/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-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_61-invariant_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-770125f [2021-05-22 00:53:38,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-22 00:53:38,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-22 00:53:38,572 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-05-22 00:53:38,588 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-22 00:53:38,589 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-22 00:53:38,590 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-22 00:53:38,591 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-22 00:53:38,593 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-22 00:53:38,593 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-22 00:53:38,595 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-22 00:53:38,598 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-22 00:53:38,599 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-22 00:53:38,600 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-22 00:53:38,601 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-22 00:53:38,602 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-22 00:53:38,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-22 00:53:38,612 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-22 00:53:38,613 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-22 00:53:38,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-22 00:53:38,621 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-Separate.epf [2021-05-22 00:53:38,647 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-22 00:53:38,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-22 00:53:38,648 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-05-22 00:53:38,648 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-05-22 00:53:38,650 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-22 00:53:38,650 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-22 00:53:38,650 INFO L138 SettingsManager]: * Use SBE=true [2021-05-22 00:53:38,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-22 00:53:38,650 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-22 00:53:38,650 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-22 00:53:38,651 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-22 00:53:38,651 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-22 00:53:38,651 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-22 00:53:38,651 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-22 00:53:38,651 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-22 00:53:38,651 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-22 00:53:38,651 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-22 00:53:38,651 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-22 00:53:38,651 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-22 00:53:38,652 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-22 00:53:38,652 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-22 00:53:38,652 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-22 00:53:38,652 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-22 00:53:38,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-22 00:53:38,652 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-22 00:53:38,652 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-22 00:53:38,652 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-22 00:53:38,652 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-22 00:53:38,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-22 00:53:38,652 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-05-22 00:53:38,652 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-22 00:53:38,652 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2021-05-22 00:53:38,653 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-22 00:53:38,887 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-22 00:53:38,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-22 00:53:38,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-22 00:53:38,903 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-22 00:53:38,903 INFO L275 PluginConnector]: CDTParser initialized [2021-05-22 00:53:38,904 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_61-invariant_racing.i [2021-05-22 00:53:38,951 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd994ac3e/22c06b26b49f4e19b4924e1c54d4df19/FLAGfd8984743 [2021-05-22 00:53:39,404 INFO L306 CDTParser]: Found 1 translation units. [2021-05-22 00:53:39,404 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_61-invariant_racing.i [2021-05-22 00:53:39,412 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd994ac3e/22c06b26b49f4e19b4924e1c54d4df19/FLAGfd8984743 [2021-05-22 00:53:39,421 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd994ac3e/22c06b26b49f4e19b4924e1c54d4df19 [2021-05-22 00:53:39,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-22 00:53:39,424 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-05-22 00:53:39,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-22 00:53:39,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-22 00:53:39,427 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-22 00:53:39,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.05 12:53:39" (1/1) ... [2021-05-22 00:53:39,428 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11ac0e09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 12:53:39, skipping insertion in model container [2021-05-22 00:53:39,428 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.05 12:53:39" (1/1) ... [2021-05-22 00:53:39,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-22 00:53:39,452 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-22 00:53:39,674 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_61-invariant_racing.i[29913,29926] [2021-05-22 00:53:39,687 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-22 00:53:39,694 INFO L203 MainTranslator]: Completed pre-run [2021-05-22 00:53:39,726 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_61-invariant_racing.i[29913,29926] [2021-05-22 00:53:39,745 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-22 00:53:39,797 INFO L208 MainTranslator]: Completed translation [2021-05-22 00:53:39,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 12:53:39 WrapperNode [2021-05-22 00:53:39,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-22 00:53:39,799 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-05-22 00:53:39,799 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-05-22 00:53:39,799 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-05-22 00:53:39,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 12:53:39" (1/1) ... [2021-05-22 00:53:39,827 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 12:53:39" (1/1) ... [2021-05-22 00:53:39,846 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-05-22 00:53:39,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-22 00:53:39,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-22 00:53:39,847 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-22 00:53:39,852 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 12:53:39" (1/1) ... [2021-05-22 00:53:39,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 12:53:39" (1/1) ... [2021-05-22 00:53:39,862 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 12:53:39" (1/1) ... [2021-05-22 00:53:39,863 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 12:53:39" (1/1) ... [2021-05-22 00:53:39,870 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 12:53:39" (1/1) ... [2021-05-22 00:53:39,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 12:53:39" (1/1) ... [2021-05-22 00:53:39,874 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 12:53:39" (1/1) ... [2021-05-22 00:53:39,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-22 00:53:39,876 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-22 00:53:39,876 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-22 00:53:39,876 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-22 00:53:39,877 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 12:53:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-22 00:53:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-22 00:53:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-22 00:53:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-05-22 00:53:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-22 00:53:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-05-22 00:53:39,920 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-05-22 00:53:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-22 00:53:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-22 00:53:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-22 00:53:39,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-22 00:53:39,922 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-05-22 00:53:40,208 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-22 00:53:40,208 INFO L299 CfgBuilder]: Removed 22 assume(true) statements. [2021-05-22 00:53:40,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.05 12:53:40 BoogieIcfgContainer [2021-05-22 00:53:40,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-22 00:53:40,211 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-22 00:53:40,211 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-22 00:53:40,212 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-22 00:53:40,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.05 12:53:39" (1/3) ... [2021-05-22 00:53:40,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@633da3c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.05 12:53:40, skipping insertion in model container [2021-05-22 00:53:40,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 12:53:39" (2/3) ... [2021-05-22 00:53:40,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@633da3c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.05 12:53:40, skipping insertion in model container [2021-05-22 00:53:40,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.05 12:53:40" (3/3) ... [2021-05-22 00:53:40,214 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_61-invariant_racing.i [2021-05-22 00:53:40,218 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-05-22 00:53:40,218 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-05-22 00:53:40,218 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-05-22 00:53:40,218 INFO L478 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-05-22 00:53:40,234 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:40,235 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:40,235 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:40,235 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:40,235 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:40,235 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:40,235 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:40,236 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:40,236 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:40,236 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:40,236 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:40,236 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:40,236 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:40,236 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:40,237 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:40,237 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:40,237 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:40,237 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:40,237 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:40,237 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:40,237 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:40,238 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:40,238 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:40,238 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:40,238 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:40,238 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:40,238 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:40,238 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:40,238 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:40,238 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:40,239 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:40,239 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:40,239 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:40,239 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:40,239 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:40,239 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:40,241 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:40,241 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:40,241 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:40,241 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:40,241 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:40,241 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:40,241 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:40,241 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:40,241 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:40,246 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-05-22 00:53:40,260 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-22 00:53:40,271 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-22 00:53:40,272 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-22 00:53:40,272 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-22 00:53:40,272 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-22 00:53:40,272 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-22 00:53:40,272 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-22 00:53:40,272 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-22 00:53:40,272 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-22 00:53:40,279 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 106 places, 122 transitions, 252 flow [2021-05-22 00:53:40,322 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1348 states, 1342 states have (on average 2.37779433681073) internal successors, (3191), 1347 states have internal predecessors, (3191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-22 00:53:40,326 INFO L276 IsEmpty]: Start isEmpty. Operand has 1348 states, 1342 states have (on average 2.37779433681073) internal successors, (3191), 1347 states have internal predecessors, (3191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-22 00:53:40,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-05-22 00:53:40,333 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:53:40,334 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-22 00:53:40,334 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:53:40,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:53:40,341 INFO L82 PathProgramCache]: Analyzing trace with hash -1459027388, now seen corresponding path program 1 times [2021-05-22 00:53:40,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:53:40,346 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029553789] [2021-05-22 00:53:40,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:53:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:53:40,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:53:40,451 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:53:40,451 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029553789] [2021-05-22 00:53:40,451 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029553789] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:53:40,452 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:53:40,452 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-05-22 00:53:40,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579072932] [2021-05-22 00:53:40,455 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-05-22 00:53:40,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:53:40,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-05-22 00:53:40,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-05-22 00:53:40,466 INFO L87 Difference]: Start difference. First operand has 1348 states, 1342 states have (on average 2.37779433681073) internal successors, (3191), 1347 states have internal predecessors, (3191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-22 00:53:40,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:53:40,491 INFO L93 Difference]: Finished difference Result 1322 states and 2548 transitions. [2021-05-22 00:53:40,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-22 00:53:40,492 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-05-22 00:53:40,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:53:40,505 INFO L225 Difference]: With dead ends: 1322 [2021-05-22 00:53:40,505 INFO L226 Difference]: Without dead ends: 855 [2021-05-22 00:53:40,506 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-05-22 00:53:40,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2021-05-22 00:53:40,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 855. [2021-05-22 00:53:40,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 855 states, 853 states have (on average 1.9109026963657678) internal successors, (1630), 854 states have internal predecessors, (1630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-22 00:53:40,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 855 states and 1630 transitions. [2021-05-22 00:53:40,564 INFO L78 Accepts]: Start accepts. Automaton has 855 states and 1630 transitions. Word has length 35 [2021-05-22 00:53:40,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:53:40,564 INFO L482 AbstractCegarLoop]: Abstraction has 855 states and 1630 transitions. [2021-05-22 00:53:40,564 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-22 00:53:40,564 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1630 transitions. [2021-05-22 00:53:40,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-05-22 00:53:40,566 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:53:40,566 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-22 00:53:40,567 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-22 00:53:40,567 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:53:40,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:53:40,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1519880622, now seen corresponding path program 1 times [2021-05-22 00:53:40,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:53:40,568 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725189332] [2021-05-22 00:53:40,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:53:40,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:53:40,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:53:40,632 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:53:40,632 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725189332] [2021-05-22 00:53:40,633 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725189332] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:53:40,633 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:53:40,633 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-05-22 00:53:40,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887057523] [2021-05-22 00:53:40,634 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-22 00:53:40,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:53:40,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-22 00:53:40,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-22 00:53:40,635 INFO L87 Difference]: Start difference. First operand 855 states and 1630 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-22 00:53:40,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:53:40,648 INFO L93 Difference]: Finished difference Result 829 states and 1604 transitions. [2021-05-22 00:53:40,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-22 00:53:40,649 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have 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 [2021-05-22 00:53:40,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:53:40,651 INFO L225 Difference]: With dead ends: 829 [2021-05-22 00:53:40,652 INFO L226 Difference]: Without dead ends: 829 [2021-05-22 00:53:40,652 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-22 00:53:40,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 829 states. [2021-05-22 00:53:40,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 829 to 829. [2021-05-22 00:53:40,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 829 states, 828 states have (on average 1.9371980676328502) internal successors, (1604), 828 states have internal predecessors, (1604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-22 00:53:40,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 829 states and 1604 transitions. [2021-05-22 00:53:40,670 INFO L78 Accepts]: Start accepts. Automaton has 829 states and 1604 transitions. Word has length 50 [2021-05-22 00:53:40,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:53:40,671 INFO L482 AbstractCegarLoop]: Abstraction has 829 states and 1604 transitions. [2021-05-22 00:53:40,671 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-22 00:53:40,671 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1604 transitions. [2021-05-22 00:53:40,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-05-22 00:53:40,673 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:53:40,673 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-22 00:53:40,673 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-05-22 00:53:40,673 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:53:40,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:53:40,674 INFO L82 PathProgramCache]: Analyzing trace with hash -1524789666, now seen corresponding path program 1 times [2021-05-22 00:53:40,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:53:40,674 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392955624] [2021-05-22 00:53:40,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:53:40,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:53:40,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:53:40,741 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:53:40,741 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392955624] [2021-05-22 00:53:40,741 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392955624] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-22 00:53:40,741 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [290914890] [2021-05-22 00:53:40,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-22 00:53:40,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:53:40,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 4 conjunts are in the unsatisfiable core [2021-05-22 00:53:40,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-22 00:53:40,918 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:53:40,918 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [290914890] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-22 00:53:40,919 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-22 00:53:40,919 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-05-22 00:53:40,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826495429] [2021-05-22 00:53:40,919 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-05-22 00:53:40,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:53:40,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-05-22 00:53:40,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-05-22 00:53:40,920 INFO L87 Difference]: Start difference. First operand 829 states and 1604 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-22 00:53:40,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:53:40,945 INFO L93 Difference]: Finished difference Result 179 states and 304 transitions. [2021-05-22 00:53:40,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-22 00:53:40,946 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-05-22 00:53:40,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:53:40,946 INFO L225 Difference]: With dead ends: 179 [2021-05-22 00:53:40,946 INFO L226 Difference]: Without dead ends: 0 [2021-05-22 00:53:40,946 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 27.8ms TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-05-22 00:53:40,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-05-22 00:53:40,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-05-22 00:53:40,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-22 00:53:40,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-05-22 00:53:40,947 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2021-05-22 00:53:40,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:53:40,947 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-05-22 00:53:40,947 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-22 00:53:40,947 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-05-22 00:53:40,947 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-05-22 00:53:41,166 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-05-22 00:53:41,167 INFO L315 ceAbstractionStarter]: Result for error location AllErrorsAtOnce was SAFE (1/2) [2021-05-22 00:53:41,168 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-22 00:53:41,169 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-22 00:53:41,169 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-22 00:53:41,169 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-22 00:53:41,169 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-22 00:53:41,169 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-22 00:53:41,169 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-22 00:53:41,170 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-22 00:53:41,170 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == InUseError======== [2021-05-22 00:53:41,171 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 106 places, 122 transitions, 252 flow [2021-05-22 00:53:41,186 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1348 states, 1342 states have (on average 2.37779433681073) internal successors, (3191), 1347 states have internal predecessors, (3191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-22 00:53:41,188 INFO L276 IsEmpty]: Start isEmpty. Operand has 1348 states, 1342 states have (on average 2.37779433681073) internal successors, (3191), 1347 states have internal predecessors, (3191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-22 00:53:41,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-05-22 00:53:41,189 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:53:41,189 INFO L521 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] [2021-05-22 00:53:41,189 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-05-22 00:53:41,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:53:41,189 INFO L82 PathProgramCache]: Analyzing trace with hash 231012537, now seen corresponding path program 1 times [2021-05-22 00:53:41,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:53:41,190 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758475882] [2021-05-22 00:53:41,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:53:41,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-22 00:53:41,204 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-22 00:53:41,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-22 00:53:41,215 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-22 00:53:41,256 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-05-22 00:53:41,256 INFO L622 BasicCegarLoop]: Counterexample might be feasible [2021-05-22 00:53:41,256 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-05-22 00:53:41,256 INFO L315 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (2/2) [2021-05-22 00:53:41,257 WARN L242 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-05-22 00:53:41,257 INFO L478 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-05-22 00:53:41,278 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,278 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,278 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,278 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,279 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,279 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,279 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,279 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,279 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,279 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,279 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,279 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,279 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,280 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,280 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,280 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,280 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,280 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,280 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,280 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,280 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,280 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,281 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,281 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,281 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,281 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,281 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,281 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,281 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,281 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,281 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,282 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,282 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,282 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,282 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,282 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,282 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,282 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,282 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,282 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,283 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,283 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,283 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,283 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,283 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,283 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,283 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,283 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,283 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,283 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,284 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,284 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,284 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,284 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,284 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,284 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,284 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,284 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,284 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,286 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,287 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,287 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,287 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,287 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,287 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,290 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,290 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,290 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,290 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,290 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,290 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,290 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,291 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,291 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:41,294 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-05-22 00:53:41,295 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-22 00:53:41,296 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-22 00:53:41,296 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-22 00:53:41,296 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-22 00:53:41,296 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-22 00:53:41,296 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-22 00:53:41,296 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-22 00:53:41,296 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-22 00:53:41,296 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-22 00:53:41,301 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 133 places, 155 transitions, 328 flow [2021-05-22 00:53:43,373 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 33623 states, 33614 states have (on average 3.6097459391920035) internal successors, (121338), 33622 states have internal predecessors, (121338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-22 00:53:43,416 INFO L276 IsEmpty]: Start isEmpty. Operand has 33623 states, 33614 states have (on average 3.6097459391920035) internal successors, (121338), 33622 states have internal predecessors, (121338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-22 00:53:43,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-05-22 00:53:43,417 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:53:43,417 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-22 00:53:43,417 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:53:43,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:53:43,418 INFO L82 PathProgramCache]: Analyzing trace with hash 743417215, now seen corresponding path program 1 times [2021-05-22 00:53:43,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:53:43,418 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047881295] [2021-05-22 00:53:43,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:53:43,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:53:43,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:53:43,451 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:53:43,451 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047881295] [2021-05-22 00:53:43,451 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047881295] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:53:43,451 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:53:43,451 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-05-22 00:53:43,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659857736] [2021-05-22 00:53:43,452 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-05-22 00:53:43,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:53:43,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-05-22 00:53:43,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-05-22 00:53:43,498 INFO L87 Difference]: Start difference. First operand has 33623 states, 33614 states have (on average 3.6097459391920035) internal successors, (121338), 33622 states have internal predecessors, (121338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-22 00:53:43,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:53:43,865 INFO L93 Difference]: Finished difference Result 32972 states and 96524 transitions. [2021-05-22 00:53:43,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-22 00:53:43,865 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-05-22 00:53:43,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:53:43,959 INFO L225 Difference]: With dead ends: 32972 [2021-05-22 00:53:43,960 INFO L226 Difference]: Without dead ends: 20955 [2021-05-22 00:53:43,960 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-05-22 00:53:44,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20955 states. [2021-05-22 00:53:44,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20955 to 20955. [2021-05-22 00:53:44,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20955 states, 20952 states have (on average 2.922394043528064) internal successors, (61230), 20954 states have internal predecessors, (61230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-22 00:53:44,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20955 states to 20955 states and 61230 transitions. [2021-05-22 00:53:44,726 INFO L78 Accepts]: Start accepts. Automaton has 20955 states and 61230 transitions. Word has length 35 [2021-05-22 00:53:44,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:53:44,726 INFO L482 AbstractCegarLoop]: Abstraction has 20955 states and 61230 transitions. [2021-05-22 00:53:44,726 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-22 00:53:44,726 INFO L276 IsEmpty]: Start isEmpty. Operand 20955 states and 61230 transitions. [2021-05-22 00:53:44,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-05-22 00:53:44,728 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:53:44,728 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-22 00:53:44,728 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-05-22 00:53:44,728 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:53:44,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:53:44,729 INFO L82 PathProgramCache]: Analyzing trace with hash 216419854, now seen corresponding path program 1 times [2021-05-22 00:53:44,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:53:44,729 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867634908] [2021-05-22 00:53:44,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:53:44,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:53:44,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:53:44,750 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:53:44,750 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867634908] [2021-05-22 00:53:44,750 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867634908] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:53:44,750 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:53:44,750 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-05-22 00:53:44,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400705695] [2021-05-22 00:53:44,751 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-22 00:53:44,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:53:44,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-22 00:53:44,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-22 00:53:44,751 INFO L87 Difference]: Start difference. First operand 20955 states and 61230 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-22 00:53:44,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:53:44,874 INFO L93 Difference]: Finished difference Result 20929 states and 61204 transitions. [2021-05-22 00:53:44,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-22 00:53:44,875 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have 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 [2021-05-22 00:53:44,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:53:44,915 INFO L225 Difference]: With dead ends: 20929 [2021-05-22 00:53:44,915 INFO L226 Difference]: Without dead ends: 20929 [2021-05-22 00:53:44,915 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-22 00:53:45,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20929 states. [2021-05-22 00:53:45,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20929 to 20929. [2021-05-22 00:53:45,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20929 states, 20927 states have (on average 2.924642805944474) internal successors, (61204), 20928 states have internal predecessors, (61204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-22 00:53:45,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20929 states to 20929 states and 61204 transitions. [2021-05-22 00:53:45,678 INFO L78 Accepts]: Start accepts. Automaton has 20929 states and 61204 transitions. Word has length 50 [2021-05-22 00:53:45,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:53:45,678 INFO L482 AbstractCegarLoop]: Abstraction has 20929 states and 61204 transitions. [2021-05-22 00:53:45,678 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-22 00:53:45,678 INFO L276 IsEmpty]: Start isEmpty. Operand 20929 states and 61204 transitions. [2021-05-22 00:53:45,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-05-22 00:53:45,686 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:53:45,686 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-22 00:53:45,686 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-05-22 00:53:45,686 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:53:45,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:53:45,687 INFO L82 PathProgramCache]: Analyzing trace with hash 1716848543, now seen corresponding path program 1 times [2021-05-22 00:53:45,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:53:45,687 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309265025] [2021-05-22 00:53:45,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:53:45,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:53:45,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:53:45,735 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:53:45,735 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309265025] [2021-05-22 00:53:45,736 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309265025] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-22 00:53:45,736 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1468354526] [2021-05-22 00:53:45,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-22 00:53:45,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:53:45,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 4 conjunts are in the unsatisfiable core [2021-05-22 00:53:45,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-22 00:53:45,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:53:45,923 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1468354526] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-22 00:53:45,923 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-22 00:53:45,923 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-05-22 00:53:45,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79621432] [2021-05-22 00:53:45,923 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-05-22 00:53:45,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:53:45,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-05-22 00:53:45,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-05-22 00:53:45,924 INFO L87 Difference]: Start difference. First operand 20929 states and 61204 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-22 00:53:46,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:53:46,015 INFO L93 Difference]: Finished difference Result 20279 states and 59904 transitions. [2021-05-22 00:53:46,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-22 00:53:46,015 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-05-22 00:53:46,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:53:46,053 INFO L225 Difference]: With dead ends: 20279 [2021-05-22 00:53:46,053 INFO L226 Difference]: Without dead ends: 20279 [2021-05-22 00:53:46,054 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 27.8ms TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-05-22 00:53:46,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20279 states. [2021-05-22 00:53:46,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20279 to 20279. [2021-05-22 00:53:46,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20279 states, 20278 states have (on average 2.954137488904231) internal successors, (59904), 20278 states have internal predecessors, (59904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-22 00:53:46,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20279 states to 20279 states and 59904 transitions. [2021-05-22 00:53:46,733 INFO L78 Accepts]: Start accepts. Automaton has 20279 states and 59904 transitions. Word has length 60 [2021-05-22 00:53:46,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:53:46,734 INFO L482 AbstractCegarLoop]: Abstraction has 20279 states and 59904 transitions. [2021-05-22 00:53:46,734 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-22 00:53:46,734 INFO L276 IsEmpty]: Start isEmpty. Operand 20279 states and 59904 transitions. [2021-05-22 00:53:46,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-05-22 00:53:46,750 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:53:46,750 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-22 00:53:46,964 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-22 00:53:46,965 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:53:46,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:53:46,965 INFO L82 PathProgramCache]: Analyzing trace with hash 1898577871, now seen corresponding path program 1 times [2021-05-22 00:53:46,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:53:46,966 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059389252] [2021-05-22 00:53:46,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:53:46,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:53:47,014 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:53:47,014 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:53:47,014 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059389252] [2021-05-22 00:53:47,015 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059389252] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-22 00:53:47,015 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [308504607] [2021-05-22 00:53:47,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-22 00:53:47,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:53:47,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 6 conjunts are in the unsatisfiable core [2021-05-22 00:53:47,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-22 00:53:47,183 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:53:47,184 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [308504607] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-22 00:53:47,184 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-22 00:53:47,184 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-05-22 00:53:47,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332806558] [2021-05-22 00:53:47,185 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-05-22 00:53:47,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:53:47,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-05-22 00:53:47,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-05-22 00:53:47,186 INFO L87 Difference]: Start difference. First operand 20279 states and 59904 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-22 00:53:47,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:53:47,243 INFO L93 Difference]: Finished difference Result 4029 states and 11154 transitions. [2021-05-22 00:53:47,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-22 00:53:47,243 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-05-22 00:53:47,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:53:47,245 INFO L225 Difference]: With dead ends: 4029 [2021-05-22 00:53:47,245 INFO L226 Difference]: Without dead ends: 0 [2021-05-22 00:53:47,245 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 47.6ms TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2021-05-22 00:53:47,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-05-22 00:53:47,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-05-22 00:53:47,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-22 00:53:47,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-05-22 00:53:47,246 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2021-05-22 00:53:47,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:53:47,246 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-05-22 00:53:47,246 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-22 00:53:47,246 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-05-22 00:53:47,246 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-05-22 00:53:47,452 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-22 00:53:47,453 INFO L315 ceAbstractionStarter]: Result for error location AllErrorsAtOnce was SAFE (1/2) [2021-05-22 00:53:47,453 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-22 00:53:47,455 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-22 00:53:47,456 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-22 00:53:47,456 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-22 00:53:47,456 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-22 00:53:47,456 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-22 00:53:47,456 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-22 00:53:47,456 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-22 00:53:47,456 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == InUseError======== [2021-05-22 00:53:47,457 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 133 places, 155 transitions, 328 flow [2021-05-22 00:53:49,734 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 33623 states, 33614 states have (on average 3.6097459391920035) internal successors, (121338), 33622 states have internal predecessors, (121338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-22 00:53:49,771 INFO L276 IsEmpty]: Start isEmpty. Operand has 33623 states, 33614 states have (on average 3.6097459391920035) internal successors, (121338), 33622 states have internal predecessors, (121338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-22 00:53:49,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-05-22 00:53:49,776 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:53:49,776 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 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] [2021-05-22 00:53:49,776 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-05-22 00:53:49,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:53:49,776 INFO L82 PathProgramCache]: Analyzing trace with hash -1736031102, now seen corresponding path program 1 times [2021-05-22 00:53:49,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:53:49,777 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16894533] [2021-05-22 00:53:49,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:53:49,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-22 00:53:49,793 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-22 00:53:49,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-22 00:53:49,803 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-22 00:53:49,807 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-05-22 00:53:49,808 INFO L622 BasicCegarLoop]: Counterexample might be feasible [2021-05-22 00:53:49,808 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-05-22 00:53:49,808 INFO L315 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (2/2) [2021-05-22 00:53:49,808 WARN L242 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-05-22 00:53:49,808 INFO L478 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-05-22 00:53:49,814 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,815 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,815 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,815 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,815 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,815 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,815 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,815 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,815 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,815 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,815 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,815 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,815 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,815 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,815 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,816 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,816 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,816 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,816 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,816 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,816 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,816 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,816 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,816 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,816 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,816 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,816 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,816 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,816 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,817 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,817 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,817 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,817 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,817 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,817 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,817 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,817 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,817 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,817 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,817 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,817 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,817 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,817 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,818 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,818 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,818 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,818 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,818 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,818 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,818 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,818 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,818 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,818 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,818 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,818 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,818 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,818 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,819 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,819 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,819 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,819 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,819 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,819 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,819 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,819 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,819 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,819 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,819 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,819 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,819 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,819 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,820 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,820 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,820 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,820 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,820 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,820 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,820 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,820 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,820 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,820 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,820 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,820 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,820 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,821 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,821 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,821 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,821 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,821 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,821 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,821 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,821 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,821 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,821 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,821 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,821 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,822 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,822 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,822 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,822 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,822 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,822 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,822 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,822 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,822 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,822 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,822 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,822 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,823 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,823 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,823 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,823 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,823 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,823 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,823 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,823 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,823 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,824 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,824 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,824 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,824 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,824 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,825 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,825 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,825 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,825 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,825 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,825 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,826 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,826 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,826 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,826 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,826 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,826 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,826 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:53:49,829 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-05-22 00:53:49,829 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-22 00:53:49,829 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-22 00:53:49,830 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-22 00:53:49,830 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-22 00:53:49,830 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-22 00:53:49,830 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-22 00:53:49,830 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-22 00:53:49,830 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-22 00:53:49,830 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-22 00:53:49,831 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 160 places, 188 transitions, 406 flow Received shutdown request... [2021-05-22 01:08:10,088 WARN L547 AbstractCegarLoop]: Verification canceled [2021-05-22 01:08:10,088 INFO L315 ceAbstractionStarter]: Result for error location AllErrorsAtOnce was TIMEOUT (1/2) [2021-05-22 01:08:10,088 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-22 01:08:10,089 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-22 01:08:10,089 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-22 01:08:10,089 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-22 01:08:10,089 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-22 01:08:10,089 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-22 01:08:10,089 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-22 01:08:10,089 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-22 01:08:10,089 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == InUseError======== [2021-05-22 01:08:10,090 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 160 places, 188 transitions, 406 flow [2021-05-22 01:08:10,090 WARN L547 AbstractCegarLoop]: Verification canceled [2021-05-22 01:08:10,090 INFO L315 ceAbstractionStarter]: Result for error location InUseError was TIMEOUT (2/2) [2021-05-22 01:08:10,090 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 3 thread instances [2021-05-22 01:08:10,092 WARN L196 ceAbstractionStarter]: Timeout [2021-05-22 01:08:10,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.05 01:08:10 BasicIcfg [2021-05-22 01:08:10,093 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-22 01:08:10,093 INFO L168 Benchmark]: Toolchain (without parser) took 870669.28 ms. Allocated memory was 379.6 MB in the beginning and 7.8 GB in the end (delta: 7.5 GB). Free memory was 341.8 MB in the beginning and 4.3 GB in the end (delta: -3.9 GB). Peak memory consumption was 3.5 GB. Max. memory is 16.0 GB. [2021-05-22 01:08:10,093 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 379.6 MB. Free memory is still 359.9 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-05-22 01:08:10,093 INFO L168 Benchmark]: CACSL2BoogieTranslator took 373.50 ms. Allocated memory is still 379.6 MB. Free memory was 341.6 MB in the beginning and 342.4 MB in the end (delta: -828.0 kB). Peak memory consumption was 7.2 MB. Max. memory is 16.0 GB. [2021-05-22 01:08:10,093 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.19 ms. Allocated memory is still 379.6 MB. Free memory was 342.4 MB in the beginning and 340.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-05-22 01:08:10,093 INFO L168 Benchmark]: Boogie Preprocessor took 28.99 ms. Allocated memory is still 379.6 MB. Free memory was 340.4 MB in the beginning and 339.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-05-22 01:08:10,093 INFO L168 Benchmark]: RCFGBuilder took 333.43 ms. Allocated memory is still 379.6 MB. Free memory was 339.3 MB in the beginning and 307.9 MB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. [2021-05-22 01:08:10,093 INFO L168 Benchmark]: TraceAbstraction took 869882.05 ms. Allocated memory was 379.6 MB in the beginning and 7.8 GB in the end (delta: 7.5 GB). Free memory was 306.8 MB in the beginning and 4.3 GB in the end (delta: -4.0 GB). Peak memory consumption was 3.5 GB. Max. memory is 16.0 GB. [2021-05-22 01:08:10,094 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 379.6 MB. Free memory is still 359.9 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 373.50 ms. Allocated memory is still 379.6 MB. Free memory was 341.6 MB in the beginning and 342.4 MB in the end (delta: -828.0 kB). Peak memory consumption was 7.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 47.19 ms. Allocated memory is still 379.6 MB. Free memory was 342.4 MB in the beginning and 340.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 28.99 ms. Allocated memory is still 379.6 MB. Free memory was 340.4 MB in the beginning and 339.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 333.43 ms. Allocated memory is still 379.6 MB. Free memory was 339.3 MB in the beginning and 307.9 MB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 869882.05 ms. Allocated memory was 379.6 MB in the beginning and 7.8 GB in the end (delta: 7.5 GB). Free memory was 306.8 MB in the beginning and 4.3 GB in the end (delta: -4.0 GB). Peak memory consumption was 3.5 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 684]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 160 places, 188 transitions, 406 flow. Already constructed 711609 states. Currently 32150 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 129 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 897.1ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 14.8ms, AutomataDifference: 96.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 50.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 266 SDtfs, 242 SDslu, 196 SDs, 0 SdLazy, 17 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 71 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 33.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1348occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 67.0ms AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 19.1ms SsaConstructionTime, 63.2ms SatisfiabilityAnalysisTime, 232.5ms InterpolantComputationTime, 205 NumberOfCodeBlocks, 205 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 201 ConstructedInterpolants, 0 QuantifiedInterpolants, 247 SizeOfPredicates, 2 NumberOfNonLiveVariables, 146 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 0/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances CFG has 4 procedures, 154 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6157.2ms, OverallIterations: 4, TraceHistogramMax: 2, EmptinessCheckTime: 68.4ms, AutomataDifference: 862.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2077.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 502 SDtfs, 615 SDslu, 1002 SDs, 0 SdLazy, 60 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 30.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 151 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 77.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=33623occurred in iteration=0, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 2208.5ms AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 32.6ms SsaConstructionTime, 59.1ms SatisfiabilityAnalysisTime, 308.3ms InterpolantComputationTime, 345 NumberOfCodeBlocks, 345 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 339 ConstructedInterpolants, 0 QuantifiedInterpolants, 469 SizeOfPredicates, 6 NumberOfNonLiveVariables, 311 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 0/26 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 3 thread instances CFG has 5 procedures, 179 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 860258.2ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 860257.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 1 thread instances CFG has 3 procedures, 129 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 87.3ms, OverallIterations: 1, TraceHistogramMax: 2, EmptinessCheckTime: 2.3ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 16.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1348occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.3ms SsaConstructionTime, 9.7ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 2 thread instances CFG has 4 procedures, 154 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2352.3ms, OverallIterations: 1, TraceHistogramMax: 3, EmptinessCheckTime: 41.5ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2278.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=33623occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 2.3ms SsaConstructionTime, 11.8ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 3 thread instances CFG has 5 procedures, 179 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 1.4ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown