operand 23759 states and 65399 transitions. [2022-01-18 01:05:33,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:05:33,752 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:33,752 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] [2022-01-18 01:05:33,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable193 [2022-01-18 01:05:33,753 INFO L402 AbstractCegarLoop]: === Iteration 195 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:33,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:33,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1497012223, now seen corresponding path program 171 times [2022-01-18 01:05:33,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:33,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990435893] [2022-01-18 01:05:33,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:33,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:33,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:34,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:05:34,052 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:34,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990435893] [2022-01-18 01:05:34,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990435893] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:34,052 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:34,052 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:05:34,052 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260083045] [2022-01-18 01:05:34,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:34,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:05:34,053 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:34,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:05:34,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:05:34,053 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) [2022-01-18 01:05:37,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:37,137 INFO L93 Difference]: Finished difference Result 46938 states and 128128 transitions. [2022-01-18 01:05:37,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-18 01:05:37,138 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 [2022-01-18 01:05:37,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:37,218 INFO L225 Difference]: With dead ends: 46938 [2022-01-18 01:05:37,219 INFO L226 Difference]: Without dead ends: 46938 [2022-01-18 01:05:37,219 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 [2022-01-18 01:05:37,220 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 [2022-01-18 01:05:37,220 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] [2022-01-18 01:05:37,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46938 states. [2022-01-18 01:05:37,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46938 to 23919. [2022-01-18 01:05:37,684 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) [2022-01-18 01:05:37,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23919 states to 23919 states and 65883 transitions. [2022-01-18 01:05:37,726 INFO L78 Accepts]: Start accepts. Automaton has 23919 states and 65883 transitions. Word has length 199 [2022-01-18 01:05:37,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:37,726 INFO L470 AbstractCegarLoop]: Abstraction has 23919 states and 65883 transitions. [2022-01-18 01:05:37,726 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) [2022-01-18 01:05:37,726 INFO L276 IsEmpty]: Start isEmpty. Operand 23919 states and 65883 transitions. [2022-01-18 01:05:37,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:05:37,753 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:37,753 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] [2022-01-18 01:05:37,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable194 [2022-01-18 01:05:37,753 INFO L402 AbstractCegarLoop]: === Iteration 196 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:37,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:37,754 INFO L85 PathProgramCache]: Analyzing trace with hash -524785819, now seen corresponding path program 172 times [2022-01-18 01:05:37,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:37,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232059521] [2022-01-18 01:05:37,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:37,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:37,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:38,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:05:38,051 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:38,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232059521] [2022-01-18 01:05:38,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232059521] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:38,052 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:38,052 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:05:38,052 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65926948] [2022-01-18 01:05:38,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:38,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:05:38,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:38,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:05:38,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:05:38,052 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) [2022-01-18 01:05:41,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:41,056 INFO L93 Difference]: Finished difference Result 45777 states and 125289 transitions. [2022-01-18 01:05:41,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 01:05:41,056 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 [2022-01-18 01:05:41,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:41,135 INFO L225 Difference]: With dead ends: 45777 [2022-01-18 01:05:41,136 INFO L226 Difference]: Without dead ends: 45777 [2022-01-18 01:05:41,136 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 [2022-01-18 01:05:41,136 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 [2022-01-18 01:05:41,136 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] [2022-01-18 01:05:41,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45777 states. [2022-01-18 01:05:41,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45777 to 23855. [2022-01-18 01:05:41,578 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) [2022-01-18 01:05:41,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23855 states to 23855 states and 65675 transitions. [2022-01-18 01:05:41,621 INFO L78 Accepts]: Start accepts. Automaton has 23855 states and 65675 transitions. Word has length 199 [2022-01-18 01:05:41,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:41,621 INFO L470 AbstractCegarLoop]: Abstraction has 23855 states and 65675 transitions. [2022-01-18 01:05:41,621 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) [2022-01-18 01:05:41,621 INFO L276 IsEmpty]: Start isEmpty. Operand 23855 states and 65675 transitions. [2022-01-18 01:05:41,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:05:41,648 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:41,649 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] [2022-01-18 01:05:41,649 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable195 [2022-01-18 01:05:41,649 INFO L402 AbstractCegarLoop]: === Iteration 197 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:41,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:41,649 INFO L85 PathProgramCache]: Analyzing trace with hash -901983043, now seen corresponding path program 173 times [2022-01-18 01:05:41,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:41,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272427977] [2022-01-18 01:05:41,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:41,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:41,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:41,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:05:41,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:41,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272427977] [2022-01-18 01:05:41,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272427977] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:41,940 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:41,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:05:41,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493647792] [2022-01-18 01:05:41,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:41,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:05:41,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:41,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:05:41,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:05:41,941 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) [2022-01-18 01:05:44,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:44,812 INFO L93 Difference]: Finished difference Result 43104 states and 117858 transitions. [2022-01-18 01:05:44,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-18 01:05:44,813 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 [2022-01-18 01:05:44,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:44,881 INFO L225 Difference]: With dead ends: 43104 [2022-01-18 01:05:44,882 INFO L226 Difference]: Without dead ends: 43104 [2022-01-18 01:05:44,882 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 [2022-01-18 01:05:44,883 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, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 01:05:44,883 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1926 Valid, 23684 Invalid, 5264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5245 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 01:05:44,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43104 states. [2022-01-18 01:05:45,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43104 to 23807. [2022-01-18 01:05:45,310 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) [2022-01-18 01:05:45,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23807 states to 23807 states and 65531 transitions. [2022-01-18 01:05:45,352 INFO L78 Accepts]: Start accepts. Automaton has 23807 states and 65531 transitions. Word has length 199 [2022-01-18 01:05:45,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:45,352 INFO L470 AbstractCegarLoop]: Abstraction has 23807 states and 65531 transitions. [2022-01-18 01:05:45,352 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) [2022-01-18 01:05:45,352 INFO L276 IsEmpty]: Start isEmpty. Operand 23807 states and 65531 transitions. [2022-01-18 01:05:45,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:05:45,379 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:45,379 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] [2022-01-18 01:05:45,379 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable196 [2022-01-18 01:05:45,379 INFO L402 AbstractCegarLoop]: === Iteration 198 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:45,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:45,380 INFO L85 PathProgramCache]: Analyzing trace with hash -539276355, now seen corresponding path program 174 times [2022-01-18 01:05:45,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:45,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552585295] [2022-01-18 01:05:45,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:45,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:45,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:45,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:05:45,676 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:45,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552585295] [2022-01-18 01:05:45,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552585295] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:45,676 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:45,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:05:45,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323161239] [2022-01-18 01:05:45,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:45,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:05:45,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:45,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:05:45,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:05:45,677 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) [2022-01-18 01:05:48,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:48,911 INFO L93 Difference]: Finished difference Result 47530 states and 129718 transitions. [2022-01-18 01:05:48,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-01-18 01:05:48,912 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 [2022-01-18 01:05:48,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:48,989 INFO L225 Difference]: With dead ends: 47530 [2022-01-18 01:05:48,989 INFO L226 Difference]: Without dead ends: 47530 [2022-01-18 01:05:48,990 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1150 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=761, Invalid=5401, Unknown=0, NotChecked=0, Total=6162 [2022-01-18 01:05:48,990 INFO L933 BasicCegarLoop]: 1120 mSDtfsCounter, 2279 mSDsluCounter, 24102 mSDsCounter, 0 mSdLazyCounter, 5669 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s 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, 1.8s IncrementalHoareTripleChecker+Time [2022-01-18 01:05:48,990 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2279 Valid, 24785 Invalid, 5692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5669 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-18 01:05:49,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47530 states. [2022-01-18 01:05:49,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47530 to 23919. [2022-01-18 01:05:49,458 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) [2022-01-18 01:05:49,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23919 states to 23919 states and 65883 transitions. [2022-01-18 01:05:49,500 INFO L78 Accepts]: Start accepts. Automaton has 23919 states and 65883 transitions. Word has length 199 [2022-01-18 01:05:49,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:49,501 INFO L470 AbstractCegarLoop]: Abstraction has 23919 states and 65883 transitions. [2022-01-18 01:05:49,501 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) [2022-01-18 01:05:49,501 INFO L276 IsEmpty]: Start isEmpty. Operand 23919 states and 65883 transitions. [2022-01-18 01:05:49,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:05:49,528 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:49,528 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] [2022-01-18 01:05:49,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197 [2022-01-18 01:05:49,528 INFO L402 AbstractCegarLoop]: === Iteration 199 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:49,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:49,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1733892899, now seen corresponding path program 175 times [2022-01-18 01:05:49,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:49,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653945670] [2022-01-18 01:05:49,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:49,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:49,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:49,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:05:49,815 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:49,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653945670] [2022-01-18 01:05:49,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653945670] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:49,816 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:49,816 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:05:49,816 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853714345] [2022-01-18 01:05:49,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:49,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:05:49,816 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:49,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:05:49,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:05:49,816 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) [2022-01-18 01:05:52,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:52,869 INFO L93 Difference]: Finished difference Result 46261 states and 126611 transitions. [2022-01-18 01:05:52,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-01-18 01:05:52,869 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 [2022-01-18 01:05:52,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:52,954 INFO L225 Difference]: With dead ends: 46261 [2022-01-18 01:05:52,954 INFO L226 Difference]: Without dead ends: 46261 [2022-01-18 01:05:52,955 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1171 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=741, Invalid=5421, Unknown=0, NotChecked=0, Total=6162 [2022-01-18 01:05:52,955 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 [2022-01-18 01:05:52,955 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] [2022-01-18 01:05:53,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46261 states. [2022-01-18 01:05:53,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46261 to 23855. [2022-01-18 01:05:53,445 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) [2022-01-18 01:05:53,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23855 states to 23855 states and 65675 transitions. [2022-01-18 01:05:53,488 INFO L78 Accepts]: Start accepts. Automaton has 23855 states and 65675 transitions. Word has length 199 [2022-01-18 01:05:53,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:53,488 INFO L470 AbstractCegarLoop]: Abstraction has 23855 states and 65675 transitions. [2022-01-18 01:05:53,488 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) [2022-01-18 01:05:53,488 INFO L276 IsEmpty]: Start isEmpty. Operand 23855 states and 65675 transitions. [2022-01-18 01:05:53,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:05:53,515 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:53,515 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] [2022-01-18 01:05:53,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable198 [2022-01-18 01:05:53,515 INFO L402 AbstractCegarLoop]: === Iteration 200 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:53,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:53,515 INFO L85 PathProgramCache]: Analyzing trace with hash 2083346783, now seen corresponding path program 176 times [2022-01-18 01:05:53,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:53,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451420517] [2022-01-18 01:05:53,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:53,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:53,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:53,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:05:53,859 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:53,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451420517] [2022-01-18 01:05:53,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451420517] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:53,859 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:53,859 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:05:53,859 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752813080] [2022-01-18 01:05:53,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:53,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:05:53,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:53,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:05:53,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:05:53,860 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) [2022-01-18 01:05:56,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:56,639 INFO L93 Difference]: Finished difference Result 42273 states and 115926 transitions. [2022-01-18 01:05:56,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-01-18 01:05:56,639 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 [2022-01-18 01:05:56,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:56,707 INFO L225 Difference]: With dead ends: 42273 [2022-01-18 01:05:56,707 INFO L226 Difference]: Without dead ends: 42273 [2022-01-18 01:05:56,708 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 [2022-01-18 01:05:56,708 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 [2022-01-18 01:05:56,708 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] [2022-01-18 01:05:56,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42273 states. [2022-01-18 01:05:57,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42273 to 23771. [2022-01-18 01:05:57,120 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) [2022-01-18 01:05:57,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23771 states to 23771 states and 65432 transitions. [2022-01-18 01:05:57,162 INFO L78 Accepts]: Start accepts. Automaton has 23771 states and 65432 transitions. Word has length 199 [2022-01-18 01:05:57,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:57,162 INFO L470 AbstractCegarLoop]: Abstraction has 23771 states and 65432 transitions. [2022-01-18 01:05:57,162 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) [2022-01-18 01:05:57,162 INFO L276 IsEmpty]: Start isEmpty. Operand 23771 states and 65432 transitions. [2022-01-18 01:05:57,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:05:57,189 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:57,189 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] [2022-01-18 01:05:57,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable199 [2022-01-18 01:05:57,189 INFO L402 AbstractCegarLoop]: === Iteration 201 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:57,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:57,189 INFO L85 PathProgramCache]: Analyzing trace with hash -2118218813, now seen corresponding path program 177 times [2022-01-18 01:05:57,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:57,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753453730] [2022-01-18 01:05:57,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:57,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:57,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:57,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:05:57,489 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:57,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753453730] [2022-01-18 01:05:57,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753453730] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:57,489 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:57,489 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:05:57,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189469889] [2022-01-18 01:05:57,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:57,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:05:57,489 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:57,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:05:57,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:05:57,490 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) [2022-01-18 01:06:00,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:06:00,903 INFO L93 Difference]: Finished difference Result 51536 states and 140476 transitions. [2022-01-18 01:06:00,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-01-18 01:06:00,904 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 [2022-01-18 01:06:00,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:06:01,001 INFO L225 Difference]: With dead ends: 51536 [2022-01-18 01:06:01,001 INFO L226 Difference]: Without dead ends: 51536 [2022-01-18 01:06:01,002 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 [2022-01-18 01:06:01,002 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 [2022-01-18 01:06:01,002 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] [2022-01-18 01:06:01,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51536 states. [2022-01-18 01:06:01,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51536 to 23899. [2022-01-18 01:06:01,503 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) [2022-01-18 01:06:01,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23899 states to 23899 states and 65832 transitions. [2022-01-18 01:06:01,545 INFO L78 Accepts]: Start accepts. Automaton has 23899 states and 65832 transitions. Word has length 199 [2022-01-18 01:06:01,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:06:01,545 INFO L470 AbstractCegarLoop]: Abstraction has 23899 states and 65832 transitions. [2022-01-18 01:06:01,545 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) [2022-01-18 01:06:01,545 INFO L276 IsEmpty]: Start isEmpty. Operand 23899 states and 65832 transitions. [2022-01-18 01:06:01,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:06:01,572 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:06:01,572 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] [2022-01-18 01:06:01,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable200 [2022-01-18 01:06:01,572 INFO L402 AbstractCegarLoop]: === Iteration 202 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:06:01,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:06:01,572 INFO L85 PathProgramCache]: Analyzing trace with hash 154950441, now seen corresponding path program 178 times [2022-01-18 01:06:01,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:06:01,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900005158] [2022-01-18 01:06:01,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:06:01,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:06:01,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:06:01,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:06:01,884 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:06:01,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900005158] [2022-01-18 01:06:01,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900005158] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:06:01,885 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:06:01,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:06:01,885 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794440487] [2022-01-18 01:06:01,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:06:01,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:06:01,885 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:06:01,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:06:01,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:06:01,885 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) [2022-01-18 01:06:05,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:06:05,181 INFO L93 Difference]: Finished difference Result 50096 states and 136931 transitions. [2022-01-18 01:06:05,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-01-18 01:06:05,181 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 [2022-01-18 01:06:05,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:06:05,274 INFO L225 Difference]: With dead ends: 50096 [2022-01-18 01:06:05,274 INFO L226 Difference]: Without dead ends: 50096 [2022-01-18 01:06:05,275 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1353 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=836, Invalid=5970, Unknown=0, NotChecked=0, Total=6806 [2022-01-18 01:06:05,275 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 [2022-01-18 01:06:05,275 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] [2022-01-18 01:06:05,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50096 states. [2022-01-18 01:06:05,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50096 to 23835. [2022-01-18 01:06:05,756 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) [2022-01-18 01:06:05,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23835 states to 23835 states and 65624 transitions. [2022-01-18 01:06:05,797 INFO L78 Accepts]: Start accepts. Automaton has 23835 states and 65624 transitions. Word has length 199 [2022-01-18 01:06:05,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:06:05,798 INFO L470 AbstractCegarLoop]: Abstraction has 23835 states and 65624 transitions. [2022-01-18 01:06:05,798 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) [2022-01-18 01:06:05,798 INFO L276 IsEmpty]: Start isEmpty. Operand 23835 states and 65624 transitions. [2022-01-18 01:06:05,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:06:05,825 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:06:05,825 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] [2022-01-18 01:06:05,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable201 [2022-01-18 01:06:05,825 INFO L402 AbstractCegarLoop]: === Iteration 203 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:06:05,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:06:05,825 INFO L85 PathProgramCache]: Analyzing trace with hash 504404325, now seen corresponding path program 179 times [2022-01-18 01:06:05,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:06:05,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109083086] [2022-01-18 01:06:05,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:06:05,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:06:05,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:06:06,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:06:06,131 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:06:06,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109083086] [2022-01-18 01:06:06,131 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109083086] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:06:06,131 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:06:06,131 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:06:06,131 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254973080] [2022-01-18 01:06:06,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:06:06,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:06:06,131 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:06:06,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:06:06,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:06:06,132 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) [2022-01-18 01:06:09,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:06:09,120 INFO L93 Difference]: Finished difference Result 45537 states and 124802 transitions. [2022-01-18 01:06:09,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-18 01:06:09,120 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 [2022-01-18 01:06:09,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:06:09,196 INFO L225 Difference]: With dead ends: 45537 [2022-01-18 01:06:09,196 INFO L226 Difference]: Without dead ends: 45537 [2022-01-18 01:06:09,197 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 [2022-01-18 01:06:09,197 INFO L933 BasicCegarLoop]: 1142 mSDtfsCounter, 2107 mSDsluCounter, 23929 mSDsCounter, 0 mSdLazyCounter, 5424 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s 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, 1.8s IncrementalHoareTripleChecker+Time [2022-01-18 01:06:09,197 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2107 Valid, 24757 Invalid, 5443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5424 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-18 01:06:09,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45537 states. [2022-01-18 01:06:09,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45537 to 23787. [2022-01-18 01:06:09,647 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) [2022-01-18 01:06:09,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23787 states to 23787 states and 65480 transitions. [2022-01-18 01:06:09,690 INFO L78 Accepts]: Start accepts. Automaton has 23787 states and 65480 transitions. Word has length 199 [2022-01-18 01:06:09,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:06:09,690 INFO L470 AbstractCegarLoop]: Abstraction has 23787 states and 65480 transitions. [2022-01-18 01:06:09,691 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) [2022-01-18 01:06:09,691 INFO L276 IsEmpty]: Start isEmpty. Operand 23787 states and 65480 transitions. [2022-01-18 01:06:09,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:06:09,718 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:06:09,718 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] [2022-01-18 01:06:09,718 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable202 [2022-01-18 01:06:09,718 INFO L402 AbstractCegarLoop]: === Iteration 204 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:06:09,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:06:09,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1506776305, now seen corresponding path program 180 times [2022-01-18 01:06:09,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:06:09,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94082591] [2022-01-18 01:06:09,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:06:09,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:06:09,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:06:10,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:06:10,018 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:06:10,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94082591] [2022-01-18 01:06:10,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94082591] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:06:10,018 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:06:10,018 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:06:10,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38705135] [2022-01-18 01:06:10,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:06:10,018 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:06:10,018 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:06:10,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:06:10,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:06:10,018 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) [2022-01-18 01:06:13,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:06:13,004 INFO L93 Difference]: Finished difference Result 46271 states and 126496 transitions. [2022-01-18 01:06:13,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-18 01:06:13,005 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 [2022-01-18 01:06:13,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:06:13,082 INFO L225 Difference]: With dead ends: 46271 [2022-01-18 01:06:13,082 INFO L226 Difference]: Without dead ends: 46271 [2022-01-18 01:06:13,083 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 986 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=683, Invalid=4867, Unknown=0, NotChecked=0, Total=5550 [2022-01-18 01:06:13,083 INFO L933 BasicCegarLoop]: 1171 mSDtfsCounter, 2057 mSDsluCounter, 24545 mSDsCounter, 0 mSdLazyCounter, 5360 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 01:06:13,083 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2057 Valid, 25380 Invalid, 5379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5360 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 01:06:13,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46271 states. [2022-01-18 01:06:13,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46271 to 23603. [2022-01-18 01:06:13,536 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) [2022-01-18 01:06:13,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23603 states to 23603 states and 64970 transitions. [2022-01-18 01:06:13,579 INFO L78 Accepts]: Start accepts. Automaton has 23603 states and 64970 transitions. Word has length 199 [2022-01-18 01:06:13,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:06:13,579 INFO L470 AbstractCegarLoop]: Abstraction has 23603 states and 64970 transitions. [2022-01-18 01:06:13,579 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) [2022-01-18 01:06:13,579 INFO L276 IsEmpty]: Start isEmpty. Operand 23603 states and 64970 transitions. [2022-01-18 01:06:13,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:06:13,607 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:06:13,607 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] [2022-01-18 01:06:13,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable203 [2022-01-18 01:06:13,607 INFO L402 AbstractCegarLoop]: === Iteration 205 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:06:13,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:06:13,607 INFO L85 PathProgramCache]: Analyzing trace with hash -250192785, now seen corresponding path program 181 times [2022-01-18 01:06:13,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:06:13,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419884506] [2022-01-18 01:06:13,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:06:13,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:06:13,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:06:13,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:06:13,904 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:06:13,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419884506] [2022-01-18 01:06:13,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419884506] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:06:13,904 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:06:13,904 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:06:13,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147849268] [2022-01-18 01:06:13,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:06:13,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:06:13,904 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:06:13,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:06:13,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:06:13,905 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) [2022-01-18 01:06:17,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:06:17,227 INFO L93 Difference]: Finished difference Result 51221 states and 139759 transitions. [2022-01-18 01:06:17,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-01-18 01:06:17,227 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 [2022-01-18 01:06:17,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:06:17,322 INFO L225 Difference]: With dead ends: 51221 [2022-01-18 01:06:17,322 INFO L226 Difference]: Without dead ends: 51221 [2022-01-18 01:06:17,323 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 [2022-01-18 01:06:17,323 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 [2022-01-18 01:06:17,324 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] [2022-01-18 01:06:17,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51221 states. [2022-01-18 01:06:17,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51221 to 23767. [2022-01-18 01:06:17,830 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) [2022-01-18 01:06:17,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23767 states to 23767 states and 65465 transitions. [2022-01-18 01:06:17,873 INFO L78 Accepts]: Start accepts. Automaton has 23767 states and 65465 transitions. Word has length 199 [2022-01-18 01:06:17,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:06:17,873 INFO L470 AbstractCegarLoop]: Abstraction has 23767 states and 65465 transitions. [2022-01-18 01:06:17,873 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) [2022-01-18 01:06:17,873 INFO L276 IsEmpty]: Start isEmpty. Operand 23767 states and 65465 transitions. [2022-01-18 01:06:17,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:06:17,901 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:06:17,901 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] [2022-01-18 01:06:17,901 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable204 [2022-01-18 01:06:17,901 INFO L402 AbstractCegarLoop]: === Iteration 206 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:06:17,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:06:17,901 INFO L85 PathProgramCache]: Analyzing trace with hash 2022976469, now seen corresponding path program 182 times [2022-01-18 01:06:17,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:06:17,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092216253] [2022-01-18 01:06:17,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:06:17,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:06:17,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:06:18,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:06:18,208 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:06:18,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092216253] [2022-01-18 01:06:18,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092216253] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:06:18,208 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:06:18,208 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:06:18,208 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042504997] [2022-01-18 01:06:18,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:06:18,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:06:18,208 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:06:18,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:06:18,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:06:18,209 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) [2022-01-18 01:06:21,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:06:21,500 INFO L93 Difference]: Finished difference Result 50018 states and 136827 transitions. [2022-01-18 01:06:21,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-01-18 01:06:21,502 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 [2022-01-18 01:06:21,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:06:21,593 INFO L225 Difference]: With dead ends: 50018 [2022-01-18 01:06:21,593 INFO L226 Difference]: Without dead ends: 50018 [2022-01-18 01:06:21,593 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1214 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=773, Invalid=5547, Unknown=0, NotChecked=0, Total=6320 [2022-01-18 01:06:21,593 INFO L933 BasicCegarLoop]: 1077 mSDtfsCounter, 2486 mSDsluCounter, 23062 mSDsCounter, 0 mSdLazyCounter, 5354 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 01:06:21,593 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2486 Valid, 23861 Invalid, 5377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5354 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 01:06:21,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50018 states. [2022-01-18 01:06:22,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50018 to 23703. [2022-01-18 01:06:22,044 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) [2022-01-18 01:06:22,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23703 states to 23703 states and 65257 transitions. [2022-01-18 01:06:22,085 INFO L78 Accepts]: Start accepts. Automaton has 23703 states and 65257 transitions. Word has length 199 [2022-01-18 01:06:22,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:06:22,085 INFO L470 AbstractCegarLoop]: Abstraction has 23703 states and 65257 transitions. [2022-01-18 01:06:22,085 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) [2022-01-18 01:06:22,085 INFO L276 IsEmpty]: Start isEmpty. Operand 23703 states and 65257 transitions. [2022-01-18 01:06:22,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:06:22,113 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:06:22,113 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] [2022-01-18 01:06:22,113 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable205 [2022-01-18 01:06:22,113 INFO L402 AbstractCegarLoop]: === Iteration 207 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:06:22,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:06:22,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1645779245, now seen corresponding path program 183 times [2022-01-18 01:06:22,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:06:22,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282952390] [2022-01-18 01:06:22,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:06:22,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:06:22,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:06:22,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:06:22,398 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:06:22,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282952390] [2022-01-18 01:06:22,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282952390] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:06:22,398 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:06:22,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:06:22,398 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302231864] [2022-01-18 01:06:22,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:06:22,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:06:22,398 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:06:22,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:06:22,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:06:22,399 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) [2022-01-18 01:06:25,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:06:25,329 INFO L93 Difference]: Finished difference Result 46716 states and 127772 transitions. [2022-01-18 01:06:25,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-01-18 01:06:25,330 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 [2022-01-18 01:06:25,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:06:25,408 INFO L225 Difference]: With dead ends: 46716 [2022-01-18 01:06:25,408 INFO L226 Difference]: Without dead ends: 46716 [2022-01-18 01:06:25,409 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 [2022-01-18 01:06:25,409 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 [2022-01-18 01:06:25,409 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] [2022-01-18 01:06:25,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46716 states. [2022-01-18 01:06:25,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46716 to 23655. [2022-01-18 01:06:25,864 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) [2022-01-18 01:06:25,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23655 states to 23655 states and 65113 transitions. [2022-01-18 01:06:25,906 INFO L78 Accepts]: Start accepts. Automaton has 23655 states and 65113 transitions. Word has length 199 [2022-01-18 01:06:25,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:06:25,907 INFO L470 AbstractCegarLoop]: Abstraction has 23655 states and 65113 transitions. [2022-01-18 01:06:25,907 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) [2022-01-18 01:06:25,907 INFO L276 IsEmpty]: Start isEmpty. Operand 23655 states and 65113 transitions. [2022-01-18 01:06:25,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:06:25,934 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:06:25,934 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] [2022-01-18 01:06:25,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable206 [2022-01-18 01:06:25,935 INFO L402 AbstractCegarLoop]: === Iteration 208 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:06:25,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:06:25,935 INFO L85 PathProgramCache]: Analyzing trace with hash 2008485933, now seen corresponding path program 184 times [2022-01-18 01:06:25,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:06:25,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852406844] [2022-01-18 01:06:25,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:06:25,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:06:25,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:06:26,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:06:26,224 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:06:26,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852406844] [2022-01-18 01:06:26,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852406844] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:06:26,224 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:06:26,224 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:06:26,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951476573] [2022-01-18 01:06:26,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:06:26,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:06:26,225 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:06:26,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:06:26,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:06:26,225 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) [2022-01-18 01:06:29,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:06:29,500 INFO L93 Difference]: Finished difference Result 51409 states and 140242 transitions. [2022-01-18 01:06:29,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-01-18 01:06:29,501 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 [2022-01-18 01:06:29,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:06:29,594 INFO L225 Difference]: With dead ends: 51409 [2022-01-18 01:06:29,594 INFO L226 Difference]: Without dead ends: 51409 [2022-01-18 01:06:29,595 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 [2022-01-18 01:06:29,595 INFO L933 BasicCegarLoop]: 1158 mSDtfsCounter, 2410 mSDsluCounter, 24884 mSDsCounter, 0 mSdLazyCounter, 5743 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s 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, 1.9s IncrementalHoareTripleChecker+Time [2022-01-18 01:06:29,595 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2410 Valid, 25533 Invalid, 5766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5743 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-01-18 01:06:29,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51409 states. [2022-01-18 01:06:30,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51409 to 23767. [2022-01-18 01:06:30,097 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) [2022-01-18 01:06:30,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23767 states to 23767 states and 65465 transitions. [2022-01-18 01:06:30,140 INFO L78 Accepts]: Start accepts. Automaton has 23767 states and 65465 transitions. Word has length 199 [2022-01-18 01:06:30,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:06:30,140 INFO L470 AbstractCegarLoop]: Abstraction has 23767 states and 65465 transitions. [2022-01-18 01:06:30,141 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) [2022-01-18 01:06:30,141 INFO L276 IsEmpty]: Start isEmpty. Operand 23767 states and 65465 transitions. [2022-01-18 01:06:30,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:06:30,168 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:06:30,168 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] [2022-01-18 01:06:30,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable207 [2022-01-18 01:06:30,169 INFO L402 AbstractCegarLoop]: === Iteration 209 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:06:30,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:06:30,169 INFO L85 PathProgramCache]: Analyzing trace with hash -13312109, now seen corresponding path program 185 times [2022-01-18 01:06:30,169 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:06:30,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386811812] [2022-01-18 01:06:30,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:06:30,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:06:30,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:06:30,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:06:30,468 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:06:30,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386811812] [2022-01-18 01:06:30,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386811812] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:06:30,468 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:06:30,468 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:06:30,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680332729] [2022-01-18 01:06:30,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:06:30,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:06:30,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:06:30,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:06:30,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:06:30,469 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) [2022-01-18 01:06:33,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:06:33,530 INFO L93 Difference]: Finished difference Result 49922 states and 136574 transitions. [2022-01-18 01:06:33,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 01:06:33,530 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 [2022-01-18 01:06:33,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:06:33,622 INFO L225 Difference]: With dead ends: 49922 [2022-01-18 01:06:33,622 INFO L226 Difference]: Without dead ends: 49922 [2022-01-18 01:06:33,623 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 [2022-01-18 01:06:33,623 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 [2022-01-18 01:06:33,623 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] [2022-01-18 01:06:33,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49922 states. [2022-01-18 01:06:34,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49922 to 23703. [2022-01-18 01:06:34,108 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) [2022-01-18 01:06:34,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23703 states to 23703 states and 65257 transitions. [2022-01-18 01:06:34,150 INFO L78 Accepts]: Start accepts. Automaton has 23703 states and 65257 transitions. Word has length 199 [2022-01-18 01:06:34,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:06:34,150 INFO L470 AbstractCegarLoop]: Abstraction has 23703 states and 65257 transitions. [2022-01-18 01:06:34,150 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) [2022-01-18 01:06:34,150 INFO L276 IsEmpty]: Start isEmpty. Operand 23703 states and 65257 transitions. [2022-01-18 01:06:34,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 01:06:34,177 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:06:34,178 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] [2022-01-18 01:06:34,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable208 [2022-01-18 01:06:34,178 INFO L402 AbstractCegarLoop]: === Iteration 210 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:06:34,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:06:34,178 INFO L85 PathProgramCache]: Analyzing trace with hash 336141775, now seen corresponding path program 186 times [2022-01-18 01:06:34,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:06:34,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633894948] [2022-01-18 01:06:34,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:06:34,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:06:34,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:06:34,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:06:34,474 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:06:34,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633894948] [2022-01-18 01:06:34,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633894948] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:06:34,474 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:06:34,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 01:06:34,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665442597] [2022-01-18 01:06:34,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:06:34,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 01:06:34,475 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:06:34,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 01:06:34,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:06:34,475 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) [2022-01-18 01:06:37,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:06:37,280 INFO L93 Difference]: Finished difference Result 45248 states and 124119 transitions. [2022-01-18 01:06:37,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-18 01:06:37,281 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 [2022-01-18 01:06:37,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. Received shutdown request... [2022-01-18 01:06:37,358 INFO L225 Difference]: With dead ends: 45248 [2022-01-18 01:06:37,358 INFO L226 Difference]: Without dead ends: 45248 [2022-01-18 01:06:37,359 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 [2022-01-18 01:06:37,359 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 [2022-01-18 01:06:37,359 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] [2022-01-18 01:06:37,369 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-18 01:06:37,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45248 states. [2022-01-18 01:06:37,421 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-01-18 01:06:37,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable209 [2022-01-18 01:06:37,422 WARN L594 AbstractCegarLoop]: Verification canceled: while executing MinimizeSevpa. [2022-01-18 01:06:37,423 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-01-18 01:06:37,429 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-01-18 01:06:37,431 INFO L732 BasicCegarLoop]: Path program histogram: [186, 10, 10, 2, 1, 1] [2022-01-18 01:06:37,432 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-18 01:06:37,432 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-18 01:06:37,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.01 01:06:37 BasicIcfg [2022-01-18 01:06:37,434 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-18 01:06:37,434 INFO L158 Benchmark]: Toolchain (without parser) took 716511.72ms. Allocated memory was 400.6MB in the beginning and 12.5GB in the end (delta: 12.1GB). Free memory was 343.0MB in the beginning and 7.3GB in the end (delta: -6.9GB). Peak memory consumption was 5.1GB. Max. memory is 16.0GB. [2022-01-18 01:06:37,434 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 400.6MB. Free memory is still 359.3MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 01:06:37,434 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.93ms. Allocated memory was 400.6MB in the beginning and 494.9MB in the end (delta: 94.4MB). Free memory was 342.8MB in the beginning and 464.8MB in the end (delta: -122.0MB). Peak memory consumption was 8.5MB. Max. memory is 16.0GB. [2022-01-18 01:06:37,435 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.56ms. Allocated memory is still 494.9MB. Free memory was 464.8MB in the beginning and 462.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 01:06:37,435 INFO L158 Benchmark]: Boogie Preprocessor took 34.58ms. Allocated memory is still 494.9MB. Free memory was 462.7MB in the beginning and 460.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 01:06:37,435 INFO L158 Benchmark]: RCFGBuilder took 485.21ms. Allocated memory is still 494.9MB. Free memory was 460.6MB in the beginning and 440.7MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. [2022-01-18 01:06:37,435 INFO L158 Benchmark]: TraceAbstraction took 715633.06ms. Allocated memory was 494.9MB in the beginning and 12.5GB in the end (delta: 12.0GB). Free memory was 439.7MB in the beginning and 7.3GB in the end (delta: -6.8GB). Peak memory consumption was 5.1GB. Max. memory is 16.0GB. [2022-01-18 01:06:37,436 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 400.6MB. Free memory is still 359.3MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 292.93ms. Allocated memory was 400.6MB in the beginning and 494.9MB in the end (delta: 94.4MB). Free memory was 342.8MB in the beginning and 464.8MB in the end (delta: -122.0MB). Peak memory consumption was 8.5MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 53.56ms. Allocated memory is still 494.9MB. Free memory was 464.8MB in the beginning and 462.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 34.58ms. Allocated memory is still 494.9MB. Free memory was 462.7MB in the beginning and 460.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 485.21ms. Allocated memory is still 494.9MB. Free memory was 460.6MB in the beginning and 440.7MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. * TraceAbstraction took 715633.06ms. Allocated memory was 494.9MB in the beginning and 12.5GB in the end (delta: 12.0GB). Free memory was 439.7MB in the beginning and 7.3GB in the end (delta: -6.8GB). Peak memory consumption was 5.1GB. Max. memory is 16.0GB. * 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: 715.4s, OverallIterations: 210, TraceHistogramMax: 1, PathProgramHistogramMax: 186, EmptinessCheckTime: 6.1s, AutomataDifference: 549.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.6s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 368673 SdHoareTripleChecker+Valid, 301.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 368673 mSDsluCounter, 4363272 SdHoareTripleChecker+Invalid, 249.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4218965 mSDsCounter, 3850 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 916598 IncrementalHoareTripleChecker+Invalid, 920448 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3850 mSolverCounterUnsat, 202730 mSDtfsCounter, 916598 mSolverCounterSat, 6.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14819 GetRequests, 592 SyntacticMatches, 0 SemanticMatches, 14227 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203760 ImplicationChecksByTransitivity, 223.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26367occurred in iteration=2, InterpolantAutomatonStates: 10716, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 97.5s AutomataMinimizationTime, 210 MinimizatonAttempts, 3204786 StatesRemovedByMinimization, 208 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 58.7s InterpolantComputationTime, 41646 NumberOfCodeBlocks, 41646 NumberOfCodeBlocksAsserted, 210 NumberOfCheckSat, 41436 ConstructedInterpolants, 0 QuantifiedInterpolants, 210596 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 210 InterpolantComputations, 210 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