/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-misc-1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 13:58:44,210 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 13:58:44,212 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 13:58:44,258 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-15 13:58:44,259 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-15 13:58:44,261 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-15 13:58:44,262 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-15 13:58:44,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-15 13:58:44,267 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-15 13:58:44,274 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-15 13:58:44,275 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-15 13:58:44,275 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2022-03-15 13:58:44,294 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 13:58:44,295 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 13:58:44,295 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 13:58:44,298 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-03-15 13:58:44,310 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 13:58:44,310 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 13:58:44,311 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-15 13:58:44,311 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-15 13:58:44,312 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 13:58:44,312 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 13:58:44,312 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 13:58:44,312 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 13:58:44,312 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 13:58:44,313 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 13:58:44,313 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 13:58:44,313 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 13:58:44,313 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 13:58:44,313 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 13:58:44,313 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 13:58:44,313 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 13:58:44,313 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 13:58:44,313 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 13:58:44,313 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 13:58:44,313 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 13:58:44,314 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 13:58:44,314 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 13:58:44,314 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 13:58:44,314 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 13:58:44,314 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 13:58:44,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 13:58:44,314 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 13:58:44,314 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-15 13:58:44,314 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 13:58:44,315 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 13:58:44,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 13:58:44,315 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-15 13:58:44,315 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 13:58:44,315 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-15 13:58:44,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 13:58:44,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 13:58:44,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 13:58:44,505 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 13:58:44,507 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 13:58:44,507 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-1.wvr.c [2022-03-15 13:58:44,558 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21ad945cf/d9f151f8c43b4d7c84838d65bf443eea/FLAGc233217dc [2022-03-15 13:58:44,935 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 13:58:44,936 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-1.wvr.c [2022-03-15 13:58:44,949 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21ad945cf/d9f151f8c43b4d7c84838d65bf443eea/FLAGc233217dc [2022-03-15 13:58:44,961 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21ad945cf/d9f151f8c43b4d7c84838d65bf443eea [2022-03-15 13:58:44,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 13:58:44,966 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 13:58:44,969 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 13:58:44,970 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 13:58:44,972 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 13:58:44,972 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:58:44" (1/1) ... [2022-03-15 13:58:44,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7018130d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:44, skipping insertion in model container [2022-03-15 13:58:44,973 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:58:44" (1/1) ... [2022-03-15 13:58:44,978 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 13:58:44,996 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 13:58:45,200 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/parallel-misc-1.wvr.c[2755,2768] [2022-03-15 13:58:45,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 13:58:45,221 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 13:58:45,252 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/parallel-misc-1.wvr.c[2755,2768] [2022-03-15 13:58:45,259 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 13:58:45,270 INFO L208 MainTranslator]: Completed translation [2022-03-15 13:58:45,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:45 WrapperNode [2022-03-15 13:58:45,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 13:58:45,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 13:58:45,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 13:58:45,272 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 13:58:45,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:45" (1/1) ... [2022-03-15 13:58:45,293 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:45" (1/1) ... [2022-03-15 13:58:45,327 INFO L137 Inliner]: procedures = 23, calls = 41, calls flagged for inlining = 17, calls inlined = 31, statements flattened = 277 [2022-03-15 13:58:45,327 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 13:58:45,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 13:58:45,328 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 13:58:45,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 13:58:45,334 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:45" (1/1) ... [2022-03-15 13:58:45,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:45" (1/1) ... [2022-03-15 13:58:45,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:45" (1/1) ... [2022-03-15 13:58:45,340 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:45" (1/1) ... [2022-03-15 13:58:45,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:45" (1/1) ... [2022-03-15 13:58:45,348 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:45" (1/1) ... [2022-03-15 13:58:45,349 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:45" (1/1) ... [2022-03-15 13:58:45,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 13:58:45,352 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 13:58:45,352 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 13:58:45,352 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 13:58:45,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:45" (1/1) ... [2022-03-15 13:58:45,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 13:58:45,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 13:58:45,387 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-15 13:58:45,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-15 13:58:45,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 13:58:45,419 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-15 13:58:45,419 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-15 13:58:45,419 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-15 13:58:45,419 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-15 13:58:45,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-15 13:58:45,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 13:58:45,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 13:58:45,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-15 13:58:45,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 13:58:45,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 13:58:45,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-15 13:58:45,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 13:58:45,421 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-15 13:58:45,541 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 13:58:45,542 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 13:58:45,925 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 13:58:45,934 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 13:58:45,934 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-03-15 13:58:45,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:58:45 BoogieIcfgContainer [2022-03-15 13:58:45,936 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 13:58:45,937 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 13:58:45,937 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 13:58:45,942 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 13:58:45,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 01:58:44" (1/3) ... [2022-03-15 13:58:45,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d6c93d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:58:45, skipping insertion in model container [2022-03-15 13:58:45,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:45" (2/3) ... [2022-03-15 13:58:45,943 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d6c93d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:58:45, skipping insertion in model container [2022-03-15 13:58:45,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:58:45" (3/3) ... [2022-03-15 13:58:45,944 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-misc-1.wvr.c [2022-03-15 13:58:45,947 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 13:58:45,947 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-15 13:58:45,947 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-15 13:58:45,947 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 13:58:46,005 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,006 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,006 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,006 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,006 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,006 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,006 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,006 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,006 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,007 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,007 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,007 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,007 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,007 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,007 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,007 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,008 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,008 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,008 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,008 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,008 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,008 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,009 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,009 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,009 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,009 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,009 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,010 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,010 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,010 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,010 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,010 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,010 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,010 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,011 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,011 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,011 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,011 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,011 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,011 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,011 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,011 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,011 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,012 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,012 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,012 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,013 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,013 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,013 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,014 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,014 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,014 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,014 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,014 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,015 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,015 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,015 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,015 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,016 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,016 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,016 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,016 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,016 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,017 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,017 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,017 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,017 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,017 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,017 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,018 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,018 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,018 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,019 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,019 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,019 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,019 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,019 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,019 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,020 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,020 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,020 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,020 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,020 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,021 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,022 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,022 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,022 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,023 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,023 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,024 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,024 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,026 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,031 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,031 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,031 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,031 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,031 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,031 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,031 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,032 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,032 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,032 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,032 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,033 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,033 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,033 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,033 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,033 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,033 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,033 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,033 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,033 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,034 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,034 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,034 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,034 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,034 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,034 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,034 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,034 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,034 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,034 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,035 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,035 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,035 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,036 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,036 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,036 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,036 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,041 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,041 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,041 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,042 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,042 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,042 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,042 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,042 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,042 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,042 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,042 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,042 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,043 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,043 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,043 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,043 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,043 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,043 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,043 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,043 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,043 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,044 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,044 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,044 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,044 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,044 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,044 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,044 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,044 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,044 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,044 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,045 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,045 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,045 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,045 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,045 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,045 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,045 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,045 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,045 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,045 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,045 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,046 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,046 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,046 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,046 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,046 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,046 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,046 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,046 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,046 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,046 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,046 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,047 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,047 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,047 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,047 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,047 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,047 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,047 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,047 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,047 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,048 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,048 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,048 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,048 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,048 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,048 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,048 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,048 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,048 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,049 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,049 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,049 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,049 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,049 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,049 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,049 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,049 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,050 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,050 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,050 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,050 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,050 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,050 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,050 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,050 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,050 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,050 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,050 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,051 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,051 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,051 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,051 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,051 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,051 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,051 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,052 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,052 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,052 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,052 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,052 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,052 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,052 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,053 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,053 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,053 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,053 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,053 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,053 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,053 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,053 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,053 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,053 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,053 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,054 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,054 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,054 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,054 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,054 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,054 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,054 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,054 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,055 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,055 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,055 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,055 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,056 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,056 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,056 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,056 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,056 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,056 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,056 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,056 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,057 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,057 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,057 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,057 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,057 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,057 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,057 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,057 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,057 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,058 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,059 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,059 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,059 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,059 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,059 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,060 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,060 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,060 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,060 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,060 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,061 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,061 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,061 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,062 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,062 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,062 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,062 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,062 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,062 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,065 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,065 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,065 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,066 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,066 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,066 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,067 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,067 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,067 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,067 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,067 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,067 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,067 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,067 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,067 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,068 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,068 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,068 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,068 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,068 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,068 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,068 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,068 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,068 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,068 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,068 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,068 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,069 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,069 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,069 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,069 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,069 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,069 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,069 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,069 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,069 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,069 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,069 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,069 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,070 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,070 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,070 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,070 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,070 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,070 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,070 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,070 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,070 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,070 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,071 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,071 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,071 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,072 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,074 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,075 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,075 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,075 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,075 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,075 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,075 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,076 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,076 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,076 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,076 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,076 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,076 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,076 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,076 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,076 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,077 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,081 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,081 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,081 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,081 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,081 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,081 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,082 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,082 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,082 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,082 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,082 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,083 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,083 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,083 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,083 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,083 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,083 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,083 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,083 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,084 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,084 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,086 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,086 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,086 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,086 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,086 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,086 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,086 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,086 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,086 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,086 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,086 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,087 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,087 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,087 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,087 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,087 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,087 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,087 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,087 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,087 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,087 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,088 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,088 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,088 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,088 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,088 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,088 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,088 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,088 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,088 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,088 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,089 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,089 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,089 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,089 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,089 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,089 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,089 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,089 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,089 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,090 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,090 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,090 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,090 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,093 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,093 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,093 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,094 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,096 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,097 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,097 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,097 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,097 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,097 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,097 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,097 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,097 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,097 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,098 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,098 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,098 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,098 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,098 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,098 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,098 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,098 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,098 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,098 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,099 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,099 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,099 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,099 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,099 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,099 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,099 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,099 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,099 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,099 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,099 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,099 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,100 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,100 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,100 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,100 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,100 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,100 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,100 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,100 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,100 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,100 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,100 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,100 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,101 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,101 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,101 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,101 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,101 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,101 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,101 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,101 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,101 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,101 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,101 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,101 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,101 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,102 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,102 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,102 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,105 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,105 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,105 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,105 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,105 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,105 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,106 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,106 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,106 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,106 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,106 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,106 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,106 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,106 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,106 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,106 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,106 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,107 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,107 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,107 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,107 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,107 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,107 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,107 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,107 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,107 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,107 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,108 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,108 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,108 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,108 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,108 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,108 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,108 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,108 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,109 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,109 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,109 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,109 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,110 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,110 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,110 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,110 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,110 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,110 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,110 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,110 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,110 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,110 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,110 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,110 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,111 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,111 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,111 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,111 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,111 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,111 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,111 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,111 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,111 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,111 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,112 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,112 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,112 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,112 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,112 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,112 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,113 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,113 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,113 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,113 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,113 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,113 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,113 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,113 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,113 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,113 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,113 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,113 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,114 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,114 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,114 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,114 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,114 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,115 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,115 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,115 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,115 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,115 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,115 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,115 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,115 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,115 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,115 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,115 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,116 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,116 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,116 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,116 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,116 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,116 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,116 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,116 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,116 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,118 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,118 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,119 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,119 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,119 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,119 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,119 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,119 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,119 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,119 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,119 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,119 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,119 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,119 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,119 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,120 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,120 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,121 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,121 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,121 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,121 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,121 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,121 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,121 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,122 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,122 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,122 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,122 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,122 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,122 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,122 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,122 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,122 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,122 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:58:46,125 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-03-15 13:58:46,158 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 13:58:46,162 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-15 13:58:46,162 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-03-15 13:58:46,175 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 375 places, 396 transitions, 808 flow [2022-03-15 13:58:47,520 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 58787 states, 58786 states have (on average 2.8980199367196273) internal successors, (170363), 58786 states have internal predecessors, (170363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:47,698 INFO L276 IsEmpty]: Start isEmpty. Operand has 58787 states, 58786 states have (on average 2.8980199367196273) internal successors, (170363), 58786 states have internal predecessors, (170363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:47,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 13:58:47,886 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:58:47,887 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:58:47,887 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:58:47,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:58:47,893 INFO L85 PathProgramCache]: Analyzing trace with hash 467375561, now seen corresponding path program 1 times [2022-03-15 13:58:47,900 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:58:47,900 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674187329] [2022-03-15 13:58:47,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:58:47,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:58:48,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:58:48,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:58:48,184 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:58:48,184 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674187329] [2022-03-15 13:58:48,184 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674187329] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:58:48,184 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:58:48,185 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 13:58:48,186 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319774143] [2022-03-15 13:58:48,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:58:48,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-15 13:58:48,189 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:58:48,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-15 13:58:48,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-15 13:58:48,296 INFO L87 Difference]: Start difference. First operand has 58787 states, 58786 states have (on average 2.8980199367196273) internal successors, (170363), 58786 states have internal predecessors, (170363), 0 states have call successors, (0), 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 2 states, 2 states have (on average 81.5) internal successors, (163), 2 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:48,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:58:48,907 INFO L93 Difference]: Finished difference Result 58787 states and 161637 transitions. [2022-03-15 13:58:48,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-15 13:58:48,909 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 81.5) internal successors, (163), 2 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 13:58:48,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:58:49,196 INFO L225 Difference]: With dead ends: 58787 [2022-03-15 13:58:49,196 INFO L226 Difference]: Without dead ends: 51287 [2022-03-15 13:58:49,197 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-15 13:58:49,200 INFO L933 BasicCegarLoop]: 358 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 13:58:49,200 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 358 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 13:58:49,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51287 states. [2022-03-15 13:58:50,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51287 to 51287. [2022-03-15 13:58:50,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51287 states, 51286 states have (on average 2.7494637912880706) internal successors, (141009), 51286 states have internal predecessors, (141009), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:50,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51287 states to 51287 states and 141009 transitions. [2022-03-15 13:58:50,818 INFO L78 Accepts]: Start accepts. Automaton has 51287 states and 141009 transitions. Word has length 163 [2022-03-15 13:58:50,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:58:50,818 INFO L470 AbstractCegarLoop]: Abstraction has 51287 states and 141009 transitions. [2022-03-15 13:58:50,818 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 81.5) internal successors, (163), 2 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:50,818 INFO L276 IsEmpty]: Start isEmpty. Operand 51287 states and 141009 transitions. [2022-03-15 13:58:50,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 13:58:50,917 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:58:50,917 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:58:50,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 13:58:50,918 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:58:50,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:58:50,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1443710742, now seen corresponding path program 1 times [2022-03-15 13:58:50,918 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:58:50,919 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517613932] [2022-03-15 13:58:50,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:58:50,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:58:51,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:58:51,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:58:51,570 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:58:51,570 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517613932] [2022-03-15 13:58:51,570 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517613932] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:58:51,570 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:58:51,570 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 13:58:51,571 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092026932] [2022-03-15 13:58:51,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:58:51,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 13:58:51,572 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:58:51,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 13:58:51,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 13:58:51,573 INFO L87 Difference]: Start difference. First operand 51287 states and 141009 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:54,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:58:54,338 INFO L93 Difference]: Finished difference Result 114332 states and 315102 transitions. [2022-03-15 13:58:54,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-03-15 13:58:54,339 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 13:58:54,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:58:54,774 INFO L225 Difference]: With dead ends: 114332 [2022-03-15 13:58:54,775 INFO L226 Difference]: Without dead ends: 113978 [2022-03-15 13:58:54,777 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 614 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=509, Invalid=2247, Unknown=0, NotChecked=0, Total=2756 [2022-03-15 13:58:54,779 INFO L933 BasicCegarLoop]: 990 mSDtfsCounter, 3925 mSDsluCounter, 12003 mSDsCounter, 0 mSdLazyCounter, 2120 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3925 SdHoareTripleChecker+Valid, 12864 SdHoareTripleChecker+Invalid, 2154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 13:58:54,779 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3925 Valid, 12864 Invalid, 2154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2120 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 13:58:55,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113978 states. [2022-03-15 13:58:56,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113978 to 52739. [2022-03-15 13:58:56,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52739 states, 52738 states have (on average 2.7486442413440026) internal successors, (144958), 52738 states have internal predecessors, (144958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:56,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52739 states to 52739 states and 144958 transitions. [2022-03-15 13:58:56,495 INFO L78 Accepts]: Start accepts. Automaton has 52739 states and 144958 transitions. Word has length 163 [2022-03-15 13:58:56,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:58:56,496 INFO L470 AbstractCegarLoop]: Abstraction has 52739 states and 144958 transitions. [2022-03-15 13:58:56,497 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:56,497 INFO L276 IsEmpty]: Start isEmpty. Operand 52739 states and 144958 transitions. [2022-03-15 13:58:56,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 13:58:56,744 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:58:56,744 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] [2022-03-15 13:58:56,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-15 13:58:56,745 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:58:56,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:58:56,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1846555588, now seen corresponding path program 2 times [2022-03-15 13:58:56,746 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:58:56,746 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8111963] [2022-03-15 13:58:56,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:58:56,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:58:56,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:58:57,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:58:57,239 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:58:57,240 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8111963] [2022-03-15 13:58:57,240 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8111963] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:58:57,240 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:58:57,240 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 13:58:57,240 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937284022] [2022-03-15 13:58:57,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:58:57,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 13:58:57,241 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:58:57,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 13:58:57,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 13:58:57,241 INFO L87 Difference]: Start difference. First operand 52739 states and 144958 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:58:59,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:58:59,916 INFO L93 Difference]: Finished difference Result 114200 states and 314806 transitions. [2022-03-15 13:58:59,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-03-15 13:58:59,917 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 13:58:59,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:59:00,146 INFO L225 Difference]: With dead ends: 114200 [2022-03-15 13:59:00,146 INFO L226 Difference]: Without dead ends: 114061 [2022-03-15 13:59:00,147 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 752 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=660, Invalid=2532, Unknown=0, NotChecked=0, Total=3192 [2022-03-15 13:59:00,148 INFO L933 BasicCegarLoop]: 943 mSDtfsCounter, 3072 mSDsluCounter, 12199 mSDsCounter, 0 mSdLazyCounter, 2188 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3072 SdHoareTripleChecker+Valid, 13015 SdHoareTripleChecker+Invalid, 2249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 2188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 13:59:00,148 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3072 Valid, 13015 Invalid, 2249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 2188 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 13:59:00,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114061 states. [2022-03-15 13:59:01,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114061 to 52787. [2022-03-15 13:59:01,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52787 states, 52786 states have (on average 2.7484181411737962) internal successors, (145078), 52786 states have internal predecessors, (145078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:01,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52787 states to 52787 states and 145078 transitions. [2022-03-15 13:59:01,777 INFO L78 Accepts]: Start accepts. Automaton has 52787 states and 145078 transitions. Word has length 163 [2022-03-15 13:59:01,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:59:01,777 INFO L470 AbstractCegarLoop]: Abstraction has 52787 states and 145078 transitions. [2022-03-15 13:59:01,777 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:01,778 INFO L276 IsEmpty]: Start isEmpty. Operand 52787 states and 145078 transitions. [2022-03-15 13:59:02,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 13:59:02,034 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:59:02,034 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:59:02,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-15 13:59:02,035 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:59:02,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:59:02,035 INFO L85 PathProgramCache]: Analyzing trace with hash -1648792576, now seen corresponding path program 3 times [2022-03-15 13:59:02,035 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:59:02,035 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291679102] [2022-03-15 13:59:02,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:59:02,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:59:02,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:59:02,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:59:02,363 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:59:02,363 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291679102] [2022-03-15 13:59:02,363 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291679102] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:59:02,363 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:59:02,364 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 13:59:02,364 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052153342] [2022-03-15 13:59:02,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:59:02,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 13:59:02,364 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:59:02,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 13:59:02,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 13:59:02,365 INFO L87 Difference]: Start difference. First operand 52787 states and 145078 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:04,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:59:04,907 INFO L93 Difference]: Finished difference Result 114191 states and 314776 transitions. [2022-03-15 13:59:04,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-03-15 13:59:04,907 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 13:59:04,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:59:05,162 INFO L225 Difference]: With dead ends: 114191 [2022-03-15 13:59:05,162 INFO L226 Difference]: Without dead ends: 114025 [2022-03-15 13:59:05,163 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 716 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=603, Invalid=2477, Unknown=0, NotChecked=0, Total=3080 [2022-03-15 13:59:05,164 INFO L933 BasicCegarLoop]: 946 mSDtfsCounter, 3255 mSDsluCounter, 11454 mSDsCounter, 0 mSdLazyCounter, 2068 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3255 SdHoareTripleChecker+Valid, 12286 SdHoareTripleChecker+Invalid, 2116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 2068 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 13:59:05,164 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3255 Valid, 12286 Invalid, 2116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 2068 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 13:59:05,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114025 states. [2022-03-15 13:59:06,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114025 to 52751. [2022-03-15 13:59:06,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52751 states, 52750 states have (on average 2.7484170616113746) internal successors, (144979), 52750 states have internal predecessors, (144979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:06,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52751 states to 52751 states and 144979 transitions. [2022-03-15 13:59:06,843 INFO L78 Accepts]: Start accepts. Automaton has 52751 states and 144979 transitions. Word has length 163 [2022-03-15 13:59:06,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:59:06,844 INFO L470 AbstractCegarLoop]: Abstraction has 52751 states and 144979 transitions. [2022-03-15 13:59:06,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:06,844 INFO L276 IsEmpty]: Start isEmpty. Operand 52751 states and 144979 transitions. [2022-03-15 13:59:06,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 13:59:06,897 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:59:06,897 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:59:06,897 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-15 13:59:06,897 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:59:06,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:59:06,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1919085900, now seen corresponding path program 4 times [2022-03-15 13:59:06,898 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:59:06,898 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817359747] [2022-03-15 13:59:06,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:59:06,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:59:06,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:59:07,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:59:07,182 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:59:07,182 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817359747] [2022-03-15 13:59:07,182 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817359747] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:59:07,182 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:59:07,182 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 13:59:07,182 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629053818] [2022-03-15 13:59:07,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:59:07,183 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 13:59:07,183 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:59:07,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 13:59:07,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 13:59:07,183 INFO L87 Difference]: Start difference. First operand 52751 states and 144979 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:09,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:59:09,998 INFO L93 Difference]: Finished difference Result 114440 states and 315403 transitions. [2022-03-15 13:59:09,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-03-15 13:59:09,998 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 13:59:09,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:59:10,242 INFO L225 Difference]: With dead ends: 114440 [2022-03-15 13:59:10,243 INFO L226 Difference]: Without dead ends: 114126 [2022-03-15 13:59:10,243 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 717 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=585, Invalid=2495, Unknown=0, NotChecked=0, Total=3080 [2022-03-15 13:59:10,244 INFO L933 BasicCegarLoop]: 966 mSDtfsCounter, 3070 mSDsluCounter, 12111 mSDsCounter, 0 mSdLazyCounter, 2182 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3070 SdHoareTripleChecker+Valid, 12952 SdHoareTripleChecker+Invalid, 2229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 2182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 13:59:10,244 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3070 Valid, 12952 Invalid, 2229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 2182 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 13:59:10,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114126 states. [2022-03-15 13:59:11,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114126 to 52583. [2022-03-15 13:59:11,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52583 states, 52582 states have (on average 2.7486402190863792) internal successors, (144529), 52582 states have internal predecessors, (144529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:11,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52583 states to 52583 states and 144529 transitions. [2022-03-15 13:59:11,992 INFO L78 Accepts]: Start accepts. Automaton has 52583 states and 144529 transitions. Word has length 163 [2022-03-15 13:59:11,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:59:11,992 INFO L470 AbstractCegarLoop]: Abstraction has 52583 states and 144529 transitions. [2022-03-15 13:59:11,992 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:11,993 INFO L276 IsEmpty]: Start isEmpty. Operand 52583 states and 144529 transitions. [2022-03-15 13:59:12,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 13:59:12,052 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:59:12,052 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:59:12,052 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-15 13:59:12,053 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:59:12,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:59:12,053 INFO L85 PathProgramCache]: Analyzing trace with hash -839844128, now seen corresponding path program 5 times [2022-03-15 13:59:12,054 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:59:12,054 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064635989] [2022-03-15 13:59:12,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:59:12,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:59:12,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:59:12,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:59:12,384 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:59:12,384 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064635989] [2022-03-15 13:59:12,384 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064635989] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:59:12,384 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:59:12,384 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 13:59:12,384 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783557015] [2022-03-15 13:59:12,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:59:12,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 13:59:12,385 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:59:12,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 13:59:12,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 13:59:12,385 INFO L87 Difference]: Start difference. First operand 52583 states and 144529 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:15,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:59:15,147 INFO L93 Difference]: Finished difference Result 116746 states and 321715 transitions. [2022-03-15 13:59:15,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-15 13:59:15,151 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 13:59:15,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:59:15,383 INFO L225 Difference]: With dead ends: 116746 [2022-03-15 13:59:15,384 INFO L226 Difference]: Without dead ends: 116607 [2022-03-15 13:59:15,384 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 909 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=726, Invalid=2814, Unknown=0, NotChecked=0, Total=3540 [2022-03-15 13:59:15,385 INFO L933 BasicCegarLoop]: 942 mSDtfsCounter, 3541 mSDsluCounter, 11387 mSDsCounter, 0 mSdLazyCounter, 2139 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3541 SdHoareTripleChecker+Valid, 12221 SdHoareTripleChecker+Invalid, 2182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 2139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 13:59:15,387 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3541 Valid, 12221 Invalid, 2182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 2139 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 13:59:15,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116607 states. [2022-03-15 13:59:16,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116607 to 52635. [2022-03-15 13:59:17,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52635 states, 52634 states have (on average 2.748413572975643) internal successors, (144660), 52634 states have internal predecessors, (144660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:17,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52635 states to 52635 states and 144660 transitions. [2022-03-15 13:59:17,128 INFO L78 Accepts]: Start accepts. Automaton has 52635 states and 144660 transitions. Word has length 163 [2022-03-15 13:59:17,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:59:17,129 INFO L470 AbstractCegarLoop]: Abstraction has 52635 states and 144660 transitions. [2022-03-15 13:59:17,129 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:17,129 INFO L276 IsEmpty]: Start isEmpty. Operand 52635 states and 144660 transitions. [2022-03-15 13:59:17,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 13:59:17,178 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:59:17,178 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] [2022-03-15 13:59:17,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-15 13:59:17,179 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:59:17,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:59:17,179 INFO L85 PathProgramCache]: Analyzing trace with hash -40224996, now seen corresponding path program 6 times [2022-03-15 13:59:17,179 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:59:17,179 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215577921] [2022-03-15 13:59:17,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:59:17,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:59:17,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:59:17,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:59:17,457 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:59:17,458 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215577921] [2022-03-15 13:59:17,458 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215577921] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:59:17,458 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:59:17,458 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 13:59:17,458 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341436211] [2022-03-15 13:59:17,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:59:17,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 13:59:17,458 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:59:17,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 13:59:17,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 13:59:17,459 INFO L87 Difference]: Start difference. First operand 52635 states and 144660 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:19,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:59:19,917 INFO L93 Difference]: Finished difference Result 116718 states and 321635 transitions. [2022-03-15 13:59:19,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-03-15 13:59:19,917 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 13:59:19,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:59:20,161 INFO L225 Difference]: With dead ends: 116718 [2022-03-15 13:59:20,162 INFO L226 Difference]: Without dead ends: 116552 [2022-03-15 13:59:20,162 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 735 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=633, Invalid=2447, Unknown=0, NotChecked=0, Total=3080 [2022-03-15 13:59:20,163 INFO L933 BasicCegarLoop]: 938 mSDtfsCounter, 3462 mSDsluCounter, 11040 mSDsCounter, 0 mSdLazyCounter, 2101 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3462 SdHoareTripleChecker+Valid, 11880 SdHoareTripleChecker+Invalid, 2133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 13:59:20,163 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3462 Valid, 11880 Invalid, 2133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2101 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 13:59:20,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116552 states. [2022-03-15 13:59:21,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116552 to 52599. [2022-03-15 13:59:21,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52599 states, 52598 states have (on average 2.7484124871668123) internal successors, (144561), 52598 states have internal predecessors, (144561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:21,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52599 states to 52599 states and 144561 transitions. [2022-03-15 13:59:21,812 INFO L78 Accepts]: Start accepts. Automaton has 52599 states and 144561 transitions. Word has length 163 [2022-03-15 13:59:21,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:59:21,812 INFO L470 AbstractCegarLoop]: Abstraction has 52599 states and 144561 transitions. [2022-03-15 13:59:21,812 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:21,812 INFO L276 IsEmpty]: Start isEmpty. Operand 52599 states and 144561 transitions. [2022-03-15 13:59:22,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 13:59:22,051 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:59:22,051 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:59:22,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-15 13:59:22,051 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:59:22,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:59:22,053 INFO L85 PathProgramCache]: Analyzing trace with hash -320954912, now seen corresponding path program 7 times [2022-03-15 13:59:22,053 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:59:22,053 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998049231] [2022-03-15 13:59:22,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:59:22,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:59:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:59:22,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:59:22,387 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:59:22,387 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998049231] [2022-03-15 13:59:22,388 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998049231] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:59:22,388 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:59:22,388 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 13:59:22,388 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176178151] [2022-03-15 13:59:22,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:59:22,388 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 13:59:22,388 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:59:22,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 13:59:22,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 13:59:22,389 INFO L87 Difference]: Start difference. First operand 52599 states and 144561 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:24,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:59:24,979 INFO L93 Difference]: Finished difference Result 116663 states and 321481 transitions. [2022-03-15 13:59:24,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-15 13:59:24,979 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 13:59:24,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:59:25,217 INFO L225 Difference]: With dead ends: 116663 [2022-03-15 13:59:25,217 INFO L226 Difference]: Without dead ends: 116493 [2022-03-15 13:59:25,218 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 904 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=709, Invalid=2831, Unknown=0, NotChecked=0, Total=3540 [2022-03-15 13:59:25,218 INFO L933 BasicCegarLoop]: 962 mSDtfsCounter, 3155 mSDsluCounter, 12340 mSDsCounter, 0 mSdLazyCounter, 2313 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3155 SdHoareTripleChecker+Valid, 13178 SdHoareTripleChecker+Invalid, 2347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 13:59:25,218 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3155 Valid, 13178 Invalid, 2347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2313 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 13:59:25,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116493 states. [2022-03-15 13:59:26,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116493 to 52587. [2022-03-15 13:59:26,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52587 states, 52586 states have (on average 2.748564256646256) internal successors, (144536), 52586 states have internal predecessors, (144536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:26,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52587 states to 52587 states and 144536 transitions. [2022-03-15 13:59:26,916 INFO L78 Accepts]: Start accepts. Automaton has 52587 states and 144536 transitions. Word has length 163 [2022-03-15 13:59:26,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:59:26,916 INFO L470 AbstractCegarLoop]: Abstraction has 52587 states and 144536 transitions. [2022-03-15 13:59:26,916 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:26,916 INFO L276 IsEmpty]: Start isEmpty. Operand 52587 states and 144536 transitions. [2022-03-15 13:59:26,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 13:59:26,966 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:59:26,966 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] [2022-03-15 13:59:26,966 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-15 13:59:26,966 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:59:26,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:59:26,967 INFO L85 PathProgramCache]: Analyzing trace with hash -1647961572, now seen corresponding path program 8 times [2022-03-15 13:59:26,967 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:59:26,967 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926517032] [2022-03-15 13:59:26,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:59:26,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:59:26,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:59:27,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:59:27,223 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:59:27,223 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926517032] [2022-03-15 13:59:27,223 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926517032] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:59:27,223 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:59:27,223 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 13:59:27,223 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080770874] [2022-03-15 13:59:27,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:59:27,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 13:59:27,224 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:59:27,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 13:59:27,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 13:59:27,224 INFO L87 Difference]: Start difference. First operand 52587 states and 144536 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:29,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:59:29,757 INFO L93 Difference]: Finished difference Result 116879 states and 322124 transitions. [2022-03-15 13:59:29,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-15 13:59:29,757 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 13:59:29,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:59:30,011 INFO L225 Difference]: With dead ends: 116879 [2022-03-15 13:59:30,011 INFO L226 Difference]: Without dead ends: 116740 [2022-03-15 13:59:30,012 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 799 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=691, Invalid=2615, Unknown=0, NotChecked=0, Total=3306 [2022-03-15 13:59:30,013 INFO L933 BasicCegarLoop]: 941 mSDtfsCounter, 3452 mSDsluCounter, 11758 mSDsCounter, 0 mSdLazyCounter, 2128 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3452 SdHoareTripleChecker+Valid, 12582 SdHoareTripleChecker+Invalid, 2171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 2128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 13:59:30,013 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3452 Valid, 12582 Invalid, 2171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 2128 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 13:59:30,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116740 states. [2022-03-15 13:59:31,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116740 to 52635. [2022-03-15 13:59:31,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52635 states, 52634 states have (on average 2.7483375764714824) internal successors, (144656), 52634 states have internal predecessors, (144656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:31,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52635 states to 52635 states and 144656 transitions. [2022-03-15 13:59:31,572 INFO L78 Accepts]: Start accepts. Automaton has 52635 states and 144656 transitions. Word has length 163 [2022-03-15 13:59:31,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:59:31,572 INFO L470 AbstractCegarLoop]: Abstraction has 52635 states and 144656 transitions. [2022-03-15 13:59:31,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:31,572 INFO L276 IsEmpty]: Start isEmpty. Operand 52635 states and 144656 transitions. [2022-03-15 13:59:31,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 13:59:31,625 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:59:31,626 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:59:31,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-15 13:59:31,626 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:59:31,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:59:31,626 INFO L85 PathProgramCache]: Analyzing trace with hash -848342440, now seen corresponding path program 9 times [2022-03-15 13:59:31,626 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:59:31,626 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539279248] [2022-03-15 13:59:31,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:59:31,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:59:31,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:59:31,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:59:31,903 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:59:31,904 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539279248] [2022-03-15 13:59:31,904 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539279248] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:59:31,904 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:59:31,904 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 13:59:31,904 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003081071] [2022-03-15 13:59:31,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:59:31,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 13:59:31,904 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:59:31,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 13:59:31,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 13:59:31,905 INFO L87 Difference]: Start difference. First operand 52635 states and 144656 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:34,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:59:34,407 INFO L93 Difference]: Finished difference Result 116870 states and 322094 transitions. [2022-03-15 13:59:34,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-03-15 13:59:34,407 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 13:59:34,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:59:34,654 INFO L225 Difference]: With dead ends: 116870 [2022-03-15 13:59:34,654 INFO L226 Difference]: Without dead ends: 116704 [2022-03-15 13:59:34,655 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 757 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=637, Invalid=2555, Unknown=0, NotChecked=0, Total=3192 [2022-03-15 13:59:34,655 INFO L933 BasicCegarLoop]: 944 mSDtfsCounter, 3418 mSDsluCounter, 11484 mSDsCounter, 0 mSdLazyCounter, 2100 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3418 SdHoareTripleChecker+Valid, 12315 SdHoareTripleChecker+Invalid, 2129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 2100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 13:59:34,656 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3418 Valid, 12315 Invalid, 2129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 2100 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 13:59:34,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116704 states. [2022-03-15 13:59:36,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116704 to 52599. [2022-03-15 13:59:36,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52599 states, 52598 states have (on average 2.7483364386478573) internal successors, (144557), 52598 states have internal predecessors, (144557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:36,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52599 states to 52599 states and 144557 transitions. [2022-03-15 13:59:36,284 INFO L78 Accepts]: Start accepts. Automaton has 52599 states and 144557 transitions. Word has length 163 [2022-03-15 13:59:36,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:59:36,284 INFO L470 AbstractCegarLoop]: Abstraction has 52599 states and 144557 transitions. [2022-03-15 13:59:36,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:36,285 INFO L276 IsEmpty]: Start isEmpty. Operand 52599 states and 144557 transitions. [2022-03-15 13:59:36,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 13:59:36,339 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:59:36,339 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:59:36,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-15 13:59:36,339 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:59:36,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:59:36,340 INFO L85 PathProgramCache]: Analyzing trace with hash -579707424, now seen corresponding path program 10 times [2022-03-15 13:59:36,340 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:59:36,340 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410854674] [2022-03-15 13:59:36,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:59:36,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:59:36,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:59:36,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:59:36,792 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:59:36,792 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410854674] [2022-03-15 13:59:36,792 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410854674] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:59:36,792 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:59:36,792 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 13:59:36,793 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758955239] [2022-03-15 13:59:36,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:59:36,793 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 13:59:36,793 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:59:36,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 13:59:36,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 13:59:36,794 INFO L87 Difference]: Start difference. First operand 52599 states and 144557 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:39,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:59:39,209 INFO L93 Difference]: Finished difference Result 116929 states and 322264 transitions. [2022-03-15 13:59:39,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-03-15 13:59:39,209 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 13:59:39,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:59:39,467 INFO L225 Difference]: With dead ends: 116929 [2022-03-15 13:59:39,467 INFO L226 Difference]: Without dead ends: 116715 [2022-03-15 13:59:39,468 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 720 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=602, Invalid=2478, Unknown=0, NotChecked=0, Total=3080 [2022-03-15 13:59:39,468 INFO L933 BasicCegarLoop]: 963 mSDtfsCounter, 3386 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 2088 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3386 SdHoareTripleChecker+Valid, 12065 SdHoareTripleChecker+Invalid, 2116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 2088 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 13:59:39,468 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3386 Valid, 12065 Invalid, 2116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 2088 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 13:59:39,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116715 states. [2022-03-15 13:59:40,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116715 to 52531. [2022-03-15 13:59:40,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52531 states, 52530 states have (on average 2.7486388730249383) internal successors, (144386), 52530 states have internal predecessors, (144386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:41,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52531 states to 52531 states and 144386 transitions. [2022-03-15 13:59:41,103 INFO L78 Accepts]: Start accepts. Automaton has 52531 states and 144386 transitions. Word has length 163 [2022-03-15 13:59:41,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:59:41,103 INFO L470 AbstractCegarLoop]: Abstraction has 52531 states and 144386 transitions. [2022-03-15 13:59:41,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:41,104 INFO L276 IsEmpty]: Start isEmpty. Operand 52531 states and 144386 transitions. [2022-03-15 13:59:41,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 13:59:41,155 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:59:41,155 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:59:41,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-15 13:59:41,155 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:59:41,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:59:41,156 INFO L85 PathProgramCache]: Analyzing trace with hash -402189598, now seen corresponding path program 11 times [2022-03-15 13:59:41,156 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:59:41,156 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363087461] [2022-03-15 13:59:41,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:59:41,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:59:41,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:59:41,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:59:41,623 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:59:41,624 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363087461] [2022-03-15 13:59:41,624 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363087461] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:59:41,624 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:59:41,624 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 13:59:41,624 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686205174] [2022-03-15 13:59:41,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:59:41,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 13:59:41,624 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:59:41,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 13:59:41,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 13:59:41,625 INFO L87 Difference]: Start difference. First operand 52531 states and 144386 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:44,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:59:44,266 INFO L93 Difference]: Finished difference Result 122951 states and 338740 transitions. [2022-03-15 13:59:44,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-03-15 13:59:44,267 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 13:59:44,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:59:44,543 INFO L225 Difference]: With dead ends: 122951 [2022-03-15 13:59:44,543 INFO L226 Difference]: Without dead ends: 122812 [2022-03-15 13:59:44,544 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 972 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=758, Invalid=2902, Unknown=0, NotChecked=0, Total=3660 [2022-03-15 13:59:44,544 INFO L933 BasicCegarLoop]: 962 mSDtfsCounter, 3676 mSDsluCounter, 11338 mSDsCounter, 0 mSdLazyCounter, 2191 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3676 SdHoareTripleChecker+Valid, 12199 SdHoareTripleChecker+Invalid, 2232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 2191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 13:59:44,545 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3676 Valid, 12199 Invalid, 2232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 2191 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 13:59:44,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122812 states. [2022-03-15 13:59:46,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122812 to 52635. [2022-03-15 13:59:46,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52635 states, 52634 states have (on average 2.748413572975643) internal successors, (144660), 52634 states have internal predecessors, (144660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:46,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52635 states to 52635 states and 144660 transitions. [2022-03-15 13:59:46,270 INFO L78 Accepts]: Start accepts. Automaton has 52635 states and 144660 transitions. Word has length 163 [2022-03-15 13:59:46,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:59:46,271 INFO L470 AbstractCegarLoop]: Abstraction has 52635 states and 144660 transitions. [2022-03-15 13:59:46,271 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:46,271 INFO L276 IsEmpty]: Start isEmpty. Operand 52635 states and 144660 transitions. [2022-03-15 13:59:46,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 13:59:46,519 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:59:46,519 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:59:46,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-15 13:59:46,520 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:59:46,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:59:46,520 INFO L85 PathProgramCache]: Analyzing trace with hash 397429534, now seen corresponding path program 12 times [2022-03-15 13:59:46,520 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:59:46,520 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311567637] [2022-03-15 13:59:46,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:59:46,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:59:46,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:59:46,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:59:46,778 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:59:46,778 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311567637] [2022-03-15 13:59:46,778 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311567637] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:59:46,778 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:59:46,778 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 13:59:46,778 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274683781] [2022-03-15 13:59:46,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:59:46,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 13:59:46,778 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:59:46,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 13:59:46,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 13:59:46,779 INFO L87 Difference]: Start difference. First operand 52635 states and 144660 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:49,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:59:49,213 INFO L93 Difference]: Finished difference Result 122923 states and 338660 transitions. [2022-03-15 13:59:49,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-03-15 13:59:49,214 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 13:59:49,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:59:49,452 INFO L225 Difference]: With dead ends: 122923 [2022-03-15 13:59:49,452 INFO L226 Difference]: Without dead ends: 122757 [2022-03-15 13:59:49,453 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 790 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=661, Invalid=2531, Unknown=0, NotChecked=0, Total=3192 [2022-03-15 13:59:49,453 INFO L933 BasicCegarLoop]: 958 mSDtfsCounter, 3599 mSDsluCounter, 11316 mSDsCounter, 0 mSdLazyCounter, 2178 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3599 SdHoareTripleChecker+Valid, 12175 SdHoareTripleChecker+Invalid, 2209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 2178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 13:59:49,454 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3599 Valid, 12175 Invalid, 2209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 2178 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 13:59:49,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122757 states. [2022-03-15 13:59:50,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122757 to 52599. [2022-03-15 13:59:50,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52599 states, 52598 states have (on average 2.7484124871668123) internal successors, (144561), 52598 states have internal predecessors, (144561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:51,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52599 states to 52599 states and 144561 transitions. [2022-03-15 13:59:51,248 INFO L78 Accepts]: Start accepts. Automaton has 52599 states and 144561 transitions. Word has length 163 [2022-03-15 13:59:51,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:59:51,249 INFO L470 AbstractCegarLoop]: Abstraction has 52599 states and 144561 transitions. [2022-03-15 13:59:51,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:51,249 INFO L276 IsEmpty]: Start isEmpty. Operand 52599 states and 144561 transitions. [2022-03-15 13:59:51,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 13:59:51,300 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:59:51,300 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] [2022-03-15 13:59:51,300 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-15 13:59:51,300 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:59:51,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:59:51,301 INFO L85 PathProgramCache]: Analyzing trace with hash 116699618, now seen corresponding path program 13 times [2022-03-15 13:59:51,301 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:59:51,301 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912454036] [2022-03-15 13:59:51,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:59:51,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:59:51,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:59:51,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:59:51,554 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:59:51,554 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912454036] [2022-03-15 13:59:51,555 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912454036] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:59:51,555 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:59:51,555 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 13:59:51,555 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231130256] [2022-03-15 13:59:51,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:59:51,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 13:59:51,555 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:59:51,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 13:59:51,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 13:59:51,556 INFO L87 Difference]: Start difference. First operand 52599 states and 144561 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:54,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:59:54,161 INFO L93 Difference]: Finished difference Result 123282 states and 339460 transitions. [2022-03-15 13:59:54,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-03-15 13:59:54,161 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 13:59:54,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:59:54,420 INFO L225 Difference]: With dead ends: 123282 [2022-03-15 13:59:54,420 INFO L226 Difference]: Without dead ends: 123112 [2022-03-15 13:59:54,421 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 970 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=739, Invalid=2921, Unknown=0, NotChecked=0, Total=3660 [2022-03-15 13:59:54,421 INFO L933 BasicCegarLoop]: 982 mSDtfsCounter, 3560 mSDsluCounter, 11787 mSDsCounter, 0 mSdLazyCounter, 2267 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3560 SdHoareTripleChecker+Valid, 12659 SdHoareTripleChecker+Invalid, 2299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 13:59:54,421 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3560 Valid, 12659 Invalid, 2299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2267 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 13:59:54,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123112 states. [2022-03-15 13:59:55,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123112 to 52587. [2022-03-15 13:59:55,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52587 states, 52586 states have (on average 2.748564256646256) internal successors, (144536), 52586 states have internal predecessors, (144536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:56,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52587 states to 52587 states and 144536 transitions. [2022-03-15 13:59:56,270 INFO L78 Accepts]: Start accepts. Automaton has 52587 states and 144536 transitions. Word has length 163 [2022-03-15 13:59:56,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:59:56,271 INFO L470 AbstractCegarLoop]: Abstraction has 52587 states and 144536 transitions. [2022-03-15 13:59:56,271 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:56,271 INFO L276 IsEmpty]: Start isEmpty. Operand 52587 states and 144536 transitions. [2022-03-15 13:59:56,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 13:59:56,320 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:59:56,320 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 13:59:56,320 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-15 13:59:56,320 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 13:59:56,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:59:56,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1210307042, now seen corresponding path program 14 times [2022-03-15 13:59:56,321 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:59:56,321 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795910907] [2022-03-15 13:59:56,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:59:56,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:59:56,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:59:56,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:59:56,576 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:59:56,576 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795910907] [2022-03-15 13:59:56,576 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795910907] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:59:56,576 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:59:56,576 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 13:59:56,577 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959066214] [2022-03-15 13:59:56,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:59:56,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 13:59:56,577 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:59:56,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 13:59:56,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 13:59:56,578 INFO L87 Difference]: Start difference. First operand 52587 states and 144536 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:59:59,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:59:59,024 INFO L93 Difference]: Finished difference Result 122503 states and 337504 transitions. [2022-03-15 13:59:59,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-03-15 13:59:59,025 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 13:59:59,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:59:59,284 INFO L225 Difference]: With dead ends: 122503 [2022-03-15 13:59:59,284 INFO L226 Difference]: Without dead ends: 122364 [2022-03-15 13:59:59,285 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 865 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=722, Invalid=2700, Unknown=0, NotChecked=0, Total=3422 [2022-03-15 13:59:59,285 INFO L933 BasicCegarLoop]: 960 mSDtfsCounter, 3672 mSDsluCounter, 11304 mSDsCounter, 0 mSdLazyCounter, 2146 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3672 SdHoareTripleChecker+Valid, 12163 SdHoareTripleChecker+Invalid, 2192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 2146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 13:59:59,286 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3672 Valid, 12163 Invalid, 2192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 2146 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 13:59:59,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122364 states. [2022-03-15 14:00:00,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122364 to 52635. [2022-03-15 14:00:00,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52635 states, 52634 states have (on average 2.7483375764714824) internal successors, (144656), 52634 states have internal predecessors, (144656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:01,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52635 states to 52635 states and 144656 transitions. [2022-03-15 14:00:01,157 INFO L78 Accepts]: Start accepts. Automaton has 52635 states and 144656 transitions. Word has length 163 [2022-03-15 14:00:01,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:00:01,157 INFO L470 AbstractCegarLoop]: Abstraction has 52635 states and 144656 transitions. [2022-03-15 14:00:01,157 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:01,158 INFO L276 IsEmpty]: Start isEmpty. Operand 52635 states and 144656 transitions. [2022-03-15 14:00:01,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:00:01,208 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:00:01,208 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:00:01,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-15 14:00:01,208 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:00:01,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:00:01,209 INFO L85 PathProgramCache]: Analyzing trace with hash -410687910, now seen corresponding path program 15 times [2022-03-15 14:00:01,209 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:00:01,209 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776737516] [2022-03-15 14:00:01,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:00:01,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:00:01,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:00:01,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:00:01,445 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:00:01,445 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776737516] [2022-03-15 14:00:01,445 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776737516] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:00:01,445 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:00:01,445 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:00:01,446 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624521645] [2022-03-15 14:00:01,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:00:01,446 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:00:01,446 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:00:01,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:00:01,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:00:01,446 INFO L87 Difference]: Start difference. First operand 52635 states and 144656 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:03,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:00:03,915 INFO L93 Difference]: Finished difference Result 122479 states and 337439 transitions. [2022-03-15 14:00:03,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-15 14:00:03,916 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:00:03,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:00:04,214 INFO L225 Difference]: With dead ends: 122479 [2022-03-15 14:00:04,214 INFO L226 Difference]: Without dead ends: 122313 [2022-03-15 14:00:04,215 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 819 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=667, Invalid=2639, Unknown=0, NotChecked=0, Total=3306 [2022-03-15 14:00:04,216 INFO L933 BasicCegarLoop]: 963 mSDtfsCounter, 3621 mSDsluCounter, 11336 mSDsCounter, 0 mSdLazyCounter, 2145 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3621 SdHoareTripleChecker+Valid, 12195 SdHoareTripleChecker+Invalid, 2180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 14:00:04,216 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3621 Valid, 12195 Invalid, 2180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2145 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 14:00:04,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122313 states. [2022-03-15 14:00:05,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122313 to 52599. [2022-03-15 14:00:05,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52599 states, 52598 states have (on average 2.7483364386478573) internal successors, (144557), 52598 states have internal predecessors, (144557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:06,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52599 states to 52599 states and 144557 transitions. [2022-03-15 14:00:06,005 INFO L78 Accepts]: Start accepts. Automaton has 52599 states and 144557 transitions. Word has length 163 [2022-03-15 14:00:06,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:00:06,005 INFO L470 AbstractCegarLoop]: Abstraction has 52599 states and 144557 transitions. [2022-03-15 14:00:06,005 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:06,005 INFO L276 IsEmpty]: Start isEmpty. Operand 52599 states and 144557 transitions. [2022-03-15 14:00:06,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:00:06,263 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:00:06,264 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:00:06,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-15 14:00:06,264 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:00:06,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:00:06,264 INFO L85 PathProgramCache]: Analyzing trace with hash -142052894, now seen corresponding path program 16 times [2022-03-15 14:00:06,264 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:00:06,264 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987688445] [2022-03-15 14:00:06,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:00:06,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:00:06,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:00:06,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:00:06,587 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:00:06,587 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987688445] [2022-03-15 14:00:06,587 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987688445] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:00:06,587 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:00:06,587 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:00:06,588 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021582142] [2022-03-15 14:00:06,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:00:06,588 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:00:06,588 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:00:06,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:00:06,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:00:06,588 INFO L87 Difference]: Start difference. First operand 52599 states and 144557 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:09,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:00:09,173 INFO L93 Difference]: Finished difference Result 122427 states and 337296 transitions. [2022-03-15 14:00:09,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-03-15 14:00:09,174 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:00:09,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:00:09,455 INFO L225 Difference]: With dead ends: 122427 [2022-03-15 14:00:09,455 INFO L226 Difference]: Without dead ends: 122265 [2022-03-15 14:00:09,456 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 782 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=631, Invalid=2561, Unknown=0, NotChecked=0, Total=3192 [2022-03-15 14:00:09,456 INFO L933 BasicCegarLoop]: 982 mSDtfsCounter, 3504 mSDsluCounter, 12139 mSDsCounter, 0 mSdLazyCounter, 2204 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3504 SdHoareTripleChecker+Valid, 12997 SdHoareTripleChecker+Invalid, 2238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 14:00:09,456 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3504 Valid, 12997 Invalid, 2238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2204 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 14:00:09,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122265 states. [2022-03-15 14:00:11,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122265 to 52583. [2022-03-15 14:00:11,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52583 states, 52582 states have (on average 2.748564147426876) internal successors, (144525), 52582 states have internal predecessors, (144525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:11,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52583 states to 52583 states and 144525 transitions. [2022-03-15 14:00:11,234 INFO L78 Accepts]: Start accepts. Automaton has 52583 states and 144525 transitions. Word has length 163 [2022-03-15 14:00:11,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:00:11,234 INFO L470 AbstractCegarLoop]: Abstraction has 52583 states and 144525 transitions. [2022-03-15 14:00:11,234 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:11,234 INFO L276 IsEmpty]: Start isEmpty. Operand 52583 states and 144525 transitions. [2022-03-15 14:00:11,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:00:11,299 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:00:11,299 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:00:11,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-03-15 14:00:11,299 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:00:11,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:00:11,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1671430020, now seen corresponding path program 17 times [2022-03-15 14:00:11,300 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:00:11,300 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198312055] [2022-03-15 14:00:11,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:00:11,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:00:11,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:00:11,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:00:11,562 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:00:11,562 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198312055] [2022-03-15 14:00:11,562 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198312055] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:00:11,563 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:00:11,563 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:00:11,563 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839406897] [2022-03-15 14:00:11,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:00:11,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:00:11,563 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:00:11,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:00:11,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:00:11,564 INFO L87 Difference]: Start difference. First operand 52583 states and 144525 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:14,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:00:14,611 INFO L93 Difference]: Finished difference Result 120010 states and 330644 transitions. [2022-03-15 14:00:14,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-15 14:00:14,612 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:00:14,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:00:14,919 INFO L225 Difference]: With dead ends: 120010 [2022-03-15 14:00:14,919 INFO L226 Difference]: Without dead ends: 119871 [2022-03-15 14:00:14,920 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 910 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=714, Invalid=2826, Unknown=0, NotChecked=0, Total=3540 [2022-03-15 14:00:14,921 INFO L933 BasicCegarLoop]: 961 mSDtfsCounter, 3534 mSDsluCounter, 11208 mSDsCounter, 0 mSdLazyCounter, 2224 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3534 SdHoareTripleChecker+Valid, 12074 SdHoareTripleChecker+Invalid, 2269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 2224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 14:00:14,921 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3534 Valid, 12074 Invalid, 2269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 2224 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 14:00:15,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119871 states. [2022-03-15 14:00:16,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119871 to 52787. [2022-03-15 14:00:16,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52787 states, 52786 states have (on average 2.748342363505475) internal successors, (145074), 52786 states have internal predecessors, (145074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:16,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52787 states to 52787 states and 145074 transitions. [2022-03-15 14:00:16,788 INFO L78 Accepts]: Start accepts. Automaton has 52787 states and 145074 transitions. Word has length 163 [2022-03-15 14:00:16,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:00:16,788 INFO L470 AbstractCegarLoop]: Abstraction has 52787 states and 145074 transitions. [2022-03-15 14:00:16,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:16,788 INFO L276 IsEmpty]: Start isEmpty. Operand 52787 states and 145074 transitions. [2022-03-15 14:00:16,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:00:16,841 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:00:16,841 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] [2022-03-15 14:00:16,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-03-15 14:00:16,841 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:00:16,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:00:16,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1823918144, now seen corresponding path program 18 times [2022-03-15 14:00:16,841 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:00:16,841 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884079323] [2022-03-15 14:00:16,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:00:16,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:00:16,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:00:17,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:00:17,105 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:00:17,105 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884079323] [2022-03-15 14:00:17,105 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884079323] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:00:17,105 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:00:17,105 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:00:17,105 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809344527] [2022-03-15 14:00:17,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:00:17,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:00:17,106 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:00:17,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:00:17,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:00:17,107 INFO L87 Difference]: Start difference. First operand 52787 states and 145074 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:19,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:00:19,737 INFO L93 Difference]: Finished difference Result 119934 states and 330448 transitions. [2022-03-15 14:00:19,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-03-15 14:00:19,738 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:00:19,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:00:19,987 INFO L225 Difference]: With dead ends: 119934 [2022-03-15 14:00:19,987 INFO L226 Difference]: Without dead ends: 119768 [2022-03-15 14:00:19,988 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 740 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=629, Invalid=2451, Unknown=0, NotChecked=0, Total=3080 [2022-03-15 14:00:19,988 INFO L933 BasicCegarLoop]: 957 mSDtfsCounter, 3460 mSDsluCounter, 11501 mSDsCounter, 0 mSdLazyCounter, 2228 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3460 SdHoareTripleChecker+Valid, 12360 SdHoareTripleChecker+Invalid, 2262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 14:00:19,988 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3460 Valid, 12360 Invalid, 2262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2228 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 14:00:20,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119768 states. [2022-03-15 14:00:21,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119768 to 52751. [2022-03-15 14:00:21,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52751 states, 52750 states have (on average 2.7483412322274883) internal successors, (144975), 52750 states have internal predecessors, (144975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:21,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52751 states to 52751 states and 144975 transitions. [2022-03-15 14:00:21,582 INFO L78 Accepts]: Start accepts. Automaton has 52751 states and 144975 transitions. Word has length 163 [2022-03-15 14:00:21,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:00:21,582 INFO L470 AbstractCegarLoop]: Abstraction has 52751 states and 144975 transitions. [2022-03-15 14:00:21,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:21,582 INFO L276 IsEmpty]: Start isEmpty. Operand 52751 states and 144975 transitions. [2022-03-15 14:00:21,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:00:21,638 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:00:21,638 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] [2022-03-15 14:00:21,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-15 14:00:21,638 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:00:21,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:00:21,638 INFO L85 PathProgramCache]: Analyzing trace with hash -2104648060, now seen corresponding path program 19 times [2022-03-15 14:00:21,638 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:00:21,639 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010845843] [2022-03-15 14:00:21,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:00:21,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:00:21,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:00:21,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:00:21,889 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:00:21,889 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010845843] [2022-03-15 14:00:21,889 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010845843] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:00:21,889 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:00:21,890 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:00:21,890 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410621319] [2022-03-15 14:00:21,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:00:21,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:00:21,890 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:00:21,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:00:21,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:00:21,891 INFO L87 Difference]: Start difference. First operand 52751 states and 144975 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:24,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:00:24,671 INFO L93 Difference]: Finished difference Result 120287 states and 331306 transitions. [2022-03-15 14:00:24,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-03-15 14:00:24,671 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:00:24,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:00:24,937 INFO L225 Difference]: With dead ends: 120287 [2022-03-15 14:00:24,937 INFO L226 Difference]: Without dead ends: 120117 [2022-03-15 14:00:24,938 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 958 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=721, Invalid=2939, Unknown=0, NotChecked=0, Total=3660 [2022-03-15 14:00:24,938 INFO L933 BasicCegarLoop]: 983 mSDtfsCounter, 3584 mSDsluCounter, 11682 mSDsCounter, 0 mSdLazyCounter, 2313 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3584 SdHoareTripleChecker+Valid, 12555 SdHoareTripleChecker+Invalid, 2347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 14:00:24,938 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3584 Valid, 12555 Invalid, 2347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2313 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 14:00:25,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120117 states. [2022-03-15 14:00:26,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120117 to 52739. [2022-03-15 14:00:26,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52739 states, 52738 states have (on average 2.7483408547916115) internal successors, (144942), 52738 states have internal predecessors, (144942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:26,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52739 states to 52739 states and 144942 transitions. [2022-03-15 14:00:26,588 INFO L78 Accepts]: Start accepts. Automaton has 52739 states and 144942 transitions. Word has length 163 [2022-03-15 14:00:26,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:00:26,589 INFO L470 AbstractCegarLoop]: Abstraction has 52739 states and 144942 transitions. [2022-03-15 14:00:26,589 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:26,589 INFO L276 IsEmpty]: Start isEmpty. Operand 52739 states and 144942 transitions. [2022-03-15 14:00:26,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:00:26,643 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:00:26,643 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:00:26,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-03-15 14:00:26,644 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:00:26,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:00:26,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1387974694, now seen corresponding path program 20 times [2022-03-15 14:00:26,644 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:00:26,644 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644668201] [2022-03-15 14:00:26,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:00:26,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:00:26,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:00:26,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:00:26,881 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:00:26,881 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644668201] [2022-03-15 14:00:26,881 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644668201] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:00:26,881 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:00:26,881 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:00:26,881 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620749756] [2022-03-15 14:00:26,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:00:26,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:00:26,881 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:00:26,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:00:26,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:00:26,882 INFO L87 Difference]: Start difference. First operand 52739 states and 144942 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:29,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:00:29,694 INFO L93 Difference]: Finished difference Result 119810 states and 330063 transitions. [2022-03-15 14:00:29,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-15 14:00:29,694 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:00:29,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:00:29,947 INFO L225 Difference]: With dead ends: 119810 [2022-03-15 14:00:29,948 INFO L226 Difference]: Without dead ends: 118521 [2022-03-15 14:00:29,948 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1016 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=737, Invalid=3045, Unknown=0, NotChecked=0, Total=3782 [2022-03-15 14:00:29,948 INFO L933 BasicCegarLoop]: 1005 mSDtfsCounter, 3241 mSDsluCounter, 12240 mSDsCounter, 0 mSdLazyCounter, 2449 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3241 SdHoareTripleChecker+Valid, 13128 SdHoareTripleChecker+Invalid, 2483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 14:00:29,949 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3241 Valid, 13128 Invalid, 2483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2449 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 14:00:30,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118521 states. [2022-03-15 14:00:31,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118521 to 51855. [2022-03-15 14:00:31,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51855 states, 51854 states have (on average 2.748621128553246) internal successors, (142527), 51854 states have internal predecessors, (142527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:31,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51855 states to 51855 states and 142527 transitions. [2022-03-15 14:00:31,562 INFO L78 Accepts]: Start accepts. Automaton has 51855 states and 142527 transitions. Word has length 163 [2022-03-15 14:00:31,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:00:31,562 INFO L470 AbstractCegarLoop]: Abstraction has 51855 states and 142527 transitions. [2022-03-15 14:00:31,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:31,562 INFO L276 IsEmpty]: Start isEmpty. Operand 51855 states and 142527 transitions. [2022-03-15 14:00:31,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:00:31,609 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:00:31,609 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:00:31,609 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-03-15 14:00:31,609 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:00:31,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:00:31,610 INFO L85 PathProgramCache]: Analyzing trace with hash 422667174, now seen corresponding path program 21 times [2022-03-15 14:00:31,610 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:00:31,610 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247378090] [2022-03-15 14:00:31,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:00:31,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:00:31,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:00:31,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:00:31,852 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:00:31,853 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247378090] [2022-03-15 14:00:31,853 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247378090] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:00:31,853 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:00:31,853 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:00:31,853 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527035894] [2022-03-15 14:00:31,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:00:31,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:00:31,853 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:00:31,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:00:31,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:00:31,854 INFO L87 Difference]: Start difference. First operand 51855 states and 142527 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:34,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:00:34,230 INFO L93 Difference]: Finished difference Result 118841 states and 327152 transitions. [2022-03-15 14:00:34,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-03-15 14:00:34,230 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:00:34,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:00:34,650 INFO L225 Difference]: With dead ends: 118841 [2022-03-15 14:00:34,650 INFO L226 Difference]: Without dead ends: 118417 [2022-03-15 14:00:34,651 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 744 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=612, Invalid=2468, Unknown=0, NotChecked=0, Total=3080 [2022-03-15 14:00:34,651 INFO L933 BasicCegarLoop]: 961 mSDtfsCounter, 3611 mSDsluCounter, 10988 mSDsCounter, 0 mSdLazyCounter, 2262 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3611 SdHoareTripleChecker+Valid, 11850 SdHoareTripleChecker+Invalid, 2295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 2262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 14:00:34,651 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3611 Valid, 11850 Invalid, 2295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 2262 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 14:00:34,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118417 states. [2022-03-15 14:00:35,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118417 to 51871. [2022-03-15 14:00:35,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51871 states, 51870 states have (on average 2.748544438018122) internal successors, (142567), 51870 states have internal predecessors, (142567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:36,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51871 states to 51871 states and 142567 transitions. [2022-03-15 14:00:36,354 INFO L78 Accepts]: Start accepts. Automaton has 51871 states and 142567 transitions. Word has length 163 [2022-03-15 14:00:36,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:00:36,354 INFO L470 AbstractCegarLoop]: Abstraction has 51871 states and 142567 transitions. [2022-03-15 14:00:36,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:36,354 INFO L276 IsEmpty]: Start isEmpty. Operand 51871 states and 142567 transitions. [2022-03-15 14:00:36,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:00:36,408 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:00:36,408 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:00:36,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-03-15 14:00:36,408 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:00:36,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:00:36,409 INFO L85 PathProgramCache]: Analyzing trace with hash -2017143812, now seen corresponding path program 22 times [2022-03-15 14:00:36,409 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:00:36,409 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427939108] [2022-03-15 14:00:36,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:00:36,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:00:36,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:00:36,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:00:36,773 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:00:36,773 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427939108] [2022-03-15 14:00:36,773 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427939108] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:00:36,773 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:00:36,773 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:00:36,773 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577543539] [2022-03-15 14:00:36,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:00:36,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:00:36,773 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:00:36,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:00:36,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:00:36,774 INFO L87 Difference]: Start difference. First operand 51871 states and 142567 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:39,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:00:39,414 INFO L93 Difference]: Finished difference Result 120140 states and 330546 transitions. [2022-03-15 14:00:39,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-03-15 14:00:39,415 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:00:39,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:00:39,682 INFO L225 Difference]: With dead ends: 120140 [2022-03-15 14:00:39,682 INFO L226 Difference]: Without dead ends: 119735 [2022-03-15 14:00:39,683 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 906 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=676, Invalid=2864, Unknown=0, NotChecked=0, Total=3540 [2022-03-15 14:00:39,683 INFO L933 BasicCegarLoop]: 967 mSDtfsCounter, 3251 mSDsluCounter, 12368 mSDsCounter, 0 mSdLazyCounter, 2462 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3251 SdHoareTripleChecker+Valid, 13208 SdHoareTripleChecker+Invalid, 2496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 14:00:39,683 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3251 Valid, 13208 Invalid, 2496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2462 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 14:00:39,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119735 states. [2022-03-15 14:00:41,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119735 to 52027. [2022-03-15 14:00:41,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52027 states, 52026 states have (on average 2.747549302271941) internal successors, (142944), 52026 states have internal predecessors, (142944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:41,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52027 states to 52027 states and 142944 transitions. [2022-03-15 14:00:41,378 INFO L78 Accepts]: Start accepts. Automaton has 52027 states and 142944 transitions. Word has length 163 [2022-03-15 14:00:41,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:00:41,379 INFO L470 AbstractCegarLoop]: Abstraction has 52027 states and 142944 transitions. [2022-03-15 14:00:41,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:41,379 INFO L276 IsEmpty]: Start isEmpty. Operand 52027 states and 142944 transitions. [2022-03-15 14:00:41,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:00:41,432 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:00:41,433 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:00:41,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-03-15 14:00:41,433 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:00:41,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:00:41,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1230510364, now seen corresponding path program 23 times [2022-03-15 14:00:41,433 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:00:41,433 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250792191] [2022-03-15 14:00:41,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:00:41,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:00:41,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:00:41,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:00:41,683 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:00:41,683 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250792191] [2022-03-15 14:00:41,683 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250792191] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:00:41,684 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:00:41,684 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:00:41,684 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577110620] [2022-03-15 14:00:41,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:00:41,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:00:41,684 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:00:41,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:00:41,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:00:41,685 INFO L87 Difference]: Start difference. First operand 52027 states and 142944 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:44,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:00:44,372 INFO L93 Difference]: Finished difference Result 118757 states and 327146 transitions. [2022-03-15 14:00:44,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-03-15 14:00:44,373 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:00:44,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:00:44,629 INFO L225 Difference]: With dead ends: 118757 [2022-03-15 14:00:44,629 INFO L226 Difference]: Without dead ends: 118618 [2022-03-15 14:00:44,629 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 764 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=640, Invalid=2552, Unknown=0, NotChecked=0, Total=3192 [2022-03-15 14:00:44,630 INFO L933 BasicCegarLoop]: 920 mSDtfsCounter, 2853 mSDsluCounter, 11655 mSDsCounter, 0 mSdLazyCounter, 2292 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2853 SdHoareTripleChecker+Valid, 12465 SdHoareTripleChecker+Invalid, 2336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 2292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 14:00:44,630 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2853 Valid, 12465 Invalid, 2336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 2292 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 14:00:44,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118618 states. [2022-03-15 14:00:46,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118618 to 52075. [2022-03-15 14:00:46,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52075 states, 52074 states have (on average 2.747321119944694) internal successors, (143064), 52074 states have internal predecessors, (143064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:46,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52075 states to 52075 states and 143064 transitions. [2022-03-15 14:00:46,283 INFO L78 Accepts]: Start accepts. Automaton has 52075 states and 143064 transitions. Word has length 163 [2022-03-15 14:00:46,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:00:46,284 INFO L470 AbstractCegarLoop]: Abstraction has 52075 states and 143064 transitions. [2022-03-15 14:00:46,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:46,284 INFO L276 IsEmpty]: Start isEmpty. Operand 52075 states and 143064 transitions. [2022-03-15 14:00:46,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:00:46,335 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:00:46,336 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] [2022-03-15 14:00:46,336 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-03-15 14:00:46,336 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:00:46,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:00:46,336 INFO L85 PathProgramCache]: Analyzing trace with hash 2030129496, now seen corresponding path program 24 times [2022-03-15 14:00:46,336 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:00:46,336 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950346605] [2022-03-15 14:00:46,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:00:46,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:00:46,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:00:46,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:00:46,586 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:00:46,586 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950346605] [2022-03-15 14:00:46,587 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950346605] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:00:46,587 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:00:46,587 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:00:46,587 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786422225] [2022-03-15 14:00:46,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:00:46,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:00:46,587 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:00:46,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:00:46,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:00:46,588 INFO L87 Difference]: Start difference. First operand 52075 states and 143064 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:48,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:00:48,879 INFO L93 Difference]: Finished difference Result 118681 states and 326950 transitions. [2022-03-15 14:00:48,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-03-15 14:00:48,880 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:00:48,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:00:49,293 INFO L225 Difference]: With dead ends: 118681 [2022-03-15 14:00:49,293 INFO L226 Difference]: Without dead ends: 118515 [2022-03-15 14:00:49,294 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 611 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=566, Invalid=2190, Unknown=0, NotChecked=0, Total=2756 [2022-03-15 14:00:49,294 INFO L933 BasicCegarLoop]: 916 mSDtfsCounter, 2996 mSDsluCounter, 11134 mSDsCounter, 0 mSdLazyCounter, 2169 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2996 SdHoareTripleChecker+Valid, 11953 SdHoareTripleChecker+Invalid, 2202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 2169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 14:00:49,294 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2996 Valid, 11953 Invalid, 2202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 2169 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 14:00:49,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118515 states. [2022-03-15 14:00:50,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118515 to 52039. [2022-03-15 14:00:50,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52039 states, 52038 states have (on average 2.747319266689727) internal successors, (142965), 52038 states have internal predecessors, (142965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:50,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52039 states to 52039 states and 142965 transitions. [2022-03-15 14:00:50,873 INFO L78 Accepts]: Start accepts. Automaton has 52039 states and 142965 transitions. Word has length 163 [2022-03-15 14:00:50,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:00:50,873 INFO L470 AbstractCegarLoop]: Abstraction has 52039 states and 142965 transitions. [2022-03-15 14:00:50,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:50,873 INFO L276 IsEmpty]: Start isEmpty. Operand 52039 states and 142965 transitions. [2022-03-15 14:00:50,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:00:50,929 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:00:50,929 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:00:50,929 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-03-15 14:00:50,929 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:00:50,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:00:50,930 INFO L85 PathProgramCache]: Analyzing trace with hash 67087584, now seen corresponding path program 25 times [2022-03-15 14:00:50,930 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:00:50,930 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008646023] [2022-03-15 14:00:50,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:00:50,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:00:50,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:00:51,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:00:51,176 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:00:51,176 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008646023] [2022-03-15 14:00:51,176 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008646023] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:00:51,176 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:00:51,176 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:00:51,177 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827145758] [2022-03-15 14:00:51,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:00:51,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:00:51,177 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:00:51,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:00:51,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:00:51,177 INFO L87 Difference]: Start difference. First operand 52039 states and 142965 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:53,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:00:53,668 INFO L93 Difference]: Finished difference Result 119002 states and 327724 transitions. [2022-03-15 14:00:53,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-15 14:00:53,669 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:00:53,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:00:53,926 INFO L225 Difference]: With dead ends: 119002 [2022-03-15 14:00:53,926 INFO L226 Difference]: Without dead ends: 118664 [2022-03-15 14:00:53,927 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 764 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=625, Invalid=2567, Unknown=0, NotChecked=0, Total=3192 [2022-03-15 14:00:53,927 INFO L933 BasicCegarLoop]: 945 mSDtfsCounter, 3281 mSDsluCounter, 11069 mSDsCounter, 0 mSdLazyCounter, 2243 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3281 SdHoareTripleChecker+Valid, 11910 SdHoareTripleChecker+Invalid, 2276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 2243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 14:00:53,927 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3281 Valid, 11910 Invalid, 2276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 2243 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 14:00:54,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118664 states. [2022-03-15 14:00:55,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118664 to 51859. [2022-03-15 14:00:55,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51859 states, 51858 states have (on average 2.748544101199429) internal successors, (142534), 51858 states have internal predecessors, (142534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:55,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51859 states to 51859 states and 142534 transitions. [2022-03-15 14:00:55,626 INFO L78 Accepts]: Start accepts. Automaton has 51859 states and 142534 transitions. Word has length 163 [2022-03-15 14:00:55,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:00:55,626 INFO L470 AbstractCegarLoop]: Abstraction has 51859 states and 142534 transitions. [2022-03-15 14:00:55,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:55,627 INFO L276 IsEmpty]: Start isEmpty. Operand 51859 states and 142534 transitions. [2022-03-15 14:00:55,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:00:55,874 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:00:55,874 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:00:55,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-03-15 14:00:55,875 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:00:55,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:00:55,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1325673540, now seen corresponding path program 26 times [2022-03-15 14:00:55,875 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:00:55,875 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338759461] [2022-03-15 14:00:55,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:00:55,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:00:55,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:00:56,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:00:56,137 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:00:56,137 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338759461] [2022-03-15 14:00:56,137 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338759461] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:00:56,138 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:00:56,138 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:00:56,138 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048548162] [2022-03-15 14:00:56,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:00:56,138 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:00:56,138 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:00:56,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:00:56,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:00:56,139 INFO L87 Difference]: Start difference. First operand 51859 states and 142534 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:00:58,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:00:58,781 INFO L93 Difference]: Finished difference Result 124702 states and 343308 transitions. [2022-03-15 14:00:58,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-15 14:00:58,782 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:00:58,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:00:59,051 INFO L225 Difference]: With dead ends: 124702 [2022-03-15 14:00:59,052 INFO L226 Difference]: Without dead ends: 124297 [2022-03-15 14:00:59,052 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1029 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=734, Invalid=3048, Unknown=0, NotChecked=0, Total=3782 [2022-03-15 14:00:59,052 INFO L933 BasicCegarLoop]: 992 mSDtfsCounter, 3265 mSDsluCounter, 11999 mSDsCounter, 0 mSdLazyCounter, 2443 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3265 SdHoareTripleChecker+Valid, 12879 SdHoareTripleChecker+Invalid, 2477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 14:00:59,053 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3265 Valid, 12879 Invalid, 2477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2443 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 14:00:59,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124297 states. [2022-03-15 14:01:00,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124297 to 52067. [2022-03-15 14:01:00,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52067 states, 52066 states have (on average 2.7475511850343795) internal successors, (143054), 52066 states have internal predecessors, (143054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:00,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52067 states to 52067 states and 143054 transitions. [2022-03-15 14:01:00,784 INFO L78 Accepts]: Start accepts. Automaton has 52067 states and 143054 transitions. Word has length 163 [2022-03-15 14:01:00,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:01:00,784 INFO L470 AbstractCegarLoop]: Abstraction has 52067 states and 143054 transitions. [2022-03-15 14:01:00,784 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:00,784 INFO L276 IsEmpty]: Start isEmpty. Operand 52067 states and 143054 transitions. [2022-03-15 14:01:00,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:01:00,839 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:01:00,839 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:01:00,839 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-03-15 14:01:00,840 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:01:00,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:01:00,840 INFO L85 PathProgramCache]: Analyzing trace with hash 278360420, now seen corresponding path program 27 times [2022-03-15 14:01:00,840 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:01:00,840 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414544219] [2022-03-15 14:01:00,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:01:00,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:01:00,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:01:01,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:01:01,098 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:01:01,098 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414544219] [2022-03-15 14:01:01,098 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414544219] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:01:01,099 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:01:01,099 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:01:01,099 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525682551] [2022-03-15 14:01:01,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:01:01,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:01:01,099 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:01:01,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:01:01,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:01:01,100 INFO L87 Difference]: Start difference. First operand 52067 states and 143054 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:03,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:01:03,916 INFO L93 Difference]: Finished difference Result 124016 states and 341748 transitions. [2022-03-15 14:01:03,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-15 14:01:03,917 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:01:03,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:01:04,199 INFO L225 Difference]: With dead ends: 124016 [2022-03-15 14:01:04,199 INFO L226 Difference]: Without dead ends: 123877 [2022-03-15 14:01:04,200 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 922 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=717, Invalid=2823, Unknown=0, NotChecked=0, Total=3540 [2022-03-15 14:01:04,203 INFO L933 BasicCegarLoop]: 944 mSDtfsCounter, 3180 mSDsluCounter, 11943 mSDsCounter, 0 mSdLazyCounter, 2258 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3180 SdHoareTripleChecker+Valid, 12777 SdHoareTripleChecker+Invalid, 2305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 2258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 14:01:04,203 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3180 Valid, 12777 Invalid, 2305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 2258 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 14:01:04,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123877 states. [2022-03-15 14:01:05,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123877 to 52115. [2022-03-15 14:01:05,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52115 states, 52114 states have (on average 2.747323176113904) internal successors, (143174), 52114 states have internal predecessors, (143174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:05,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52115 states to 52115 states and 143174 transitions. [2022-03-15 14:01:05,942 INFO L78 Accepts]: Start accepts. Automaton has 52115 states and 143174 transitions. Word has length 163 [2022-03-15 14:01:05,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:01:05,942 INFO L470 AbstractCegarLoop]: Abstraction has 52115 states and 143174 transitions. [2022-03-15 14:01:05,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:05,943 INFO L276 IsEmpty]: Start isEmpty. Operand 52115 states and 143174 transitions. [2022-03-15 14:01:05,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:01:05,999 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:01:06,000 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:01:06,000 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-03-15 14:01:06,000 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:01:06,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:01:06,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1077979552, now seen corresponding path program 28 times [2022-03-15 14:01:06,000 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:01:06,000 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700411195] [2022-03-15 14:01:06,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:01:06,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:01:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:01:06,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:01:06,248 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:01:06,248 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700411195] [2022-03-15 14:01:06,248 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700411195] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:01:06,248 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:01:06,249 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:01:06,249 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415691217] [2022-03-15 14:01:06,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:01:06,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:01:06,249 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:01:06,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:01:06,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:01:06,249 INFO L87 Difference]: Start difference. First operand 52115 states and 143174 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:08,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:01:08,918 INFO L93 Difference]: Finished difference Result 123940 states and 341552 transitions. [2022-03-15 14:01:08,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-03-15 14:01:08,919 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:01:08,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:01:09,208 INFO L225 Difference]: With dead ends: 123940 [2022-03-15 14:01:09,208 INFO L226 Difference]: Without dead ends: 123774 [2022-03-15 14:01:09,216 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 747 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=632, Invalid=2448, Unknown=0, NotChecked=0, Total=3080 [2022-03-15 14:01:09,217 INFO L933 BasicCegarLoop]: 940 mSDtfsCounter, 3309 mSDsluCounter, 11595 mSDsCounter, 0 mSdLazyCounter, 2216 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3309 SdHoareTripleChecker+Valid, 12436 SdHoareTripleChecker+Invalid, 2251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 14:01:09,217 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3309 Valid, 12436 Invalid, 2251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2216 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 14:01:09,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123774 states. [2022-03-15 14:01:10,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123774 to 52079. [2022-03-15 14:01:10,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52079 states, 52078 states have (on average 2.747321325703752) internal successors, (143075), 52078 states have internal predecessors, (143075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:10,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52079 states to 52079 states and 143075 transitions. [2022-03-15 14:01:10,876 INFO L78 Accepts]: Start accepts. Automaton has 52079 states and 143075 transitions. Word has length 163 [2022-03-15 14:01:10,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:01:10,876 INFO L470 AbstractCegarLoop]: Abstraction has 52079 states and 143075 transitions. [2022-03-15 14:01:10,877 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:10,877 INFO L276 IsEmpty]: Start isEmpty. Operand 52079 states and 143075 transitions. [2022-03-15 14:01:10,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:01:10,932 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:01:10,932 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:01:10,932 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-03-15 14:01:10,932 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:01:10,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:01:10,933 INFO L85 PathProgramCache]: Analyzing trace with hash -885062360, now seen corresponding path program 29 times [2022-03-15 14:01:10,933 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:01:10,933 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911947488] [2022-03-15 14:01:10,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:01:10,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:01:10,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:01:11,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:01:11,171 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:01:11,171 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911947488] [2022-03-15 14:01:11,172 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911947488] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:01:11,172 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:01:11,172 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:01:11,172 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223052685] [2022-03-15 14:01:11,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:01:11,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:01:11,172 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:01:11,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:01:11,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:01:11,173 INFO L87 Difference]: Start difference. First operand 52079 states and 143075 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:13,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:01:13,968 INFO L93 Difference]: Finished difference Result 124261 states and 342326 transitions. [2022-03-15 14:01:13,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-03-15 14:01:13,968 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:01:13,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:01:14,238 INFO L225 Difference]: With dead ends: 124261 [2022-03-15 14:01:14,238 INFO L226 Difference]: Without dead ends: 123935 [2022-03-15 14:01:14,239 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 959 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=720, Invalid=2940, Unknown=0, NotChecked=0, Total=3660 [2022-03-15 14:01:14,239 INFO L933 BasicCegarLoop]: 965 mSDtfsCounter, 3002 mSDsluCounter, 12654 mSDsCounter, 0 mSdLazyCounter, 2441 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3002 SdHoareTripleChecker+Valid, 13499 SdHoareTripleChecker+Invalid, 2478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 2441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 14:01:14,239 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3002 Valid, 13499 Invalid, 2478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 2441 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 14:01:14,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123935 states. [2022-03-15 14:01:15,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123935 to 51911. [2022-03-15 14:01:15,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51911 states, 51910 states have (on average 2.747543825852437) internal successors, (142625), 51910 states have internal predecessors, (142625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:15,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51911 states to 51911 states and 142625 transitions. [2022-03-15 14:01:15,894 INFO L78 Accepts]: Start accepts. Automaton has 51911 states and 142625 transitions. Word has length 163 [2022-03-15 14:01:15,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:01:15,895 INFO L470 AbstractCegarLoop]: Abstraction has 51911 states and 142625 transitions. [2022-03-15 14:01:15,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:15,895 INFO L276 IsEmpty]: Start isEmpty. Operand 51911 states and 142625 transitions. [2022-03-15 14:01:15,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:01:15,946 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:01:15,947 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:01:15,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-03-15 14:01:15,947 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:01:15,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:01:15,947 INFO L85 PathProgramCache]: Analyzing trace with hash -277761852, now seen corresponding path program 30 times [2022-03-15 14:01:15,947 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:01:15,947 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759588732] [2022-03-15 14:01:15,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:01:15,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:01:15,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:01:16,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:01:16,196 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:01:16,196 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759588732] [2022-03-15 14:01:16,196 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759588732] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:01:16,196 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:01:16,196 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:01:16,196 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622453781] [2022-03-15 14:01:16,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:01:16,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:01:16,197 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:01:16,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:01:16,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:01:16,197 INFO L87 Difference]: Start difference. First operand 51911 states and 142625 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:18,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:01:18,695 INFO L93 Difference]: Finished difference Result 123252 states and 339647 transitions. [2022-03-15 14:01:18,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-15 14:01:18,695 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:01:18,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:01:19,157 INFO L225 Difference]: With dead ends: 123252 [2022-03-15 14:01:19,157 INFO L226 Difference]: Without dead ends: 123113 [2022-03-15 14:01:19,157 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 928 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=730, Invalid=2810, Unknown=0, NotChecked=0, Total=3540 [2022-03-15 14:01:19,157 INFO L933 BasicCegarLoop]: 938 mSDtfsCounter, 3441 mSDsluCounter, 11567 mSDsCounter, 0 mSdLazyCounter, 2187 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3441 SdHoareTripleChecker+Valid, 12403 SdHoareTripleChecker+Invalid, 2232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 2187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 14:01:19,158 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3441 Valid, 12403 Invalid, 2232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 2187 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 14:01:19,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123113 states. [2022-03-15 14:01:20,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123113 to 51963. [2022-03-15 14:01:20,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51963 states, 51962 states have (on average 2.747315345829645) internal successors, (142756), 51962 states have internal predecessors, (142756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:20,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51963 states to 51963 states and 142756 transitions. [2022-03-15 14:01:20,847 INFO L78 Accepts]: Start accepts. Automaton has 51963 states and 142756 transitions. Word has length 163 [2022-03-15 14:01:20,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:01:20,847 INFO L470 AbstractCegarLoop]: Abstraction has 51963 states and 142756 transitions. [2022-03-15 14:01:20,847 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:20,847 INFO L276 IsEmpty]: Start isEmpty. Operand 51963 states and 142756 transitions. [2022-03-15 14:01:20,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:01:20,895 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:01:20,895 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:01:20,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-03-15 14:01:20,895 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:01:20,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:01:20,896 INFO L85 PathProgramCache]: Analyzing trace with hash 521857280, now seen corresponding path program 31 times [2022-03-15 14:01:20,896 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:01:20,896 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932896017] [2022-03-15 14:01:20,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:01:20,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:01:20,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:01:21,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:01:21,141 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:01:21,141 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932896017] [2022-03-15 14:01:21,141 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932896017] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:01:21,141 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:01:21,141 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:01:21,141 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887400591] [2022-03-15 14:01:21,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:01:21,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:01:21,141 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:01:21,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:01:21,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:01:21,142 INFO L87 Difference]: Start difference. First operand 51963 states and 142756 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:23,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:01:23,573 INFO L93 Difference]: Finished difference Result 123224 states and 339567 transitions. [2022-03-15 14:01:23,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-03-15 14:01:23,574 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:01:23,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:01:23,856 INFO L225 Difference]: With dead ends: 123224 [2022-03-15 14:01:23,856 INFO L226 Difference]: Without dead ends: 123058 [2022-03-15 14:01:23,856 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 747 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=637, Invalid=2443, Unknown=0, NotChecked=0, Total=3080 [2022-03-15 14:01:23,857 INFO L933 BasicCegarLoop]: 934 mSDtfsCounter, 3358 mSDsluCounter, 11219 mSDsCounter, 0 mSdLazyCounter, 2149 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3358 SdHoareTripleChecker+Valid, 12060 SdHoareTripleChecker+Invalid, 2181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 14:01:23,857 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3358 Valid, 12060 Invalid, 2181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2149 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 14:01:24,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123058 states. [2022-03-15 14:01:25,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123058 to 51927. [2022-03-15 14:01:25,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51927 states, 51926 states have (on average 2.7473134845742018) internal successors, (142657), 51926 states have internal predecessors, (142657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:25,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51927 states to 51927 states and 142657 transitions. [2022-03-15 14:01:25,578 INFO L78 Accepts]: Start accepts. Automaton has 51927 states and 142657 transitions. Word has length 163 [2022-03-15 14:01:25,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:01:25,580 INFO L470 AbstractCegarLoop]: Abstraction has 51927 states and 142657 transitions. [2022-03-15 14:01:25,580 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:25,580 INFO L276 IsEmpty]: Start isEmpty. Operand 51927 states and 142657 transitions. [2022-03-15 14:01:25,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:01:25,822 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:01:25,822 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:01:25,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-03-15 14:01:25,823 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:01:25,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:01:25,839 INFO L85 PathProgramCache]: Analyzing trace with hash 241127364, now seen corresponding path program 32 times [2022-03-15 14:01:25,839 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:01:25,839 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326479659] [2022-03-15 14:01:25,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:01:25,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:01:25,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:01:26,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:01:26,083 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:01:26,083 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326479659] [2022-03-15 14:01:26,083 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326479659] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:01:26,083 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:01:26,083 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:01:26,083 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477237965] [2022-03-15 14:01:26,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:01:26,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:01:26,084 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:01:26,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:01:26,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:01:26,084 INFO L87 Difference]: Start difference. First operand 51927 states and 142657 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:28,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:01:28,766 INFO L93 Difference]: Finished difference Result 123454 states and 340093 transitions. [2022-03-15 14:01:28,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-15 14:01:28,767 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:01:28,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:01:29,052 INFO L225 Difference]: With dead ends: 123454 [2022-03-15 14:01:29,053 INFO L226 Difference]: Without dead ends: 123284 [2022-03-15 14:01:29,053 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 920 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=709, Invalid=2831, Unknown=0, NotChecked=0, Total=3540 [2022-03-15 14:01:29,053 INFO L933 BasicCegarLoop]: 958 mSDtfsCounter, 3070 mSDsluCounter, 12583 mSDsCounter, 0 mSdLazyCounter, 2385 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3070 SdHoareTripleChecker+Valid, 13420 SdHoareTripleChecker+Invalid, 2421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 2385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 14:01:29,054 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3070 Valid, 13420 Invalid, 2421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 2385 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 14:01:29,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123284 states. [2022-03-15 14:01:30,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123284 to 51915. [2022-03-15 14:01:30,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51915 states, 51914 states have (on average 2.7474669645952923) internal successors, (142632), 51914 states have internal predecessors, (142632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:30,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51915 states to 51915 states and 142632 transitions. [2022-03-15 14:01:30,744 INFO L78 Accepts]: Start accepts. Automaton has 51915 states and 142632 transitions. Word has length 163 [2022-03-15 14:01:30,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:01:30,744 INFO L470 AbstractCegarLoop]: Abstraction has 51915 states and 142632 transitions. [2022-03-15 14:01:30,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:30,744 INFO L276 IsEmpty]: Start isEmpty. Operand 51915 states and 142632 transitions. [2022-03-15 14:01:30,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:01:30,797 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:01:30,797 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:01:30,797 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-03-15 14:01:30,797 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:01:30,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:01:30,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1085879296, now seen corresponding path program 33 times [2022-03-15 14:01:30,798 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:01:30,798 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145742816] [2022-03-15 14:01:30,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:01:30,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:01:30,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:01:31,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:01:31,016 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:01:31,016 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145742816] [2022-03-15 14:01:31,016 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145742816] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:01:31,016 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:01:31,016 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:01:31,016 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631376655] [2022-03-15 14:01:31,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:01:31,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:01:31,016 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:01:31,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:01:31,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:01:31,017 INFO L87 Difference]: Start difference. First operand 51915 states and 142632 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:33,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:01:33,656 INFO L93 Difference]: Finished difference Result 122777 states and 338352 transitions. [2022-03-15 14:01:33,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-15 14:01:33,656 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:01:33,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:01:33,933 INFO L225 Difference]: With dead ends: 122777 [2022-03-15 14:01:33,933 INFO L226 Difference]: Without dead ends: 122638 [2022-03-15 14:01:33,933 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 803 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=697, Invalid=2609, Unknown=0, NotChecked=0, Total=3306 [2022-03-15 14:01:33,934 INFO L933 BasicCegarLoop]: 928 mSDtfsCounter, 3413 mSDsluCounter, 11186 mSDsCounter, 0 mSdLazyCounter, 2121 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3413 SdHoareTripleChecker+Valid, 12020 SdHoareTripleChecker+Invalid, 2171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 2121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 14:01:33,934 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3413 Valid, 12020 Invalid, 2171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 2121 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 14:01:34,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122638 states. [2022-03-15 14:01:35,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122638 to 51963. [2022-03-15 14:01:35,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51963 states, 51962 states have (on average 2.7472383664985953) internal successors, (142752), 51962 states have internal predecessors, (142752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:35,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51963 states to 51963 states and 142752 transitions. [2022-03-15 14:01:35,608 INFO L78 Accepts]: Start accepts. Automaton has 51963 states and 142752 transitions. Word has length 163 [2022-03-15 14:01:35,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:01:35,608 INFO L470 AbstractCegarLoop]: Abstraction has 51963 states and 142752 transitions. [2022-03-15 14:01:35,608 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:35,608 INFO L276 IsEmpty]: Start isEmpty. Operand 51963 states and 142752 transitions. [2022-03-15 14:01:35,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:01:35,663 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:01:35,664 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:01:35,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-03-15 14:01:35,664 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:01:35,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:01:35,664 INFO L85 PathProgramCache]: Analyzing trace with hash -286260164, now seen corresponding path program 34 times [2022-03-15 14:01:35,664 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:01:35,664 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52111826] [2022-03-15 14:01:35,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:01:35,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:01:35,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:01:35,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:01:35,900 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:01:35,900 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52111826] [2022-03-15 14:01:35,900 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52111826] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:01:35,900 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:01:35,900 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:01:35,901 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481584768] [2022-03-15 14:01:35,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:01:35,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:01:35,901 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:01:35,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:01:35,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:01:35,901 INFO L87 Difference]: Start difference. First operand 51963 states and 142752 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:38,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:01:38,355 INFO L93 Difference]: Finished difference Result 122768 states and 338322 transitions. [2022-03-15 14:01:38,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-03-15 14:01:38,355 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:01:38,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:01:38,809 INFO L225 Difference]: With dead ends: 122768 [2022-03-15 14:01:38,809 INFO L226 Difference]: Without dead ends: 122602 [2022-03-15 14:01:38,810 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 761 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=643, Invalid=2549, Unknown=0, NotChecked=0, Total=3192 [2022-03-15 14:01:38,810 INFO L933 BasicCegarLoop]: 943 mSDtfsCounter, 3368 mSDsluCounter, 11968 mSDsCounter, 0 mSdLazyCounter, 2175 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3368 SdHoareTripleChecker+Valid, 12789 SdHoareTripleChecker+Invalid, 2207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 14:01:38,810 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3368 Valid, 12789 Invalid, 2207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2175 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 14:01:39,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122602 states. [2022-03-15 14:01:40,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122602 to 51927. [2022-03-15 14:01:40,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51927 states, 51926 states have (on average 2.7472364518738206) internal successors, (142653), 51926 states have internal predecessors, (142653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:40,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51927 states to 51927 states and 142653 transitions. [2022-03-15 14:01:40,449 INFO L78 Accepts]: Start accepts. Automaton has 51927 states and 142653 transitions. Word has length 163 [2022-03-15 14:01:40,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:01:40,449 INFO L470 AbstractCegarLoop]: Abstraction has 51927 states and 142653 transitions. [2022-03-15 14:01:40,450 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:40,450 INFO L276 IsEmpty]: Start isEmpty. Operand 51927 states and 142653 transitions. [2022-03-15 14:01:40,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:01:40,501 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:01:40,502 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:01:40,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-03-15 14:01:40,502 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:01:40,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:01:40,502 INFO L85 PathProgramCache]: Analyzing trace with hash -17625148, now seen corresponding path program 35 times [2022-03-15 14:01:40,502 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:01:40,502 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535956348] [2022-03-15 14:01:40,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:01:40,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:01:40,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:01:40,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:01:40,735 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:01:40,735 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535956348] [2022-03-15 14:01:40,735 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535956348] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:01:40,735 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:01:40,735 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:01:40,735 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454898681] [2022-03-15 14:01:40,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:01:40,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:01:40,736 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:01:40,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:01:40,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:01:40,736 INFO L87 Difference]: Start difference. First operand 51927 states and 142653 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:43,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:01:43,147 INFO L93 Difference]: Finished difference Result 122599 states and 337929 transitions. [2022-03-15 14:01:43,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-03-15 14:01:43,147 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:01:43,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:01:43,434 INFO L225 Difference]: With dead ends: 122599 [2022-03-15 14:01:43,434 INFO L226 Difference]: Without dead ends: 122329 [2022-03-15 14:01:43,435 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 723 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=608, Invalid=2472, Unknown=0, NotChecked=0, Total=3080 [2022-03-15 14:01:43,435 INFO L933 BasicCegarLoop]: 966 mSDtfsCounter, 3362 mSDsluCounter, 11720 mSDsCounter, 0 mSdLazyCounter, 2180 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3362 SdHoareTripleChecker+Valid, 12570 SdHoareTripleChecker+Invalid, 2211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 2180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 14:01:43,435 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3362 Valid, 12570 Invalid, 2211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 2180 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 14:01:43,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122329 states. [2022-03-15 14:01:44,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122329 to 51803. [2022-03-15 14:01:45,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51803 states, 51802 states have (on average 2.7486197444114127) internal successors, (142384), 51802 states have internal predecessors, (142384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:45,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51803 states to 51803 states and 142384 transitions. [2022-03-15 14:01:45,336 INFO L78 Accepts]: Start accepts. Automaton has 51803 states and 142384 transitions. Word has length 163 [2022-03-15 14:01:45,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:01:45,336 INFO L470 AbstractCegarLoop]: Abstraction has 51803 states and 142384 transitions. [2022-03-15 14:01:45,336 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:45,336 INFO L276 IsEmpty]: Start isEmpty. Operand 51803 states and 142384 transitions. [2022-03-15 14:01:45,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:01:45,387 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:01:45,387 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:01:45,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-03-15 14:01:45,387 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:01:45,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:01:45,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1935848428, now seen corresponding path program 36 times [2022-03-15 14:01:45,388 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:01:45,388 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015240692] [2022-03-15 14:01:45,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:01:45,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:01:45,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:01:45,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:01:45,642 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:01:45,642 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015240692] [2022-03-15 14:01:45,642 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015240692] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:01:45,642 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:01:45,642 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:01:45,642 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821195492] [2022-03-15 14:01:45,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:01:45,642 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:01:45,642 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:01:45,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:01:45,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:01:45,643 INFO L87 Difference]: Start difference. First operand 51803 states and 142384 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:47,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:01:47,858 INFO L93 Difference]: Finished difference Result 119493 states and 328919 transitions. [2022-03-15 14:01:47,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-03-15 14:01:47,859 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:01:47,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:01:48,140 INFO L225 Difference]: With dead ends: 119493 [2022-03-15 14:01:48,140 INFO L226 Difference]: Without dead ends: 119012 [2022-03-15 14:01:48,141 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 669 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=557, Invalid=2305, Unknown=0, NotChecked=0, Total=2862 [2022-03-15 14:01:48,141 INFO L933 BasicCegarLoop]: 946 mSDtfsCounter, 3031 mSDsluCounter, 11953 mSDsCounter, 0 mSdLazyCounter, 2037 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3031 SdHoareTripleChecker+Valid, 12784 SdHoareTripleChecker+Invalid, 2070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 2037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 14:01:48,141 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3031 Valid, 12784 Invalid, 2070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 2037 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 14:01:48,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119012 states. [2022-03-15 14:01:49,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119012 to 51851. [2022-03-15 14:01:49,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51851 states, 51850 states have (on average 2.7483895853423337) internal successors, (142504), 51850 states have internal predecessors, (142504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:49,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51851 states to 51851 states and 142504 transitions. [2022-03-15 14:01:49,925 INFO L78 Accepts]: Start accepts. Automaton has 51851 states and 142504 transitions. Word has length 163 [2022-03-15 14:01:49,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:01:49,925 INFO L470 AbstractCegarLoop]: Abstraction has 51851 states and 142504 transitions. [2022-03-15 14:01:49,925 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:49,926 INFO L276 IsEmpty]: Start isEmpty. Operand 51851 states and 142504 transitions. [2022-03-15 14:01:49,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:01:49,979 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:01:49,979 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:01:49,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-03-15 14:01:49,980 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:01:49,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:01:49,980 INFO L85 PathProgramCache]: Analyzing trace with hash 800845134, now seen corresponding path program 37 times [2022-03-15 14:01:49,980 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:01:49,980 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792628135] [2022-03-15 14:01:49,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:01:49,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:01:50,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:01:50,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:01:50,246 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:01:50,247 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792628135] [2022-03-15 14:01:50,247 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792628135] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:01:50,247 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:01:50,247 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:01:50,247 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226442778] [2022-03-15 14:01:50,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:01:50,247 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:01:50,247 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:01:50,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:01:50,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:01:50,248 INFO L87 Difference]: Start difference. First operand 51851 states and 142504 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:52,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:01:52,859 INFO L93 Difference]: Finished difference Result 121174 states and 333218 transitions. [2022-03-15 14:01:52,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-03-15 14:01:52,859 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:01:52,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:01:53,119 INFO L225 Difference]: With dead ends: 121174 [2022-03-15 14:01:53,120 INFO L226 Difference]: Without dead ends: 120750 [2022-03-15 14:01:53,120 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 737 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=590, Invalid=2490, Unknown=0, NotChecked=0, Total=3080 [2022-03-15 14:01:53,120 INFO L933 BasicCegarLoop]: 938 mSDtfsCounter, 3166 mSDsluCounter, 11967 mSDsCounter, 0 mSdLazyCounter, 2183 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3166 SdHoareTripleChecker+Valid, 12786 SdHoareTripleChecker+Invalid, 2217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 14:01:53,121 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3166 Valid, 12786 Invalid, 2217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2183 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 14:01:53,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120750 states. [2022-03-15 14:01:54,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120750 to 51863. [2022-03-15 14:01:54,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51863 states, 51862 states have (on average 2.748312830203232) internal successors, (142533), 51862 states have internal predecessors, (142533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:54,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51863 states to 51863 states and 142533 transitions. [2022-03-15 14:01:54,873 INFO L78 Accepts]: Start accepts. Automaton has 51863 states and 142533 transitions. Word has length 163 [2022-03-15 14:01:54,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:01:54,874 INFO L470 AbstractCegarLoop]: Abstraction has 51863 states and 142533 transitions. [2022-03-15 14:01:54,874 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:54,874 INFO L276 IsEmpty]: Start isEmpty. Operand 51863 states and 142533 transitions. [2022-03-15 14:01:54,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:01:54,931 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:01:54,931 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:01:54,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-03-15 14:01:54,931 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:01:54,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:01:54,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1638965852, now seen corresponding path program 38 times [2022-03-15 14:01:54,932 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:01:54,932 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780775362] [2022-03-15 14:01:54,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:01:54,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:01:54,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:01:55,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:01:55,166 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:01:55,166 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780775362] [2022-03-15 14:01:55,166 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780775362] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:01:55,166 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:01:55,166 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:01:55,167 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814226183] [2022-03-15 14:01:55,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:01:55,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:01:55,167 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:01:55,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:01:55,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:01:55,167 INFO L87 Difference]: Start difference. First operand 51863 states and 142533 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:57,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:01:57,501 INFO L93 Difference]: Finished difference Result 120744 states and 332194 transitions. [2022-03-15 14:01:57,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-15 14:01:57,502 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:01:57,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:01:57,945 INFO L225 Difference]: With dead ends: 120744 [2022-03-15 14:01:57,946 INFO L226 Difference]: Without dead ends: 120339 [2022-03-15 14:01:57,946 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 816 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=613, Invalid=2693, Unknown=0, NotChecked=0, Total=3306 [2022-03-15 14:01:57,946 INFO L933 BasicCegarLoop]: 943 mSDtfsCounter, 2962 mSDsluCounter, 12045 mSDsCounter, 0 mSdLazyCounter, 2198 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2962 SdHoareTripleChecker+Valid, 12867 SdHoareTripleChecker+Invalid, 2231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 2198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 14:01:57,946 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2962 Valid, 12867 Invalid, 2231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 2198 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 14:01:58,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120339 states. [2022-03-15 14:01:59,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120339 to 52019. [2022-03-15 14:01:59,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52019 states, 52018 states have (on average 2.7473182359952326) internal successors, (142910), 52018 states have internal predecessors, (142910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:59,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52019 states to 52019 states and 142910 transitions. [2022-03-15 14:01:59,609 INFO L78 Accepts]: Start accepts. Automaton has 52019 states and 142910 transitions. Word has length 163 [2022-03-15 14:01:59,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:01:59,609 INFO L470 AbstractCegarLoop]: Abstraction has 52019 states and 142910 transitions. [2022-03-15 14:01:59,609 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:01:59,609 INFO L276 IsEmpty]: Start isEmpty. Operand 52019 states and 142910 transitions. [2022-03-15 14:01:59,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:01:59,661 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:01:59,661 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:01:59,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-03-15 14:01:59,661 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:01:59,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:01:59,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1608688324, now seen corresponding path program 39 times [2022-03-15 14:01:59,662 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:01:59,662 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958528047] [2022-03-15 14:01:59,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:01:59,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:01:59,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:01:59,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:01:59,900 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:01:59,900 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958528047] [2022-03-15 14:01:59,900 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958528047] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:01:59,900 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:01:59,900 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:01:59,900 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295082004] [2022-03-15 14:01:59,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:01:59,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:01:59,901 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:01:59,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:01:59,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:01:59,901 INFO L87 Difference]: Start difference. First operand 52019 states and 142910 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:02:02,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:02:02,096 INFO L93 Difference]: Finished difference Result 119361 states and 328794 transitions. [2022-03-15 14:02:02,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-03-15 14:02:02,096 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:02:02,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:02:02,357 INFO L225 Difference]: With dead ends: 119361 [2022-03-15 14:02:02,357 INFO L226 Difference]: Without dead ends: 119222 [2022-03-15 14:02:02,357 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 680 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=583, Invalid=2387, Unknown=0, NotChecked=0, Total=2970 [2022-03-15 14:02:02,358 INFO L933 BasicCegarLoop]: 891 mSDtfsCounter, 2591 mSDsluCounter, 11865 mSDsCounter, 0 mSdLazyCounter, 2022 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2591 SdHoareTripleChecker+Valid, 12648 SdHoareTripleChecker+Invalid, 2068 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 2022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 14:02:02,358 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2591 Valid, 12648 Invalid, 2068 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 2022 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 14:02:02,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119222 states. [2022-03-15 14:02:03,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119222 to 52067. [2022-03-15 14:02:03,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52067 states, 52066 states have (on average 2.747090231629086) internal successors, (143030), 52066 states have internal predecessors, (143030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:02:04,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52067 states to 52067 states and 143030 transitions. [2022-03-15 14:02:04,032 INFO L78 Accepts]: Start accepts. Automaton has 52067 states and 143030 transitions. Word has length 163 [2022-03-15 14:02:04,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:02:04,032 INFO L470 AbstractCegarLoop]: Abstraction has 52067 states and 143030 transitions. [2022-03-15 14:02:04,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:02:04,032 INFO L276 IsEmpty]: Start isEmpty. Operand 52067 states and 143030 transitions. [2022-03-15 14:02:04,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:02:04,089 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:02:04,090 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:02:04,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-03-15 14:02:04,090 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:02:04,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:02:04,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1886659840, now seen corresponding path program 40 times [2022-03-15 14:02:04,090 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:02:04,090 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054953864] [2022-03-15 14:02:04,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:02:04,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:02:04,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:02:04,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:02:04,322 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:02:04,322 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054953864] [2022-03-15 14:02:04,322 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054953864] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:02:04,322 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:02:04,323 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:02:04,323 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131775385] [2022-03-15 14:02:04,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:02:04,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:02:04,323 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:02:04,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:02:04,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:02:04,324 INFO L87 Difference]: Start difference. First operand 52067 states and 143030 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:02:06,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:02:06,660 INFO L93 Difference]: Finished difference Result 119285 states and 328598 transitions. [2022-03-15 14:02:06,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-15 14:02:06,661 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:02:06,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:02:06,918 INFO L225 Difference]: With dead ends: 119285 [2022-03-15 14:02:06,918 INFO L226 Difference]: Without dead ends: 119119 [2022-03-15 14:02:06,918 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 534 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=519, Invalid=2031, Unknown=0, NotChecked=0, Total=2550 [2022-03-15 14:02:06,919 INFO L933 BasicCegarLoop]: 887 mSDtfsCounter, 2949 mSDsluCounter, 11085 mSDsCounter, 0 mSdLazyCounter, 1883 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2949 SdHoareTripleChecker+Valid, 11883 SdHoareTripleChecker+Invalid, 1918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 14:02:06,919 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2949 Valid, 11883 Invalid, 1918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1883 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 14:02:07,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119119 states. [2022-03-15 14:02:08,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119119 to 52031. [2022-03-15 14:02:08,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52031 states, 52030 states have (on average 2.7470882183355756) internal successors, (142931), 52030 states have internal predecessors, (142931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:02:08,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52031 states to 52031 states and 142931 transitions. [2022-03-15 14:02:08,563 INFO L78 Accepts]: Start accepts. Automaton has 52031 states and 142931 transitions. Word has length 163 [2022-03-15 14:02:08,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:02:08,564 INFO L470 AbstractCegarLoop]: Abstraction has 52031 states and 142931 transitions. [2022-03-15 14:02:08,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:02:08,564 INFO L276 IsEmpty]: Start isEmpty. Operand 52031 states and 142931 transitions. [2022-03-15 14:02:08,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:02:08,615 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:02:08,615 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:02:08,616 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-03-15 14:02:08,616 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:02:08,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:02:08,616 INFO L85 PathProgramCache]: Analyzing trace with hash 445265544, now seen corresponding path program 41 times [2022-03-15 14:02:08,616 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:02:08,616 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614424676] [2022-03-15 14:02:08,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:02:08,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:02:08,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:02:08,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:02:08,859 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:02:08,859 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614424676] [2022-03-15 14:02:08,859 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614424676] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:02:08,859 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:02:08,859 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:02:08,859 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501905598] [2022-03-15 14:02:08,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:02:08,859 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:02:08,859 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:02:08,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:02:08,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:02:08,860 INFO L87 Difference]: Start difference. First operand 52031 states and 142931 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:02:11,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:02:11,162 INFO L93 Difference]: Finished difference Result 119606 states and 329372 transitions. [2022-03-15 14:02:11,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-03-15 14:02:11,162 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:02:11,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:02:11,410 INFO L225 Difference]: With dead ends: 119606 [2022-03-15 14:02:11,411 INFO L226 Difference]: Without dead ends: 119232 [2022-03-15 14:02:11,411 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 680 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=567, Invalid=2403, Unknown=0, NotChecked=0, Total=2970 [2022-03-15 14:02:11,411 INFO L933 BasicCegarLoop]: 916 mSDtfsCounter, 3025 mSDsluCounter, 11361 mSDsCounter, 0 mSdLazyCounter, 1993 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3025 SdHoareTripleChecker+Valid, 12172 SdHoareTripleChecker+Invalid, 2027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 14:02:11,412 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3025 Valid, 12172 Invalid, 2027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1993 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 14:02:11,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119232 states. [2022-03-15 14:02:12,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119232 to 51815. [2022-03-15 14:02:12,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51815 states, 51814 states have (on average 2.748388466437642) internal successors, (142405), 51814 states have internal predecessors, (142405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:02:13,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51815 states to 51815 states and 142405 transitions. [2022-03-15 14:02:13,079 INFO L78 Accepts]: Start accepts. Automaton has 51815 states and 142405 transitions. Word has length 163 [2022-03-15 14:02:13,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:02:13,079 INFO L470 AbstractCegarLoop]: Abstraction has 51815 states and 142405 transitions. [2022-03-15 14:02:13,079 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:02:13,079 INFO L276 IsEmpty]: Start isEmpty. Operand 51815 states and 142405 transitions. [2022-03-15 14:02:13,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:02:13,325 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:02:13,325 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:02:13,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-03-15 14:02:13,331 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:02:13,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:02:13,332 INFO L85 PathProgramCache]: Analyzing trace with hash 78101186, now seen corresponding path program 42 times [2022-03-15 14:02:13,332 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:02:13,332 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836135490] [2022-03-15 14:02:13,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:02:13,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:02:13,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:02:13,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:02:13,586 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:02:13,586 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836135490] [2022-03-15 14:02:13,586 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836135490] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:02:13,586 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:02:13,586 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:02:13,586 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341778817] [2022-03-15 14:02:13,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:02:13,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:02:13,587 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:02:13,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:02:13,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:02:13,587 INFO L87 Difference]: Start difference. First operand 51815 states and 142405 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:02:15,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:02:15,962 INFO L93 Difference]: Finished difference Result 125436 states and 345172 transitions. [2022-03-15 14:02:15,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-03-15 14:02:15,963 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:02:15,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:02:16,240 INFO L225 Difference]: With dead ends: 125436 [2022-03-15 14:02:16,240 INFO L226 Difference]: Without dead ends: 125012 [2022-03-15 14:02:16,241 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 767 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=612, Invalid=2468, Unknown=0, NotChecked=0, Total=3080 [2022-03-15 14:02:16,241 INFO L933 BasicCegarLoop]: 949 mSDtfsCounter, 3402 mSDsluCounter, 11909 mSDsCounter, 0 mSdLazyCounter, 2236 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3402 SdHoareTripleChecker+Valid, 12742 SdHoareTripleChecker+Invalid, 2270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 14:02:16,241 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3402 Valid, 12742 Invalid, 2270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2236 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 14:02:16,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125012 states. [2022-03-15 14:02:17,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125012 to 51831. [2022-03-15 14:02:18,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51831 states, 51830 states have (on average 2.748311788539456) internal successors, (142445), 51830 states have internal predecessors, (142445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:02:18,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51831 states to 51831 states and 142445 transitions. [2022-03-15 14:02:18,194 INFO L78 Accepts]: Start accepts. Automaton has 51831 states and 142445 transitions. Word has length 163 [2022-03-15 14:02:18,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:02:18,197 INFO L470 AbstractCegarLoop]: Abstraction has 51831 states and 142445 transitions. [2022-03-15 14:02:18,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:02:18,197 INFO L276 IsEmpty]: Start isEmpty. Operand 51831 states and 142445 transitions. [2022-03-15 14:02:18,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:02:18,270 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:02:18,270 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:02:18,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-03-15 14:02:18,271 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:02:18,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:02:18,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1933257496, now seen corresponding path program 43 times [2022-03-15 14:02:18,271 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:02:18,271 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142035266] [2022-03-15 14:02:18,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:02:18,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:02:18,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:02:18,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:02:18,702 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:02:18,702 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142035266] [2022-03-15 14:02:18,702 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142035266] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:02:18,703 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:02:18,703 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:02:18,703 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032030425] [2022-03-15 14:02:18,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:02:18,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:02:18,703 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:02:18,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:02:18,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:02:18,704 INFO L87 Difference]: Start difference. First operand 51831 states and 142445 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:02:21,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:02:21,547 INFO L93 Difference]: Finished difference Result 126270 states and 347466 transitions. [2022-03-15 14:02:21,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-15 14:02:21,547 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:02:21,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:02:21,999 INFO L225 Difference]: With dead ends: 126270 [2022-03-15 14:02:21,999 INFO L226 Difference]: Without dead ends: 125865 [2022-03-15 14:02:22,000 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 927 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=676, Invalid=2864, Unknown=0, NotChecked=0, Total=3540 [2022-03-15 14:02:22,000 INFO L933 BasicCegarLoop]: 949 mSDtfsCounter, 3453 mSDsluCounter, 11638 mSDsCounter, 0 mSdLazyCounter, 2217 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3453 SdHoareTripleChecker+Valid, 12486 SdHoareTripleChecker+Invalid, 2254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 2217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 14:02:22,000 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3453 Valid, 12486 Invalid, 2254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 2217 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 14:02:22,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125865 states. [2022-03-15 14:02:23,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125865 to 51987. [2022-03-15 14:02:23,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51987 states, 51986 states have (on average 2.7473165852344863) internal successors, (142822), 51986 states have internal predecessors, (142822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:02:23,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51987 states to 51987 states and 142822 transitions. [2022-03-15 14:02:23,607 INFO L78 Accepts]: Start accepts. Automaton has 51987 states and 142822 transitions. Word has length 163 [2022-03-15 14:02:23,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:02:23,608 INFO L470 AbstractCegarLoop]: Abstraction has 51987 states and 142822 transitions. [2022-03-15 14:02:23,608 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:02:23,608 INFO L276 IsEmpty]: Start isEmpty. Operand 51987 states and 142822 transitions. [2022-03-15 14:02:23,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:02:23,660 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:02:23,660 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:02:23,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-03-15 14:02:23,660 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:02:23,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:02:23,660 INFO L85 PathProgramCache]: Analyzing trace with hash 885944376, now seen corresponding path program 44 times [2022-03-15 14:02:23,660 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:02:23,661 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497712417] [2022-03-15 14:02:23,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:02:23,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:02:23,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:02:23,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:02:23,906 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:02:23,906 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497712417] [2022-03-15 14:02:23,906 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497712417] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:02:23,906 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:02:23,907 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:02:23,907 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532898355] [2022-03-15 14:02:23,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:02:23,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:02:23,907 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:02:23,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:02:23,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:02:23,907 INFO L87 Difference]: Start difference. First operand 51987 states and 142822 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:02:26,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:02:26,326 INFO L93 Difference]: Finished difference Result 124887 states and 344066 transitions. [2022-03-15 14:02:26,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-15 14:02:26,326 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:02:26,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:02:26,585 INFO L225 Difference]: With dead ends: 124887 [2022-03-15 14:02:26,585 INFO L226 Difference]: Without dead ends: 124748 [2022-03-15 14:02:26,585 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 790 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=640, Invalid=2552, Unknown=0, NotChecked=0, Total=3192 [2022-03-15 14:02:26,586 INFO L933 BasicCegarLoop]: 902 mSDtfsCounter, 3024 mSDsluCounter, 11331 mSDsCounter, 0 mSdLazyCounter, 2069 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3024 SdHoareTripleChecker+Valid, 12140 SdHoareTripleChecker+Invalid, 2115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 2069 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 14:02:26,586 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3024 Valid, 12140 Invalid, 2115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 2069 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 14:02:26,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124748 states. [2022-03-15 14:02:28,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124748 to 52035. [2022-03-15 14:02:28,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52035 states, 52034 states have (on average 2.7470884421724255) internal successors, (142942), 52034 states have internal predecessors, (142942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:02:28,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52035 states to 52035 states and 142942 transitions. [2022-03-15 14:02:28,491 INFO L78 Accepts]: Start accepts. Automaton has 52035 states and 142942 transitions. Word has length 163 [2022-03-15 14:02:28,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:02:28,491 INFO L470 AbstractCegarLoop]: Abstraction has 52035 states and 142942 transitions. [2022-03-15 14:02:28,491 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:02:28,491 INFO L276 IsEmpty]: Start isEmpty. Operand 52035 states and 142942 transitions. [2022-03-15 14:02:28,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:02:28,545 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:02:28,545 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:02:28,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-03-15 14:02:28,545 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:02:28,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:02:28,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1685563508, now seen corresponding path program 45 times [2022-03-15 14:02:28,546 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:02:28,546 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786601089] [2022-03-15 14:02:28,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:02:28,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:02:28,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:02:28,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:02:28,785 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:02:28,785 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786601089] [2022-03-15 14:02:28,785 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786601089] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:02:28,785 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:02:28,785 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:02:28,785 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868304983] [2022-03-15 14:02:28,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:02:28,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:02:28,786 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:02:28,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:02:28,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:02:28,786 INFO L87 Difference]: Start difference. First operand 52035 states and 142942 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:02:30,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:02:30,980 INFO L93 Difference]: Finished difference Result 124811 states and 343870 transitions. [2022-03-15 14:02:30,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-15 14:02:30,981 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:02:30,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:02:31,245 INFO L225 Difference]: With dead ends: 124811 [2022-03-15 14:02:31,246 INFO L226 Difference]: Without dead ends: 124645 [2022-03-15 14:02:31,246 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 628 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=566, Invalid=2190, Unknown=0, NotChecked=0, Total=2756 [2022-03-15 14:02:31,246 INFO L933 BasicCegarLoop]: 898 mSDtfsCounter, 2760 mSDsluCounter, 11767 mSDsCounter, 0 mSdLazyCounter, 2155 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2760 SdHoareTripleChecker+Valid, 12571 SdHoareTripleChecker+Invalid, 2189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 14:02:31,246 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2760 Valid, 12571 Invalid, 2189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2155 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 14:02:31,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124645 states. [2022-03-15 14:02:32,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124645 to 51999. [2022-03-15 14:02:32,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51999 states, 51998 states have (on average 2.7470864264010153) internal successors, (142843), 51998 states have internal predecessors, (142843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:02:32,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51999 states to 51999 states and 142843 transitions. [2022-03-15 14:02:32,938 INFO L78 Accepts]: Start accepts. Automaton has 51999 states and 142843 transitions. Word has length 163 [2022-03-15 14:02:32,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:02:32,938 INFO L470 AbstractCegarLoop]: Abstraction has 51999 states and 142843 transitions. [2022-03-15 14:02:32,938 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:02:32,938 INFO L276 IsEmpty]: Start isEmpty. Operand 51999 states and 142843 transitions. [2022-03-15 14:02:32,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:02:32,989 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:02:32,990 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:02:32,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-03-15 14:02:32,990 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:02:32,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:02:32,990 INFO L85 PathProgramCache]: Analyzing trace with hash -277478404, now seen corresponding path program 46 times [2022-03-15 14:02:32,990 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:02:32,990 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667863221] [2022-03-15 14:02:32,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:02:32,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:02:33,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:02:33,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:02:33,221 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:02:33,221 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667863221] [2022-03-15 14:02:33,221 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667863221] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:02:33,221 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:02:33,221 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:02:33,222 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70088772] [2022-03-15 14:02:33,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:02:33,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:02:33,222 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:02:33,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:02:33,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:02:33,222 INFO L87 Difference]: Start difference. First operand 51999 states and 142843 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:02:35,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:02:35,757 INFO L93 Difference]: Finished difference Result 125132 states and 344644 transitions. [2022-03-15 14:02:35,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-03-15 14:02:35,758 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:02:35,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:02:36,008 INFO L225 Difference]: With dead ends: 125132 [2022-03-15 14:02:36,008 INFO L226 Difference]: Without dead ends: 124794 [2022-03-15 14:02:36,009 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 786 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=625, Invalid=2567, Unknown=0, NotChecked=0, Total=3192 [2022-03-15 14:02:36,009 INFO L933 BasicCegarLoop]: 927 mSDtfsCounter, 3047 mSDsluCounter, 11539 mSDsCounter, 0 mSdLazyCounter, 2154 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3047 SdHoareTripleChecker+Valid, 12363 SdHoareTripleChecker+Invalid, 2189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 14:02:36,009 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3047 Valid, 12363 Invalid, 2189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2154 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 14:02:36,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124794 states. [2022-03-15 14:02:37,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124794 to 51819. [2022-03-15 14:02:37,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51819 states, 51818 states have (on average 2.7483113975838513) internal successors, (142412), 51818 states have internal predecessors, (142412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:02:37,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51819 states to 51819 states and 142412 transitions. [2022-03-15 14:02:37,629 INFO L78 Accepts]: Start accepts. Automaton has 51819 states and 142412 transitions. Word has length 163 [2022-03-15 14:02:37,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:02:37,630 INFO L470 AbstractCegarLoop]: Abstraction has 51819 states and 142412 transitions. [2022-03-15 14:02:37,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:02:37,630 INFO L276 IsEmpty]: Start isEmpty. Operand 51819 states and 142412 transitions. [2022-03-15 14:02:37,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:02:37,680 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:02:37,680 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:02:37,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-03-15 14:02:37,680 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:02:37,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:02:37,680 INFO L85 PathProgramCache]: Analyzing trace with hash 981107552, now seen corresponding path program 47 times [2022-03-15 14:02:37,680 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:02:37,680 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388420786] [2022-03-15 14:02:37,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:02:37,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:02:37,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:02:37,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:02:37,907 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:02:37,907 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388420786] [2022-03-15 14:02:37,907 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388420786] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:02:37,907 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:02:37,907 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:02:37,907 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135718310] [2022-03-15 14:02:37,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:02:37,908 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:02:37,908 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:02:37,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:02:37,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:02:37,908 INFO L87 Difference]: Start difference. First operand 51819 states and 142412 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:02:40,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:02:40,667 INFO L93 Difference]: Finished difference Result 125410 states and 345250 transitions. [2022-03-15 14:02:40,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-15 14:02:40,667 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:02:40,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:02:40,924 INFO L225 Difference]: With dead ends: 125410 [2022-03-15 14:02:40,924 INFO L226 Difference]: Without dead ends: 125005 [2022-03-15 14:02:40,925 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 992 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=703, Invalid=2957, Unknown=0, NotChecked=0, Total=3660 [2022-03-15 14:02:40,925 INFO L933 BasicCegarLoop]: 971 mSDtfsCounter, 3379 mSDsluCounter, 11775 mSDsCounter, 0 mSdLazyCounter, 2213 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3379 SdHoareTripleChecker+Valid, 12642 SdHoareTripleChecker+Invalid, 2249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 2213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 14:02:40,925 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3379 Valid, 12642 Invalid, 2249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 2213 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 14:02:41,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125005 states. [2022-03-15 14:02:42,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125005 to 52027. [2022-03-15 14:02:42,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52027 states, 52026 states have (on average 2.7473186483681236) internal successors, (142932), 52026 states have internal predecessors, (142932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:02:42,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52027 states to 52027 states and 142932 transitions. [2022-03-15 14:02:42,505 INFO L78 Accepts]: Start accepts. Automaton has 52027 states and 142932 transitions. Word has length 163 [2022-03-15 14:02:42,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:02:42,505 INFO L470 AbstractCegarLoop]: Abstraction has 52027 states and 142932 transitions. [2022-03-15 14:02:42,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:02:42,505 INFO L276 IsEmpty]: Start isEmpty. Operand 52027 states and 142932 transitions. [2022-03-15 14:02:42,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:02:42,556 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:02:42,556 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:02:42,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-03-15 14:02:42,556 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:02:42,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:02:42,556 INFO L85 PathProgramCache]: Analyzing trace with hash -66205568, now seen corresponding path program 48 times [2022-03-15 14:02:42,557 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:02:42,557 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326537992] [2022-03-15 14:02:42,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:02:42,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:02:42,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:02:42,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:02:42,789 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:02:42,789 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326537992] [2022-03-15 14:02:42,789 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326537992] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:02:42,789 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:02:42,790 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:02:42,790 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952512336] [2022-03-15 14:02:42,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:02:42,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:02:42,790 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:02:42,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:02:42,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:02:42,791 INFO L87 Difference]: Start difference. First operand 52027 states and 142932 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:02:45,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:02:45,177 INFO L93 Difference]: Finished difference Result 124724 states and 343690 transitions. [2022-03-15 14:02:45,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-15 14:02:45,178 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:02:45,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:02:45,605 INFO L225 Difference]: With dead ends: 124724 [2022-03-15 14:02:45,605 INFO L226 Difference]: Without dead ends: 124585 [2022-03-15 14:02:45,605 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 886 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=685, Invalid=2737, Unknown=0, NotChecked=0, Total=3422 [2022-03-15 14:02:45,606 INFO L933 BasicCegarLoop]: 923 mSDtfsCounter, 3071 mSDsluCounter, 11276 mSDsCounter, 0 mSdLazyCounter, 2049 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3071 SdHoareTripleChecker+Valid, 12110 SdHoareTripleChecker+Invalid, 2099 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 2049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 14:02:45,606 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3071 Valid, 12110 Invalid, 2099 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [50 Valid, 2049 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 14:02:45,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124585 states. [2022-03-15 14:02:46,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124585 to 52075. [2022-03-15 14:02:46,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52075 states, 52074 states have (on average 2.747090678649614) internal successors, (143052), 52074 states have internal predecessors, (143052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:02:47,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52075 states to 52075 states and 143052 transitions. [2022-03-15 14:02:47,235 INFO L78 Accepts]: Start accepts. Automaton has 52075 states and 143052 transitions. Word has length 163 [2022-03-15 14:02:47,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:02:47,236 INFO L470 AbstractCegarLoop]: Abstraction has 52075 states and 143052 transitions. [2022-03-15 14:02:47,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:02:47,236 INFO L276 IsEmpty]: Start isEmpty. Operand 52075 states and 143052 transitions. [2022-03-15 14:02:47,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:02:47,284 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:02:47,284 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:02:47,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-03-15 14:02:47,284 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:02:47,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:02:47,285 INFO L85 PathProgramCache]: Analyzing trace with hash 733413564, now seen corresponding path program 49 times [2022-03-15 14:02:47,285 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:02:47,285 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051141097] [2022-03-15 14:02:47,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:02:47,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:02:47,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:02:47,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:02:47,516 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:02:47,517 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051141097] [2022-03-15 14:02:47,517 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051141097] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:02:47,517 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:02:47,517 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:02:47,517 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818150382] [2022-03-15 14:02:47,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:02:47,517 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:02:47,517 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:02:47,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:02:47,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:02:47,518 INFO L87 Difference]: Start difference. First operand 52075 states and 143052 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:02:49,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:02:49,758 INFO L93 Difference]: Finished difference Result 124648 states and 343494 transitions. [2022-03-15 14:02:49,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-03-15 14:02:49,758 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:02:49,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:02:50,008 INFO L225 Difference]: With dead ends: 124648 [2022-03-15 14:02:50,008 INFO L226 Difference]: Without dead ends: 124482 [2022-03-15 14:02:50,009 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 711 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=604, Invalid=2366, Unknown=0, NotChecked=0, Total=2970 [2022-03-15 14:02:50,009 INFO L933 BasicCegarLoop]: 919 mSDtfsCounter, 2791 mSDsluCounter, 12372 mSDsCounter, 0 mSdLazyCounter, 2169 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2791 SdHoareTripleChecker+Valid, 13189 SdHoareTripleChecker+Invalid, 2206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 2169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 14:02:50,009 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2791 Valid, 13189 Invalid, 2206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 2169 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 14:02:50,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124482 states. [2022-03-15 14:02:51,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124482 to 52039. [2022-03-15 14:02:51,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52039 states, 52038 states have (on average 2.7470886659748643) internal successors, (142953), 52038 states have internal predecessors, (142953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:02:51,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52039 states to 52039 states and 142953 transitions. [2022-03-15 14:02:51,753 INFO L78 Accepts]: Start accepts. Automaton has 52039 states and 142953 transitions. Word has length 163 [2022-03-15 14:02:51,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:02:51,753 INFO L470 AbstractCegarLoop]: Abstraction has 52039 states and 142953 transitions. [2022-03-15 14:02:51,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:02:51,753 INFO L276 IsEmpty]: Start isEmpty. Operand 52039 states and 142953 transitions. [2022-03-15 14:02:51,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:02:51,808 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:02:51,809 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:02:51,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-03-15 14:02:51,809 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:02:51,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:02:51,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1229628348, now seen corresponding path program 50 times [2022-03-15 14:02:51,809 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:02:51,809 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126622424] [2022-03-15 14:02:51,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:02:51,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:02:51,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:02:52,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:02:52,238 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:02:52,238 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126622424] [2022-03-15 14:02:52,239 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126622424] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:02:52,239 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:02:52,239 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:02:52,239 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466137908] [2022-03-15 14:02:52,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:02:52,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:02:52,239 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:02:52,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:02:52,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:02:52,240 INFO L87 Difference]: Start difference. First operand 52039 states and 142953 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:02:54,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:02:54,726 INFO L93 Difference]: Finished difference Result 124969 states and 344268 transitions. [2022-03-15 14:02:54,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-03-15 14:02:54,726 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:02:54,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:02:54,999 INFO L225 Difference]: With dead ends: 124969 [2022-03-15 14:02:54,999 INFO L226 Difference]: Without dead ends: 124643 [2022-03-15 14:02:55,000 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 921 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=689, Invalid=2851, Unknown=0, NotChecked=0, Total=3540 [2022-03-15 14:02:55,000 INFO L933 BasicCegarLoop]: 944 mSDtfsCounter, 3305 mSDsluCounter, 11394 mSDsCounter, 0 mSdLazyCounter, 2119 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3305 SdHoareTripleChecker+Valid, 12247 SdHoareTripleChecker+Invalid, 2159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 2119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 14:02:55,000 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3305 Valid, 12247 Invalid, 2159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 2119 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 14:02:55,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124643 states. [2022-03-15 14:02:56,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124643 to 51871. [2022-03-15 14:02:56,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51871 states, 51870 states have (on average 2.7473105841526895) internal successors, (142503), 51870 states have internal predecessors, (142503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:02:56,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51871 states to 51871 states and 142503 transitions. [2022-03-15 14:02:56,645 INFO L78 Accepts]: Start accepts. Automaton has 51871 states and 142503 transitions. Word has length 163 [2022-03-15 14:02:56,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:02:56,645 INFO L470 AbstractCegarLoop]: Abstraction has 51871 states and 142503 transitions. [2022-03-15 14:02:56,645 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:02:56,645 INFO L276 IsEmpty]: Start isEmpty. Operand 51871 states and 142503 transitions. [2022-03-15 14:02:56,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:02:56,699 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:02:56,699 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:02:56,700 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-03-15 14:02:56,700 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:02:56,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:02:56,700 INFO L85 PathProgramCache]: Analyzing trace with hash -622327840, now seen corresponding path program 51 times [2022-03-15 14:02:56,700 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:02:56,700 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160534946] [2022-03-15 14:02:56,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:02:56,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:02:56,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:02:56,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:02:56,941 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:02:56,941 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160534946] [2022-03-15 14:02:56,941 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160534946] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:02:56,941 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:02:56,941 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:02:56,941 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342473932] [2022-03-15 14:02:56,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:02:56,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:02:56,942 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:02:56,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:02:56,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:02:56,942 INFO L87 Difference]: Start difference. First operand 51871 states and 142503 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:02:59,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:02:59,555 INFO L93 Difference]: Finished difference Result 123960 states and 341589 transitions. [2022-03-15 14:02:59,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-15 14:02:59,556 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:02:59,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:02:59,815 INFO L225 Difference]: With dead ends: 123960 [2022-03-15 14:02:59,815 INFO L226 Difference]: Without dead ends: 123821 [2022-03-15 14:02:59,815 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 895 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=698, Invalid=2724, Unknown=0, NotChecked=0, Total=3422 [2022-03-15 14:02:59,815 INFO L933 BasicCegarLoop]: 917 mSDtfsCounter, 3327 mSDsluCounter, 11211 mSDsCounter, 0 mSdLazyCounter, 1999 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3327 SdHoareTripleChecker+Valid, 12039 SdHoareTripleChecker+Invalid, 2046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1999 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 14:02:59,816 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3327 Valid, 12039 Invalid, 2046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1999 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 14:03:00,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123821 states. [2022-03-15 14:03:01,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123821 to 51923. [2022-03-15 14:03:01,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51923 states, 51922 states have (on average 2.747082161704095) internal successors, (142634), 51922 states have internal predecessors, (142634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:03:01,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51923 states to 51923 states and 142634 transitions. [2022-03-15 14:03:01,450 INFO L78 Accepts]: Start accepts. Automaton has 51923 states and 142634 transitions. Word has length 163 [2022-03-15 14:03:01,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:03:01,451 INFO L470 AbstractCegarLoop]: Abstraction has 51923 states and 142634 transitions. [2022-03-15 14:03:01,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:03:01,451 INFO L276 IsEmpty]: Start isEmpty. Operand 51923 states and 142634 transitions. [2022-03-15 14:03:01,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:03:01,508 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:03:01,508 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] [2022-03-15 14:03:01,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-03-15 14:03:01,508 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:03:01,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:03:01,509 INFO L85 PathProgramCache]: Analyzing trace with hash 177291292, now seen corresponding path program 52 times [2022-03-15 14:03:01,509 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:03:01,509 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444864521] [2022-03-15 14:03:01,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:03:01,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:03:01,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:03:01,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:03:01,735 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:03:01,735 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444864521] [2022-03-15 14:03:01,735 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444864521] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:03:01,735 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:03:01,735 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:03:01,735 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064137698] [2022-03-15 14:03:01,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:03:01,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:03:01,736 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:03:01,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:03:01,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:03:01,736 INFO L87 Difference]: Start difference. First operand 51923 states and 142634 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:03:04,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:03:04,003 INFO L93 Difference]: Finished difference Result 123932 states and 341509 transitions. [2022-03-15 14:03:04,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-03-15 14:03:04,003 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:03:04,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:03:04,439 INFO L225 Difference]: With dead ends: 123932 [2022-03-15 14:03:04,440 INFO L226 Difference]: Without dead ends: 123766 [2022-03-15 14:03:04,440 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 714 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=609, Invalid=2361, Unknown=0, NotChecked=0, Total=2970 [2022-03-15 14:03:04,440 INFO L933 BasicCegarLoop]: 913 mSDtfsCounter, 3242 mSDsluCounter, 11194 mSDsCounter, 0 mSdLazyCounter, 1981 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3242 SdHoareTripleChecker+Valid, 12020 SdHoareTripleChecker+Invalid, 2014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1981 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 14:03:04,440 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3242 Valid, 12020 Invalid, 2014 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1981 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 14:03:04,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123766 states. [2022-03-15 14:03:05,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123766 to 51887. [2022-03-15 14:03:05,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51887 states, 51886 states have (on average 2.747080137223914) internal successors, (142535), 51886 states have internal predecessors, (142535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:03:06,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51887 states to 51887 states and 142535 transitions. [2022-03-15 14:03:06,050 INFO L78 Accepts]: Start accepts. Automaton has 51887 states and 142535 transitions. Word has length 163 [2022-03-15 14:03:06,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:03:06,050 INFO L470 AbstractCegarLoop]: Abstraction has 51887 states and 142535 transitions. [2022-03-15 14:03:06,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:03:06,050 INFO L276 IsEmpty]: Start isEmpty. Operand 51887 states and 142535 transitions. [2022-03-15 14:03:06,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:03:06,106 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:03:06,106 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] [2022-03-15 14:03:06,106 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-03-15 14:03:06,106 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:03:06,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:03:06,107 INFO L85 PathProgramCache]: Analyzing trace with hash -103438624, now seen corresponding path program 53 times [2022-03-15 14:03:06,107 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:03:06,107 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421528418] [2022-03-15 14:03:06,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:03:06,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:03:06,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:03:06,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:03:06,474 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:03:06,474 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421528418] [2022-03-15 14:03:06,474 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421528418] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:03:06,474 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:03:06,474 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:03:06,474 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695015810] [2022-03-15 14:03:06,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:03:06,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:03:06,474 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:03:06,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:03:06,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:03:06,475 INFO L87 Difference]: Start difference. First operand 51887 states and 142535 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:03:09,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:03:09,010 INFO L93 Difference]: Finished difference Result 124162 states and 342035 transitions. [2022-03-15 14:03:09,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-15 14:03:09,010 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:03:09,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:03:09,484 INFO L225 Difference]: With dead ends: 124162 [2022-03-15 14:03:09,484 INFO L226 Difference]: Without dead ends: 123992 [2022-03-15 14:03:09,485 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 885 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=679, Invalid=2743, Unknown=0, NotChecked=0, Total=3422 [2022-03-15 14:03:09,485 INFO L933 BasicCegarLoop]: 937 mSDtfsCounter, 2965 mSDsluCounter, 12536 mSDsCounter, 0 mSdLazyCounter, 2219 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2965 SdHoareTripleChecker+Valid, 13360 SdHoareTripleChecker+Invalid, 2257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 2219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 14:03:09,485 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2965 Valid, 13360 Invalid, 2257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 2219 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 14:03:09,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123992 states. [2022-03-15 14:03:11,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123992 to 51875. [2022-03-15 14:03:11,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51875 states, 51874 states have (on average 2.7472336816131397) internal successors, (142510), 51874 states have internal predecessors, (142510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:03:11,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51875 states to 51875 states and 142510 transitions. [2022-03-15 14:03:11,233 INFO L78 Accepts]: Start accepts. Automaton has 51875 states and 142510 transitions. Word has length 163 [2022-03-15 14:03:11,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:03:11,233 INFO L470 AbstractCegarLoop]: Abstraction has 51875 states and 142510 transitions. [2022-03-15 14:03:11,233 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:03:11,233 INFO L276 IsEmpty]: Start isEmpty. Operand 51875 states and 142510 transitions. [2022-03-15 14:03:11,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:03:11,286 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:03:11,286 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:03:11,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-03-15 14:03:11,287 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:03:11,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:03:11,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1430445284, now seen corresponding path program 54 times [2022-03-15 14:03:11,287 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:03:11,287 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288752524] [2022-03-15 14:03:11,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:03:11,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:03:11,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:03:11,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:03:11,506 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:03:11,506 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288752524] [2022-03-15 14:03:11,506 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288752524] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:03:11,506 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:03:11,506 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:03:11,506 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383328383] [2022-03-15 14:03:11,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:03:11,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:03:11,507 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:03:11,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:03:11,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:03:11,507 INFO L87 Difference]: Start difference. First operand 51875 states and 142510 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:03:13,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:03:13,992 INFO L93 Difference]: Finished difference Result 123485 states and 340294 transitions. [2022-03-15 14:03:13,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-15 14:03:13,992 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:03:13,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:03:14,269 INFO L225 Difference]: With dead ends: 123485 [2022-03-15 14:03:14,269 INFO L226 Difference]: Without dead ends: 123346 [2022-03-15 14:03:14,270 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 772 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=666, Invalid=2526, Unknown=0, NotChecked=0, Total=3192 [2022-03-15 14:03:14,270 INFO L933 BasicCegarLoop]: 907 mSDtfsCounter, 3327 mSDsluCounter, 11175 mSDsCounter, 0 mSdLazyCounter, 1960 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3327 SdHoareTripleChecker+Valid, 11992 SdHoareTripleChecker+Invalid, 2014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 1960 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 14:03:14,270 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3327 Valid, 11992 Invalid, 2014 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 1960 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 14:03:14,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123346 states. [2022-03-15 14:03:15,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123346 to 51923. [2022-03-15 14:03:15,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51923 states, 51922 states have (on average 2.7470051230692194) internal successors, (142630), 51922 states have internal predecessors, (142630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:03:16,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51923 states to 51923 states and 142630 transitions. [2022-03-15 14:03:16,030 INFO L78 Accepts]: Start accepts. Automaton has 51923 states and 142630 transitions. Word has length 163 [2022-03-15 14:03:16,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:03:16,030 INFO L470 AbstractCegarLoop]: Abstraction has 51923 states and 142630 transitions. [2022-03-15 14:03:16,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:03:16,030 INFO L276 IsEmpty]: Start isEmpty. Operand 51923 states and 142630 transitions. [2022-03-15 14:03:16,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:03:16,277 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:03:16,277 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:03:16,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-03-15 14:03:16,278 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:03:16,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:03:16,278 INFO L85 PathProgramCache]: Analyzing trace with hash -630826152, now seen corresponding path program 55 times [2022-03-15 14:03:16,278 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:03:16,278 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367473852] [2022-03-15 14:03:16,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:03:16,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:03:16,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:03:16,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:03:16,503 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:03:16,503 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367473852] [2022-03-15 14:03:16,503 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367473852] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:03:16,503 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:03:16,503 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:03:16,503 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788965029] [2022-03-15 14:03:16,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:03:16,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:03:16,503 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:03:16,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:03:16,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:03:16,504 INFO L87 Difference]: Start difference. First operand 51923 states and 142630 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:03:18,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:03:18,953 INFO L93 Difference]: Finished difference Result 123476 states and 340264 transitions. [2022-03-15 14:03:18,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-03-15 14:03:18,953 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:03:18,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:03:19,212 INFO L225 Difference]: With dead ends: 123476 [2022-03-15 14:03:19,212 INFO L226 Difference]: Without dead ends: 123310 [2022-03-15 14:03:19,213 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 733 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=613, Invalid=2467, Unknown=0, NotChecked=0, Total=3080 [2022-03-15 14:03:19,213 INFO L933 BasicCegarLoop]: 928 mSDtfsCounter, 2871 mSDsluCounter, 12539 mSDsCounter, 0 mSdLazyCounter, 2133 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2871 SdHoareTripleChecker+Valid, 13336 SdHoareTripleChecker+Invalid, 2167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 14:03:19,213 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2871 Valid, 13336 Invalid, 2167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2133 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 14:03:19,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123310 states. [2022-03-15 14:03:20,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123310 to 51887. [2022-03-15 14:03:20,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51887 states, 51886 states have (on average 2.7470030451374168) internal successors, (142531), 51886 states have internal predecessors, (142531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:03:21,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51887 states to 51887 states and 142531 transitions. [2022-03-15 14:03:21,002 INFO L78 Accepts]: Start accepts. Automaton has 51887 states and 142531 transitions. Word has length 163 [2022-03-15 14:03:21,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:03:21,002 INFO L470 AbstractCegarLoop]: Abstraction has 51887 states and 142531 transitions. [2022-03-15 14:03:21,002 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:03:21,002 INFO L276 IsEmpty]: Start isEmpty. Operand 51887 states and 142531 transitions. [2022-03-15 14:03:21,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:03:21,054 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:03:21,055 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:03:21,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-03-15 14:03:21,055 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:03:21,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:03:21,055 INFO L85 PathProgramCache]: Analyzing trace with hash -362191136, now seen corresponding path program 56 times [2022-03-15 14:03:21,055 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:03:21,055 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954489035] [2022-03-15 14:03:21,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:03:21,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:03:21,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:03:21,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:03:21,309 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:03:21,309 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954489035] [2022-03-15 14:03:21,309 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954489035] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:03:21,309 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:03:21,309 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:03:21,309 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482459215] [2022-03-15 14:03:21,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:03:21,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:03:21,310 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:03:21,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:03:21,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:03:21,310 INFO L87 Difference]: Start difference. First operand 51887 states and 142531 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:03:23,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:03:23,954 INFO L93 Difference]: Finished difference Result 123307 states and 339871 transitions. [2022-03-15 14:03:23,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-03-15 14:03:23,955 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:03:23,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:03:24,237 INFO L225 Difference]: With dead ends: 123307 [2022-03-15 14:03:24,237 INFO L226 Difference]: Without dead ends: 122921 [2022-03-15 14:03:24,238 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 698 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=579, Invalid=2391, Unknown=0, NotChecked=0, Total=2970 [2022-03-15 14:03:24,238 INFO L933 BasicCegarLoop]: 953 mSDtfsCounter, 2883 mSDsluCounter, 12673 mSDsCounter, 0 mSdLazyCounter, 2167 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2883 SdHoareTripleChecker+Valid, 13493 SdHoareTripleChecker+Invalid, 2200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 2167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 14:03:24,238 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2883 Valid, 13493 Invalid, 2200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 2167 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 14:03:24,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122921 states. [2022-03-15 14:03:25,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122921 to 51647. [2022-03-15 14:03:25,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51647 states, 51646 states have (on average 2.748615575262363) internal successors, (141955), 51646 states have internal predecessors, (141955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:03:26,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51647 states to 51647 states and 141955 transitions. [2022-03-15 14:03:26,005 INFO L78 Accepts]: Start accepts. Automaton has 51647 states and 141955 transitions. Word has length 163 [2022-03-15 14:03:26,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:03:26,005 INFO L470 AbstractCegarLoop]: Abstraction has 51647 states and 141955 transitions. [2022-03-15 14:03:26,005 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:03:26,005 INFO L276 IsEmpty]: Start isEmpty. Operand 51647 states and 141955 transitions. [2022-03-15 14:03:26,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:03:26,068 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:03:26,068 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:03:26,068 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-03-15 14:03:26,068 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:03:26,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:03:26,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1601500704, now seen corresponding path program 57 times [2022-03-15 14:03:26,069 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:03:26,069 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138054062] [2022-03-15 14:03:26,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:03:26,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:03:26,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:03:26,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:03:26,292 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:03:26,292 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138054062] [2022-03-15 14:03:26,292 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138054062] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:03:26,292 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:03:26,292 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:03:26,292 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415785077] [2022-03-15 14:03:26,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:03:26,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:03:26,292 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:03:26,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:03:26,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:03:26,293 INFO L87 Difference]: Start difference. First operand 51647 states and 141955 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:03:28,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:03:28,357 INFO L93 Difference]: Finished difference Result 102987 states and 283388 transitions. [2022-03-15 14:03:28,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-15 14:03:28,358 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:03:28,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:03:28,588 INFO L225 Difference]: With dead ends: 102987 [2022-03-15 14:03:28,589 INFO L226 Difference]: Without dead ends: 102506 [2022-03-15 14:03:28,589 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 517 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=438, Invalid=2012, Unknown=0, NotChecked=0, Total=2450 [2022-03-15 14:03:28,589 INFO L933 BasicCegarLoop]: 986 mSDtfsCounter, 3937 mSDsluCounter, 11462 mSDsCounter, 0 mSdLazyCounter, 1858 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3937 SdHoareTripleChecker+Valid, 12333 SdHoareTripleChecker+Invalid, 1889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1858 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 14:03:28,589 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3937 Valid, 12333 Invalid, 1889 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1858 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 14:03:28,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102506 states. [2022-03-15 14:03:30,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102506 to 51755. [2022-03-15 14:03:30,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51755 states, 51754 states have (on average 2.74834795378135) internal successors, (142238), 51754 states have internal predecessors, (142238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:03:30,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51755 states to 51755 states and 142238 transitions. [2022-03-15 14:03:30,244 INFO L78 Accepts]: Start accepts. Automaton has 51755 states and 142238 transitions. Word has length 163 [2022-03-15 14:03:30,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:03:30,244 INFO L470 AbstractCegarLoop]: Abstraction has 51755 states and 142238 transitions. [2022-03-15 14:03:30,244 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:03:30,244 INFO L276 IsEmpty]: Start isEmpty. Operand 51755 states and 142238 transitions. [2022-03-15 14:03:30,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:03:30,302 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:03:30,302 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:03:30,302 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-03-15 14:03:30,302 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:03:30,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:03:30,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1841673402, now seen corresponding path program 58 times [2022-03-15 14:03:30,303 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:03:30,303 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572185087] [2022-03-15 14:03:30,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:03:30,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:03:30,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:03:30,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:03:30,518 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:03:30,518 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572185087] [2022-03-15 14:03:30,518 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572185087] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:03:30,518 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:03:30,518 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:03:30,518 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890942976] [2022-03-15 14:03:30,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:03:30,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:03:30,518 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:03:30,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:03:30,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:03:30,519 INFO L87 Difference]: Start difference. First operand 51755 states and 142238 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:03:32,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:03:32,851 INFO L93 Difference]: Finished difference Result 102835 states and 283008 transitions. [2022-03-15 14:03:32,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-15 14:03:32,851 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:03:32,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:03:33,094 INFO L225 Difference]: With dead ends: 102835 [2022-03-15 14:03:33,094 INFO L226 Difference]: Without dead ends: 102411 [2022-03-15 14:03:33,094 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 543 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=449, Invalid=2101, Unknown=0, NotChecked=0, Total=2550 [2022-03-15 14:03:33,095 INFO L933 BasicCegarLoop]: 973 mSDtfsCounter, 3417 mSDsluCounter, 11718 mSDsCounter, 0 mSdLazyCounter, 2064 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3417 SdHoareTripleChecker+Valid, 12574 SdHoareTripleChecker+Invalid, 2096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2064 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 14:03:33,095 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3417 Valid, 12574 Invalid, 2096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2064 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 14:03:33,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102411 states. [2022-03-15 14:03:34,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102411 to 51767. [2022-03-15 14:03:34,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51767 states, 51766 states have (on average 2.748271065950624) internal successors, (142267), 51766 states have internal predecessors, (142267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:03:34,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51767 states to 51767 states and 142267 transitions. [2022-03-15 14:03:34,682 INFO L78 Accepts]: Start accepts. Automaton has 51767 states and 142267 transitions. Word has length 163 [2022-03-15 14:03:34,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:03:34,682 INFO L470 AbstractCegarLoop]: Abstraction has 51767 states and 142267 transitions. [2022-03-15 14:03:34,682 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:03:34,682 INFO L276 IsEmpty]: Start isEmpty. Operand 51767 states and 142267 transitions. [2022-03-15 14:03:34,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:03:34,736 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:03:34,736 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:03:34,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-03-15 14:03:34,736 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:03:34,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:03:34,737 INFO L85 PathProgramCache]: Analyzing trace with hash -598137584, now seen corresponding path program 59 times [2022-03-15 14:03:34,737 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:03:34,737 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291961017] [2022-03-15 14:03:34,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:03:34,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:03:34,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:03:34,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:03:34,962 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:03:34,962 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291961017] [2022-03-15 14:03:34,962 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291961017] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:03:34,962 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:03:34,962 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:03:34,962 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283614591] [2022-03-15 14:03:34,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:03:34,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:03:34,963 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:03:34,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:03:34,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:03:34,963 INFO L87 Difference]: Start difference. First operand 51767 states and 142267 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:03:37,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:03:37,064 INFO L93 Difference]: Finished difference Result 102405 states and 281984 transitions. [2022-03-15 14:03:37,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-03-15 14:03:37,064 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:03:37,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:03:37,305 INFO L225 Difference]: With dead ends: 102405 [2022-03-15 14:03:37,305 INFO L226 Difference]: Without dead ends: 102000 [2022-03-15 14:03:37,305 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 569 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=459, Invalid=2193, Unknown=0, NotChecked=0, Total=2652 [2022-03-15 14:03:37,306 INFO L933 BasicCegarLoop]: 974 mSDtfsCounter, 3163 mSDsluCounter, 11981 mSDsCounter, 0 mSdLazyCounter, 2081 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3163 SdHoareTripleChecker+Valid, 12840 SdHoareTripleChecker+Invalid, 2114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 2081 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 14:03:37,306 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3163 Valid, 12840 Invalid, 2114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 2081 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 14:03:37,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102000 states. [2022-03-15 14:03:38,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102000 to 51923. [2022-03-15 14:03:38,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51923 states, 51922 states have (on average 2.747274758291283) internal successors, (142644), 51922 states have internal predecessors, (142644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:03:39,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51923 states to 51923 states and 142644 transitions. [2022-03-15 14:03:39,001 INFO L78 Accepts]: Start accepts. Automaton has 51923 states and 142644 transitions. Word has length 163 [2022-03-15 14:03:39,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:03:39,001 INFO L470 AbstractCegarLoop]: Abstraction has 51923 states and 142644 transitions. [2022-03-15 14:03:39,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:03:39,001 INFO L276 IsEmpty]: Start isEmpty. Operand 51923 states and 142644 transitions. [2022-03-15 14:03:39,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:03:39,060 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:03:39,060 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:03:39,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-03-15 14:03:39,060 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:03:39,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:03:39,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1645450704, now seen corresponding path program 60 times [2022-03-15 14:03:39,061 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:03:39,061 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493594879] [2022-03-15 14:03:39,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:03:39,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:03:39,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:03:39,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:03:39,292 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:03:39,293 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493594879] [2022-03-15 14:03:39,293 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493594879] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:03:39,293 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:03:39,293 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:03:39,293 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557016577] [2022-03-15 14:03:39,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:03:39,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:03:39,293 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:03:39,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:03:39,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:03:39,294 INFO L87 Difference]: Start difference. First operand 51923 states and 142644 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:03:41,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:03:41,350 INFO L93 Difference]: Finished difference Result 100990 states and 278500 transitions. [2022-03-15 14:03:41,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-15 14:03:41,350 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:03:41,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:03:41,575 INFO L225 Difference]: With dead ends: 100990 [2022-03-15 14:03:41,575 INFO L226 Difference]: Without dead ends: 100851 [2022-03-15 14:03:41,576 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 447 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=452, Invalid=1900, Unknown=0, NotChecked=0, Total=2352 [2022-03-15 14:03:41,576 INFO L933 BasicCegarLoop]: 923 mSDtfsCounter, 3164 mSDsluCounter, 11143 mSDsCounter, 0 mSdLazyCounter, 1791 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3164 SdHoareTripleChecker+Valid, 11975 SdHoareTripleChecker+Invalid, 1835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 14:03:41,576 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3164 Valid, 11975 Invalid, 1835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1791 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 14:03:41,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100851 states. [2022-03-15 14:03:42,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100851 to 51971. [2022-03-15 14:03:43,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51971 states, 51970 states have (on average 2.747046372907447) internal successors, (142764), 51970 states have internal predecessors, (142764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:03:43,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51971 states to 51971 states and 142764 transitions. [2022-03-15 14:03:43,157 INFO L78 Accepts]: Start accepts. Automaton has 51971 states and 142764 transitions. Word has length 163 [2022-03-15 14:03:43,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:03:43,157 INFO L470 AbstractCegarLoop]: Abstraction has 51971 states and 142764 transitions. [2022-03-15 14:03:43,157 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:03:43,158 INFO L276 IsEmpty]: Start isEmpty. Operand 51971 states and 142764 transitions. [2022-03-15 14:03:43,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:03:43,214 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:03:43,214 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:03:43,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-03-15 14:03:43,215 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:03:43,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:03:43,215 INFO L85 PathProgramCache]: Analyzing trace with hash -845831572, now seen corresponding path program 61 times [2022-03-15 14:03:43,215 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:03:43,215 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133356291] [2022-03-15 14:03:43,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:03:43,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:03:43,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:03:43,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:03:43,448 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:03:43,448 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133356291] [2022-03-15 14:03:43,448 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133356291] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:03:43,448 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:03:43,448 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:03:43,449 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209916202] [2022-03-15 14:03:43,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:03:43,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:03:43,449 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:03:43,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:03:43,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:03:43,450 INFO L87 Difference]: Start difference. First operand 51971 states and 142764 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:03:45,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:03:45,539 INFO L93 Difference]: Finished difference Result 100914 states and 278304 transitions. [2022-03-15 14:03:45,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-15 14:03:45,540 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:03:45,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:03:45,746 INFO L225 Difference]: With dead ends: 100914 [2022-03-15 14:03:45,746 INFO L226 Difference]: Without dead ends: 100748 [2022-03-15 14:03:45,746 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=412, Invalid=1658, Unknown=0, NotChecked=0, Total=2070 [2022-03-15 14:03:45,746 INFO L933 BasicCegarLoop]: 919 mSDtfsCounter, 2721 mSDsluCounter, 11652 mSDsCounter, 0 mSdLazyCounter, 1842 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2721 SdHoareTripleChecker+Valid, 12478 SdHoareTripleChecker+Invalid, 1878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 14:03:45,747 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2721 Valid, 12478 Invalid, 1878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1842 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 14:03:45,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100748 states. [2022-03-15 14:03:46,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100748 to 51935. [2022-03-15 14:03:47,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51935 states, 51934 states have (on average 2.747044325490045) internal successors, (142665), 51934 states have internal predecessors, (142665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:03:47,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51935 states to 51935 states and 142665 transitions. [2022-03-15 14:03:47,295 INFO L78 Accepts]: Start accepts. Automaton has 51935 states and 142665 transitions. Word has length 163 [2022-03-15 14:03:47,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:03:47,296 INFO L470 AbstractCegarLoop]: Abstraction has 51935 states and 142665 transitions. [2022-03-15 14:03:47,296 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:03:47,296 INFO L276 IsEmpty]: Start isEmpty. Operand 51935 states and 142665 transitions. [2022-03-15 14:03:47,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:03:47,349 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:03:47,349 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:03:47,349 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-03-15 14:03:47,349 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:03:47,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:03:47,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1486093812, now seen corresponding path program 62 times [2022-03-15 14:03:47,350 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:03:47,350 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925920671] [2022-03-15 14:03:47,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:03:47,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:03:47,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:03:47,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:03:47,566 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:03:47,566 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925920671] [2022-03-15 14:03:47,566 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925920671] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:03:47,566 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:03:47,566 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:03:47,566 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180894573] [2022-03-15 14:03:47,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:03:47,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:03:47,566 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:03:47,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:03:47,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:03:47,567 INFO L87 Difference]: Start difference. First operand 51935 states and 142665 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:03:49,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:03:49,571 INFO L93 Difference]: Finished difference Result 101267 states and 279162 transitions. [2022-03-15 14:03:49,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-15 14:03:49,571 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:03:49,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:03:49,792 INFO L225 Difference]: With dead ends: 101267 [2022-03-15 14:03:49,792 INFO L226 Difference]: Without dead ends: 100893 [2022-03-15 14:03:49,792 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 487 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=441, Invalid=2009, Unknown=0, NotChecked=0, Total=2450 [2022-03-15 14:03:49,793 INFO L933 BasicCegarLoop]: 945 mSDtfsCounter, 2833 mSDsluCounter, 11740 mSDsCounter, 0 mSdLazyCounter, 1967 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2833 SdHoareTripleChecker+Valid, 12579 SdHoareTripleChecker+Invalid, 2001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1967 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 14:03:49,793 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2833 Valid, 12579 Invalid, 2001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1967 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 14:03:49,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100893 states. [2022-03-15 14:03:51,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100893 to 51719. [2022-03-15 14:03:51,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51719 states, 51718 states have (on average 2.74834680382072) internal successors, (142139), 51718 states have internal predecessors, (142139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:03:51,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51719 states to 51719 states and 142139 transitions. [2022-03-15 14:03:51,429 INFO L78 Accepts]: Start accepts. Automaton has 51719 states and 142139 transitions. Word has length 163 [2022-03-15 14:03:51,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:03:51,429 INFO L470 AbstractCegarLoop]: Abstraction has 51719 states and 142139 transitions. [2022-03-15 14:03:51,429 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:03:51,429 INFO L276 IsEmpty]: Start isEmpty. Operand 51719 states and 142139 transitions. [2022-03-15 14:03:51,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:03:51,489 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:03:51,489 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] [2022-03-15 14:03:51,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-03-15 14:03:51,489 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:03:51,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:03:51,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1497183360, now seen corresponding path program 63 times [2022-03-15 14:03:51,490 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:03:51,490 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057962826] [2022-03-15 14:03:51,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:03:51,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:03:51,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:03:51,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:03:51,740 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:03:51,740 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057962826] [2022-03-15 14:03:51,740 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057962826] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:03:51,740 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:03:51,740 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:03:51,740 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876995352] [2022-03-15 14:03:51,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:03:51,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:03:51,741 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:03:51,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:03:51,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:03:51,741 INFO L87 Difference]: Start difference. First operand 51719 states and 142139 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:03:53,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:03:53,795 INFO L93 Difference]: Finished difference Result 101027 states and 278333 transitions. [2022-03-15 14:03:53,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-03-15 14:03:53,797 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:03:53,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:03:54,076 INFO L225 Difference]: With dead ends: 101027 [2022-03-15 14:03:54,077 INFO L226 Difference]: Without dead ends: 100484 [2022-03-15 14:03:54,077 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=376, Invalid=1604, Unknown=0, NotChecked=0, Total=1980 [2022-03-15 14:03:54,078 INFO L933 BasicCegarLoop]: 1032 mSDtfsCounter, 3733 mSDsluCounter, 11866 mSDsCounter, 0 mSdLazyCounter, 1834 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3733 SdHoareTripleChecker+Valid, 12771 SdHoareTripleChecker+Invalid, 1863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 14:03:54,089 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3733 Valid, 12771 Invalid, 1863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1834 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 14:03:54,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100484 states. [2022-03-15 14:03:55,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100484 to 51738. [2022-03-15 14:03:55,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51738 states, 51737 states have (on average 2.7476080947870964) internal successors, (142153), 51737 states have internal predecessors, (142153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:03:55,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51738 states to 51738 states and 142153 transitions. [2022-03-15 14:03:55,806 INFO L78 Accepts]: Start accepts. Automaton has 51738 states and 142153 transitions. Word has length 163 [2022-03-15 14:03:55,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:03:55,806 INFO L470 AbstractCegarLoop]: Abstraction has 51738 states and 142153 transitions. [2022-03-15 14:03:55,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:03:55,807 INFO L276 IsEmpty]: Start isEmpty. Operand 51738 states and 142153 transitions. [2022-03-15 14:03:55,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:03:55,865 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:03:55,865 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:03:55,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-03-15 14:03:55,866 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:03:55,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:03:55,868 INFO L85 PathProgramCache]: Analyzing trace with hash -163230216, now seen corresponding path program 64 times [2022-03-15 14:03:55,868 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:03:55,868 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111823463] [2022-03-15 14:03:55,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:03:55,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:03:55,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:03:56,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:03:56,087 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:03:56,087 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111823463] [2022-03-15 14:03:56,088 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111823463] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:03:56,088 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:03:56,088 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:03:56,088 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971592074] [2022-03-15 14:03:56,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:03:56,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:03:56,088 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:03:56,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:03:56,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:03:56,089 INFO L87 Difference]: Start difference. First operand 51738 states and 142153 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:03:58,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:03:58,216 INFO L93 Difference]: Finished difference Result 108463 states and 298475 transitions. [2022-03-15 14:03:58,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-03-15 14:03:58,216 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:03:58,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:03:58,472 INFO L225 Difference]: With dead ends: 108463 [2022-03-15 14:03:58,472 INFO L226 Difference]: Without dead ends: 107982 [2022-03-15 14:03:58,472 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 607 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=496, Invalid=2156, Unknown=0, NotChecked=0, Total=2652 [2022-03-15 14:03:58,473 INFO L933 BasicCegarLoop]: 960 mSDtfsCounter, 3298 mSDsluCounter, 11956 mSDsCounter, 0 mSdLazyCounter, 1934 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3298 SdHoareTripleChecker+Valid, 12797 SdHoareTripleChecker+Invalid, 1964 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1934 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 14:03:58,473 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3298 Valid, 12797 Invalid, 1964 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1934 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 14:03:58,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107982 states. [2022-03-15 14:03:59,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107982 to 51786. [2022-03-15 14:04:00,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51786 states, 51785 states have (on average 2.7473785845322003) internal successors, (142273), 51785 states have internal predecessors, (142273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:00,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51786 states to 51786 states and 142273 transitions. [2022-03-15 14:04:00,183 INFO L78 Accepts]: Start accepts. Automaton has 51786 states and 142273 transitions. Word has length 163 [2022-03-15 14:04:00,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:04:00,183 INFO L470 AbstractCegarLoop]: Abstraction has 51786 states and 142273 transitions. [2022-03-15 14:04:00,183 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:00,183 INFO L276 IsEmpty]: Start isEmpty. Operand 51786 states and 142273 transitions. [2022-03-15 14:04:00,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:04:00,242 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:04:00,242 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:04:00,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-03-15 14:04:00,243 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:04:00,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:04:00,243 INFO L85 PathProgramCache]: Analyzing trace with hash 76942482, now seen corresponding path program 65 times [2022-03-15 14:04:00,243 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:04:00,243 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315889430] [2022-03-15 14:04:00,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:04:00,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:04:00,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:04:00,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:04:00,462 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:04:00,462 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315889430] [2022-03-15 14:04:00,463 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315889430] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:04:00,463 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:04:00,463 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:04:00,463 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720676649] [2022-03-15 14:04:00,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:04:00,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:04:00,463 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:04:00,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:04:00,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:04:00,464 INFO L87 Difference]: Start difference. First operand 51786 states and 142273 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:02,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:04:02,947 INFO L93 Difference]: Finished difference Result 109634 states and 301569 transitions. [2022-03-15 14:04:02,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-03-15 14:04:02,947 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:04:02,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:04:03,201 INFO L225 Difference]: With dead ends: 109634 [2022-03-15 14:04:03,202 INFO L226 Difference]: Without dead ends: 109210 [2022-03-15 14:04:03,202 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 674 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=525, Invalid=2337, Unknown=0, NotChecked=0, Total=2862 [2022-03-15 14:04:03,202 INFO L933 BasicCegarLoop]: 946 mSDtfsCounter, 2995 mSDsluCounter, 11986 mSDsCounter, 0 mSdLazyCounter, 2107 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2995 SdHoareTripleChecker+Valid, 12819 SdHoareTripleChecker+Invalid, 2139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 14:04:03,202 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2995 Valid, 12819 Invalid, 2139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2107 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 14:04:03,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109210 states. [2022-03-15 14:04:04,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109210 to 51798. [2022-03-15 14:04:04,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51798 states, 51797 states have (on average 2.747301967295403) internal successors, (142302), 51797 states have internal predecessors, (142302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:04,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51798 states to 51798 states and 142302 transitions. [2022-03-15 14:04:04,913 INFO L78 Accepts]: Start accepts. Automaton has 51798 states and 142302 transitions. Word has length 163 [2022-03-15 14:04:04,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:04:04,913 INFO L470 AbstractCegarLoop]: Abstraction has 51798 states and 142302 transitions. [2022-03-15 14:04:04,914 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:04,914 INFO L276 IsEmpty]: Start isEmpty. Operand 51798 states and 142302 transitions. [2022-03-15 14:04:04,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:04:04,969 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:04:04,970 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] [2022-03-15 14:04:04,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-03-15 14:04:04,970 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:04:04,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:04:04,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1932098792, now seen corresponding path program 66 times [2022-03-15 14:04:04,971 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:04:04,971 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259259098] [2022-03-15 14:04:04,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:04:04,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:04:04,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:04:05,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:04:05,195 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:04:05,195 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259259098] [2022-03-15 14:04:05,195 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259259098] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:04:05,195 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:04:05,195 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:04:05,195 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735984231] [2022-03-15 14:04:05,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:04:05,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:04:05,196 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:04:05,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:04:05,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:04:05,196 INFO L87 Difference]: Start difference. First operand 51798 states and 142302 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:07,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:04:07,399 INFO L93 Difference]: Finished difference Result 109204 states and 300545 transitions. [2022-03-15 14:04:07,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-15 14:04:07,400 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:04:07,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:04:07,639 INFO L225 Difference]: With dead ends: 109204 [2022-03-15 14:04:07,639 INFO L226 Difference]: Without dead ends: 108799 [2022-03-15 14:04:07,639 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 746 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=548, Invalid=2532, Unknown=0, NotChecked=0, Total=3080 [2022-03-15 14:04:07,639 INFO L933 BasicCegarLoop]: 951 mSDtfsCounter, 3196 mSDsluCounter, 11619 mSDsCounter, 0 mSdLazyCounter, 2032 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3196 SdHoareTripleChecker+Valid, 12463 SdHoareTripleChecker+Invalid, 2063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 2032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 14:04:07,640 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3196 Valid, 12463 Invalid, 2063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 2032 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 14:04:08,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108799 states. [2022-03-15 14:04:09,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108799 to 51954. [2022-03-15 14:04:09,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51954 states, 51953 states have (on average 2.746309164052124) internal successors, (142679), 51953 states have internal predecessors, (142679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:09,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51954 states to 51954 states and 142679 transitions. [2022-03-15 14:04:09,343 INFO L78 Accepts]: Start accepts. Automaton has 51954 states and 142679 transitions. Word has length 163 [2022-03-15 14:04:09,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:04:09,343 INFO L470 AbstractCegarLoop]: Abstraction has 51954 states and 142679 transitions. [2022-03-15 14:04:09,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:09,343 INFO L276 IsEmpty]: Start isEmpty. Operand 51954 states and 142679 transitions. [2022-03-15 14:04:09,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:04:09,403 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:04:09,403 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:04:09,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-03-15 14:04:09,404 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:04:09,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:04:09,404 INFO L85 PathProgramCache]: Analyzing trace with hash 884785672, now seen corresponding path program 67 times [2022-03-15 14:04:09,404 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:04:09,404 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870660454] [2022-03-15 14:04:09,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:04:09,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:04:09,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:04:09,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:04:09,629 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:04:09,629 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870660454] [2022-03-15 14:04:09,629 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870660454] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:04:09,629 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:04:09,629 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:04:09,629 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815826168] [2022-03-15 14:04:09,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:04:09,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:04:09,630 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:04:09,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:04:09,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:04:09,630 INFO L87 Difference]: Start difference. First operand 51954 states and 142679 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:11,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:04:11,771 INFO L93 Difference]: Finished difference Result 107821 states and 297145 transitions. [2022-03-15 14:04:11,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-15 14:04:11,771 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:04:11,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:04:12,234 INFO L225 Difference]: With dead ends: 107821 [2022-03-15 14:04:12,235 INFO L226 Difference]: Without dead ends: 107682 [2022-03-15 14:04:12,235 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 613 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=520, Invalid=2236, Unknown=0, NotChecked=0, Total=2756 [2022-03-15 14:04:12,235 INFO L933 BasicCegarLoop]: 899 mSDtfsCounter, 2836 mSDsluCounter, 11010 mSDsCounter, 0 mSdLazyCounter, 1812 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2836 SdHoareTripleChecker+Valid, 11823 SdHoareTripleChecker+Invalid, 1855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-15 14:04:12,235 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2836 Valid, 11823 Invalid, 1855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1812 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-15 14:04:12,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107682 states. [2022-03-15 14:04:13,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107682 to 52002. [2022-03-15 14:04:13,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52002 states, 52001 states have (on average 2.746081806119113) internal successors, (142799), 52001 states have internal predecessors, (142799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:13,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52002 states to 52002 states and 142799 transitions. [2022-03-15 14:04:13,962 INFO L78 Accepts]: Start accepts. Automaton has 52002 states and 142799 transitions. Word has length 163 [2022-03-15 14:04:13,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:04:13,962 INFO L470 AbstractCegarLoop]: Abstraction has 52002 states and 142799 transitions. [2022-03-15 14:04:13,962 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:13,962 INFO L276 IsEmpty]: Start isEmpty. Operand 52002 states and 142799 transitions. [2022-03-15 14:04:14,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:04:14,019 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:04:14,019 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:04:14,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-03-15 14:04:14,019 INFO L402 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:04:14,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:04:14,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1684404804, now seen corresponding path program 68 times [2022-03-15 14:04:14,020 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:04:14,020 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28866966] [2022-03-15 14:04:14,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:04:14,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:04:14,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:04:14,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:04:14,239 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:04:14,239 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28866966] [2022-03-15 14:04:14,239 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28866966] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:04:14,239 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:04:14,239 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:04:14,239 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796252979] [2022-03-15 14:04:14,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:04:14,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:04:14,239 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:04:14,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:04:14,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:04:14,240 INFO L87 Difference]: Start difference. First operand 52002 states and 142799 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:16,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:04:16,222 INFO L93 Difference]: Finished difference Result 107745 states and 296949 transitions. [2022-03-15 14:04:16,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-15 14:04:16,222 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:04:16,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:04:16,466 INFO L225 Difference]: With dead ends: 107745 [2022-03-15 14:04:16,466 INFO L226 Difference]: Without dead ends: 107579 [2022-03-15 14:04:16,466 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 471 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=464, Invalid=1888, Unknown=0, NotChecked=0, Total=2352 [2022-03-15 14:04:16,466 INFO L933 BasicCegarLoop]: 895 mSDtfsCounter, 2794 mSDsluCounter, 11193 mSDsCounter, 0 mSdLazyCounter, 1804 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2794 SdHoareTripleChecker+Valid, 12002 SdHoareTripleChecker+Invalid, 1837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1804 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-15 14:04:16,467 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2794 Valid, 12002 Invalid, 1837 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1804 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-15 14:04:16,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107579 states. [2022-03-15 14:04:18,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107579 to 51966. [2022-03-15 14:04:18,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51966 states, 51965 states have (on average 2.746079091696334) internal successors, (142700), 51965 states have internal predecessors, (142700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:18,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51966 states to 51966 states and 142700 transitions. [2022-03-15 14:04:18,229 INFO L78 Accepts]: Start accepts. Automaton has 51966 states and 142700 transitions. Word has length 163 [2022-03-15 14:04:18,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:04:18,230 INFO L470 AbstractCegarLoop]: Abstraction has 51966 states and 142700 transitions. [2022-03-15 14:04:18,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:18,230 INFO L276 IsEmpty]: Start isEmpty. Operand 51966 states and 142700 transitions. [2022-03-15 14:04:18,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:04:18,288 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:04:18,288 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:04:18,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-03-15 14:04:18,289 INFO L402 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:04:18,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:04:18,289 INFO L85 PathProgramCache]: Analyzing trace with hash -278637108, now seen corresponding path program 69 times [2022-03-15 14:04:18,289 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:04:18,289 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744109811] [2022-03-15 14:04:18,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:04:18,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:04:18,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:04:18,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:04:18,510 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:04:18,511 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744109811] [2022-03-15 14:04:18,511 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744109811] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:04:18,511 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:04:18,511 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:04:18,511 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477718924] [2022-03-15 14:04:18,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:04:18,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:04:18,511 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:04:18,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:04:18,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:04:18,512 INFO L87 Difference]: Start difference. First operand 51966 states and 142700 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:20,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:04:20,629 INFO L93 Difference]: Finished difference Result 108066 states and 297723 transitions. [2022-03-15 14:04:20,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-03-15 14:04:20,629 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:04:20,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:04:21,032 INFO L225 Difference]: With dead ends: 108066 [2022-03-15 14:04:21,032 INFO L226 Difference]: Without dead ends: 107692 [2022-03-15 14:04:21,032 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 614 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=506, Invalid=2250, Unknown=0, NotChecked=0, Total=2756 [2022-03-15 14:04:21,033 INFO L933 BasicCegarLoop]: 924 mSDtfsCounter, 2670 mSDsluCounter, 11722 mSDsCounter, 0 mSdLazyCounter, 1951 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2670 SdHoareTripleChecker+Valid, 12540 SdHoareTripleChecker+Invalid, 1983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1951 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 14:04:21,033 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2670 Valid, 12540 Invalid, 1983 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1951 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 14:04:21,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107692 states. [2022-03-15 14:04:22,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107692 to 51750. [2022-03-15 14:04:22,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51750 states, 51749 states have (on average 2.747376760903592) internal successors, (142174), 51749 states have internal predecessors, (142174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:22,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51750 states to 51750 states and 142174 transitions. [2022-03-15 14:04:22,580 INFO L78 Accepts]: Start accepts. Automaton has 51750 states and 142174 transitions. Word has length 163 [2022-03-15 14:04:22,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:04:22,580 INFO L470 AbstractCegarLoop]: Abstraction has 51750 states and 142174 transitions. [2022-03-15 14:04:22,581 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:22,581 INFO L276 IsEmpty]: Start isEmpty. Operand 51750 states and 142174 transitions. [2022-03-15 14:04:22,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:04:22,838 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:04:22,838 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:04:22,838 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-03-15 14:04:22,838 INFO L402 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:04:22,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:04:22,838 INFO L85 PathProgramCache]: Analyzing trace with hash 904366146, now seen corresponding path program 70 times [2022-03-15 14:04:22,838 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:04:22,839 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457216862] [2022-03-15 14:04:22,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:04:22,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:04:22,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:04:23,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:04:23,099 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:04:23,099 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457216862] [2022-03-15 14:04:23,099 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457216862] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:04:23,099 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:04:23,099 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:04:23,099 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138484848] [2022-03-15 14:04:23,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:04:23,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:04:23,100 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:04:23,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:04:23,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:04:23,100 INFO L87 Difference]: Start difference. First operand 51750 states and 142174 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:25,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:04:25,642 INFO L93 Difference]: Finished difference Result 108239 states and 297897 transitions. [2022-03-15 14:04:25,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-15 14:04:25,642 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:04:25,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:04:25,905 INFO L225 Difference]: With dead ends: 108239 [2022-03-15 14:04:25,905 INFO L226 Difference]: Without dead ends: 107815 [2022-03-15 14:04:25,905 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 675 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=548, Invalid=2314, Unknown=0, NotChecked=0, Total=2862 [2022-03-15 14:04:25,905 INFO L933 BasicCegarLoop]: 954 mSDtfsCounter, 3393 mSDsluCounter, 11351 mSDsCounter, 0 mSdLazyCounter, 2133 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3393 SdHoareTripleChecker+Valid, 12202 SdHoareTripleChecker+Invalid, 2165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 14:04:25,906 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3393 Valid, 12202 Invalid, 2165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2133 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 14:04:26,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107815 states. [2022-03-15 14:04:27,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107815 to 51766. [2022-03-15 14:04:27,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51766 states, 51765 states have (on average 2.7473002994301168) internal successors, (142214), 51765 states have internal predecessors, (142214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:27,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51766 states to 51766 states and 142214 transitions. [2022-03-15 14:04:27,711 INFO L78 Accepts]: Start accepts. Automaton has 51766 states and 142214 transitions. Word has length 163 [2022-03-15 14:04:27,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:04:27,711 INFO L470 AbstractCegarLoop]: Abstraction has 51766 states and 142214 transitions. [2022-03-15 14:04:27,711 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:27,711 INFO L276 IsEmpty]: Start isEmpty. Operand 51766 states and 142214 transitions. [2022-03-15 14:04:27,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:04:27,770 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:04:27,770 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:04:27,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-03-15 14:04:27,770 INFO L402 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:04:27,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:04:27,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1535444840, now seen corresponding path program 71 times [2022-03-15 14:04:27,771 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:04:27,771 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727619353] [2022-03-15 14:04:27,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:04:27,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:04:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:04:28,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:04:28,001 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:04:28,001 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727619353] [2022-03-15 14:04:28,001 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727619353] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:04:28,001 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:04:28,001 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:04:28,001 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957715361] [2022-03-15 14:04:28,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:04:28,001 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:04:28,001 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:04:28,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:04:28,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:04:28,002 INFO L87 Difference]: Start difference. First operand 51766 states and 142214 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:30,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:04:30,368 INFO L93 Difference]: Finished difference Result 109073 states and 300191 transitions. [2022-03-15 14:04:30,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-03-15 14:04:30,369 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:04:30,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:04:30,785 INFO L225 Difference]: With dead ends: 109073 [2022-03-15 14:04:30,785 INFO L226 Difference]: Without dead ends: 108668 [2022-03-15 14:04:30,785 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 827 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=608, Invalid=2698, Unknown=0, NotChecked=0, Total=3306 [2022-03-15 14:04:30,785 INFO L933 BasicCegarLoop]: 954 mSDtfsCounter, 3198 mSDsluCounter, 11423 mSDsCounter, 0 mSdLazyCounter, 2128 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3198 SdHoareTripleChecker+Valid, 12281 SdHoareTripleChecker+Invalid, 2163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 14:04:30,785 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3198 Valid, 12281 Invalid, 2163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2128 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 14:04:30,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108668 states. [2022-03-15 14:04:32,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108668 to 51922. [2022-03-15 14:04:32,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51922 states, 51921 states have (on average 2.7463068893126095) internal successors, (142591), 51921 states have internal predecessors, (142591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:32,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51922 states to 51922 states and 142591 transitions. [2022-03-15 14:04:32,432 INFO L78 Accepts]: Start accepts. Automaton has 51922 states and 142591 transitions. Word has length 163 [2022-03-15 14:04:32,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:04:32,432 INFO L470 AbstractCegarLoop]: Abstraction has 51922 states and 142591 transitions. [2022-03-15 14:04:32,432 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:32,432 INFO L276 IsEmpty]: Start isEmpty. Operand 51922 states and 142591 transitions. [2022-03-15 14:04:32,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:04:32,486 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:04:32,486 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:04:32,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-03-15 14:04:32,486 INFO L402 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:04:32,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:04:32,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1712209336, now seen corresponding path program 72 times [2022-03-15 14:04:32,487 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:04:32,487 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948310436] [2022-03-15 14:04:32,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:04:32,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:04:32,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:04:32,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:04:32,706 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:04:32,706 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948310436] [2022-03-15 14:04:32,706 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948310436] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:04:32,706 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:04:32,706 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:04:32,706 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097407178] [2022-03-15 14:04:32,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:04:32,707 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:04:32,707 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:04:32,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:04:32,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:04:32,707 INFO L87 Difference]: Start difference. First operand 51922 states and 142591 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:34,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:04:34,846 INFO L93 Difference]: Finished difference Result 107690 states and 296791 transitions. [2022-03-15 14:04:34,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-03-15 14:04:34,847 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:04:34,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:04:35,102 INFO L225 Difference]: With dead ends: 107690 [2022-03-15 14:04:35,102 INFO L226 Difference]: Without dead ends: 107551 [2022-03-15 14:04:35,102 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 691 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=574, Invalid=2396, Unknown=0, NotChecked=0, Total=2970 [2022-03-15 14:04:35,102 INFO L933 BasicCegarLoop]: 907 mSDtfsCounter, 2576 mSDsluCounter, 11574 mSDsCounter, 0 mSdLazyCounter, 2048 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2576 SdHoareTripleChecker+Valid, 12386 SdHoareTripleChecker+Invalid, 2091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 2048 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 14:04:35,102 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2576 Valid, 12386 Invalid, 2091 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 2048 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 14:04:35,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107551 states. [2022-03-15 14:04:36,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107551 to 51970. [2022-03-15 14:04:36,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51970 states, 51969 states have (on average 2.7460793934845773) internal successors, (142711), 51969 states have internal predecessors, (142711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:36,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51970 states to 51970 states and 142711 transitions. [2022-03-15 14:04:36,764 INFO L78 Accepts]: Start accepts. Automaton has 51970 states and 142711 transitions. Word has length 163 [2022-03-15 14:04:36,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:04:36,764 INFO L470 AbstractCegarLoop]: Abstraction has 51970 states and 142711 transitions. [2022-03-15 14:04:36,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:36,764 INFO L276 IsEmpty]: Start isEmpty. Operand 51970 states and 142711 transitions. [2022-03-15 14:04:36,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:04:36,824 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:04:36,825 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] [2022-03-15 14:04:36,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-03-15 14:04:36,825 INFO L402 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:04:36,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:04:36,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1783138828, now seen corresponding path program 73 times [2022-03-15 14:04:36,825 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:04:36,825 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369805671] [2022-03-15 14:04:36,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:04:36,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:04:36,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:04:37,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:04:37,039 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:04:37,039 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369805671] [2022-03-15 14:04:37,039 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369805671] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:04:37,039 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:04:37,039 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:04:37,039 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494702405] [2022-03-15 14:04:37,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:04:37,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:04:37,040 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:04:37,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:04:37,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:04:37,040 INFO L87 Difference]: Start difference. First operand 51970 states and 142711 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:39,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:04:39,274 INFO L93 Difference]: Finished difference Result 107614 states and 296595 transitions. [2022-03-15 14:04:39,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-15 14:04:39,275 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:04:39,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:04:39,509 INFO L225 Difference]: With dead ends: 107614 [2022-03-15 14:04:39,509 INFO L226 Difference]: Without dead ends: 107448 [2022-03-15 14:04:39,510 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 540 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=508, Invalid=2042, Unknown=0, NotChecked=0, Total=2550 [2022-03-15 14:04:39,510 INFO L933 BasicCegarLoop]: 903 mSDtfsCounter, 2520 mSDsluCounter, 11778 mSDsCounter, 0 mSdLazyCounter, 2037 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2520 SdHoareTripleChecker+Valid, 12587 SdHoareTripleChecker+Invalid, 2069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 14:04:39,510 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2520 Valid, 12587 Invalid, 2069 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2037 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 14:04:39,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107448 states. [2022-03-15 14:04:40,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107448 to 51934. [2022-03-15 14:04:41,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51934 states, 51933 states have (on average 2.746076675716789) internal successors, (142612), 51933 states have internal predecessors, (142612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:41,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51934 states to 51934 states and 142612 transitions. [2022-03-15 14:04:41,122 INFO L78 Accepts]: Start accepts. Automaton has 51934 states and 142612 transitions. Word has length 163 [2022-03-15 14:04:41,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:04:41,123 INFO L470 AbstractCegarLoop]: Abstraction has 51934 states and 142612 transitions. [2022-03-15 14:04:41,123 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:41,123 INFO L276 IsEmpty]: Start isEmpty. Operand 51934 states and 142612 transitions. [2022-03-15 14:04:41,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:04:41,359 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:04:41,360 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] [2022-03-15 14:04:41,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-03-15 14:04:41,360 INFO L402 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:04:41,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:04:41,360 INFO L85 PathProgramCache]: Analyzing trace with hash 548786556, now seen corresponding path program 74 times [2022-03-15 14:04:41,360 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:04:41,360 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32307850] [2022-03-15 14:04:41,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:04:41,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:04:41,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:04:41,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:04:41,597 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:04:41,597 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32307850] [2022-03-15 14:04:41,597 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32307850] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:04:41,597 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:04:41,597 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:04:41,597 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604762449] [2022-03-15 14:04:41,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:04:41,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:04:41,597 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:04:41,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:04:41,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:04:41,598 INFO L87 Difference]: Start difference. First operand 51934 states and 142612 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:43,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:04:43,930 INFO L93 Difference]: Finished difference Result 107935 states and 297369 transitions. [2022-03-15 14:04:43,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-03-15 14:04:43,931 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:04:43,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:04:44,193 INFO L225 Difference]: With dead ends: 107935 [2022-03-15 14:04:44,194 INFO L226 Difference]: Without dead ends: 107597 [2022-03-15 14:04:44,194 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 693 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=561, Invalid=2409, Unknown=0, NotChecked=0, Total=2970 [2022-03-15 14:04:44,194 INFO L933 BasicCegarLoop]: 932 mSDtfsCounter, 2608 mSDsluCounter, 12072 mSDsCounter, 0 mSdLazyCounter, 2169 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2608 SdHoareTripleChecker+Valid, 12893 SdHoareTripleChecker+Invalid, 2202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 2169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 14:04:44,194 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2608 Valid, 12893 Invalid, 2202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 2169 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 14:04:44,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107597 states. [2022-03-15 14:04:45,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107597 to 51754. [2022-03-15 14:04:45,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51754 states, 51753 states have (on average 2.7472996734488824) internal successors, (142181), 51753 states have internal predecessors, (142181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:45,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51754 states to 51754 states and 142181 transitions. [2022-03-15 14:04:45,906 INFO L78 Accepts]: Start accepts. Automaton has 51754 states and 142181 transitions. Word has length 163 [2022-03-15 14:04:45,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:04:45,906 INFO L470 AbstractCegarLoop]: Abstraction has 51754 states and 142181 transitions. [2022-03-15 14:04:45,906 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:45,906 INFO L276 IsEmpty]: Start isEmpty. Operand 51754 states and 142181 transitions. [2022-03-15 14:04:45,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:04:45,961 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:04:45,961 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:04:45,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-03-15 14:04:45,961 INFO L402 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:04:45,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:04:45,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1807372512, now seen corresponding path program 75 times [2022-03-15 14:04:45,962 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:04:45,962 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279785035] [2022-03-15 14:04:45,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:04:45,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:04:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:04:46,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:04:46,172 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:04:46,172 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279785035] [2022-03-15 14:04:46,172 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279785035] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:04:46,173 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:04:46,173 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:04:46,173 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163242047] [2022-03-15 14:04:46,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:04:46,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:04:46,173 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:04:46,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:04:46,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:04:46,174 INFO L87 Difference]: Start difference. First operand 51754 states and 142181 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:48,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:04:48,586 INFO L93 Difference]: Finished difference Result 108213 states and 297975 transitions. [2022-03-15 14:04:48,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-03-15 14:04:48,586 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:04:48,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:04:49,022 INFO L225 Difference]: With dead ends: 108213 [2022-03-15 14:04:49,023 INFO L226 Difference]: Without dead ends: 107808 [2022-03-15 14:04:49,023 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 886 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=638, Invalid=2784, Unknown=0, NotChecked=0, Total=3422 [2022-03-15 14:04:49,023 INFO L933 BasicCegarLoop]: 976 mSDtfsCounter, 2963 mSDsluCounter, 12298 mSDsCounter, 0 mSdLazyCounter, 2253 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2963 SdHoareTripleChecker+Valid, 13163 SdHoareTripleChecker+Invalid, 2287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 14:04:49,023 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2963 Valid, 13163 Invalid, 2287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2253 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 14:04:49,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107808 states. [2022-03-15 14:04:50,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107808 to 51962. [2022-03-15 14:04:50,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51962 states, 51961 states have (on average 2.7463097322992245) internal successors, (142701), 51961 states have internal predecessors, (142701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:50,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51962 states to 51962 states and 142701 transitions. [2022-03-15 14:04:50,656 INFO L78 Accepts]: Start accepts. Automaton has 51962 states and 142701 transitions. Word has length 163 [2022-03-15 14:04:50,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:04:50,656 INFO L470 AbstractCegarLoop]: Abstraction has 51962 states and 142701 transitions. [2022-03-15 14:04:50,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:50,656 INFO L276 IsEmpty]: Start isEmpty. Operand 51962 states and 142701 transitions. [2022-03-15 14:04:50,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:04:50,707 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:04:50,707 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:04:50,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-03-15 14:04:50,707 INFO L402 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:04:50,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:04:50,707 INFO L85 PathProgramCache]: Analyzing trace with hash 760059392, now seen corresponding path program 76 times [2022-03-15 14:04:50,708 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:04:50,708 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418327038] [2022-03-15 14:04:50,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:04:50,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:04:50,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:04:50,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:04:50,925 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:04:50,925 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418327038] [2022-03-15 14:04:50,925 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418327038] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:04:50,925 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:04:50,925 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:04:50,925 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513544167] [2022-03-15 14:04:50,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:04:50,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:04:50,926 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:04:50,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:04:50,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:04:50,926 INFO L87 Difference]: Start difference. First operand 51962 states and 142701 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:53,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:04:53,168 INFO L93 Difference]: Finished difference Result 107527 states and 296415 transitions. [2022-03-15 14:04:53,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-03-15 14:04:53,168 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:04:53,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:04:53,412 INFO L225 Difference]: With dead ends: 107527 [2022-03-15 14:04:53,413 INFO L226 Difference]: Without dead ends: 107388 [2022-03-15 14:04:53,413 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 781 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=618, Invalid=2574, Unknown=0, NotChecked=0, Total=3192 [2022-03-15 14:04:53,413 INFO L933 BasicCegarLoop]: 928 mSDtfsCounter, 2838 mSDsluCounter, 11575 mSDsCounter, 0 mSdLazyCounter, 1980 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2838 SdHoareTripleChecker+Valid, 12408 SdHoareTripleChecker+Invalid, 2027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 14:04:53,413 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2838 Valid, 12408 Invalid, 2027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1980 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 14:04:53,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107388 states. [2022-03-15 14:04:54,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107388 to 52010. [2022-03-15 14:04:55,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52010 states, 52009 states have (on average 2.746082408813859) internal successors, (142821), 52009 states have internal predecessors, (142821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:55,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52010 states to 52010 states and 142821 transitions. [2022-03-15 14:04:55,186 INFO L78 Accepts]: Start accepts. Automaton has 52010 states and 142821 transitions. Word has length 163 [2022-03-15 14:04:55,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:04:55,186 INFO L470 AbstractCegarLoop]: Abstraction has 52010 states and 142821 transitions. [2022-03-15 14:04:55,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:55,187 INFO L276 IsEmpty]: Start isEmpty. Operand 52010 states and 142821 transitions. [2022-03-15 14:04:55,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:04:55,246 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:04:55,246 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:04:55,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-03-15 14:04:55,246 INFO L402 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:04:55,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:04:55,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1559678524, now seen corresponding path program 77 times [2022-03-15 14:04:55,247 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:04:55,247 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835491805] [2022-03-15 14:04:55,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:04:55,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:04:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:04:55,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:04:55,463 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:04:55,463 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835491805] [2022-03-15 14:04:55,463 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835491805] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:04:55,463 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:04:55,463 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:04:55,463 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360018317] [2022-03-15 14:04:55,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:04:55,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:04:55,463 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:04:55,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:04:55,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:04:55,464 INFO L87 Difference]: Start difference. First operand 52010 states and 142821 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:57,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:04:57,657 INFO L93 Difference]: Finished difference Result 107451 states and 296219 transitions. [2022-03-15 14:04:57,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-03-15 14:04:57,657 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:04:57,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:04:58,059 INFO L225 Difference]: With dead ends: 107451 [2022-03-15 14:04:58,059 INFO L226 Difference]: Without dead ends: 107285 [2022-03-15 14:04:58,059 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 617 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=545, Invalid=2211, Unknown=0, NotChecked=0, Total=2756 [2022-03-15 14:04:58,060 INFO L933 BasicCegarLoop]: 924 mSDtfsCounter, 2971 mSDsluCounter, 11282 mSDsCounter, 0 mSdLazyCounter, 1930 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2971 SdHoareTripleChecker+Valid, 12119 SdHoareTripleChecker+Invalid, 1965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1930 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 14:04:58,060 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2971 Valid, 12119 Invalid, 1965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1930 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 14:04:58,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107285 states. [2022-03-15 14:04:59,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107285 to 51974. [2022-03-15 14:04:59,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51974 states, 51973 states have (on average 2.7460796952263675) internal successors, (142722), 51973 states have internal predecessors, (142722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:59,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51974 states to 51974 states and 142722 transitions. [2022-03-15 14:04:59,497 INFO L78 Accepts]: Start accepts. Automaton has 51974 states and 142722 transitions. Word has length 163 [2022-03-15 14:04:59,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:04:59,497 INFO L470 AbstractCegarLoop]: Abstraction has 51974 states and 142722 transitions. [2022-03-15 14:04:59,497 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:59,498 INFO L276 IsEmpty]: Start isEmpty. Operand 51974 states and 142722 transitions. [2022-03-15 14:04:59,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:04:59,732 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:04:59,733 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:04:59,733 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2022-03-15 14:04:59,733 INFO L402 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:04:59,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:04:59,733 INFO L85 PathProgramCache]: Analyzing trace with hash -403363388, now seen corresponding path program 78 times [2022-03-15 14:04:59,733 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:04:59,733 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705542508] [2022-03-15 14:04:59,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:04:59,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:04:59,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:04:59,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:04:59,960 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:04:59,960 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705542508] [2022-03-15 14:04:59,960 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705542508] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:04:59,960 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:04:59,960 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:04:59,960 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249469880] [2022-03-15 14:04:59,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:04:59,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:04:59,960 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:04:59,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:04:59,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:04:59,961 INFO L87 Difference]: Start difference. First operand 51974 states and 142722 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:05:02,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:05:02,304 INFO L93 Difference]: Finished difference Result 107772 states and 296993 transitions. [2022-03-15 14:05:02,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-15 14:05:02,304 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:05:02,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:05:02,553 INFO L225 Difference]: With dead ends: 107772 [2022-03-15 14:05:02,553 INFO L226 Difference]: Without dead ends: 107446 [2022-03-15 14:05:02,553 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 820 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=624, Invalid=2682, Unknown=0, NotChecked=0, Total=3306 [2022-03-15 14:05:02,554 INFO L933 BasicCegarLoop]: 949 mSDtfsCounter, 2677 mSDsluCounter, 11624 mSDsCounter, 0 mSdLazyCounter, 2121 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2677 SdHoareTripleChecker+Valid, 12481 SdHoareTripleChecker+Invalid, 2159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 2121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 14:05:02,554 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2677 Valid, 12481 Invalid, 2159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 2121 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 14:05:02,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107446 states. [2022-03-15 14:05:04,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107446 to 51806. [2022-03-15 14:05:04,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51806 states, 51805 states have (on average 2.746298619824341) internal successors, (142272), 51805 states have internal predecessors, (142272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:05:04,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51806 states to 51806 states and 142272 transitions. [2022-03-15 14:05:04,211 INFO L78 Accepts]: Start accepts. Automaton has 51806 states and 142272 transitions. Word has length 163 [2022-03-15 14:05:04,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:05:04,211 INFO L470 AbstractCegarLoop]: Abstraction has 51806 states and 142272 transitions. [2022-03-15 14:05:04,211 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:05:04,211 INFO L276 IsEmpty]: Start isEmpty. Operand 51806 states and 142272 transitions. [2022-03-15 14:05:04,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:05:04,264 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:05:04,264 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:05:04,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2022-03-15 14:05:04,264 INFO L402 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:05:04,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:05:04,265 INFO L85 PathProgramCache]: Analyzing trace with hash 203937120, now seen corresponding path program 79 times [2022-03-15 14:05:04,265 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:05:04,265 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127512154] [2022-03-15 14:05:04,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:05:04,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:05:04,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:05:04,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:05:04,478 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:05:04,478 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127512154] [2022-03-15 14:05:04,478 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127512154] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:05:04,478 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:05:04,478 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:05:04,478 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535578386] [2022-03-15 14:05:04,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:05:04,478 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:05:04,479 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:05:04,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:05:04,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:05:04,479 INFO L87 Difference]: Start difference. First operand 51806 states and 142272 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:05:06,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:05:06,720 INFO L93 Difference]: Finished difference Result 106763 states and 294314 transitions. [2022-03-15 14:05:06,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-03-15 14:05:06,720 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:05:06,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:05:07,128 INFO L225 Difference]: With dead ends: 106763 [2022-03-15 14:05:07,128 INFO L226 Difference]: Without dead ends: 106624 [2022-03-15 14:05:07,128 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 788 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=632, Invalid=2560, Unknown=0, NotChecked=0, Total=3192 [2022-03-15 14:05:07,128 INFO L933 BasicCegarLoop]: 922 mSDtfsCounter, 2892 mSDsluCounter, 11255 mSDsCounter, 0 mSdLazyCounter, 1908 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2892 SdHoareTripleChecker+Valid, 12087 SdHoareTripleChecker+Invalid, 1952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 14:05:07,128 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2892 Valid, 12087 Invalid, 1952 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1908 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 14:05:07,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106624 states. [2022-03-15 14:05:08,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106624 to 51858. [2022-03-15 14:05:08,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51858 states, 51857 states have (on average 2.7460709258152227) internal successors, (142403), 51857 states have internal predecessors, (142403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:05:08,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51858 states to 51858 states and 142403 transitions. [2022-03-15 14:05:08,586 INFO L78 Accepts]: Start accepts. Automaton has 51858 states and 142403 transitions. Word has length 163 [2022-03-15 14:05:08,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:05:08,587 INFO L470 AbstractCegarLoop]: Abstraction has 51858 states and 142403 transitions. [2022-03-15 14:05:08,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:05:08,587 INFO L276 IsEmpty]: Start isEmpty. Operand 51858 states and 142403 transitions. [2022-03-15 14:05:08,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:05:08,833 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:05:08,833 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:05:08,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2022-03-15 14:05:08,833 INFO L402 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:05:08,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:05:08,834 INFO L85 PathProgramCache]: Analyzing trace with hash 1003556252, now seen corresponding path program 80 times [2022-03-15 14:05:08,834 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:05:08,834 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972466572] [2022-03-15 14:05:08,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:05:08,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:05:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:05:09,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:05:09,060 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:05:09,060 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972466572] [2022-03-15 14:05:09,061 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972466572] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:05:09,061 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:05:09,061 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:05:09,061 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489440299] [2022-03-15 14:05:09,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:05:09,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:05:09,061 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:05:09,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:05:09,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:05:09,062 INFO L87 Difference]: Start difference. First operand 51858 states and 142403 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:05:11,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:05:11,237 INFO L93 Difference]: Finished difference Result 106735 states and 294234 transitions. [2022-03-15 14:05:11,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-03-15 14:05:11,238 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:05:11,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:05:11,480 INFO L225 Difference]: With dead ends: 106735 [2022-03-15 14:05:11,481 INFO L226 Difference]: Without dead ends: 106569 [2022-03-15 14:05:11,481 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 617 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=551, Invalid=2205, Unknown=0, NotChecked=0, Total=2756 [2022-03-15 14:05:11,481 INFO L933 BasicCegarLoop]: 918 mSDtfsCounter, 3015 mSDsluCounter, 11241 mSDsCounter, 0 mSdLazyCounter, 1874 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3015 SdHoareTripleChecker+Valid, 12071 SdHoareTripleChecker+Invalid, 1905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1874 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 14:05:11,481 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3015 Valid, 12071 Invalid, 1905 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1874 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 14:05:11,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106569 states. [2022-03-15 14:05:12,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106569 to 51822. [2022-03-15 14:05:13,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51822 states, 51821 states have (on average 2.746068196291079) internal successors, (142304), 51821 states have internal predecessors, (142304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:05:13,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51822 states to 51822 states and 142304 transitions. [2022-03-15 14:05:13,123 INFO L78 Accepts]: Start accepts. Automaton has 51822 states and 142304 transitions. Word has length 163 [2022-03-15 14:05:13,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:05:13,124 INFO L470 AbstractCegarLoop]: Abstraction has 51822 states and 142304 transitions. [2022-03-15 14:05:13,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:05:13,124 INFO L276 IsEmpty]: Start isEmpty. Operand 51822 states and 142304 transitions. [2022-03-15 14:05:13,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:05:13,182 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:05:13,182 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:05:13,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2022-03-15 14:05:13,183 INFO L402 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:05:13,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:05:13,183 INFO L85 PathProgramCache]: Analyzing trace with hash 722826336, now seen corresponding path program 81 times [2022-03-15 14:05:13,183 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:05:13,183 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308241547] [2022-03-15 14:05:13,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:05:13,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:05:13,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:05:13,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:05:13,415 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:05:13,415 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308241547] [2022-03-15 14:05:13,415 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308241547] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:05:13,416 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:05:13,416 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:05:13,416 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540698752] [2022-03-15 14:05:13,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:05:13,416 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:05:13,416 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:05:13,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:05:13,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:05:13,416 INFO L87 Difference]: Start difference. First operand 51822 states and 142304 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:05:15,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:05:15,740 INFO L93 Difference]: Finished difference Result 106965 states and 294760 transitions. [2022-03-15 14:05:15,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-03-15 14:05:15,740 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:05:15,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:05:16,130 INFO L225 Difference]: With dead ends: 106965 [2022-03-15 14:05:16,130 INFO L226 Difference]: Without dead ends: 106795 [2022-03-15 14:05:16,130 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 781 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=617, Invalid=2575, Unknown=0, NotChecked=0, Total=3192 [2022-03-15 14:05:16,131 INFO L933 BasicCegarLoop]: 942 mSDtfsCounter, 2752 mSDsluCounter, 12153 mSDsCounter, 0 mSdLazyCounter, 2097 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2752 SdHoareTripleChecker+Valid, 12990 SdHoareTripleChecker+Invalid, 2133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 2097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 14:05:16,131 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2752 Valid, 12990 Invalid, 2133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 2097 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 14:05:16,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106795 states. [2022-03-15 14:05:17,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106795 to 51810. [2022-03-15 14:05:17,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51810 states, 51809 states have (on average 2.746221698932618) internal successors, (142279), 51809 states have internal predecessors, (142279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:05:17,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51810 states to 51810 states and 142279 transitions. [2022-03-15 14:05:17,532 INFO L78 Accepts]: Start accepts. Automaton has 51810 states and 142279 transitions. Word has length 163 [2022-03-15 14:05:17,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:05:17,532 INFO L470 AbstractCegarLoop]: Abstraction has 51810 states and 142279 transitions. [2022-03-15 14:05:17,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:05:17,533 INFO L276 IsEmpty]: Start isEmpty. Operand 51810 states and 142279 transitions. [2022-03-15 14:05:17,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:05:17,768 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:05:17,768 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] [2022-03-15 14:05:17,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2022-03-15 14:05:17,768 INFO L402 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:05:17,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:05:17,770 INFO L85 PathProgramCache]: Analyzing trace with hash -604180324, now seen corresponding path program 82 times [2022-03-15 14:05:17,770 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:05:17,770 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418607231] [2022-03-15 14:05:17,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:05:17,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:05:17,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:05:17,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:05:17,996 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:05:17,996 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418607231] [2022-03-15 14:05:17,996 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418607231] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:05:17,996 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:05:17,997 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:05:17,997 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152682593] [2022-03-15 14:05:17,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:05:17,997 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:05:17,997 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:05:17,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:05:17,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:05:17,997 INFO L87 Difference]: Start difference. First operand 51810 states and 142279 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:05:20,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:05:20,230 INFO L93 Difference]: Finished difference Result 106288 states and 293019 transitions. [2022-03-15 14:05:20,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-03-15 14:05:20,231 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:05:20,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:05:20,473 INFO L225 Difference]: With dead ends: 106288 [2022-03-15 14:05:20,473 INFO L226 Difference]: Without dead ends: 106149 [2022-03-15 14:05:20,473 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 671 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=603, Invalid=2367, Unknown=0, NotChecked=0, Total=2970 [2022-03-15 14:05:20,473 INFO L933 BasicCegarLoop]: 912 mSDtfsCounter, 2919 mSDsluCounter, 11205 mSDsCounter, 0 mSdLazyCounter, 1855 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2919 SdHoareTripleChecker+Valid, 12027 SdHoareTripleChecker+Invalid, 1908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 1855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 14:05:20,474 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2919 Valid, 12027 Invalid, 1908 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 1855 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 14:05:20,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106149 states. [2022-03-15 14:05:21,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106149 to 51858. [2022-03-15 14:05:22,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51858 states, 51857 states have (on average 2.7459937906165033) internal successors, (142399), 51857 states have internal predecessors, (142399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:05:22,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51858 states to 51858 states and 142399 transitions. [2022-03-15 14:05:22,131 INFO L78 Accepts]: Start accepts. Automaton has 51858 states and 142399 transitions. Word has length 163 [2022-03-15 14:05:22,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:05:22,132 INFO L470 AbstractCegarLoop]: Abstraction has 51858 states and 142399 transitions. [2022-03-15 14:05:22,132 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:05:22,132 INFO L276 IsEmpty]: Start isEmpty. Operand 51858 states and 142399 transitions. [2022-03-15 14:05:22,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:05:22,184 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:05:22,184 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:05:22,184 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2022-03-15 14:05:22,184 INFO L402 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:05:22,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:05:22,185 INFO L85 PathProgramCache]: Analyzing trace with hash 195438808, now seen corresponding path program 83 times [2022-03-15 14:05:22,185 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:05:22,185 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036991970] [2022-03-15 14:05:22,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:05:22,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:05:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:05:22,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:05:22,400 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:05:22,400 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036991970] [2022-03-15 14:05:22,400 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036991970] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:05:22,400 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:05:22,400 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:05:22,400 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572634536] [2022-03-15 14:05:22,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:05:22,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:05:22,401 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:05:22,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:05:22,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:05:22,401 INFO L87 Difference]: Start difference. First operand 51858 states and 142399 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:05:24,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:05:24,612 INFO L93 Difference]: Finished difference Result 106279 states and 292989 transitions. [2022-03-15 14:05:24,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-15 14:05:24,613 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:05:24,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:05:24,868 INFO L225 Difference]: With dead ends: 106279 [2022-03-15 14:05:24,869 INFO L226 Difference]: Without dead ends: 106113 [2022-03-15 14:05:24,869 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 633 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=552, Invalid=2310, Unknown=0, NotChecked=0, Total=2862 [2022-03-15 14:05:24,869 INFO L933 BasicCegarLoop]: 933 mSDtfsCounter, 2867 mSDsluCounter, 11672 mSDsCounter, 0 mSdLazyCounter, 1894 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2867 SdHoareTripleChecker+Valid, 12488 SdHoareTripleChecker+Invalid, 1928 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1894 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 14:05:24,869 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2867 Valid, 12488 Invalid, 1928 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1894 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 14:05:25,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106113 states. [2022-03-15 14:05:26,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106113 to 51822. [2022-03-15 14:05:26,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51822 states, 51821 states have (on average 2.745991007506609) internal successors, (142300), 51821 states have internal predecessors, (142300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:05:26,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51822 states to 51822 states and 142300 transitions. [2022-03-15 14:05:26,453 INFO L78 Accepts]: Start accepts. Automaton has 51822 states and 142300 transitions. Word has length 163 [2022-03-15 14:05:26,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:05:26,453 INFO L470 AbstractCegarLoop]: Abstraction has 51822 states and 142300 transitions. [2022-03-15 14:05:26,453 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:05:26,454 INFO L276 IsEmpty]: Start isEmpty. Operand 51822 states and 142300 transitions. [2022-03-15 14:05:26,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:05:26,511 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:05:26,511 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:05:26,511 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2022-03-15 14:05:26,511 INFO L402 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:05:26,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:05:26,512 INFO L85 PathProgramCache]: Analyzing trace with hash 464073824, now seen corresponding path program 84 times [2022-03-15 14:05:26,512 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:05:26,512 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672290127] [2022-03-15 14:05:26,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:05:26,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:05:26,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:05:26,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:05:26,922 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:05:26,922 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672290127] [2022-03-15 14:05:26,922 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672290127] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:05:26,922 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:05:26,922 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:05:26,922 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745362225] [2022-03-15 14:05:26,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:05:26,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:05:26,922 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:05:26,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:05:26,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:05:26,923 INFO L87 Difference]: Start difference. First operand 51822 states and 142300 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:05:29,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:05:29,080 INFO L93 Difference]: Finished difference Result 106110 states and 292596 transitions. [2022-03-15 14:05:29,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-03-15 14:05:29,080 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:05:29,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:05:29,329 INFO L225 Difference]: With dead ends: 106110 [2022-03-15 14:05:29,329 INFO L226 Difference]: Without dead ends: 105768 [2022-03-15 14:05:29,330 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 603 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=520, Invalid=2236, Unknown=0, NotChecked=0, Total=2756 [2022-03-15 14:05:29,330 INFO L933 BasicCegarLoop]: 958 mSDtfsCounter, 3131 mSDsluCounter, 11466 mSDsCounter, 0 mSdLazyCounter, 1900 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3131 SdHoareTripleChecker+Valid, 12311 SdHoareTripleChecker+Invalid, 1933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1900 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 14:05:29,330 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3131 Valid, 12311 Invalid, 1933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1900 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 14:05:29,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105768 states. [2022-03-15 14:05:30,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105768 to 51626. [2022-03-15 14:05:30,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51626 states, 51625 states have (on average 2.7475254237288134) internal successors, (141841), 51625 states have internal predecessors, (141841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:05:31,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51626 states to 51626 states and 141841 transitions. [2022-03-15 14:05:31,034 INFO L78 Accepts]: Start accepts. Automaton has 51626 states and 141841 transitions. Word has length 163 [2022-03-15 14:05:31,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:05:31,034 INFO L470 AbstractCegarLoop]: Abstraction has 51626 states and 141841 transitions. [2022-03-15 14:05:31,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:05:31,035 INFO L276 IsEmpty]: Start isEmpty. Operand 51626 states and 141841 transitions. [2022-03-15 14:05:31,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:05:31,085 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:05:31,085 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:05:31,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2022-03-15 14:05:31,086 INFO L402 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:05:31,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:05:31,086 INFO L85 PathProgramCache]: Analyzing trace with hash -75461088, now seen corresponding path program 85 times [2022-03-15 14:05:31,086 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:05:31,086 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655712532] [2022-03-15 14:05:31,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:05:31,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:05:31,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:05:31,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:05:31,301 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:05:31,301 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655712532] [2022-03-15 14:05:31,301 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655712532] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:05:31,301 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:05:31,301 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:05:31,301 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359379687] [2022-03-15 14:05:31,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:05:31,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:05:31,302 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:05:31,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:05:31,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:05:31,302 INFO L87 Difference]: Start difference. First operand 51626 states and 141841 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:05:33,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:05:33,771 INFO L93 Difference]: Finished difference Result 134888 states and 371510 transitions. [2022-03-15 14:05:33,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-03-15 14:05:33,772 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:05:33,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:05:34,271 INFO L225 Difference]: With dead ends: 134888 [2022-03-15 14:05:34,271 INFO L226 Difference]: Without dead ends: 134534 [2022-03-15 14:05:34,271 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 853 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=672, Invalid=2634, Unknown=0, NotChecked=0, Total=3306 [2022-03-15 14:05:34,272 INFO L933 BasicCegarLoop]: 939 mSDtfsCounter, 3761 mSDsluCounter, 11311 mSDsCounter, 0 mSdLazyCounter, 2112 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3761 SdHoareTripleChecker+Valid, 12138 SdHoareTripleChecker+Invalid, 2142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 2112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 14:05:34,272 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3761 Valid, 12138 Invalid, 2142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 2112 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 14:05:34,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134534 states. [2022-03-15 14:05:35,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134534 to 52730. [2022-03-15 14:05:36,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52730 states, 52729 states have (on average 2.7465910599480363) internal successors, (144825), 52729 states have internal predecessors, (144825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:05:36,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52730 states to 52730 states and 144825 transitions. [2022-03-15 14:05:36,144 INFO L78 Accepts]: Start accepts. Automaton has 52730 states and 144825 transitions. Word has length 163 [2022-03-15 14:05:36,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:05:36,145 INFO L470 AbstractCegarLoop]: Abstraction has 52730 states and 144825 transitions. [2022-03-15 14:05:36,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:05:36,145 INFO L276 IsEmpty]: Start isEmpty. Operand 52730 states and 144825 transitions. [2022-03-15 14:05:36,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:05:36,205 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:05:36,205 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:05:36,206 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2022-03-15 14:05:36,206 INFO L402 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:05:36,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:05:36,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1080162054, now seen corresponding path program 86 times [2022-03-15 14:05:36,206 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:05:36,206 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636153732] [2022-03-15 14:05:36,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:05:36,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:05:36,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:05:36,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:05:36,425 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:05:36,425 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636153732] [2022-03-15 14:05:36,425 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636153732] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:05:36,426 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:05:36,426 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 14:05:36,426 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210279581] [2022-03-15 14:05:36,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:05:36,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:05:36,426 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:05:36,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:05:36,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:05:36,426 INFO L87 Difference]: Start difference. First operand 52730 states and 144825 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:05:38,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:05:38,984 INFO L93 Difference]: Finished difference Result 134756 states and 371214 transitions. [2022-03-15 14:05:38,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-03-15 14:05:38,985 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-15 14:05:38,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:05:39,500 INFO L225 Difference]: With dead ends: 134756 [2022-03-15 14:05:39,500 INFO L226 Difference]: Without dead ends: 134617 [2022-03-15 14:05:39,500 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 833 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=734, Invalid=2572, Unknown=0, NotChecked=0, Total=3306 [2022-03-15 14:05:39,513 INFO L933 BasicCegarLoop]: 895 mSDtfsCounter, 3380 mSDsluCounter, 11089 mSDsCounter, 0 mSdLazyCounter, 2094 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3380 SdHoareTripleChecker+Valid, 11880 SdHoareTripleChecker+Invalid, 2144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 2094 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 14:05:39,513 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3380 Valid, 11880 Invalid, 2144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 2094 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 14:05:39,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134617 states.