/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 23:48:54,525 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 23:48:54,527 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 23:48:54,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 23:48:54,579 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 23:48:54,580 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 23:48:54,580 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 23:48:54,581 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-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random7777.epf [2021-07-14 23:48:54,613 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 23:48:54,614 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 23:48:54,615 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 23:48:54,615 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 23:48:54,617 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 23:48:54,617 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 23:48:54,617 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 23:48:54,618 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 23:48:54,618 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 23:48:54,618 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 23:48:54,619 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 23:48:54,619 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 23:48:54,619 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 23:48:54,619 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 23:48:54,619 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 23:48:54,620 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 23:48:54,620 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 23:48:54,620 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 23:48:54,620 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 23:48:54,620 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 23:48:54,620 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 23:48:54,620 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 23:48:54,621 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 23:48:54,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 23:48:54,621 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 23:48:54,621 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 23:48:54,621 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 23:48:54,621 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 23:48:54,622 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-14 23:48:54,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 23:48:54,622 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 23:48:54,622 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 23:48:54,622 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 23:48:54,622 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 23:48:54,623 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-14 23:48:54,623 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 23:48:54,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 23:48:54,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 23:48:54,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 23:48:54,987 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-14 23:48:54,988 INFO L275 PluginConnector]: CDTParser initialized [2021-07-14 23:48:54,989 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i [2021-07-14 23:48:55,049 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4659c09cc/6f87620af2ee424a81d737a7eef271d3/FLAG33997f165 [2021-07-14 23:48:55,515 INFO L306 CDTParser]: Found 1 translation units. [2021-07-14 23:48:55,519 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i [2021-07-14 23:48:55,540 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4659c09cc/6f87620af2ee424a81d737a7eef271d3/FLAG33997f165 [2021-07-14 23:48:55,883 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4659c09cc/6f87620af2ee424a81d737a7eef271d3 [2021-07-14 23:48:55,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 23:48:55,888 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-14 23:48:55,890 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-14 23:48:55,890 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-14 23:48:55,894 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-14 23:48:55,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 11:48:55" (1/1) ... [2021-07-14 23:48:55,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e990796 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 11:48:55, skipping insertion in model container [2021-07-14 23:48:55,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 11:48:55" (1/1) ... [2021-07-14 23:48:55,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-14 23:48:55,953 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-14 23:48:56,248 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_45-escape_racing.i[29913,29926] [2021-07-14 23:48:56,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 23:48:56,285 INFO L203 MainTranslator]: Completed pre-run [2021-07-14 23:48:56,326 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_45-escape_racing.i[29913,29926] [2021-07-14 23:48:56,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 23:48:56,384 INFO L208 MainTranslator]: Completed translation [2021-07-14 23:48:56,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 11:48:56 WrapperNode [2021-07-14 23:48:56,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-14 23:48:56,385 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 23:48:56,385 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 23:48:56,385 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 23:48:56,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 11:48:56" (1/1) ... [2021-07-14 23:48:56,418 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 11:48:56" (1/1) ... [2021-07-14 23:48:56,444 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 23:48:56,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 23:48:56,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 23:48:56,445 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 23:48:56,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 11:48:56" (1/1) ... [2021-07-14 23:48:56,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 11:48:56" (1/1) ... [2021-07-14 23:48:56,459 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 11:48:56" (1/1) ... [2021-07-14 23:48:56,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 11:48:56" (1/1) ... [2021-07-14 23:48:56,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 11:48:56" (1/1) ... [2021-07-14 23:48:56,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 11:48:56" (1/1) ... [2021-07-14 23:48:56,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 11:48:56" (1/1) ... [2021-07-14 23:48:56,481 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 23:48:56,482 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 23:48:56,482 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 23:48:56,482 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 23:48:56,483 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 11:48:56" (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 [2021-07-14 23:48:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-14 23:48:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-14 23:48:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-07-14 23:48:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-14 23:48:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-07-14 23:48:56,562 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-07-14 23:48:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-14 23:48:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-14 23:48:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 23:48:56,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 23:48:56,563 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 23:48:56,890 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 23:48:56,891 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-07-14 23:48:56,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 11:48:56 BoogieIcfgContainer [2021-07-14 23:48:56,892 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 23:48:56,894 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 23:48:56,894 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 23:48:56,896 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 23:48:56,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 11:48:55" (1/3) ... [2021-07-14 23:48:56,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d042eec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 11:48:56, skipping insertion in model container [2021-07-14 23:48:56,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 11:48:56" (2/3) ... [2021-07-14 23:48:56,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d042eec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 11:48:56, skipping insertion in model container [2021-07-14 23:48:56,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 11:48:56" (3/3) ... [2021-07-14 23:48:56,901 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_45-escape_racing.i [2021-07-14 23:48:56,905 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 23:48:56,906 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 23:48:56,906 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 23:48:56,906 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 23:48:56,929 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,929 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,930 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,930 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,930 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,930 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,930 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,930 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,931 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,931 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,931 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,931 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,931 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,931 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,932 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,932 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,932 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,932 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,932 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,933 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,933 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,933 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,933 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,934 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,934 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,934 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,934 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,934 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,934 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,935 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,935 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,935 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,935 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,935 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,935 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,936 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,936 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,936 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,936 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,936 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,936 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,936 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,937 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,937 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,937 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,937 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,937 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,937 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,937 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,938 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,938 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,938 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,938 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,938 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,938 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,938 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,939 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,939 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,939 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,939 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,939 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,939 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,939 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,940 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,940 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,940 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,940 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,940 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,940 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,941 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,941 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,941 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,943 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,943 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,943 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,943 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,943 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,944 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,944 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,944 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,944 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,944 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,944 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,944 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,945 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:48:56,951 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-07-14 23:48:56,969 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 23:48:57,019 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 23:48:57,020 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 23:48:57,020 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 23:48:57,021 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 23:48:57,021 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 23:48:57,022 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 23:48:57,023 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 23:48:57,025 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 23:48:57,306 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 23:48:57,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:48:57,313 INFO L82 PathProgramCache]: Analyzing trace with hash -2112047270, now seen corresponding path program 1 times [2021-07-14 23:48:57,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:48:57,320 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848522037] [2021-07-14 23:48:57,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:48:57,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:48:57,600 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-07-14 23:48:57,601 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:48:57,601 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848522037] [2021-07-14 23:48:57,602 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848522037] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 23:48:57,602 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 23:48:57,602 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 23:48:57,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795201241] [2021-07-14 23:48:57,606 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 23:48:57,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 23:48:57,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 23:48:57,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 23:48:57,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:48:57,617 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 23:48:57,618 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 23:48:57,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:48:57,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:48:57,670 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 23:48:57,670 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 23:48:57,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:48:57,671 INFO L82 PathProgramCache]: Analyzing trace with hash 1910487924, now seen corresponding path program 1 times [2021-07-14 23:48:57,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:48:57,671 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786601623] [2021-07-14 23:48:57,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:48:57,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:48:57,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 23:48:57,853 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:48:57,853 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786601623] [2021-07-14 23:48:57,853 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786601623] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 23:48:57,853 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 23:48:57,853 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-07-14 23:48:57,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031929403] [2021-07-14 23:48:57,855 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 23:48:57,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 23:48:57,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 23:48:57,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-07-14 23:48:57,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:48:57,857 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 23:48:57,858 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 23:48:57,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:48:57,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:48:58,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:48:58,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 23:48:58,154 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 23:48:58,154 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 23:48:58,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:48:58,162 INFO L82 PathProgramCache]: Analyzing trace with hash 906127489, now seen corresponding path program 1 times [2021-07-14 23:48:58,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:48:58,162 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989624864] [2021-07-14 23:48:58,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:48:58,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:48:58,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 23:48:58,494 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:48:58,494 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989624864] [2021-07-14 23:48:58,495 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989624864] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 23:48:58,495 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 23:48:58,495 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-07-14 23:48:58,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011972801] [2021-07-14 23:48:58,495 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 23:48:58,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 23:48:58,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 23:48:58,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2021-07-14 23:48:58,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:48:58,497 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 23:48:58,497 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 4.235294117647059) internal successors, (72), 17 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 23:48:58,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:48:58,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 23:48:58,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:48:59,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:48:59,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 23:48:59,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 23:48:59,691 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 23:48:59,691 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 23:48:59,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:48:59,692 INFO L82 PathProgramCache]: Analyzing trace with hash 681466400, now seen corresponding path program 1 times [2021-07-14 23:48:59,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:48:59,692 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77105849] [2021-07-14 23:48:59,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:48:59,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-14 23:48:59,711 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-14 23:48:59,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-14 23:48:59,727 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-14 23:48:59,752 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-14 23:48:59,752 INFO L609 BasicCegarLoop]: Counterexample might be feasible [2021-07-14 23:48:59,752 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-14 23:48:59,761 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 23:48:59,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 11:48:59 BasicIcfg [2021-07-14 23:48:59,804 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 23:48:59,805 INFO L168 Benchmark]: Toolchain (without parser) took 3917.41 ms. Allocated memory was 184.5 MB in the beginning and 222.3 MB in the end (delta: 37.7 MB). Free memory was 146.5 MB in the beginning and 117.4 MB in the end (delta: 29.1 MB). Peak memory consumption was 67.3 MB. Max. memory is 8.0 GB. [2021-07-14 23:48:59,806 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 184.5 MB. Free memory is still 164.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 23:48:59,806 INFO L168 Benchmark]: CACSL2BoogieTranslator took 494.39 ms. Allocated memory is still 184.5 MB. Free memory was 146.3 MB in the beginning and 158.7 MB in the end (delta: -12.5 MB). Peak memory consumption was 6.9 MB. Max. memory is 8.0 GB. [2021-07-14 23:48:59,806 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.14 ms. Allocated memory is still 184.5 MB. Free memory was 158.7 MB in the beginning and 156.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 23:48:59,807 INFO L168 Benchmark]: Boogie Preprocessor took 36.67 ms. Allocated memory is still 184.5 MB. Free memory was 156.6 MB in the beginning and 155.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 23:48:59,807 INFO L168 Benchmark]: RCFGBuilder took 410.19 ms. Allocated memory is still 184.5 MB. Free memory was 155.1 MB in the beginning and 128.8 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2021-07-14 23:48:59,808 INFO L168 Benchmark]: TraceAbstraction took 2910.58 ms. Allocated memory was 184.5 MB in the beginning and 222.3 MB in the end (delta: 37.7 MB). Free memory was 128.3 MB in the beginning and 117.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 49.7 MB. Max. memory is 8.0 GB. [2021-07-14 23:48:59,810 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 184.5 MB. Free memory is still 164.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 494.39 ms. Allocated memory is still 184.5 MB. Free memory was 146.3 MB in the beginning and 158.7 MB in the end (delta: -12.5 MB). Peak memory consumption was 6.9 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 59.14 ms. Allocated memory is still 184.5 MB. Free memory was 158.7 MB in the beginning and 156.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 36.67 ms. Allocated memory is still 184.5 MB. Free memory was 156.6 MB in the beginning and 155.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 410.19 ms. Allocated memory is still 184.5 MB. Free memory was 155.1 MB in the beginning and 128.8 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2910.58 ms. Allocated memory was 184.5 MB in the beginning and 222.3 MB in the end (delta: 37.7 MB). Free memory was 128.3 MB in the beginning and 117.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 49.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3678, positive: 3541, positive conditional: 326, positive unconditional: 3215, negative: 137, negative conditional: 75, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 3614, positive: 3541, positive conditional: 326, positive unconditional: 3215, negative: 73, negative conditional: 11, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 3614, positive: 3541, positive conditional: 0, positive unconditional: 3541, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1097, positive: 1077, positive conditional: 0, positive unconditional: 1077, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1097, positive: 1061, positive conditional: 0, positive unconditional: 1061, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 36, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 24, negative conditional: 4, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 193, positive: 119, positive conditional: 0, positive unconditional: 119, negative: 73, negative conditional: 14, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3614, positive: 2464, positive conditional: 0, positive unconditional: 2464, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 1097, unknown conditional: 0, unknown unconditional: 1097] , Statistics on independence cache: Total cache size (in pairs): 1101, Positive cache size: 1077, Positive conditional cache size: 0, Positive unconditional cache size: 1077, Negative cache size: 24, Negative conditional cache size: 4, Negative unconditional cache size: 20, SemanticConditionEliminator.Independence Queries: [ total: 89, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 89, negative conditional: 8, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 89, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 89, negative conditional: 8, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 24, negative conditional: 4, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 193, positive: 119, positive conditional: 0, positive unconditional: 119, negative: 73, negative conditional: 14, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 89, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 85, negative conditional: 4, negative unconditional: 81, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1101, Positive cache size: 1077, Positive conditional cache size: 0, Positive unconditional cache size: 1077, Negative cache size: 24, Negative conditional cache size: 4, Negative unconditional cache size: 20, Eliminated conditions: 16, SemanticConditionEliminator.Independence Queries: [ total: 89, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 89, negative conditional: 8, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 89, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 89, negative conditional: 8, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 24, negative conditional: 4, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 193, positive: 119, positive conditional: 0, positive unconditional: 119, negative: 73, negative conditional: 14, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 89, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 85, negative conditional: 4, negative unconditional: 81, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1101, Positive cache size: 1077, Positive conditional cache size: 0, Positive unconditional cache size: 1077, Negative cache size: 24, Negative conditional cache size: 4, Negative unconditional cache size: 20, Eliminated conditions: 16, SemanticConditionEliminator.Independence Queries: [ total: 89, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 89, negative conditional: 8, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 89, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 89, negative conditional: 8, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 24, negative conditional: 4, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 193, positive: 119, positive conditional: 0, positive unconditional: 119, negative: 73, negative conditional: 14, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 89, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 85, negative conditional: 4, negative unconditional: 81, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1101, Positive cache size: 1077, Positive conditional cache size: 0, Positive unconditional cache size: 1077, Negative cache size: 24, Negative conditional cache size: 4, Negative unconditional cache size: 20, Eliminated conditions: 16 ], Maximal queried relation: 3, Independence queries for same thread: 64 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 261, Number of persistent set computation: 170, Number of trivial persistent sets: 135, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3678, positive: 3541, positive conditional: 326, positive unconditional: 3215, negative: 137, negative conditional: 75, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 3614, positive: 3541, positive conditional: 326, positive unconditional: 3215, negative: 73, negative conditional: 11, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 3614, positive: 3541, positive conditional: 0, positive unconditional: 3541, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1097, positive: 1077, positive conditional: 0, positive unconditional: 1077, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1097, positive: 1061, positive conditional: 0, positive unconditional: 1061, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 36, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 24, negative conditional: 4, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 193, positive: 119, positive conditional: 0, positive unconditional: 119, negative: 73, negative conditional: 14, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3614, positive: 2464, positive conditional: 0, positive unconditional: 2464, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 1097, unknown conditional: 0, unknown unconditional: 1097] , Statistics on independence cache: Total cache size (in pairs): 1101, Positive cache size: 1077, Positive conditional cache size: 0, Positive unconditional cache size: 1077, Negative cache size: 24, Negative conditional cache size: 4, Negative unconditional cache size: 20, SemanticConditionEliminator.Independence Queries: [ total: 89, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 89, negative conditional: 8, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 89, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 89, negative conditional: 8, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 24, negative conditional: 4, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 193, positive: 119, positive conditional: 0, positive unconditional: 119, negative: 73, negative conditional: 14, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 89, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 85, negative conditional: 4, negative unconditional: 81, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1101, Positive cache size: 1077, Positive conditional cache size: 0, Positive unconditional cache size: 1077, Negative cache size: 24, Negative conditional cache size: 4, Negative unconditional cache size: 20, Eliminated conditions: 16, SemanticConditionEliminator.Independence Queries: [ total: 89, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 89, negative conditional: 8, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 89, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 89, negative conditional: 8, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 24, negative conditional: 4, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 193, positive: 119, positive conditional: 0, positive unconditional: 119, negative: 73, negative conditional: 14, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 89, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 85, negative conditional: 4, negative unconditional: 81, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1101, Positive cache size: 1077, Positive conditional cache size: 0, Positive unconditional cache size: 1077, Negative cache size: 24, Negative conditional cache size: 4, Negative unconditional cache size: 20, Eliminated conditions: 16, SemanticConditionEliminator.Independence Queries: [ total: 89, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 89, negative conditional: 8, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 89, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 89, negative conditional: 8, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 24, negative conditional: 4, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 193, positive: 119, positive conditional: 0, positive unconditional: 119, negative: 73, negative conditional: 14, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 89, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 85, negative conditional: 4, negative unconditional: 81, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1101, Positive cache size: 1077, Positive conditional cache size: 0, Positive unconditional cache size: 1077, Negative cache size: 24, Negative conditional cache size: 4, Negative unconditional cache size: 20, Eliminated conditions: 16 ], Maximal queried relation: 3, Independence queries for same thread: 64 - CounterExampleResult [Line: 684]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L689] 0 pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [__global_lock={7:0}] [L690] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [__global_lock={7:0}, mutex1={9:0}] [L691] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [__global_lock={7:0}, mutex1={9:0}, mutex2={10:0}] [L700] 0 pthread_t id; VAL [__global_lock={7:0}, mutex1={9:0}, mutex2={10:0}] [L701] 0 int i = 0; VAL [__global_lock={7:0}, mutex1={9:0}, mutex2={10:0}] [L702] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, (void *) &i) VAL [__global_lock={7:0}, arg={3:0}, mutex1={9:0}, mutex2={10:0}] [L693] 1 int *p = (int *) arg; VAL [__global_lock={7:0}, arg={3:0}, arg={3:0}, mutex1={9:0}, mutex2={10:0}, p={3:0}] [L695] EXPR 1 \read(*p) VAL [\read(*p)=0, __global_lock={7:0}, arg={3:0}, arg={3:0}, mutex1={9:0}, mutex2={10:0}, p={3:0}] [L695] 1 (*p)++ VAL [\read(*p)=0, __global_lock={7:0}, arg={3:0}, arg={3:0}, mutex1={9:0}, mutex2={10:0}, p={3:0}] [L704] 0 \read(i) VAL [__global_lock={7:0}, arg={3:0}, arg={3:0}, mutex1={9:0}, mutex2={10:0}, p={3:0}] [L684] COND TRUE 0 !(cond) VAL [__global_lock={7:0}, arg={3:0}, arg={3:0}, mutex1={9:0}, mutex2={10:0}, p={3:0}] [L684] 0 reach_error() VAL [__global_lock={7:0}, arg={3:0}, arg={3:0}, mutex1={9:0}, mutex2={10:0}, p={3:0}] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 120 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2777.7ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.5ms, PartialOrderReductionTime: 1806.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 44, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 16.2ms SsaConstructionTime, 129.8ms SatisfiabilityAnalysisTime, 578.7ms InterpolantComputationTime, 276 NumberOfCodeBlocks, 276 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 213 ConstructedInterpolants, 0 QuantifiedInterpolants, 745 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 24/24 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...