/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-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/04-mutex_24-sound_lock.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-5b77e9fc37942d960732eb3788a90132329d3bc4-5b77e9f [2021-10-19 14:23:55,196 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2021-10-19 14:23:55,300 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2021-10-19 14:23:55,325 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-19 14:23:55,326 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-19 14:23:55,326 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-19 14:23:55,326 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-19 14:23:55,327 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-19 14:23:55,327 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-19 14:23:55,327 INFO L138 SettingsManager]: * Use SBE=true [2021-10-19 14:23:55,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-19 14:23:55,328 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-19 14:23:55,328 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-19 14:23:55,328 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-19 14:23:55,328 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-19 14:23:55,328 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-19 14:23:55,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-19 14:23:55,329 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-19 14:23:55,329 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-19 14:23:55,329 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-19 14:23:55,329 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-19 14:23:55,329 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-19 14:23:55,329 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-19 14:23:55,329 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-19 14:23:55,329 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-19 14:23:55,329 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-19 14:23:55,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-19 14:23:55,330 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-19 14:23:55,331 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-19 14:23:55,331 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-19 14:23:55,331 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-19 14:23:55,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-19 14:23:55,331 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-19 14:23:55,331 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-19 14:23:55,331 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-19 14:23:55,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-19 14:23:55,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-19 14:23:55,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-19 14:23:55,575 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-19 14:23:55,575 INFO L275 PluginConnector]: CDTParser initialized [2021-10-19 14:23:55,576 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_24-sound_lock.i [2021-10-19 14:23:55,622 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/876f29b79/69ff2cabd04f44d7983c7ea8c910759d/FLAG5d1a3c29b [2021-10-19 14:23:56,029 INFO L306 CDTParser]: Found 1 translation units. [2021-10-19 14:23:56,029 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_24-sound_lock.i [2021-10-19 14:23:56,051 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/876f29b79/69ff2cabd04f44d7983c7ea8c910759d/FLAG5d1a3c29b [2021-10-19 14:23:56,065 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/876f29b79/69ff2cabd04f44d7983c7ea8c910759d [2021-10-19 14:23:56,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-19 14:23:56,068 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-19 14:23:56,075 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-19 14:23:56,076 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-19 14:23:56,081 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-19 14:23:56,081 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 02:23:56" (1/1) ... [2021-10-19 14:23:56,082 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@590a3468 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:56, skipping insertion in model container [2021-10-19 14:23:56,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 02:23:56" (1/1) ... [2021-10-19 14:23:56,087 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-19 14:23:56,121 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-19 14:23:56,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-19 14:23:56,464 INFO L203 MainTranslator]: Completed pre-run [2021-10-19 14:23:56,499 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-19 14:23:56,541 INFO L208 MainTranslator]: Completed translation [2021-10-19 14:23:56,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:56 WrapperNode [2021-10-19 14:23:56,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-19 14:23:56,542 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-19 14:23:56,542 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-19 14:23:56,543 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-19 14:23:56,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:56" (1/1) ... [2021-10-19 14:23:56,571 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:56" (1/1) ... [2021-10-19 14:23:56,592 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-19 14:23:56,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-19 14:23:56,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-19 14:23:56,593 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-19 14:23:56,598 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:56" (1/1) ... [2021-10-19 14:23:56,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:56" (1/1) ... [2021-10-19 14:23:56,606 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:56" (1/1) ... [2021-10-19 14:23:56,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:56" (1/1) ... [2021-10-19 14:23:56,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:56" (1/1) ... [2021-10-19 14:23:56,617 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:56" (1/1) ... [2021-10-19 14:23:56,618 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:56" (1/1) ... [2021-10-19 14:23:56,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-19 14:23:56,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-19 14:23:56,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-19 14:23:56,620 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-19 14:23:56,623 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:56" (1/1) ... [2021-10-19 14:23:56,627 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-19 14:23:56,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-19 14:23:56,645 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-19 14:23:56,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-19 14:23:56,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-19 14:23:56,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-19 14:23:56,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-19 14:23:56,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-19 14:23:56,677 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-19 14:23:56,677 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-19 14:23:56,677 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-19 14:23:56,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-19 14:23:56,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-19 14:23:56,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-19 14:23:56,678 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-19 14:23:56,967 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-19 14:23:56,967 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-19 14:23:56,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:23:56 BoogieIcfgContainer [2021-10-19 14:23:56,968 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-19 14:23:56,969 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-19 14:23:56,970 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-19 14:23:56,973 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-19 14:23:56,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 02:23:56" (1/3) ... [2021-10-19 14:23:56,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1500a77a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:23:56, skipping insertion in model container [2021-10-19 14:23:56,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:56" (2/3) ... [2021-10-19 14:23:56,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1500a77a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:23:56, skipping insertion in model container [2021-10-19 14:23:56,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:23:56" (3/3) ... [2021-10-19 14:23:56,975 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_24-sound_lock.i [2021-10-19 14:23:56,979 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-19 14:23:56,980 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-19 14:23:56,980 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2021-10-19 14:23:56,980 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-19 14:23:57,002 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,002 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,002 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,002 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,002 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,002 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,003 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,003 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,003 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,003 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,003 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,004 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,004 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,004 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,004 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,004 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,004 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,004 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,004 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,005 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,005 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,005 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,005 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,005 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,005 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,006 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,008 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,009 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,009 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,009 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,009 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,009 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,016 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-10-19 14:23:57,054 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-19 14:23:57,059 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-19 14:23:57,060 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-10-19 14:23:57,069 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 77 places, 74 transitions, 156 flow [2021-10-19 14:23:57,104 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 376 states, 365 states have (on average 1.8794520547945206) internal successors, (686), 375 states have internal predecessors, (686), 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) [2021-10-19 14:23:57,106 INFO L276 IsEmpty]: Start isEmpty. Operand has 376 states, 365 states have (on average 1.8794520547945206) internal successors, (686), 375 states have internal predecessors, (686), 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) [2021-10-19 14:23:57,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-19 14:23:57,113 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:23:57,114 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:23:57,114 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:23:57,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:23:57,118 INFO L82 PathProgramCache]: Analyzing trace with hash 1672676280, now seen corresponding path program 1 times [2021-10-19 14:23:57,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:23:57,124 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671501354] [2021-10-19 14:23:57,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:23:57,125 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:23:57,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:23:57,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:23:57,313 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:23:57,313 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671501354] [2021-10-19 14:23:57,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671501354] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:23:57,313 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:23:57,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:23:57,315 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151159273] [2021-10-19 14:23:57,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:23:57,318 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:23:57,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:23:57,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:23:57,329 INFO L87 Difference]: Start difference. First operand has 376 states, 365 states have (on average 1.8794520547945206) internal successors, (686), 375 states have internal predecessors, (686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:57,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:23:57,378 INFO L93 Difference]: Finished difference Result 434 states and 794 transitions. [2021-10-19 14:23:57,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:23:57,393 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-19 14:23:57,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:23:57,403 INFO L225 Difference]: With dead ends: 434 [2021-10-19 14:23:57,403 INFO L226 Difference]: Without dead ends: 434 [2021-10-19 14:23:57,416 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:23:57,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2021-10-19 14:23:57,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 377. [2021-10-19 14:23:57,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 367 states have (on average 1.8692098092643052) internal successors, (686), 376 states have internal predecessors, (686), 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) [2021-10-19 14:23:57,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 686 transitions. [2021-10-19 14:23:57,475 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 686 transitions. Word has length 33 [2021-10-19 14:23:57,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:23:57,476 INFO L470 AbstractCegarLoop]: Abstraction has 377 states and 686 transitions. [2021-10-19 14:23:57,476 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:57,476 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 686 transitions. [2021-10-19 14:23:57,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-19 14:23:57,477 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:23:57,477 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:23:57,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-19 14:23:57,478 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:23:57,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:23:57,478 INFO L82 PathProgramCache]: Analyzing trace with hash -2030912837, now seen corresponding path program 1 times [2021-10-19 14:23:57,478 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:23:57,479 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136598577] [2021-10-19 14:23:57,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:23:57,479 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:23:57,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:23:57,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:23:57,533 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:23:57,533 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136598577] [2021-10-19 14:23:57,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136598577] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:23:57,533 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:23:57,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:23:57,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422820044] [2021-10-19 14:23:57,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:23:57,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:23:57,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:23:57,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:23:57,536 INFO L87 Difference]: Start difference. First operand 377 states and 686 transitions. Second operand has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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) [2021-10-19 14:23:57,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:23:57,561 INFO L93 Difference]: Finished difference Result 400 states and 729 transitions. [2021-10-19 14:23:57,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:23:57,561 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-10-19 14:23:57,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:23:57,563 INFO L225 Difference]: With dead ends: 400 [2021-10-19 14:23:57,563 INFO L226 Difference]: Without dead ends: 391 [2021-10-19 14:23:57,564 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:23:57,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2021-10-19 14:23:57,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 376. [2021-10-19 14:23:57,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 367 states have (on average 1.8583106267029972) internal successors, (682), 375 states have internal predecessors, (682), 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) [2021-10-19 14:23:57,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 682 transitions. [2021-10-19 14:23:57,578 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 682 transitions. Word has length 37 [2021-10-19 14:23:57,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:23:57,578 INFO L470 AbstractCegarLoop]: Abstraction has 376 states and 682 transitions. [2021-10-19 14:23:57,578 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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) [2021-10-19 14:23:57,578 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 682 transitions. [2021-10-19 14:23:57,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-19 14:23:57,579 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:23:57,579 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:23:57,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-19 14:23:57,579 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:23:57,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:23:57,580 INFO L82 PathProgramCache]: Analyzing trace with hash 1198193405, now seen corresponding path program 1 times [2021-10-19 14:23:57,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:23:57,580 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80388410] [2021-10-19 14:23:57,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:23:57,580 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:23:57,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:23:57,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:23:57,613 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:23:57,613 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80388410] [2021-10-19 14:23:57,613 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80388410] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:23:57,613 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:23:57,613 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:23:57,614 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291947856] [2021-10-19 14:23:57,614 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:23:57,614 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:23:57,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:23:57,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:23:57,615 INFO L87 Difference]: Start difference. First operand 376 states and 682 transitions. Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:57,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:23:57,635 INFO L93 Difference]: Finished difference Result 386 states and 700 transitions. [2021-10-19 14:23:57,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:23:57,636 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-10-19 14:23:57,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:23:57,640 INFO L225 Difference]: With dead ends: 386 [2021-10-19 14:23:57,640 INFO L226 Difference]: Without dead ends: 386 [2021-10-19 14:23:57,640 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:23:57,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2021-10-19 14:23:57,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 376. [2021-10-19 14:23:57,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 369 states have (on average 1.8455284552845528) internal successors, (681), 375 states have internal predecessors, (681), 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) [2021-10-19 14:23:57,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 681 transitions. [2021-10-19 14:23:57,649 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 681 transitions. Word has length 38 [2021-10-19 14:23:57,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:23:57,649 INFO L470 AbstractCegarLoop]: Abstraction has 376 states and 681 transitions. [2021-10-19 14:23:57,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:57,650 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 681 transitions. [2021-10-19 14:23:57,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-19 14:23:57,651 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:23:57,651 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:23:57,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-19 14:23:57,651 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:23:57,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:23:57,651 INFO L82 PathProgramCache]: Analyzing trace with hash 1328488052, now seen corresponding path program 1 times [2021-10-19 14:23:57,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:23:57,652 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010877790] [2021-10-19 14:23:57,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:23:57,652 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:23:57,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:23:57,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:23:57,704 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:23:57,704 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010877790] [2021-10-19 14:23:57,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010877790] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:23:57,704 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:23:57,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-19 14:23:57,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110851659] [2021-10-19 14:23:57,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-19 14:23:57,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:23:57,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-19 14:23:57,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-19 14:23:57,705 INFO L87 Difference]: Start difference. First operand 376 states and 681 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:57,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:23:57,738 INFO L93 Difference]: Finished difference Result 592 states and 1049 transitions. [2021-10-19 14:23:57,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-19 14:23:57,739 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2021-10-19 14:23:57,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:23:57,741 INFO L225 Difference]: With dead ends: 592 [2021-10-19 14:23:57,741 INFO L226 Difference]: Without dead ends: 592 [2021-10-19 14:23:57,741 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.2ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-19 14:23:57,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2021-10-19 14:23:57,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 431. [2021-10-19 14:23:57,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 424 states have (on average 1.8136792452830188) internal successors, (769), 430 states have internal predecessors, (769), 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) [2021-10-19 14:23:57,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 769 transitions. [2021-10-19 14:23:57,751 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 769 transitions. Word has length 42 [2021-10-19 14:23:57,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:23:57,752 INFO L470 AbstractCegarLoop]: Abstraction has 431 states and 769 transitions. [2021-10-19 14:23:57,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:57,752 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 769 transitions. [2021-10-19 14:23:57,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-19 14:23:57,754 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:23:57,754 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:23:57,754 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-19 14:23:57,754 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:23:57,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:23:57,755 INFO L82 PathProgramCache]: Analyzing trace with hash -1438575590, now seen corresponding path program 1 times [2021-10-19 14:23:57,755 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:23:57,755 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888426660] [2021-10-19 14:23:57,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:23:57,755 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:23:57,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-19 14:23:57,771 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-19 14:23:57,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-19 14:23:57,800 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-19 14:23:57,801 INFO L631 BasicCegarLoop]: Counterexample is feasible [2021-10-19 14:23:57,802 WARN L672 BasicCegarLoop]: Found data race on ~myglobal~0 between C: myglobal=myglobal+1 [916] and C: myglobal+1 [927] [2021-10-19 14:23:57,803 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:23:57,804 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:23:57,804 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:23:57,804 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:23:57,805 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-19 14:23:57,805 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:23:57,805 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:23:57,805 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:23:57,805 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-19 14:23:57,810 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-19 14:23:57,810 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-19 14:23:57,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 02:23:57 BasicIcfg [2021-10-19 14:23:57,832 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-19 14:23:57,834 INFO L168 Benchmark]: Toolchain (without parser) took 1765.09 ms. Allocated memory is still 213.9 MB. Free memory was 163.1 MB in the beginning and 76.6 MB in the end (delta: 86.5 MB). Peak memory consumption was 86.5 MB. Max. memory is 8.0 GB. [2021-10-19 14:23:57,834 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 213.9 MB. Free memory was 181.1 MB in the beginning and 181.0 MB in the end (delta: 98.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-19 14:23:57,834 INFO L168 Benchmark]: CACSL2BoogieTranslator took 466.35 ms. Allocated memory is still 213.9 MB. Free memory was 162.8 MB in the beginning and 174.2 MB in the end (delta: -11.3 MB). Peak memory consumption was 12.0 MB. Max. memory is 8.0 GB. [2021-10-19 14:23:57,835 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.04 ms. Allocated memory is still 213.9 MB. Free memory was 174.2 MB in the beginning and 171.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-10-19 14:23:57,835 INFO L168 Benchmark]: Boogie Preprocessor took 26.46 ms. Allocated memory is still 213.9 MB. Free memory was 171.8 MB in the beginning and 170.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-19 14:23:57,835 INFO L168 Benchmark]: RCFGBuilder took 348.51 ms. Allocated memory is still 213.9 MB. Free memory was 170.5 MB in the beginning and 157.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-10-19 14:23:57,836 INFO L168 Benchmark]: TraceAbstraction took 863.02 ms. Allocated memory is still 213.9 MB. Free memory was 157.4 MB in the beginning and 76.6 MB in the end (delta: 80.7 MB). Peak memory consumption was 80.7 MB. Max. memory is 8.0 GB. [2021-10-19 14:23:57,837 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 213.9 MB. Free memory was 181.1 MB in the beginning and 181.0 MB in the end (delta: 98.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 466.35 ms. Allocated memory is still 213.9 MB. Free memory was 162.8 MB in the beginning and 174.2 MB in the end (delta: -11.3 MB). Peak memory consumption was 12.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 50.04 ms. Allocated memory is still 213.9 MB. Free memory was 174.2 MB in the beginning and 171.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 26.46 ms. Allocated memory is still 213.9 MB. Free memory was 171.8 MB in the beginning and 170.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 348.51 ms. Allocated memory is still 213.9 MB. Free memory was 170.5 MB in the beginning and 157.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 863.02 ms. Allocated memory is still 213.9 MB. Free memory was 157.4 MB in the beginning and 76.6 MB in the end (delta: 80.7 MB). Peak memory consumption was 80.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 916]: the program contains a data race the program contains a data race We found a FailurePath: [L911] 0 int myglobal; VAL [myglobal=0] [L912] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={3:0}, myglobal=0] [L913] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={3:0}, mutex2={5:0}, myglobal=0] [L921] 0 int i = __VERIFIER_nondet_int(); VAL [mutex1={3:0}, mutex2={5:0}, myglobal=0] [L922] 0 pthread_t id; VAL [mutex1={3:0}, mutex2={5:0}, myglobal=0] [L923] 0 pthread_mutex_t *m = &mutex1; VAL [mutex1={3:0}, mutex2={5:0}, myglobal=0] [L924] COND TRUE 0 \read(i) VAL [mutex1={3:0}, mutex2={5:0}, myglobal=0] [L924] 0 m = &mutex2 VAL [mutex1={3:0}, mutex2={5:0}, myglobal=0] [L925] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, mutex1={3:0}, mutex2={5:0}, myglobal=0] [L916] EXPR 1 myglobal+1 VAL [arg={0:0}, arg={0:0}, mutex1={3:0}, mutex2={5:0}, myglobal=0] [L916] EXPR 1 myglobal+1 VAL [arg={0:0}, arg={0:0}, mutex1={3:0}, mutex2={5:0}, myglobal=0] [L916] 1 myglobal=myglobal+1 VAL [arg={0:0}, arg={0:0}, mutex1={3:0}, mutex2={5:0}, myglobal=1, myglobal=myglobal+1=25] [L927] 0 myglobal+1 VAL [arg={0:0}, arg={0:0}, mutex1={3:0}, mutex2={5:0}, myglobal=1, myglobal=myglobal+1=25] [L916] 1 myglobal=myglobal+1 VAL [arg={0:0}, arg={0:0}, mutex1={3:0}, mutex2={5:0}, myglobal=1, myglobal=myglobal+1=25] - UnprovableResult [Line: 927]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 927]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 929]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 925]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 916]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 91 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 755.6ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 13.5ms, AutomataDifference: 177.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 44.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 315 SDtfs, 137 SDslu, 277 SDs, 0 SdLazy, 79 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 58.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=431occurred in iteration=4, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 80.9ms AutomataMinimizationTime, 4 MinimizatonAttempts, 243 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 13.9ms SsaConstructionTime, 75.6ms SatisfiabilityAnalysisTime, 177.5ms InterpolantComputationTime, 193 NumberOfCodeBlocks, 193 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 146 ConstructedInterpolants, 0 QuantifiedInterpolants, 224 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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! [2021-10-19 14:23:57,873 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...