/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-POR-NewStatesSleepUncond-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9b7772ad7705253c1305067fc38dc9bc7271fbe3-9b7772a [2021-04-15 12:46:40,085 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-15 12:46:40,087 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-15 12:46:40,119 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-04-15 12:46:40,166 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-15 12:46:40,166 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-15 12:46:40,167 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-15 12:46:40,173 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-NewStatesSleepUncond-NoLbe.epf [2021-04-15 12:46:40,199 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-15 12:46:40,199 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-15 12:46:40,199 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-04-15 12:46:40,200 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-04-15 12:46:40,202 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-15 12:46:40,202 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-15 12:46:40,202 INFO L138 SettingsManager]: * Use SBE=true [2021-04-15 12:46:40,203 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-15 12:46:40,203 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-15 12:46:40,203 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-15 12:46:40,203 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-15 12:46:40,203 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-15 12:46:40,203 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-15 12:46:40,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-15 12:46:40,203 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-15 12:46:40,203 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-15 12:46:40,204 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-15 12:46:40,204 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-15 12:46:40,204 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-15 12:46:40,204 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-15 12:46:40,204 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-15 12:46:40,204 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-15 12:46:40,204 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-15 12:46:40,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-15 12:46:40,205 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-15 12:46:40,205 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-15 12:46:40,205 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-15 12:46:40,205 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-15 12:46:40,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-15 12:46:40,205 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-04-15 12:46:40,205 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-04-15 12:46:40,206 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-04-15 12:46:40,206 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-04-15 12:46:40,206 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-15 12:46:40,206 INFO L138 SettingsManager]: * Use conditional POR in concurrent analysis=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-15 12:46:40,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-15 12:46:40,515 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-15 12:46:40,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-15 12:46:40,517 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-15 12:46:40,518 INFO L275 PluginConnector]: CDTParser initialized [2021-04-15 12:46:40,519 INFO L432 ainManager$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 [2021-04-15 12:46:40,592 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f79b61182/1cf13916e4de481cb07ce7a5da8fa069/FLAG2e6f76aad [2021-04-15 12:46:41,139 INFO L306 CDTParser]: Found 1 translation units. [2021-04-15 12:46:41,139 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i [2021-04-15 12:46:41,146 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f79b61182/1cf13916e4de481cb07ce7a5da8fa069/FLAG2e6f76aad [2021-04-15 12:46:41,587 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f79b61182/1cf13916e4de481cb07ce7a5da8fa069 [2021-04-15 12:46:41,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-15 12:46:41,590 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-15 12:46:41,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-15 12:46:41,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-15 12:46:41,597 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-15 12:46:41,598 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 12:46:41" (1/1) ... [2021-04-15 12:46:41,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62a3f751 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 12:46:41, skipping insertion in model container [2021-04-15 12:46:41,602 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 12:46:41" (1/1) ... [2021-04-15 12:46:41,607 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-15 12:46:41,647 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-15 12:46:41,859 WARN L226 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] [2021-04-15 12:46:41,871 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-15 12:46:41,879 INFO L203 MainTranslator]: Completed pre-run [2021-04-15 12:46:41,900 WARN L226 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] [2021-04-15 12:46:41,904 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-15 12:46:41,967 INFO L208 MainTranslator]: Completed translation [2021-04-15 12:46:41,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 12:46:41 WrapperNode [2021-04-15 12:46:41,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-15 12:46:41,968 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-15 12:46:41,968 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-15 12:46:41,968 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-15 12:46:41,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 12:46:41" (1/1) ... [2021-04-15 12:46:41,997 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 12:46:41" (1/1) ... [2021-04-15 12:46:42,011 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-15 12:46:42,012 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-15 12:46:42,012 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-15 12:46:42,012 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-15 12:46:42,017 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 12:46:41" (1/1) ... [2021-04-15 12:46:42,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 12:46:41" (1/1) ... [2021-04-15 12:46:42,019 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 12:46:41" (1/1) ... [2021-04-15 12:46:42,019 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 12:46:41" (1/1) ... [2021-04-15 12:46:42,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 12:46:41" (1/1) ... [2021-04-15 12:46:42,025 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 12:46:41" (1/1) ... [2021-04-15 12:46:42,026 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 12:46:41" (1/1) ... [2021-04-15 12:46:42,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-15 12:46:42,028 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-15 12:46:42,028 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-15 12:46:42,028 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-15 12:46:42,029 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 12:46:41" (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 [2021-04-15 12:46:42,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-04-15 12:46:42,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-15 12:46:42,110 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-04-15 12:46:42,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-15 12:46:42,110 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-04-15 12:46:42,110 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-04-15 12:46:42,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-15 12:46:42,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-15 12:46:42,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-15 12:46:42,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-15 12:46:42,112 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-15 12:46:42,493 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-15 12:46:42,493 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-04-15 12:46:42,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 12:46:42 BoogieIcfgContainer [2021-04-15 12:46:42,495 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-15 12:46:42,496 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-15 12:46:42,496 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-15 12:46:42,499 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-15 12:46:42,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.04 12:46:41" (1/3) ... [2021-04-15 12:46:42,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cca0d6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 12:46:42, skipping insertion in model container [2021-04-15 12:46:42,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 12:46:41" (2/3) ... [2021-04-15 12:46:42,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cca0d6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 12:46:42, skipping insertion in model container [2021-04-15 12:46:42,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 12:46:42" (3/3) ... [2021-04-15 12:46:42,502 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_45-escape_racing.i [2021-04-15 12:46:42,506 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-04-15 12:46:42,506 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-15 12:46:42,509 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-15 12:46:42,510 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-15 12:46:42,534 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,535 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,535 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,535 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,535 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,535 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,535 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,535 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,535 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,535 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,536 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,536 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,536 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,536 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,536 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,537 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,537 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,537 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,537 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,537 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,538 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,538 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,538 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,538 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,539 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,539 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,539 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,539 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,539 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,539 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,539 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,540 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,540 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,540 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,540 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,540 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,541 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,541 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,541 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,541 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,541 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,543 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,543 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,544 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,544 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,544 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,544 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,544 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,544 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,544 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,544 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,545 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,545 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,545 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,545 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,545 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,545 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,545 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,545 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,546 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,546 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,546 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,546 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,546 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,546 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,546 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,546 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,547 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,547 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,547 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,547 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,547 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,549 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,549 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,550 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,550 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,550 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,550 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,550 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,550 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,550 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,551 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,551 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,551 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,551 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:46:42,559 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-04-15 12:46:42,572 INFO L253 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 [2021-04-15 12:46:42,637 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-15 12:46:42,637 INFO L377 AbstractCegarLoop]: Hoare is true [2021-04-15 12:46:42,637 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-15 12:46:42,637 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-15 12:46:42,638 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-15 12:46:42,638 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-15 12:46:42,638 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-15 12:46:42,638 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-15 12:46:42,674 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 12:46:42,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 12:46:42,679 INFO L82 PathProgramCache]: Analyzing trace with hash 306298281, now seen corresponding path program 1 times [2021-04-15 12:46:42,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 12:46:42,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501242222] [2021-04-15 12:46:42,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 12:46:42,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 12:46:43,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 12:46:43,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501242222] [2021-04-15 12:46:43,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 12:46:43,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-15 12:46:43,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397419422] [2021-04-15 12:46:43,013 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-15 12:46:43,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 12:46:43,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-15 12:46:43,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-04-15 12:46:43,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 12:46:43,027 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 12:46:43,029 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 12:46:43,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 12:46:43,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-15 12:46:43,582 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-15 12:46:43,582 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 12:46:43,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 12:46:43,585 INFO L82 PathProgramCache]: Analyzing trace with hash -540837741, now seen corresponding path program 1 times [2021-04-15 12:46:43,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 12:46:43,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572388970] [2021-04-15 12:46:43,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 12:46:43,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 12:46:43,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 12:46:43,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572388970] [2021-04-15 12:46:43,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 12:46:43,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-15 12:46:43,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382477545] [2021-04-15 12:46:43,714 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-15 12:46:43,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 12:46:43,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-15 12:46:43,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-15 12:46:43,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 12:46:43,715 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 12:46:43,715 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 12:46:43,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-04-15 12:46:43,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 12:46:43,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-15 12:46:43,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 12:46:43,840 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-15 12:46:43,840 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 12:46:43,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 12:46:43,840 INFO L82 PathProgramCache]: Analyzing trace with hash 718086019, now seen corresponding path program 1 times [2021-04-15 12:46:43,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 12:46:43,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391793137] [2021-04-15 12:46:43,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 12:46:43,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-15 12:46:43,885 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-15 12:46:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-15 12:46:43,923 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-15 12:46:43,947 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-15 12:46:43,947 INFO L652 BasicCegarLoop]: Counterexample might be feasible [2021-04-15 12:46:43,948 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-15 12:46:43,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.04 12:46:43 BasicIcfg [2021-04-15 12:46:43,987 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-15 12:46:43,988 INFO L168 Benchmark]: Toolchain (without parser) took 2397.73 ms. Allocated memory was 255.9 MB in the beginning and 354.4 MB in the end (delta: 98.6 MB). Free memory was 234.1 MB in the beginning and 278.5 MB in the end (delta: -44.4 MB). Peak memory consumption was 53.5 MB. Max. memory is 16.0 GB. [2021-04-15 12:46:43,989 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-15 12:46:43,989 INFO L168 Benchmark]: CACSL2BoogieTranslator took 376.18 ms. Allocated memory was 255.9 MB in the beginning and 354.4 MB in the end (delta: 98.6 MB). Free memory was 234.1 MB in the beginning and 317.6 MB in the end (delta: -83.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-04-15 12:46:43,989 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.85 ms. Allocated memory is still 354.4 MB. Free memory was 317.6 MB in the beginning and 316.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-15 12:46:43,990 INFO L168 Benchmark]: Boogie Preprocessor took 16.11 ms. Allocated memory is still 354.4 MB. Free memory was 316.0 MB in the beginning and 314.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-15 12:46:43,990 INFO L168 Benchmark]: RCFGBuilder took 466.72 ms. Allocated memory is still 354.4 MB. Free memory was 314.7 MB in the beginning and 288.9 MB in the end (delta: 25.8 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2021-04-15 12:46:43,990 INFO L168 Benchmark]: TraceAbstraction took 1491.45 ms. Allocated memory is still 354.4 MB. Free memory was 288.2 MB in the beginning and 278.5 MB in the end (delta: 9.7 MB). Peak memory consumption was 11.0 MB. Max. memory is 16.0 GB. [2021-04-15 12:46:43,992 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 376.18 ms. Allocated memory was 255.9 MB in the beginning and 354.4 MB in the end (delta: 98.6 MB). Free memory was 234.1 MB in the beginning and 317.6 MB in the end (delta: -83.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 42.85 ms. Allocated memory is still 354.4 MB. Free memory was 317.6 MB in the beginning and 316.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 16.11 ms. Allocated memory is still 354.4 MB. Free memory was 316.0 MB in the beginning and 314.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 466.72 ms. Allocated memory is still 354.4 MB. Free memory was 314.7 MB in the beginning and 288.9 MB in the end (delta: 25.8 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1491.45 ms. Allocated memory is still 354.4 MB. Free memory was 288.2 MB in the beginning and 278.5 MB in the end (delta: 9.7 MB). Peak memory consumption was 11.0 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 806, positive: 661, positive conditional: 661, positive unconditional: 0, negative: 145, negative conditional: 145, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 680, positive: 661, positive conditional: 0, positive unconditional: 661, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 425, positive: 415, positive conditional: 0, positive unconditional: 415, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 425, positive: 407, positive conditional: 0, positive unconditional: 407, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 18, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 79, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 680, positive: 246, positive conditional: 0, positive unconditional: 246, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 425, unknown conditional: 0, unknown unconditional: 425] , Statistics on independence cache: Total cache size (in pairs): 425, Positive cache size: 415, Positive conditional cache size: 0, Positive unconditional cache size: 415, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Independence queries for same thread: 126 - 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 [(*p)++=0, \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 CFG has 2 procedures, 88 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1349.8ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.4ms, PartialOrderReductionTime: 700.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 22, 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: 14.4ms SsaConstructionTime, 128.3ms SatisfiabilityAnalysisTime, 260.4ms InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 94 ConstructedInterpolants, 0 QuantifiedInterpolants, 349 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 RESULT: Ultimate proved your program to be incorrect! Received shutdown request...