/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-ext/45_monabsex1_vs.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-17 22:58:56,228 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-17 22:58:56,229 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-17 22:58:56,286 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-17 22:58:56,293 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-17 22:58:56,295 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-17 22:58:56,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-17 22:58:56,296 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-17 22:58:56,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-17 22:58:56,297 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-17 22:58:56,298 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-17 22:58:56,299 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-17 22:58:56,300 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-17 22:58:56,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-17 22:58:56,308 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-17 22:58:56,309 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-17 22:58:56,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-17 22:58:56,316 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-17 22:58:56,317 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-17 22:58:56,317 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-17 22:58:56,321 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-01-17 22:58:56,353 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-17 22:58:56,353 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-17 22:58:56,353 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-17 22:58:56,354 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-17 22:58:56,354 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-17 22:58:56,354 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-17 22:58:56,354 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-17 22:58:56,355 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-17 22:58:56,355 INFO L138 SettingsManager]: * Use SBE=true [2022-01-17 22:58:56,355 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-17 22:58:56,355 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-17 22:58:56,355 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-17 22:58:56,355 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-17 22:58:56,355 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-17 22:58:56,355 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-17 22:58:56,355 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-17 22:58:56,355 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-17 22:58:56,355 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-17 22:58:56,356 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-17 22:58:56,356 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-17 22:58:56,356 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-17 22:58:56,356 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-17 22:58:56,356 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-17 22:58:56,356 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-17 22:58:56,356 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-17 22:58:56,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-17 22:58:56,356 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-17 22:58:56,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-17 22:58:56,357 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-17 22:58:56,357 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-17 22:58:56,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-17 22:58:56,357 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-17 22:58:56,357 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-17 22:58:56,357 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-17 22:58:56,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-17 22:58:56,591 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-17 22:58:56,592 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-17 22:58:56,593 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-17 22:58:56,593 INFO L275 PluginConnector]: CDTParser initialized [2022-01-17 22:58:56,594 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/45_monabsex1_vs.i [2022-01-17 22:58:56,631 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/003b8293a/25c35354a2b84963b3a09d67dca4557e/FLAG75fd57720 [2022-01-17 22:58:57,098 INFO L306 CDTParser]: Found 1 translation units. [2022-01-17 22:58:57,099 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/45_monabsex1_vs.i [2022-01-17 22:58:57,111 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/003b8293a/25c35354a2b84963b3a09d67dca4557e/FLAG75fd57720 [2022-01-17 22:58:57,124 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/003b8293a/25c35354a2b84963b3a09d67dca4557e [2022-01-17 22:58:57,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-17 22:58:57,128 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-17 22:58:57,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-17 22:58:57,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-17 22:58:57,156 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-17 22:58:57,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.01 10:58:57" (1/1) ... [2022-01-17 22:58:57,157 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c899f07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:58:57, skipping insertion in model container [2022-01-17 22:58:57,157 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.01 10:58:57" (1/1) ... [2022-01-17 22:58:57,161 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-17 22:58:57,200 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-17 22:58:57,351 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-01-17 22:58:57,449 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/45_monabsex1_vs.i[30633,30646] [2022-01-17 22:58:57,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-17 22:58:57,461 INFO L203 MainTranslator]: Completed pre-run [2022-01-17 22:58:57,471 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-01-17 22:58:57,495 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/45_monabsex1_vs.i[30633,30646] [2022-01-17 22:58:57,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-17 22:58:57,548 INFO L208 MainTranslator]: Completed translation [2022-01-17 22:58:57,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:58:57 WrapperNode [2022-01-17 22:58:57,549 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-17 22:58:57,549 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-17 22:58:57,549 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-17 22:58:57,549 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-17 22:58:57,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:58:57" (1/1) ... [2022-01-17 22:58:57,580 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:58:57" (1/1) ... [2022-01-17 22:58:57,592 INFO L137 Inliner]: procedures = 171, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 26 [2022-01-17 22:58:57,593 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-17 22:58:57,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-17 22:58:57,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-17 22:58:57,593 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-17 22:58:57,598 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:58:57" (1/1) ... [2022-01-17 22:58:57,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:58:57" (1/1) ... [2022-01-17 22:58:57,600 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:58:57" (1/1) ... [2022-01-17 22:58:57,600 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:58:57" (1/1) ... [2022-01-17 22:58:57,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:58:57" (1/1) ... [2022-01-17 22:58:57,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:58:57" (1/1) ... [2022-01-17 22:58:57,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:58:57" (1/1) ... [2022-01-17 22:58:57,612 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-17 22:58:57,613 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-17 22:58:57,613 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-17 22:58:57,613 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-17 22:58:57,619 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:58:57" (1/1) ... [2022-01-17 22:58:57,634 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-17 22:58:57,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-17 22:58:57,660 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-17 22:58:57,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-17 22:58:57,711 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-01-17 22:58:57,711 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-01-17 22:58:57,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-17 22:58:57,711 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-01-17 22:58:57,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-17 22:58:57,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-17 22:58:57,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-17 22:58:57,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-17 22:58:57,712 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-01-17 22:58:57,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-17 22:58:57,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-17 22:58:57,713 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-17 22:58:57,776 INFO L234 CfgBuilder]: Building ICFG [2022-01-17 22:58:57,777 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-17 22:58:57,845 INFO L275 CfgBuilder]: Performing block encoding [2022-01-17 22:58:57,853 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-17 22:58:57,853 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-17 22:58:57,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.01 10:58:57 BoogieIcfgContainer [2022-01-17 22:58:57,855 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-17 22:58:57,856 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-17 22:58:57,856 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-17 22:58:57,869 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-17 22:58:57,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.01 10:58:57" (1/3) ... [2022-01-17 22:58:57,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7354cae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.01 10:58:57, skipping insertion in model container [2022-01-17 22:58:57,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:58:57" (2/3) ... [2022-01-17 22:58:57,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7354cae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.01 10:58:57, skipping insertion in model container [2022-01-17 22:58:57,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.01 10:58:57" (3/3) ... [2022-01-17 22:58:57,870 INFO L111 eAbstractionObserver]: Analyzing ICFG 45_monabsex1_vs.i [2022-01-17 22:58:57,873 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-17 22:58:57,873 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-17 22:58:57,873 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-17 22:58:57,873 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-17 22:58:57,903 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:57,903 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:57,903 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:57,903 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:57,904 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:57,904 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:57,904 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:57,904 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:57,904 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:57,905 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:57,905 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:57,905 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:57,905 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:57,906 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:57,906 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:57,906 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:57,906 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:57,906 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:57,906 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:57,906 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:57,907 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:57,907 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:57,907 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:57,907 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:57,907 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:57,908 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:57,908 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:57,908 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:57,910 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:57,910 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:57,910 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:57,911 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:57,911 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:57,911 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:57,912 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-01-17 22:58:57,953 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-17 22:58:57,958 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-17 22:58:57,958 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-17 22:58:57,988 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 44 places, 42 transitions, 89 flow [2022-01-17 22:58:58,026 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 158 states, 155 states have (on average 1.7870967741935484) internal successors, (277), 157 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:58:58,028 INFO L276 IsEmpty]: Start isEmpty. Operand has 158 states, 155 states have (on average 1.7870967741935484) internal successors, (277), 157 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:58:58,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-01-17 22:58:58,032 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:58:58,033 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 22:58:58,033 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-17 22:58:58,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:58:58,042 INFO L85 PathProgramCache]: Analyzing trace with hash 527068737, now seen corresponding path program 1 times [2022-01-17 22:58:58,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:58:58,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642863501] [2022-01-17 22:58:58,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:58:58,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:58:58,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-17 22:58:58,151 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-17 22:58:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-17 22:58:58,195 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-17 22:58:58,196 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-17 22:58:58,197 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 3 remaining) [2022-01-17 22:58:58,198 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2022-01-17 22:58:58,198 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-01-17 22:58:58,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-17 22:58:58,215 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-01-17 22:58:58,217 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-01-17 22:58:58,217 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-01-17 22:58:58,226 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,226 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,226 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,226 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,227 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,227 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,227 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,227 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,227 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,227 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,228 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,228 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,228 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,228 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,228 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,228 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,229 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,229 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,229 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,229 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,229 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,229 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,229 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,229 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,230 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,230 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,230 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,230 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,230 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,230 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,231 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,231 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,231 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,231 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,231 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,231 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,231 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,232 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,232 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,232 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,232 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,233 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,233 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,233 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,233 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,233 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,233 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,233 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,233 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,234 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,234 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,234 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,234 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,234 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,234 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,234 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,235 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,235 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,235 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,235 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,235 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,235 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,236 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,236 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,236 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,237 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,237 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,237 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,237 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-01-17 22:58:58,239 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-17 22:58:58,240 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-17 22:58:58,240 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-01-17 22:58:58,241 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 57 places, 53 transitions, 118 flow [2022-01-17 22:58:58,305 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1787 states, 1779 states have (on average 2.7374929735806632) internal successors, (4870), 1786 states have internal predecessors, (4870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:58:58,308 INFO L276 IsEmpty]: Start isEmpty. Operand has 1787 states, 1779 states have (on average 2.7374929735806632) internal successors, (4870), 1786 states have internal predecessors, (4870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:58:58,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-01-17 22:58:58,310 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:58:58,310 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 22:58:58,310 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-17 22:58:58,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:58:58,311 INFO L85 PathProgramCache]: Analyzing trace with hash -297621323, now seen corresponding path program 1 times [2022-01-17 22:58:58,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:58:58,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458480141] [2022-01-17 22:58:58,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:58:58,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:58:58,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:58:58,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:58:58,382 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:58:58,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458480141] [2022-01-17 22:58:58,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458480141] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:58:58,383 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:58:58,383 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-17 22:58:58,383 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788513609] [2022-01-17 22:58:58,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:58:58,387 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-17 22:58:58,387 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:58:58,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-17 22:58:58,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-17 22:58:58,419 INFO L87 Difference]: Start difference. First operand has 1787 states, 1779 states have (on average 2.7374929735806632) internal successors, (4870), 1786 states have internal predecessors, (4870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:58:58,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:58:58,482 INFO L93 Difference]: Finished difference Result 1172 states and 3012 transitions. [2022-01-17 22:58:58,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-17 22:58:58,489 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-01-17 22:58:58,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:58:58,504 INFO L225 Difference]: With dead ends: 1172 [2022-01-17 22:58:58,504 INFO L226 Difference]: Without dead ends: 1172 [2022-01-17 22:58:58,505 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-17 22:58:58,508 INFO L933 BasicCegarLoop]: 55 mSDtfsCounter, 20 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-17 22:58:58,508 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 89 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-17 22:58:58,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1172 states. [2022-01-17 22:58:58,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1172 to 1052. [2022-01-17 22:58:58,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1052 states, 1048 states have (on average 2.605916030534351) internal successors, (2731), 1051 states have internal predecessors, (2731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:58:58,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 2731 transitions. [2022-01-17 22:58:58,587 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 2731 transitions. Word has length 29 [2022-01-17 22:58:58,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:58:58,588 INFO L470 AbstractCegarLoop]: Abstraction has 1052 states and 2731 transitions. [2022-01-17 22:58:58,588 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:58:58,588 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 2731 transitions. [2022-01-17 22:58:58,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-01-17 22:58:58,589 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:58:58,590 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 22:58:58,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-17 22:58:58,590 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-17 22:58:58,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:58:58,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1916139092, now seen corresponding path program 1 times [2022-01-17 22:58:58,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:58:58,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556464713] [2022-01-17 22:58:58,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:58:58,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:58:58,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-17 22:58:58,610 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-17 22:58:58,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-17 22:58:58,624 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-17 22:58:58,625 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-17 22:58:58,625 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 4 remaining) [2022-01-17 22:58:58,626 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2022-01-17 22:58:58,626 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2022-01-17 22:58:58,626 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-01-17 22:58:58,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-17 22:58:58,626 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-17 22:58:58,627 WARN L234 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-01-17 22:58:58,627 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-01-17 22:58:58,635 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,635 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,635 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,635 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,635 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,635 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,635 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,635 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,636 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,636 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,636 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,636 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,636 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,637 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,637 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,637 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,637 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,637 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,637 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,637 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,637 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,637 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,638 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,638 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,638 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,638 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,638 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,638 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,638 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,638 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,639 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,639 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,639 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,639 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,639 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,639 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,639 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,640 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,640 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,640 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,640 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,640 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,640 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,640 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,641 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,641 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,641 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,641 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,641 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,641 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,641 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,641 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,642 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,642 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,642 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,642 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,642 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,642 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,642 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,642 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,642 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,643 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,643 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,643 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,643 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,643 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,644 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,644 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,644 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,644 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,644 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,644 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,645 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,645 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,645 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,645 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,645 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,645 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,645 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,646 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,646 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,646 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,646 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,646 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,647 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,647 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,647 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,647 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,647 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,647 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,648 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,648 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,648 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,648 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,648 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,648 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,648 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,649 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,649 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,649 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,649 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,649 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:58:58,649 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-01-17 22:58:58,651 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-17 22:58:58,651 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-17 22:58:58,652 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-01-17 22:58:58,658 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 70 places, 64 transitions, 149 flow [2022-01-17 22:58:59,077 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 20138 states, 20119 states have (on average 3.6497340822108453) internal successors, (73429), 20137 states have internal predecessors, (73429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:58:59,134 INFO L276 IsEmpty]: Start isEmpty. Operand has 20138 states, 20119 states have (on average 3.6497340822108453) internal successors, (73429), 20137 states have internal predecessors, (73429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:58:59,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-01-17 22:58:59,138 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:58:59,138 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 22:58:59,138 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-17 22:58:59,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:58:59,139 INFO L85 PathProgramCache]: Analyzing trace with hash 833747371, now seen corresponding path program 1 times [2022-01-17 22:58:59,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:58:59,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647245003] [2022-01-17 22:58:59,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:58:59,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:58:59,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:58:59,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:58:59,208 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:58:59,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647245003] [2022-01-17 22:58:59,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647245003] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:58:59,208 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:58:59,208 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-17 22:58:59,208 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221509763] [2022-01-17 22:58:59,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:58:59,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-17 22:58:59,209 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:58:59,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-17 22:58:59,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-17 22:58:59,258 INFO L87 Difference]: Start difference. First operand has 20138 states, 20119 states have (on average 3.6497340822108453) internal successors, (73429), 20137 states have internal predecessors, (73429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:58:59,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:58:59,451 INFO L93 Difference]: Finished difference Result 14117 states and 49170 transitions. [2022-01-17 22:58:59,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-17 22:58:59,451 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-01-17 22:58:59,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:58:59,646 INFO L225 Difference]: With dead ends: 14117 [2022-01-17 22:58:59,646 INFO L226 Difference]: Without dead ends: 14117 [2022-01-17 22:58:59,647 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-17 22:58:59,650 INFO L933 BasicCegarLoop]: 71 mSDtfsCounter, 30 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-17 22:58:59,655 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 112 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-17 22:58:59,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14117 states. [2022-01-17 22:59:00,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14117 to 11972. [2022-01-17 22:59:00,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11972 states, 11964 states have (on average 3.528418589100635) internal successors, (42214), 11971 states have internal predecessors, (42214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:59:00,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11972 states to 11972 states and 42214 transitions. [2022-01-17 22:59:00,201 INFO L78 Accepts]: Start accepts. Automaton has 11972 states and 42214 transitions. Word has length 29 [2022-01-17 22:59:00,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:59:00,202 INFO L470 AbstractCegarLoop]: Abstraction has 11972 states and 42214 transitions. [2022-01-17 22:59:00,202 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:59:00,202 INFO L276 IsEmpty]: Start isEmpty. Operand 11972 states and 42214 transitions. [2022-01-17 22:59:00,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-01-17 22:59:00,207 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:59:00,207 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 22:59:00,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-17 22:59:00,208 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-17 22:59:00,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:59:00,209 INFO L85 PathProgramCache]: Analyzing trace with hash 681039901, now seen corresponding path program 1 times [2022-01-17 22:59:00,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:59:00,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676199660] [2022-01-17 22:59:00,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:59:00,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:59:00,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:59:00,275 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-17 22:59:00,275 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:59:00,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676199660] [2022-01-17 22:59:00,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676199660] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:59:00,275 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:59:00,275 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-17 22:59:00,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536182774] [2022-01-17 22:59:00,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:59:00,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-17 22:59:00,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:59:00,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-17 22:59:00,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-17 22:59:00,278 INFO L87 Difference]: Start difference. First operand 11972 states and 42214 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:59:00,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:59:00,489 INFO L93 Difference]: Finished difference Result 14237 states and 49492 transitions. [2022-01-17 22:59:00,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-17 22:59:00,489 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-01-17 22:59:00,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:59:00,560 INFO L225 Difference]: With dead ends: 14237 [2022-01-17 22:59:00,560 INFO L226 Difference]: Without dead ends: 14237 [2022-01-17 22:59:00,560 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-17 22:59:00,562 INFO L933 BasicCegarLoop]: 71 mSDtfsCounter, 29 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-17 22:59:00,563 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 112 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-17 22:59:00,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14237 states. [2022-01-17 22:59:00,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14237 to 12137. [2022-01-17 22:59:00,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12137 states, 12129 states have (on average 3.5205705334322697) internal successors, (42701), 12136 states have internal predecessors, (42701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:59:00,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12137 states to 12137 states and 42701 transitions. [2022-01-17 22:59:00,988 INFO L78 Accepts]: Start accepts. Automaton has 12137 states and 42701 transitions. Word has length 36 [2022-01-17 22:59:00,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:59:00,989 INFO L470 AbstractCegarLoop]: Abstraction has 12137 states and 42701 transitions. [2022-01-17 22:59:00,989 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:59:00,989 INFO L276 IsEmpty]: Start isEmpty. Operand 12137 states and 42701 transitions. [2022-01-17 22:59:00,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-01-17 22:59:00,991 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:59:00,991 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 22:59:00,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-17 22:59:00,991 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-17 22:59:00,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:59:00,992 INFO L85 PathProgramCache]: Analyzing trace with hash -2068293688, now seen corresponding path program 1 times [2022-01-17 22:59:00,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:59:00,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620192895] [2022-01-17 22:59:00,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:59:00,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:59:01,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:59:01,050 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:59:01,051 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:59:01,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620192895] [2022-01-17 22:59:01,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620192895] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:59:01,051 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:59:01,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-17 22:59:01,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121528782] [2022-01-17 22:59:01,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:59:01,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-17 22:59:01,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:59:01,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-17 22:59:01,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-17 22:59:01,052 INFO L87 Difference]: Start difference. First operand 12137 states and 42701 transitions. Second operand has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:59:01,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:59:01,360 INFO L93 Difference]: Finished difference Result 18997 states and 65121 transitions. [2022-01-17 22:59:01,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-17 22:59:01,360 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2022-01-17 22:59:01,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:59:01,442 INFO L225 Difference]: With dead ends: 18997 [2022-01-17 22:59:01,443 INFO L226 Difference]: Without dead ends: 18997 [2022-01-17 22:59:01,443 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-01-17 22:59:01,444 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 100 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-17 22:59:01,445 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 326 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-17 22:59:01,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18997 states. [2022-01-17 22:59:01,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18997 to 12637. [2022-01-17 22:59:01,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12637 states, 12629 states have (on average 3.5408979333280546) internal successors, (44718), 12636 states have internal predecessors, (44718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:59:02,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12637 states to 12637 states and 44718 transitions. [2022-01-17 22:59:02,050 INFO L78 Accepts]: Start accepts. Automaton has 12637 states and 44718 transitions. Word has length 42 [2022-01-17 22:59:02,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:59:02,050 INFO L470 AbstractCegarLoop]: Abstraction has 12637 states and 44718 transitions. [2022-01-17 22:59:02,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:59:02,050 INFO L276 IsEmpty]: Start isEmpty. Operand 12637 states and 44718 transitions. [2022-01-17 22:59:02,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-01-17 22:59:02,053 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:59:02,053 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 22:59:02,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-17 22:59:02,053 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-17 22:59:02,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:59:02,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1698452208, now seen corresponding path program 1 times [2022-01-17 22:59:02,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:59:02,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470357004] [2022-01-17 22:59:02,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:59:02,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:59:02,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:59:02,119 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-17 22:59:02,119 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:59:02,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470357004] [2022-01-17 22:59:02,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470357004] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:59:02,119 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:59:02,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-17 22:59:02,120 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885228182] [2022-01-17 22:59:02,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:59:02,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-17 22:59:02,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:59:02,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-17 22:59:02,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-17 22:59:02,121 INFO L87 Difference]: Start difference. First operand 12637 states and 44718 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:59:02,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:59:02,292 INFO L93 Difference]: Finished difference Result 18392 states and 62809 transitions. [2022-01-17 22:59:02,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-17 22:59:02,293 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2022-01-17 22:59:02,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:59:02,351 INFO L225 Difference]: With dead ends: 18392 [2022-01-17 22:59:02,352 INFO L226 Difference]: Without dead ends: 18392 [2022-01-17 22:59:02,352 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-01-17 22:59:02,352 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 100 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-17 22:59:02,353 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 330 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-17 22:59:02,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18392 states. [2022-01-17 22:59:02,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18392 to 11272. [2022-01-17 22:59:02,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11272 states, 11264 states have (on average 3.5146484375) internal successors, (39589), 11271 states have internal predecessors, (39589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:59:02,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11272 states to 11272 states and 39589 transitions. [2022-01-17 22:59:02,929 INFO L78 Accepts]: Start accepts. Automaton has 11272 states and 39589 transitions. Word has length 42 [2022-01-17 22:59:02,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:59:02,929 INFO L470 AbstractCegarLoop]: Abstraction has 11272 states and 39589 transitions. [2022-01-17 22:59:02,930 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:59:02,930 INFO L276 IsEmpty]: Start isEmpty. Operand 11272 states and 39589 transitions. [2022-01-17 22:59:02,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-01-17 22:59:02,933 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:59:02,933 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 22:59:02,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-17 22:59:02,934 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-17 22:59:02,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:59:02,934 INFO L85 PathProgramCache]: Analyzing trace with hash -468720811, now seen corresponding path program 1 times [2022-01-17 22:59:02,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:59:02,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127354885] [2022-01-17 22:59:02,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:59:02,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:59:02,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-17 22:59:02,947 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-17 22:59:02,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-17 22:59:02,959 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-17 22:59:02,960 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-17 22:59:02,960 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 5 remaining) [2022-01-17 22:59:02,960 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2022-01-17 22:59:02,960 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2022-01-17 22:59:02,961 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2022-01-17 22:59:02,961 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2022-01-17 22:59:02,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-17 22:59:02,961 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-01-17 22:59:02,961 WARN L234 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2022-01-17 22:59:02,961 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2022-01-17 22:59:02,970 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,971 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,971 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,971 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,971 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,971 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,971 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,971 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,971 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,972 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,972 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,972 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,972 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,972 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,972 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,972 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,972 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,972 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,973 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,973 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,973 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,973 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,973 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,973 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,973 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,973 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,973 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,973 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,974 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,974 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,974 WARN L322 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,974 WARN L322 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,974 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,974 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,974 WARN L322 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,974 WARN L322 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,974 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,974 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,975 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,975 WARN L322 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,975 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,975 WARN L322 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,975 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,975 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,975 WARN L322 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,975 WARN L322 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,975 WARN L322 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,975 WARN L322 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,976 WARN L322 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,976 WARN L322 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,976 WARN L322 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,976 WARN L322 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,976 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,976 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,976 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,976 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,976 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,976 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,977 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,977 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,977 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,977 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,977 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,977 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,977 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,977 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,978 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,978 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,978 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,978 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,978 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,978 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,978 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,978 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,978 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,979 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,979 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,979 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,979 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,979 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,979 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,979 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,979 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,979 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,980 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,980 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,980 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,980 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,980 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,980 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,980 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,980 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,981 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,981 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,981 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,981 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,981 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,981 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,982 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,982 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,982 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,982 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,982 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,982 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,982 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,982 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,983 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,983 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,983 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,983 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,983 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,983 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,984 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,984 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,984 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,984 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,984 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,984 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,984 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,985 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,985 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,985 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,985 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,985 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,985 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,985 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,985 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,985 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,985 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,986 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,986 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,986 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,986 WARN L322 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,986 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,986 WARN L322 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,986 WARN L322 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:59:02,986 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-01-17 22:59:02,987 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-17 22:59:02,988 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-17 22:59:02,988 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-01-17 22:59:02,989 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 83 places, 75 transitions, 182 flow [2022-01-17 22:59:08,228 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 223295 states, 223253 states have (on average 4.5581559934245) internal successors, (1017622), 223294 states have internal predecessors, (1017622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:59:08,948 INFO L276 IsEmpty]: Start isEmpty. Operand has 223295 states, 223253 states have (on average 4.5581559934245) internal successors, (1017622), 223294 states have internal predecessors, (1017622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:59:08,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-01-17 22:59:08,948 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:59:08,949 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 22:59:08,949 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-17 22:59:08,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:59:08,949 INFO L85 PathProgramCache]: Analyzing trace with hash -456275018, now seen corresponding path program 1 times [2022-01-17 22:59:08,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:59:08,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464338465] [2022-01-17 22:59:08,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:59:08,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:59:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:59:08,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:59:08,968 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:59:08,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464338465] [2022-01-17 22:59:08,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464338465] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:59:08,968 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:59:08,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-17 22:59:08,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791757510] [2022-01-17 22:59:08,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:59:08,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-17 22:59:08,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:59:08,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-17 22:59:08,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-17 22:59:09,328 INFO L87 Difference]: Start difference. First operand has 223295 states, 223253 states have (on average 4.5581559934245) internal successors, (1017622), 223294 states have internal predecessors, (1017622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:59:11,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:59:11,065 INFO L93 Difference]: Finished difference Result 163562 states and 718188 transitions. [2022-01-17 22:59:11,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-17 22:59:11,066 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-01-17 22:59:11,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:59:12,792 INFO L225 Difference]: With dead ends: 163562 [2022-01-17 22:59:12,793 INFO L226 Difference]: Without dead ends: 163562 [2022-01-17 22:59:12,793 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-17 22:59:12,794 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 40 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-17 22:59:12,794 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 135 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-17 22:59:13,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163562 states. [2022-01-17 22:59:17,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163562 to 134912. [2022-01-17 22:59:18,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134912 states, 134896 states have (on average 4.440628335903214) internal successors, (599023), 134911 states have internal predecessors, (599023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:59:19,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134912 states to 134912 states and 599023 transitions. [2022-01-17 22:59:19,484 INFO L78 Accepts]: Start accepts. Automaton has 134912 states and 599023 transitions. Word has length 29 [2022-01-17 22:59:19,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:59:19,485 INFO L470 AbstractCegarLoop]: Abstraction has 134912 states and 599023 transitions. [2022-01-17 22:59:19,485 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:59:19,485 INFO L276 IsEmpty]: Start isEmpty. Operand 134912 states and 599023 transitions. [2022-01-17 22:59:19,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-01-17 22:59:19,485 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:59:19,485 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 22:59:19,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-17 22:59:19,486 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-17 22:59:19,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:59:19,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1917209497, now seen corresponding path program 1 times [2022-01-17 22:59:19,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:59:19,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896414371] [2022-01-17 22:59:19,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:59:19,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:59:19,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:59:19,553 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-17 22:59:19,553 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:59:19,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896414371] [2022-01-17 22:59:19,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896414371] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:59:19,553 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:59:19,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-17 22:59:19,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226583744] [2022-01-17 22:59:19,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:59:19,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-17 22:59:19,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:59:19,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-17 22:59:19,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-17 22:59:19,554 INFO L87 Difference]: Start difference. First operand 134912 states and 599023 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:59:21,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:59:21,364 INFO L93 Difference]: Finished difference Result 170876 states and 749822 transitions. [2022-01-17 22:59:21,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-17 22:59:21,365 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-01-17 22:59:21,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:59:23,176 INFO L225 Difference]: With dead ends: 170876 [2022-01-17 22:59:23,176 INFO L226 Difference]: Without dead ends: 170876 [2022-01-17 22:59:23,177 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-17 22:59:23,183 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 39 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-17 22:59:23,183 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 135 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-17 22:59:23,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170876 states. [2022-01-17 22:59:28,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170876 to 141092. [2022-01-17 22:59:29,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141092 states, 141076 states have (on average 4.437310385891292) internal successors, (625998), 141091 states have internal predecessors, (625998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:59:29,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141092 states to 141092 states and 625998 transitions. [2022-01-17 22:59:29,755 INFO L78 Accepts]: Start accepts. Automaton has 141092 states and 625998 transitions. Word has length 36 [2022-01-17 22:59:29,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:59:29,756 INFO L470 AbstractCegarLoop]: Abstraction has 141092 states and 625998 transitions. [2022-01-17 22:59:29,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:59:29,756 INFO L276 IsEmpty]: Start isEmpty. Operand 141092 states and 625998 transitions. [2022-01-17 22:59:29,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-01-17 22:59:29,758 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:59:29,758 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 22:59:29,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-17 22:59:29,758 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-17 22:59:29,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:59:29,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1414821276, now seen corresponding path program 1 times [2022-01-17 22:59:29,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:59:29,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652628491] [2022-01-17 22:59:29,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:59:29,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:59:29,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:59:29,808 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-17 22:59:29,808 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:59:29,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652628491] [2022-01-17 22:59:29,809 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652628491] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:59:29,809 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:59:29,809 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-17 22:59:29,809 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166178976] [2022-01-17 22:59:29,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:59:29,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-17 22:59:29,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:59:29,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-17 22:59:29,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-17 22:59:29,810 INFO L87 Difference]: Start difference. First operand 141092 states and 625998 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:59:33,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:59:33,240 INFO L93 Difference]: Finished difference Result 235285 states and 1017844 transitions. [2022-01-17 22:59:33,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-17 22:59:33,240 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2022-01-17 22:59:33,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:59:35,558 INFO L225 Difference]: With dead ends: 235285 [2022-01-17 22:59:35,558 INFO L226 Difference]: Without dead ends: 235285 [2022-01-17 22:59:35,558 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-01-17 22:59:35,559 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 135 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-17 22:59:35,559 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 419 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-17 22:59:36,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235285 states. [2022-01-17 22:59:41,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235285 to 147445. [2022-01-17 22:59:41,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147445 states, 147429 states have (on average 4.464074232342348) internal successors, (658134), 147444 states have internal predecessors, (658134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:59:43,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147445 states to 147445 states and 658134 transitions. [2022-01-17 22:59:43,080 INFO L78 Accepts]: Start accepts. Automaton has 147445 states and 658134 transitions. Word has length 42 [2022-01-17 22:59:43,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:59:43,080 INFO L470 AbstractCegarLoop]: Abstraction has 147445 states and 658134 transitions. [2022-01-17 22:59:43,080 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:59:43,080 INFO L276 IsEmpty]: Start isEmpty. Operand 147445 states and 658134 transitions. [2022-01-17 22:59:43,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-01-17 22:59:43,082 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:59:43,082 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 22:59:43,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-17 22:59:43,083 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-17 22:59:43,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:59:43,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1324378714, now seen corresponding path program 1 times [2022-01-17 22:59:43,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:59:43,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149049037] [2022-01-17 22:59:43,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:59:43,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:59:43,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:59:43,142 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-17 22:59:43,142 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:59:43,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149049037] [2022-01-17 22:59:43,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149049037] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:59:43,142 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:59:43,142 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-17 22:59:43,142 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796968395] [2022-01-17 22:59:43,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:59:43,143 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-17 22:59:43,143 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:59:43,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-17 22:59:43,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-17 22:59:43,143 INFO L87 Difference]: Start difference. First operand 147445 states and 658134 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:59:46,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:59:46,106 INFO L93 Difference]: Finished difference Result 231578 states and 997757 transitions. [2022-01-17 22:59:46,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-17 22:59:46,119 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2022-01-17 22:59:46,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:59:48,185 INFO L225 Difference]: With dead ends: 231578 [2022-01-17 22:59:48,185 INFO L226 Difference]: Without dead ends: 231578 [2022-01-17 22:59:48,186 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-01-17 22:59:48,186 INFO L933 BasicCegarLoop]: 165 mSDtfsCounter, 134 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-17 22:59:48,186 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 423 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-17 22:59:48,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231578 states. [2022-01-17 22:59:53,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231578 to 135322. [2022-01-17 22:59:54,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135322 states, 135306 states have (on average 4.425147443572347) internal successors, (598749), 135321 states have internal predecessors, (598749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:59:55,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135322 states to 135322 states and 598749 transitions. [2022-01-17 22:59:55,527 INFO L78 Accepts]: Start accepts. Automaton has 135322 states and 598749 transitions. Word has length 42 [2022-01-17 22:59:55,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:59:55,527 INFO L470 AbstractCegarLoop]: Abstraction has 135322 states and 598749 transitions. [2022-01-17 22:59:55,528 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:59:55,528 INFO L276 IsEmpty]: Start isEmpty. Operand 135322 states and 598749 transitions. [2022-01-17 22:59:55,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-01-17 22:59:55,530 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:59:55,530 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 22:59:55,530 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-17 22:59:55,531 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-17 22:59:55,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:59:55,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1405795873, now seen corresponding path program 1 times [2022-01-17 22:59:55,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:59:55,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309978277] [2022-01-17 22:59:55,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:59:55,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:59:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:59:55,547 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-01-17 22:59:55,547 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:59:55,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309978277] [2022-01-17 22:59:55,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309978277] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:59:55,547 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:59:55,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-17 22:59:55,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408462966] [2022-01-17 22:59:55,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:59:55,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-17 22:59:55,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:59:55,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-17 22:59:55,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-17 22:59:55,548 INFO L87 Difference]: Start difference. First operand 135322 states and 598749 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:59:57,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:59:57,293 INFO L93 Difference]: Finished difference Result 168607 states and 734916 transitions. [2022-01-17 22:59:57,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-17 22:59:57,294 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2022-01-17 22:59:57,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:59:58,338 INFO L225 Difference]: With dead ends: 168607 [2022-01-17 22:59:58,339 INFO L226 Difference]: Without dead ends: 168607 [2022-01-17 22:59:58,339 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-17 22:59:58,339 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 38 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-17 22:59:58,339 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 135 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-17 22:59:59,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168607 states. [2022-01-17 23:00:03,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168607 to 139687. [2022-01-17 23:00:03,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139687 states, 139671 states have (on average 4.413027758088651) internal successors, (616372), 139686 states have internal predecessors, (616372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 23:00:04,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139687 states to 139687 states and 616372 transitions. [2022-01-17 23:00:04,996 INFO L78 Accepts]: Start accepts. Automaton has 139687 states and 616372 transitions. Word has length 43 [2022-01-17 23:00:04,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 23:00:04,997 INFO L470 AbstractCegarLoop]: Abstraction has 139687 states and 616372 transitions. [2022-01-17 23:00:04,997 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 23:00:04,998 INFO L276 IsEmpty]: Start isEmpty. Operand 139687 states and 616372 transitions. [2022-01-17 23:00:05,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-01-17 23:00:05,029 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 23:00:05,029 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 23:00:05,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-17 23:00:05,030 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-17 23:00:05,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 23:00:05,030 INFO L85 PathProgramCache]: Analyzing trace with hash -58272068, now seen corresponding path program 1 times [2022-01-17 23:00:05,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 23:00:05,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644998152] [2022-01-17 23:00:05,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 23:00:05,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 23:00:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 23:00:05,097 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-01-17 23:00:05,097 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 23:00:05,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644998152] [2022-01-17 23:00:05,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644998152] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 23:00:05,098 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 23:00:05,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-17 23:00:05,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226677727] [2022-01-17 23:00:05,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 23:00:05,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-17 23:00:05,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 23:00:05,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-17 23:00:05,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-17 23:00:05,099 INFO L87 Difference]: Start difference. First operand 139687 states and 616372 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 23:00:08,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 23:00:08,156 INFO L93 Difference]: Finished difference Result 235409 states and 1012578 transitions. [2022-01-17 23:00:08,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-17 23:00:08,156 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2022-01-17 23:00:08,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 23:00:11,552 INFO L225 Difference]: With dead ends: 235409 [2022-01-17 23:00:11,552 INFO L226 Difference]: Without dead ends: 235409 [2022-01-17 23:00:11,552 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-01-17 23:00:11,552 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 130 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-17 23:00:11,553 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 419 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-17 23:00:11,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235409 states. [2022-01-17 23:00:17,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235409 to 146017. [2022-01-17 23:00:17,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146017 states, 146001 states have (on average 4.439476441942179) internal successors, (648168), 146016 states have internal predecessors, (648168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 23:00:19,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146017 states to 146017 states and 648168 transitions. [2022-01-17 23:00:19,189 INFO L78 Accepts]: Start accepts. Automaton has 146017 states and 648168 transitions. Word has length 49 [2022-01-17 23:00:19,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 23:00:19,190 INFO L470 AbstractCegarLoop]: Abstraction has 146017 states and 648168 transitions. [2022-01-17 23:00:19,190 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 23:00:19,190 INFO L276 IsEmpty]: Start isEmpty. Operand 146017 states and 648168 transitions. [2022-01-17 23:00:19,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-01-17 23:00:19,198 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 23:00:19,199 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 23:00:19,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-17 23:00:19,199 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-17 23:00:19,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 23:00:19,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1378456866, now seen corresponding path program 2 times [2022-01-17 23:00:19,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 23:00:19,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048118335] [2022-01-17 23:00:19,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 23:00:19,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 23:00:19,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 23:00:19,248 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-01-17 23:00:19,248 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 23:00:19,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048118335] [2022-01-17 23:00:19,249 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048118335] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 23:00:19,249 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 23:00:19,249 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-17 23:00:19,249 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948981928] [2022-01-17 23:00:19,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 23:00:19,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-17 23:00:19,250 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 23:00:19,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-17 23:00:19,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-17 23:00:19,250 INFO L87 Difference]: Start difference. First operand 146017 states and 648168 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 23:00:21,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 23:00:21,685 INFO L93 Difference]: Finished difference Result 230254 states and 988330 transitions. [2022-01-17 23:00:21,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-17 23:00:21,685 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2022-01-17 23:00:21,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 23:00:23,829 INFO L225 Difference]: With dead ends: 230254 [2022-01-17 23:00:23,829 INFO L226 Difference]: Without dead ends: 230254 [2022-01-17 23:00:23,829 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-01-17 23:00:23,835 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 131 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-17 23:00:23,836 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [131 Valid, 492 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-17 23:00:24,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230254 states. [2022-01-17 23:00:28,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230254 to 131582. [2022-01-17 23:00:29,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131582 states, 131566 states have (on average 4.4157609108736295) internal successors, (580964), 131581 states have internal predecessors, (580964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 23:00:30,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131582 states to 131582 states and 580964 transitions. [2022-01-17 23:00:30,180 INFO L78 Accepts]: Start accepts. Automaton has 131582 states and 580964 transitions. Word has length 49 [2022-01-17 23:00:30,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 23:00:30,181 INFO L470 AbstractCegarLoop]: Abstraction has 131582 states and 580964 transitions. [2022-01-17 23:00:30,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 23:00:30,181 INFO L276 IsEmpty]: Start isEmpty. Operand 131582 states and 580964 transitions. [2022-01-17 23:00:30,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-01-17 23:00:30,191 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 23:00:30,191 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 23:00:30,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-01-17 23:00:30,192 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-17 23:00:30,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 23:00:30,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1744307616, now seen corresponding path program 1 times [2022-01-17 23:00:30,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 23:00:30,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041181272] [2022-01-17 23:00:30,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 23:00:30,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 23:00:30,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 23:00:30,213 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-01-17 23:00:30,213 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 23:00:30,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041181272] [2022-01-17 23:00:30,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041181272] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 23:00:30,214 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 23:00:30,214 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-17 23:00:30,214 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528194607] [2022-01-17 23:00:30,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 23:00:30,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-17 23:00:30,214 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 23:00:30,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-17 23:00:30,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-17 23:00:30,215 INFO L87 Difference]: Start difference. First operand 131582 states and 580964 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 23:00:33,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 23:00:33,047 INFO L93 Difference]: Finished difference Result 221532 states and 952122 transitions. [2022-01-17 23:00:33,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-17 23:00:33,047 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2022-01-17 23:00:33,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 23:00:34,472 INFO L225 Difference]: With dead ends: 221532 [2022-01-17 23:00:34,472 INFO L226 Difference]: Without dead ends: 221532 [2022-01-17 23:00:34,472 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-01-17 23:00:34,473 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 131 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-17 23:00:34,473 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [131 Valid, 419 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-17 23:00:34,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221532 states. [2022-01-17 23:00:39,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221532 to 136742. [2022-01-17 23:00:39,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136742 states, 136726 states have (on average 4.435601129265831) internal successors, (606462), 136741 states have internal predecessors, (606462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 23:00:41,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136742 states to 136742 states and 606462 transitions. [2022-01-17 23:00:41,313 INFO L78 Accepts]: Start accepts. Automaton has 136742 states and 606462 transitions. Word has length 49 [2022-01-17 23:00:41,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 23:00:41,313 INFO L470 AbstractCegarLoop]: Abstraction has 136742 states and 606462 transitions. [2022-01-17 23:00:41,313 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 23:00:41,313 INFO L276 IsEmpty]: Start isEmpty. Operand 136742 states and 606462 transitions. [2022-01-17 23:00:41,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-01-17 23:00:41,322 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 23:00:41,322 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 23:00:41,322 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-01-17 23:00:41,322 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-17 23:00:41,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 23:00:41,323 INFO L85 PathProgramCache]: Analyzing trace with hash -889159118, now seen corresponding path program 1 times [2022-01-17 23:00:41,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 23:00:41,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854093060] [2022-01-17 23:00:41,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 23:00:41,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 23:00:41,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 23:00:41,364 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-01-17 23:00:41,364 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 23:00:41,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854093060] [2022-01-17 23:00:41,364 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854093060] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 23:00:41,365 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 23:00:41,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-17 23:00:41,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739350065] [2022-01-17 23:00:41,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 23:00:41,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-17 23:00:41,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 23:00:41,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-17 23:00:41,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-17 23:00:41,365 INFO L87 Difference]: Start difference. First operand 136742 states and 606462 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 23:00:43,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 23:00:43,433 INFO L93 Difference]: Finished difference Result 212789 states and 912448 transitions. [2022-01-17 23:00:43,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-17 23:00:43,434 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2022-01-17 23:00:43,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 23:00:46,100 INFO L225 Difference]: With dead ends: 212789 [2022-01-17 23:00:46,100 INFO L226 Difference]: Without dead ends: 212789 [2022-01-17 23:00:46,102 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-01-17 23:00:46,103 INFO L933 BasicCegarLoop]: 165 mSDtfsCounter, 132 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-17 23:00:46,103 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 423 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-17 23:00:46,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212789 states. [2022-01-17 23:00:51,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212789 to 122272. [2022-01-17 23:00:51,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122272 states, 122256 states have (on average 4.407546459887449) internal successors, (538849), 122271 states have internal predecessors, (538849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 23:00:52,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122272 states to 122272 states and 538849 transitions. [2022-01-17 23:00:52,730 INFO L78 Accepts]: Start accepts. Automaton has 122272 states and 538849 transitions. Word has length 49 [2022-01-17 23:00:52,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 23:00:52,731 INFO L470 AbstractCegarLoop]: Abstraction has 122272 states and 538849 transitions. [2022-01-17 23:00:52,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 23:00:52,731 INFO L276 IsEmpty]: Start isEmpty. Operand 122272 states and 538849 transitions. [2022-01-17 23:00:52,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-01-17 23:00:52,750 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 23:00:52,750 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 23:00:52,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-01-17 23:00:52,751 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-17 23:00:52,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 23:00:52,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1455161934, now seen corresponding path program 1 times [2022-01-17 23:00:52,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 23:00:52,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155600746] [2022-01-17 23:00:52,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 23:00:52,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 23:00:52,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 23:00:52,788 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-01-17 23:00:52,789 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 23:00:52,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155600746] [2022-01-17 23:00:52,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155600746] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 23:00:52,789 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 23:00:52,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-17 23:00:52,789 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126706960] [2022-01-17 23:00:52,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 23:00:52,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-17 23:00:52,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 23:00:52,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-17 23:00:52,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-17 23:00:52,790 INFO L87 Difference]: Start difference. First operand 122272 states and 538849 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 23:00:54,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 23:00:54,486 INFO L93 Difference]: Finished difference Result 147144 states and 633308 transitions. [2022-01-17 23:00:54,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-17 23:00:54,487 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-01-17 23:00:54,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 23:00:55,506 INFO L225 Difference]: With dead ends: 147144 [2022-01-17 23:00:55,506 INFO L226 Difference]: Without dead ends: 147144 [2022-01-17 23:00:55,506 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-17 23:00:55,507 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 37 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-17 23:00:55,507 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 135 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-17 23:00:55,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147144 states. [2022-01-17 23:00:59,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147144 to 123432. [2022-01-17 23:00:59,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123432 states, 123417 states have (on average 4.371456120307575) internal successors, (539512), 123431 states have internal predecessors, (539512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 23:01:00,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123432 states to 123432 states and 539512 transitions. [2022-01-17 23:01:00,752 INFO L78 Accepts]: Start accepts. Automaton has 123432 states and 539512 transitions. Word has length 50 [2022-01-17 23:01:00,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 23:01:00,752 INFO L470 AbstractCegarLoop]: Abstraction has 123432 states and 539512 transitions. [2022-01-17 23:01:00,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 23:01:00,752 INFO L276 IsEmpty]: Start isEmpty. Operand 123432 states and 539512 transitions. [2022-01-17 23:01:00,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-01-17 23:01:00,765 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 23:01:00,765 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 23:01:00,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-01-17 23:01:00,766 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-17 23:01:00,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 23:01:00,766 INFO L85 PathProgramCache]: Analyzing trace with hash -791742585, now seen corresponding path program 1 times [2022-01-17 23:01:00,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 23:01:00,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675954818] [2022-01-17 23:01:00,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 23:01:00,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 23:01:00,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-17 23:01:00,800 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-17 23:01:00,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-17 23:01:00,819 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-17 23:01:00,820 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-17 23:01:00,820 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (5 of 6 remaining) [2022-01-17 23:01:00,820 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2022-01-17 23:01:00,820 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 6 remaining) [2022-01-17 23:01:00,820 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2022-01-17 23:01:00,820 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2022-01-17 23:01:00,835 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2022-01-17 23:01:00,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-01-17 23:01:00,836 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 23:01:00,836 WARN L234 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2022-01-17 23:01:00,836 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2022-01-17 23:01:00,850 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,850 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,850 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,850 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,850 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,850 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,850 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,850 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,850 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,850 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,851 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,851 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,851 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,851 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,851 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,851 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,851 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,851 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,851 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,851 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,851 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,851 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,851 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,851 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,851 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,851 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,852 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,852 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,852 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,852 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,852 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,852 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,852 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,852 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,852 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,852 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,852 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,852 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,852 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,852 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,853 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,853 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,853 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,853 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,853 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,853 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,853 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,853 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,853 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,853 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,853 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,853 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,853 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,853 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,853 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,853 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,854 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,854 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,854 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,854 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,854 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,854 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,854 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,854 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,854 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,854 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,854 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,854 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,854 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,854 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,854 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,854 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,855 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,855 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,855 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,855 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,855 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,855 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,855 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,855 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,855 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,855 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,855 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,855 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,855 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,855 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,855 WARN L322 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,855 WARN L322 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,856 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,856 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,856 WARN L322 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,856 WARN L322 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,856 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,856 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,856 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,856 WARN L322 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,856 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,856 WARN L322 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,856 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,856 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,856 WARN L322 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,856 WARN L322 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,856 WARN L322 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,856 WARN L322 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,857 WARN L322 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,857 WARN L322 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,857 WARN L322 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,857 WARN L322 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,857 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,857 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,857 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,857 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,857 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,857 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,857 WARN L322 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,857 WARN L322 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,857 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,857 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,857 WARN L322 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,857 WARN L322 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,858 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,858 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,858 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,858 WARN L322 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,858 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,858 WARN L322 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,858 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,858 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,858 WARN L322 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,858 WARN L322 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,858 WARN L322 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,858 WARN L322 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,858 WARN L322 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,858 WARN L322 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,858 WARN L322 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,859 WARN L322 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,859 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,859 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,859 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,859 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,860 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,860 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,860 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,860 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,860 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,860 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,861 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,861 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,861 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,861 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,861 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,861 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,862 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,862 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,862 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,862 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,862 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,862 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,862 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,862 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,863 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,863 WARN L322 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,863 WARN L322 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,863 WARN L322 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,863 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,863 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,863 WARN L322 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,863 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,863 WARN L322 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,863 WARN L322 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:01:00,863 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-01-17 23:01:00,864 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-17 23:01:00,865 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-17 23:01:00,865 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-01-17 23:01:00,867 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 96 places, 86 transitions, 217 flow [2022-01-17 23:02:33,779 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2461910 states, 2461821 states have (on average 5.46701202077649) internal successors, (13458805), 2461909 states have internal predecessors, (13458805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 23:02:39,761 INFO L276 IsEmpty]: Start isEmpty. Operand has 2461910 states, 2461821 states have (on average 5.46701202077649) internal successors, (13458805), 2461909 states have internal predecessors, (13458805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 23:02:39,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-01-17 23:02:39,763 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 23:02:39,763 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 23:02:39,763 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-01-17 23:02:39,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 23:02:39,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1615531528, now seen corresponding path program 1 times [2022-01-17 23:02:39,763 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 23:02:39,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494781607] [2022-01-17 23:02:39,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 23:02:39,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 23:02:39,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 23:02:39,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 23:02:39,797 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 23:02:39,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494781607] [2022-01-17 23:02:39,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494781607] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 23:02:39,797 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 23:02:39,797 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-17 23:02:39,797 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004779104] [2022-01-17 23:02:39,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 23:02:39,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-17 23:02:39,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 23:02:39,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-17 23:02:39,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-17 23:02:45,572 INFO L87 Difference]: Start difference. First operand has 2461910 states, 2461821 states have (on average 5.46701202077649) internal successors, (13458805), 2461909 states have internal predecessors, (13458805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)