/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_24-sound_lock_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-770125f [2021-05-21 18:38:59,976 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-21 18:38:59,978 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-21 18:39:00,015 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-05-21 18:39:00,066 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-21 18:39:00,067 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-21 18:39:00,067 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-21 18:39:00,074 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2021-05-21 18:39:00,108 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-21 18:39:00,108 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-21 18:39:00,109 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-05-21 18:39:00,109 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-05-21 18:39:00,111 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-21 18:39:00,111 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-21 18:39:00,111 INFO L138 SettingsManager]: * Use SBE=true [2021-05-21 18:39:00,112 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-21 18:39:00,112 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-21 18:39:00,112 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-21 18:39:00,113 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-21 18:39:00,113 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-21 18:39:00,113 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-21 18:39:00,113 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-21 18:39:00,113 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-21 18:39:00,113 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-21 18:39:00,114 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-21 18:39:00,114 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-21 18:39:00,114 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-21 18:39:00,114 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-21 18:39:00,114 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-21 18:39:00,114 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-21 18:39:00,115 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-21 18:39:00,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-21 18:39:00,115 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-21 18:39:00,115 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-21 18:39:00,115 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-21 18:39:00,115 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-21 18:39:00,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-21 18:39:00,116 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-05-21 18:39:00,116 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-21 18:39:00,116 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-21 18:39:00,404 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-21 18:39:00,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-21 18:39:00,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-21 18:39:00,429 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-21 18:39:00,431 INFO L275 PluginConnector]: CDTParser initialized [2021-05-21 18:39:00,432 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_24-sound_lock_racing.i [2021-05-21 18:39:00,499 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2cf40eb9/8d117dfb80da455bb429b056265cceb6/FLAG9bf06f2d1 [2021-05-21 18:39:01,035 INFO L306 CDTParser]: Found 1 translation units. [2021-05-21 18:39:01,036 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_24-sound_lock_racing.i [2021-05-21 18:39:01,050 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2cf40eb9/8d117dfb80da455bb429b056265cceb6/FLAG9bf06f2d1 [2021-05-21 18:39:01,330 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2cf40eb9/8d117dfb80da455bb429b056265cceb6 [2021-05-21 18:39:01,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-21 18:39:01,335 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-05-21 18:39:01,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-21 18:39:01,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-21 18:39:01,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-21 18:39:01,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.05 06:39:01" (1/1) ... [2021-05-21 18:39:01,343 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f321355 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 06:39:01, skipping insertion in model container [2021-05-21 18:39:01,343 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.05 06:39:01" (1/1) ... [2021-05-21 18:39:01,349 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-21 18:39:01,392 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-21 18:39:01,689 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_24-sound_lock_racing.i[29913,29926] [2021-05-21 18:39:01,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-21 18:39:01,720 INFO L203 MainTranslator]: Completed pre-run [2021-05-21 18:39:01,751 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_24-sound_lock_racing.i[29913,29926] [2021-05-21 18:39:01,760 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-21 18:39:01,809 INFO L208 MainTranslator]: Completed translation [2021-05-21 18:39:01,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 06:39:01 WrapperNode [2021-05-21 18:39:01,810 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-21 18:39:01,811 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-05-21 18:39:01,811 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-05-21 18:39:01,811 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-05-21 18:39:01,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 06:39:01" (1/1) ... [2021-05-21 18:39:01,829 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 06:39:01" (1/1) ... [2021-05-21 18:39:01,845 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-05-21 18:39:01,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-21 18:39:01,846 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-21 18:39:01,846 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-21 18:39:01,852 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 06:39:01" (1/1) ... [2021-05-21 18:39:01,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 06:39:01" (1/1) ... [2021-05-21 18:39:01,855 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 06:39:01" (1/1) ... [2021-05-21 18:39:01,855 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 06:39:01" (1/1) ... [2021-05-21 18:39:01,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 06:39:01" (1/1) ... [2021-05-21 18:39:01,864 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 06:39:01" (1/1) ... [2021-05-21 18:39:01,865 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 06:39:01" (1/1) ... [2021-05-21 18:39:01,868 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-21 18:39:01,876 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-21 18:39:01,877 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-21 18:39:01,877 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-21 18:39:01,878 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 06:39:01" (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 [2021-05-21 18:39:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-21 18:39:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-21 18:39:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-05-21 18:39:01,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-21 18:39:01,926 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-05-21 18:39:01,928 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-05-21 18:39:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-21 18:39:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-21 18:39:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-21 18:39:01,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-21 18:39:01,930 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-05-21 18:39:02,280 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-21 18:39:02,280 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-05-21 18:39:02,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.05 06:39:02 BoogieIcfgContainer [2021-05-21 18:39:02,283 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-21 18:39:02,284 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-21 18:39:02,284 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-21 18:39:02,286 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-21 18:39:02,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.05 06:39:01" (1/3) ... [2021-05-21 18:39:02,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cb4dfd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.05 06:39:02, skipping insertion in model container [2021-05-21 18:39:02,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 06:39:01" (2/3) ... [2021-05-21 18:39:02,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cb4dfd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.05 06:39:02, skipping insertion in model container [2021-05-21 18:39:02,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.05 06:39:02" (3/3) ... [2021-05-21 18:39:02,289 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_24-sound_lock_racing.i [2021-05-21 18:39:02,294 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-05-21 18:39:02,294 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-05-21 18:39:02,295 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-05-21 18:39:02,295 INFO L478 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-05-21 18:39:02,328 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:02,329 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:02,329 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:02,329 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:02,329 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:02,329 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:02,329 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:02,330 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:02,330 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:02,330 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:02,330 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:02,330 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:02,330 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:02,331 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:02,331 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:02,331 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:02,331 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:02,331 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:02,332 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:02,332 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:02,332 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:02,332 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:02,332 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:02,333 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:02,333 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:02,333 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:02,333 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:02,333 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:02,333 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:02,334 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:02,334 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:02,334 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:02,334 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:02,334 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:02,335 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:02,335 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:02,337 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:02,337 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:02,337 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:02,337 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:02,337 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:02,337 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:02,338 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:02,338 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:02,338 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:02,344 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-05-21 18:39:02,361 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-05-21 18:39:02,377 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-21 18:39:02,378 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-21 18:39:02,378 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-21 18:39:02,378 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-21 18:39:02,378 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-21 18:39:02,378 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-21 18:39:02,378 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-21 18:39:02,378 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-21 18:39:02,387 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 100 places, 110 transitions, 228 flow [2021-05-21 18:39:02,429 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 874 states, 868 states have (on average 2.25) internal successors, (1953), 873 states have internal predecessors, (1953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:39:02,433 INFO L276 IsEmpty]: Start isEmpty. Operand has 874 states, 868 states have (on average 2.25) internal successors, (1953), 873 states have internal predecessors, (1953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:39:02,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-05-21 18:39:02,439 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:39:02,440 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] [2021-05-21 18:39:02,440 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:39:02,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:39:02,444 INFO L82 PathProgramCache]: Analyzing trace with hash -1965459098, now seen corresponding path program 1 times [2021-05-21 18:39:02,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:39:02,452 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382705841] [2021-05-21 18:39:02,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:39:02,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:39:02,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:39:02,702 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 18:39:02,702 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382705841] [2021-05-21 18:39:02,703 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382705841] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 18:39:02,703 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 18:39:02,704 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-05-21 18:39:02,704 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092394379] [2021-05-21 18:39:02,708 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-21 18:39:02,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 18:39:02,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-21 18:39:02,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 18:39:02,727 INFO L87 Difference]: Start difference. First operand has 874 states, 868 states have (on average 2.25) internal successors, (1953), 873 states have internal predecessors, (1953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:39:02,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 18:39:02,793 INFO L93 Difference]: Finished difference Result 836 states and 1562 transitions. [2021-05-21 18:39:02,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-21 18:39:02,798 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2021-05-21 18:39:02,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 18:39:02,816 INFO L225 Difference]: With dead ends: 836 [2021-05-21 18:39:02,816 INFO L226 Difference]: Without dead ends: 524 [2021-05-21 18:39:02,817 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 18:39:02,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2021-05-21 18:39:02,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 524. [2021-05-21 18:39:02,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 522 states have (on average 1.8467432950191571) internal successors, (964), 523 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:39:02,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 964 transitions. [2021-05-21 18:39:02,894 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 964 transitions. Word has length 45 [2021-05-21 18:39:02,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 18:39:02,895 INFO L482 AbstractCegarLoop]: Abstraction has 524 states and 964 transitions. [2021-05-21 18:39:02,895 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:39:02,895 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 964 transitions. [2021-05-21 18:39:02,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-05-21 18:39:02,897 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:39:02,898 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 18:39:02,899 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-21 18:39:02,901 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:39:02,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:39:02,905 INFO L82 PathProgramCache]: Analyzing trace with hash -1003743219, now seen corresponding path program 1 times [2021-05-21 18:39:02,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:39:02,908 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866237942] [2021-05-21 18:39:02,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:39:02,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-21 18:39:02,967 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-21 18:39:03,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-21 18:39:03,024 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-21 18:39:03,046 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-05-21 18:39:03,046 INFO L622 BasicCegarLoop]: Counterexample might be feasible [2021-05-21 18:39:03,047 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-05-21 18:39:03,048 WARN L242 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-05-21 18:39:03,048 INFO L478 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-05-21 18:39:03,057 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,057 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,058 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,058 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,058 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,058 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,058 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,058 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,058 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,059 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,059 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,059 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,059 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,059 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,059 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,059 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,059 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,060 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,060 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,060 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,060 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,060 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,060 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,060 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,060 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,061 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,061 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,061 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,061 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,061 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,061 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,061 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,062 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,062 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,062 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,062 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,062 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,062 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,063 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,063 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,063 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,063 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,063 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,063 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,063 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,063 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,063 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,064 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,064 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,064 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,064 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,064 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,064 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,064 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,065 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,065 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,065 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,065 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,065 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,065 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,065 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,065 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,066 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,066 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,066 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,066 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,066 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,066 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,066 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,066 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,066 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,067 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,067 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,067 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,067 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,067 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,068 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,068 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,068 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,068 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,068 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,070 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,070 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,070 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,070 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,070 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,070 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,071 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,071 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,071 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:03,074 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-05-21 18:39:03,075 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-05-21 18:39:03,076 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-21 18:39:03,076 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-21 18:39:03,076 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-21 18:39:03,076 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-21 18:39:03,076 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-21 18:39:03,076 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-21 18:39:03,076 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-21 18:39:03,077 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-21 18:39:03,079 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 125 places, 140 transitions, 298 flow [2021-05-21 18:39:04,266 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 19757 states, 19748 states have (on average 3.4712375936803728) internal successors, (68550), 19756 states have internal predecessors, (68550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:39:04,355 INFO L276 IsEmpty]: Start isEmpty. Operand has 19757 states, 19748 states have (on average 3.4712375936803728) internal successors, (68550), 19756 states have internal predecessors, (68550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:39:04,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-05-21 18:39:04,362 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:39:04,362 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] [2021-05-21 18:39:04,362 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:39:04,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:39:04,363 INFO L82 PathProgramCache]: Analyzing trace with hash -132954157, now seen corresponding path program 1 times [2021-05-21 18:39:04,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:39:04,363 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975271903] [2021-05-21 18:39:04,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:39:04,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:39:04,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:39:04,399 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 18:39:04,399 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975271903] [2021-05-21 18:39:04,399 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975271903] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 18:39:04,400 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 18:39:04,400 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-05-21 18:39:04,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502222263] [2021-05-21 18:39:04,400 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-05-21 18:39:04,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 18:39:04,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-05-21 18:39:04,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-05-21 18:39:04,441 INFO L87 Difference]: Start difference. First operand has 19757 states, 19748 states have (on average 3.4712375936803728) internal successors, (68550), 19756 states have internal predecessors, (68550), 0 states have call successors, (0), 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 22.5) internal successors, (45), 2 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:39:04,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 18:39:04,679 INFO L93 Difference]: Finished difference Result 19204 states and 54209 transitions. [2021-05-21 18:39:04,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-21 18:39:04,679 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2021-05-21 18:39:04,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 18:39:04,735 INFO L225 Difference]: With dead ends: 19204 [2021-05-21 18:39:04,735 INFO L226 Difference]: Without dead ends: 11620 [2021-05-21 18:39:04,736 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 [2021-05-21 18:39:04,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11620 states. [2021-05-21 18:39:05,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11620 to 11620. [2021-05-21 18:39:05,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11620 states, 11616 states have (on average 2.822314049586777) internal successors, (32784), 11619 states have internal predecessors, (32784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:39:05,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11620 states to 11620 states and 32784 transitions. [2021-05-21 18:39:05,274 INFO L78 Accepts]: Start accepts. Automaton has 11620 states and 32784 transitions. Word has length 45 [2021-05-21 18:39:05,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 18:39:05,274 INFO L482 AbstractCegarLoop]: Abstraction has 11620 states and 32784 transitions. [2021-05-21 18:39:05,275 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:39:05,275 INFO L276 IsEmpty]: Start isEmpty. Operand 11620 states and 32784 transitions. [2021-05-21 18:39:05,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-05-21 18:39:05,278 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:39:05,278 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] [2021-05-21 18:39:05,278 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-05-21 18:39:05,278 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:39:05,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:39:05,279 INFO L82 PathProgramCache]: Analyzing trace with hash -329467662, now seen corresponding path program 1 times [2021-05-21 18:39:05,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:39:05,281 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168125869] [2021-05-21 18:39:05,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:39:05,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:39:05,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:39:05,349 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 18:39:05,349 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168125869] [2021-05-21 18:39:05,349 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168125869] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 18:39:05,349 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 18:39:05,350 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-05-21 18:39:05,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163177895] [2021-05-21 18:39:05,350 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-21 18:39:05,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 18:39:05,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-21 18:39:05,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 18:39:05,351 INFO L87 Difference]: Start difference. First operand 11620 states and 32784 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:39:05,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 18:39:05,524 INFO L93 Difference]: Finished difference Result 11610 states and 32774 transitions. [2021-05-21 18:39:05,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-21 18:39:05,524 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2021-05-21 18:39:05,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 18:39:05,575 INFO L225 Difference]: With dead ends: 11610 [2021-05-21 18:39:05,575 INFO L226 Difference]: Without dead ends: 11610 [2021-05-21 18:39:05,577 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 18:39:05,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11610 states. [2021-05-21 18:39:05,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11610 to 11610. [2021-05-21 18:39:05,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11610 states, 11607 states have (on average 2.8236409063496164) internal successors, (32774), 11609 states have internal predecessors, (32774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:39:06,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11610 states to 11610 states and 32774 transitions. [2021-05-21 18:39:06,021 INFO L78 Accepts]: Start accepts. Automaton has 11610 states and 32774 transitions. Word has length 45 [2021-05-21 18:39:06,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 18:39:06,022 INFO L482 AbstractCegarLoop]: Abstraction has 11610 states and 32774 transitions. [2021-05-21 18:39:06,022 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:39:06,022 INFO L276 IsEmpty]: Start isEmpty. Operand 11610 states and 32774 transitions. [2021-05-21 18:39:06,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-05-21 18:39:06,028 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:39:06,029 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] [2021-05-21 18:39:06,029 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-05-21 18:39:06,029 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:39:06,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:39:06,029 INFO L82 PathProgramCache]: Analyzing trace with hash 953376496, now seen corresponding path program 1 times [2021-05-21 18:39:06,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:39:06,030 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954461852] [2021-05-21 18:39:06,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:39:06,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:39:06,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:39:06,106 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 18:39:06,106 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954461852] [2021-05-21 18:39:06,106 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954461852] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-21 18:39:06,106 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2091072437] [2021-05-21 18:39:06,106 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 [2021-05-21 18:39:06,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:39:06,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 4 conjunts are in the unsatisfiable core [2021-05-21 18:39:06,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-21 18:39:06,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:39:06,414 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2091072437] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-21 18:39:06,414 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-21 18:39:06,414 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-05-21 18:39:06,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587278873] [2021-05-21 18:39:06,415 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-05-21 18:39:06,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 18:39:06,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-05-21 18:39:06,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-05-21 18:39:06,416 INFO L87 Difference]: Start difference. First operand 11610 states and 32774 transitions. Second operand has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:39:06,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 18:39:06,509 INFO L93 Difference]: Finished difference Result 11380 states and 32324 transitions. [2021-05-21 18:39:06,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-21 18:39:06,510 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-05-21 18:39:06,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 18:39:06,539 INFO L225 Difference]: With dead ends: 11380 [2021-05-21 18:39:06,539 INFO L226 Difference]: Without dead ends: 11380 [2021-05-21 18:39:06,539 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 30.2ms TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-05-21 18:39:06,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11380 states. [2021-05-21 18:39:07,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11380 to 11380. [2021-05-21 18:39:07,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11380 states, 11378 states have (on average 2.8409210757602392) internal successors, (32324), 11379 states have internal predecessors, (32324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:39:07,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11380 states to 11380 states and 32324 transitions. [2021-05-21 18:39:07,077 INFO L78 Accepts]: Start accepts. Automaton has 11380 states and 32324 transitions. Word has length 55 [2021-05-21 18:39:07,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 18:39:07,078 INFO L482 AbstractCegarLoop]: Abstraction has 11380 states and 32324 transitions. [2021-05-21 18:39:07,078 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:39:07,078 INFO L276 IsEmpty]: Start isEmpty. Operand 11380 states and 32324 transitions. [2021-05-21 18:39:07,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-05-21 18:39:07,080 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:39:07,080 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 18:39:07,293 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-21 18:39:07,293 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:39:07,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:39:07,294 INFO L82 PathProgramCache]: Analyzing trace with hash -2131429816, now seen corresponding path program 1 times [2021-05-21 18:39:07,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:39:07,294 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070719011] [2021-05-21 18:39:07,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:39:07,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-21 18:39:07,317 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-21 18:39:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-21 18:39:07,336 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-21 18:39:07,355 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-05-21 18:39:07,356 INFO L622 BasicCegarLoop]: Counterexample might be feasible [2021-05-21 18:39:07,358 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-05-21 18:39:07,358 WARN L242 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-05-21 18:39:07,358 INFO L478 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-05-21 18:39:07,372 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,372 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,372 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,372 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,372 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,372 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,372 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,373 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,373 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,373 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,373 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,373 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,373 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,373 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,373 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,373 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,374 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,374 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,374 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,374 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,374 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,374 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,374 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,374 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,374 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,374 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,375 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,375 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,375 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,375 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,375 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,375 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,375 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,375 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,375 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,376 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,376 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,376 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,376 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,376 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,376 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,376 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,376 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,376 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,377 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,377 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,377 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,377 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,377 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,377 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,377 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,377 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,377 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,378 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,378 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,378 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,378 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,378 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,378 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,378 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,378 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,378 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,382 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,382 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,382 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,382 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,382 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,383 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,383 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,383 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,383 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,383 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,383 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,383 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,383 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,383 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,383 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,384 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,384 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,384 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,384 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,384 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,384 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,384 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,384 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,384 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,385 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,385 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,385 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,385 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,385 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,385 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,385 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,385 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,385 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,386 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,386 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,386 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,386 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,386 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,386 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,386 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,386 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,386 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,386 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,387 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,387 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,387 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,387 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,387 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,388 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,388 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,388 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,388 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,388 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,388 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,388 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,390 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,390 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,390 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,390 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,390 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,390 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,390 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,390 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,391 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,392 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,392 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,392 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,392 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,392 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,392 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,392 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,392 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,393 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:39:07,397 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-05-21 18:39:07,397 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-05-21 18:39:07,398 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-21 18:39:07,398 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-21 18:39:07,398 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-21 18:39:07,398 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-21 18:39:07,398 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-21 18:39:07,398 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-21 18:39:07,398 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-21 18:39:07,398 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-21 18:39:07,400 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 150 places, 170 transitions, 370 flow [2021-05-21 18:45:01,989 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 461242 states, 461228 states have (on average 4.669898618470691) internal successors, (2153888), 461241 states have internal predecessors, (2153888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:45:02,725 INFO L276 IsEmpty]: Start isEmpty. Operand has 461242 states, 461228 states have (on average 4.669898618470691) internal successors, (2153888), 461241 states have internal predecessors, (2153888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:45:02,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-05-21 18:45:02,726 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:45:02,726 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] [2021-05-21 18:45:02,726 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:45:02,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:45:02,727 INFO L82 PathProgramCache]: Analyzing trace with hash 319689981, now seen corresponding path program 1 times [2021-05-21 18:45:02,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:45:02,727 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323706449] [2021-05-21 18:45:02,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:45:02,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:45:02,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:45:02,744 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 18:45:02,745 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323706449] [2021-05-21 18:45:02,745 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323706449] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 18:45:02,745 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 18:45:02,745 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-05-21 18:45:02,745 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869952086] [2021-05-21 18:45:02,745 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-05-21 18:45:02,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 18:45:02,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-05-21 18:45:02,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-05-21 18:45:03,293 INFO L87 Difference]: Start difference. First operand has 461242 states, 461228 states have (on average 4.669898618470691) internal successors, (2153888), 461241 states have internal predecessors, (2153888), 0 states have call successors, (0), 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 22.5) internal successors, (45), 2 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:45:11,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 18:45:11,064 INFO L93 Difference]: Finished difference Result 448522 states and 1689198 transitions. [2021-05-21 18:45:11,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-21 18:45:11,064 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2021-05-21 18:45:11,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 18:45:13,247 INFO L225 Difference]: With dead ends: 448522 [2021-05-21 18:45:13,247 INFO L226 Difference]: Without dead ends: 266598 [2021-05-21 18:45:13,247 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 [2021-05-21 18:45:42,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266598 states. [2021-05-21 18:45:48,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266598 to 266598. [2021-05-21 18:45:48,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266598 states, 266593 states have (on average 3.7821923306313368) internal successors, (1008306), 266597 states have internal predecessors, (1008306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:45:50,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266598 states to 266598 states and 1008306 transitions. [2021-05-21 18:45:50,797 INFO L78 Accepts]: Start accepts. Automaton has 266598 states and 1008306 transitions. Word has length 45 [2021-05-21 18:45:50,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 18:45:50,798 INFO L482 AbstractCegarLoop]: Abstraction has 266598 states and 1008306 transitions. [2021-05-21 18:45:50,798 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:45:50,798 INFO L276 IsEmpty]: Start isEmpty. Operand 266598 states and 1008306 transitions. [2021-05-21 18:45:50,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-05-21 18:45:50,799 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:45:50,799 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] [2021-05-21 18:45:50,799 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-05-21 18:45:50,799 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:45:50,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:45:50,800 INFO L82 PathProgramCache]: Analyzing trace with hash 123176476, now seen corresponding path program 1 times [2021-05-21 18:45:50,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:45:50,800 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059206960] [2021-05-21 18:45:50,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:45:50,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:45:50,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:45:50,821 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 18:45:50,821 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059206960] [2021-05-21 18:45:50,821 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059206960] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 18:45:50,821 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 18:45:50,822 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-05-21 18:45:50,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448404681] [2021-05-21 18:45:50,822 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-21 18:45:50,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 18:45:50,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-21 18:45:50,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 18:45:50,823 INFO L87 Difference]: Start difference. First operand 266598 states and 1008306 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:45:53,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 18:45:53,375 INFO L93 Difference]: Finished difference Result 266588 states and 1008296 transitions. [2021-05-21 18:45:53,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-21 18:45:53,376 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2021-05-21 18:45:53,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 18:45:54,458 INFO L225 Difference]: With dead ends: 266588 [2021-05-21 18:45:54,458 INFO L226 Difference]: Without dead ends: 266588 [2021-05-21 18:45:54,458 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 18:46:23,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266588 states. [2021-05-21 18:46:28,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266588 to 266588. [2021-05-21 18:46:29,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266588 states, 266584 states have (on average 3.782282507577349) internal successors, (1008296), 266587 states have internal predecessors, (1008296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:46:30,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266588 states to 266588 states and 1008296 transitions. [2021-05-21 18:46:30,948 INFO L78 Accepts]: Start accepts. Automaton has 266588 states and 1008296 transitions. Word has length 45 [2021-05-21 18:46:30,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 18:46:30,948 INFO L482 AbstractCegarLoop]: Abstraction has 266588 states and 1008296 transitions. [2021-05-21 18:46:30,948 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:46:30,949 INFO L276 IsEmpty]: Start isEmpty. Operand 266588 states and 1008296 transitions. [2021-05-21 18:46:30,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-05-21 18:46:30,949 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:46:30,949 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] [2021-05-21 18:46:30,949 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-05-21 18:46:30,949 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:46:30,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:46:30,950 INFO L82 PathProgramCache]: Analyzing trace with hash -1773089218, now seen corresponding path program 1 times [2021-05-21 18:46:30,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:46:30,950 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674796508] [2021-05-21 18:46:30,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:46:30,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:46:30,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:46:30,982 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 18:46:30,982 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674796508] [2021-05-21 18:46:30,982 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674796508] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-21 18:46:30,982 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108124447] [2021-05-21 18:46:30,982 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 [2021-05-21 18:46:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:46:31,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 4 conjunts are in the unsatisfiable core [2021-05-21 18:46:31,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-21 18:46:31,146 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:46:31,148 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [108124447] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-21 18:46:31,148 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-21 18:46:31,148 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-05-21 18:46:31,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751766212] [2021-05-21 18:46:31,149 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-05-21 18:46:31,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 18:46:31,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-05-21 18:46:31,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-05-21 18:46:31,150 INFO L87 Difference]: Start difference. First operand 266588 states and 1008296 transitions. Second operand has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:46:34,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 18:46:34,209 INFO L93 Difference]: Finished difference Result 266358 states and 1007846 transitions. [2021-05-21 18:46:34,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-21 18:46:34,210 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-05-21 18:46:34,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 18:46:36,118 INFO L225 Difference]: With dead ends: 266358 [2021-05-21 18:46:36,119 INFO L226 Difference]: Without dead ends: 266358 [2021-05-21 18:46:36,119 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 36.2ms TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-05-21 18:47:07,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266358 states. [2021-05-21 18:47:11,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266358 to 266358. [2021-05-21 18:47:12,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266358 states, 266355 states have (on average 3.7838448686902817) internal successors, (1007846), 266357 states have internal predecessors, (1007846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:47:14,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266358 states to 266358 states and 1007846 transitions. [2021-05-21 18:47:14,107 INFO L78 Accepts]: Start accepts. Automaton has 266358 states and 1007846 transitions. Word has length 55 [2021-05-21 18:47:14,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 18:47:14,107 INFO L482 AbstractCegarLoop]: Abstraction has 266358 states and 1007846 transitions. [2021-05-21 18:47:14,107 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:47:14,107 INFO L276 IsEmpty]: Start isEmpty. Operand 266358 states and 1007846 transitions. [2021-05-21 18:47:14,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-05-21 18:47:14,110 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:47:14,110 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] [2021-05-21 18:47:14,315 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-21 18:47:14,315 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:47:14,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:47:14,315 INFO L82 PathProgramCache]: Analyzing trace with hash 2084680127, now seen corresponding path program 1 times [2021-05-21 18:47:14,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:47:14,316 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957428961] [2021-05-21 18:47:14,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:47:14,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:47:14,400 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-05-21 18:47:14,401 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 18:47:14,401 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957428961] [2021-05-21 18:47:14,401 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957428961] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 18:47:14,401 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 18:47:14,401 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-05-21 18:47:14,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448908385] [2021-05-21 18:47:14,402 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-05-21 18:47:14,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 18:47:14,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-05-21 18:47:14,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-05-21 18:47:14,403 INFO L87 Difference]: Start difference. First operand 266358 states and 1007846 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:47:17,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 18:47:17,479 INFO L93 Difference]: Finished difference Result 301566 states and 1130392 transitions. [2021-05-21 18:47:17,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-21 18:47:17,479 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2021-05-21 18:47:17,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 18:47:18,489 INFO L225 Difference]: With dead ends: 301566 [2021-05-21 18:47:18,489 INFO L226 Difference]: Without dead ends: 263478 [2021-05-21 18:47:18,490 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 22.4ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-05-21 18:47:47,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263478 states. [2021-05-21 18:47:52,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263478 to 263478. [2021-05-21 18:47:52,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263478 states, 263475 states have (on average 3.782696650536104) internal successors, (996646), 263477 states have internal predecessors, (996646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:47:54,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263478 states to 263478 states and 996646 transitions. [2021-05-21 18:47:54,741 INFO L78 Accepts]: Start accepts. Automaton has 263478 states and 996646 transitions. Word has length 65 [2021-05-21 18:47:54,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 18:47:54,743 INFO L482 AbstractCegarLoop]: Abstraction has 263478 states and 996646 transitions. [2021-05-21 18:47:54,743 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:47:54,743 INFO L276 IsEmpty]: Start isEmpty. Operand 263478 states and 996646 transitions. [2021-05-21 18:47:54,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-05-21 18:47:54,754 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:47:54,754 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 18:47:54,754 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-05-21 18:47:54,754 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:47:54,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:47:54,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1752744700, now seen corresponding path program 1 times [2021-05-21 18:47:54,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:47:54,755 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638281802] [2021-05-21 18:47:54,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:47:54,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-21 18:47:54,768 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-21 18:47:54,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-21 18:47:54,779 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-21 18:47:54,788 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-05-21 18:47:54,788 INFO L622 BasicCegarLoop]: Counterexample might be feasible [2021-05-21 18:47:54,788 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-05-21 18:47:54,788 WARN L242 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-05-21 18:47:54,789 INFO L478 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-05-21 18:47:54,798 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,799 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,799 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,799 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,799 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,799 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,799 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,799 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,799 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,799 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,799 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,799 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,799 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,799 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,800 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,800 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,800 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,800 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,800 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,800 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,800 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,800 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,800 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,800 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,800 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,800 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,801 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,801 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,801 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,801 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,801 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,801 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,801 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,801 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,801 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,801 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,801 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,801 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,802 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,802 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,802 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,802 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,802 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,802 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,802 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,802 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,802 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,802 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,802 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,802 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,803 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,803 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,803 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,803 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,803 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,803 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,803 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,803 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,803 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,803 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,803 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,803 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,804 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,804 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,804 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,804 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,804 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,804 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,804 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,804 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,804 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,804 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,805 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,805 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,805 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,805 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,805 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,805 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,805 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,805 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,805 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,805 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,805 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,805 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,805 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,805 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,806 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,806 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,806 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,806 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,806 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,806 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,806 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,806 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,806 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,806 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,806 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,806 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,807 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,807 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,807 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,807 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,807 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,807 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,807 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,807 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,807 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,807 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,808 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,808 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,808 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,808 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,808 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,808 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,808 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,808 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,808 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,808 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,808 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,808 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,808 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,809 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,809 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,809 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,809 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,809 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,809 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,809 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,809 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,809 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,809 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,809 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,809 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,809 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,810 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,810 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,810 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,810 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,810 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,810 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,810 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,810 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,810 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,810 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,811 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,811 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,811 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,811 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,811 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,811 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,811 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,811 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,812 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,813 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,813 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,813 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,813 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,813 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,813 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,814 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,814 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,814 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,815 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,815 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,815 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,815 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,815 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,815 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,815 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,815 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,815 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,816 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,816 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,817 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,817 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,817 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,817 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,817 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,817 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,817 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:47:54,821 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-05-21 18:47:54,822 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-05-21 18:47:54,823 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-21 18:47:54,823 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-21 18:47:54,823 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-21 18:47:54,823 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-21 18:47:54,823 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-21 18:47:54,823 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-21 18:47:54,823 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-21 18:47:54,823 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-21 18:47:54,825 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 175 places, 200 transitions, 444 flow Received shutdown request... [2021-05-21 18:52:34,863 WARN L547 AbstractCegarLoop]: Verification canceled [2021-05-21 18:52:34,864 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 4 thread instances [2021-05-21 18:52:34,866 WARN L196 ceAbstractionStarter]: Timeout [2021-05-21 18:52:34,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.05 06:52:34 BasicIcfg [2021-05-21 18:52:34,867 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-21 18:52:34,870 INFO L168 Benchmark]: Toolchain (without parser) took 813532.95 ms. Allocated memory was 346.0 MB in the beginning and 15.6 GB in the end (delta: 15.2 GB). Free memory was 308.7 MB in the beginning and 14.0 GB in the end (delta: -13.7 GB). Peak memory consumption was 8.5 GB. Max. memory is 16.0 GB. [2021-05-21 18:52:34,870 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 346.0 MB. Free memory was 326.8 MB in the beginning and 326.7 MB in the end (delta: 136.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-05-21 18:52:34,870 INFO L168 Benchmark]: CACSL2BoogieTranslator took 472.22 ms. Allocated memory is still 346.0 MB. Free memory was 308.5 MB in the beginning and 308.9 MB in the end (delta: -470.6 kB). Peak memory consumption was 7.2 MB. Max. memory is 16.0 GB. [2021-05-21 18:52:34,870 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.58 ms. Allocated memory is still 346.0 MB. Free memory was 308.9 MB in the beginning and 306.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-05-21 18:52:34,870 INFO L168 Benchmark]: Boogie Preprocessor took 21.79 ms. Allocated memory is still 346.0 MB. Free memory was 306.8 MB in the beginning and 304.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-05-21 18:52:34,870 INFO L168 Benchmark]: RCFGBuilder took 406.52 ms. Allocated memory is still 346.0 MB. Free memory was 304.7 MB in the beginning and 275.4 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. [2021-05-21 18:52:34,870 INFO L168 Benchmark]: TraceAbstraction took 812582.72 ms. Allocated memory was 346.0 MB in the beginning and 15.6 GB in the end (delta: 15.2 GB). Free memory was 274.3 MB in the beginning and 14.0 GB in the end (delta: -13.7 GB). Peak memory consumption was 8.5 GB. Max. memory is 16.0 GB. [2021-05-21 18:52:34,871 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 346.0 MB. Free memory was 326.8 MB in the beginning and 326.7 MB in the end (delta: 136.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 472.22 ms. Allocated memory is still 346.0 MB. Free memory was 308.5 MB in the beginning and 308.9 MB in the end (delta: -470.6 kB). Peak memory consumption was 7.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 34.58 ms. Allocated memory is still 346.0 MB. Free memory was 308.9 MB in the beginning and 306.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 21.79 ms. Allocated memory is still 346.0 MB. Free memory was 306.8 MB in the beginning and 304.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 406.52 ms. Allocated memory is still 346.0 MB. Free memory was 304.7 MB in the beginning and 275.4 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 812582.72 ms. Allocated memory was 346.0 MB in the beginning and 15.6 GB in the end (delta: 15.2 GB). Free memory was 274.3 MB in the beginning and 14.0 GB in the end (delta: -13.7 GB). Peak memory consumption was 8.5 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 175 places, 200 transitions, 444 flow. Already constructed 515199 states. Currently 94790 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 121 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 672.1ms, OverallIterations: 2, TraceHistogramMax: 2, EmptinessCheckTime: 11.4ms, AutomataDifference: 108.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 51.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 95 SDtfs, 30 SDslu, 88 SDs, 0 SdLazy, 8 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=874occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 66.8ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 15.0ms SsaConstructionTime, 105.2ms SatisfiabilityAnalysisTime, 122.8ms InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 46 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 with 2 thread instances CFG has 4 procedures, 144 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4282.0ms, OverallIterations: 4, TraceHistogramMax: 3, EmptinessCheckTime: 105.5ms, AutomataDifference: 685.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1190.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 343 SDtfs, 245 SDslu, 379 SDs, 0 SdLazy, 30 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 24.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 32.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=19757occurred 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: 1519.6ms AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 27.0ms SsaConstructionTime, 79.1ms SatisfiabilityAnalysisTime, 309.6ms InterpolantComputationTime, 260 NumberOfCodeBlocks, 260 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 196 ConstructedInterpolants, 0 QuantifiedInterpolants, 242 SizeOfPredicates, 2 NumberOfNonLiveVariables, 147 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 3 thread instances CFG has 5 procedures, 167 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 527390.7ms, OverallIterations: 5, TraceHistogramMax: 4, EmptinessCheckTime: 751.2ms, AutomataDifference: 23195.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 354590.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 660 SDtfs, 411 SDslu, 1093 SDs, 0 SdLazy, 101 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 84.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 60.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=461242occurred in iteration=0, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 148278.0ms AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 17.9ms SsaConstructionTime, 45.5ms SatisfiabilityAnalysisTime, 207.8ms InterpolantComputationTime, 335 NumberOfCodeBlocks, 335 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 260 ConstructedInterpolants, 0 QuantifiedInterpolants, 409 SizeOfPredicates, 2 NumberOfNonLiveVariables, 147 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 12/14 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 4 thread instances CFG has 6 procedures, 190 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 280040.4ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 280039.6ms, 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown