/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/03-practical_15-exit_problems.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-01 16:47:43,378 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-01 16:47:43,380 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-01 16:47:43,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-01 16:47:43,431 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-01 16:47:43,432 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-01 16:47:43,432 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-01 16:47:43,433 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 [2022-03-01 16:47:43,445 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-01 16:47:43,446 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-01 16:47:43,446 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-01 16:47:43,446 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-01 16:47:43,447 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-01 16:47:43,447 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-01 16:47:43,447 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-01 16:47:43,447 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-01 16:47:43,447 INFO L138 SettingsManager]: * Use SBE=true [2022-03-01 16:47:43,448 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-01 16:47:43,448 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-01 16:47:43,448 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-01 16:47:43,448 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-01 16:47:43,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-01 16:47:43,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-01 16:47:43,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-01 16:47:43,448 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-01 16:47:43,449 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-01 16:47:43,449 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-01 16:47:43,449 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-01 16:47:43,449 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-01 16:47:43,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-01 16:47:43,449 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-01 16:47:43,449 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-01 16:47:43,449 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-01 16:47:43,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 16:47:43,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-01 16:47:43,450 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-01 16:47:43,450 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-01 16:47:43,450 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-01 16:47:43,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-01 16:47:43,450 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-01 16:47:43,450 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-01 16:47:43,450 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-01 16:47:43,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-01 16:47:43,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-01 16:47:43,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-01 16:47:43,668 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-01 16:47:43,668 INFO L275 PluginConnector]: CDTParser initialized [2022-03-01 16:47:43,669 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/03-practical_15-exit_problems.i [2022-03-01 16:47:43,716 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50b488ff2/fc18d6f96502440494c293bac8ee881c/FLAG42887296d [2022-03-01 16:47:44,147 INFO L306 CDTParser]: Found 1 translation units. [2022-03-01 16:47:44,148 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/03-practical_15-exit_problems.i [2022-03-01 16:47:44,159 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50b488ff2/fc18d6f96502440494c293bac8ee881c/FLAG42887296d [2022-03-01 16:47:44,168 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50b488ff2/fc18d6f96502440494c293bac8ee881c [2022-03-01 16:47:44,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-01 16:47:44,171 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-01 16:47:44,173 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-01 16:47:44,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-01 16:47:44,176 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-01 16:47:44,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 04:47:44" (1/1) ... [2022-03-01 16:47:44,177 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78bb421c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:47:44, skipping insertion in model container [2022-03-01 16:47:44,177 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 04:47:44" (1/1) ... [2022-03-01 16:47:44,183 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-01 16:47:44,209 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-01 16:47:44,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 16:47:44,514 INFO L203 MainTranslator]: Completed pre-run [2022-03-01 16:47:44,555 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 16:47:44,606 INFO L208 MainTranslator]: Completed translation [2022-03-01 16:47:44,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:47:44 WrapperNode [2022-03-01 16:47:44,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-01 16:47:44,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-01 16:47:44,610 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-01 16:47:44,610 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-01 16:47:44,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:47:44" (1/1) ... [2022-03-01 16:47:44,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:47:44" (1/1) ... [2022-03-01 16:47:44,658 INFO L137 Inliner]: procedures = 264, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 57 [2022-03-01 16:47:44,659 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-01 16:47:44,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-01 16:47:44,659 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-01 16:47:44,659 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-01 16:47:44,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:47:44" (1/1) ... [2022-03-01 16:47:44,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:47:44" (1/1) ... [2022-03-01 16:47:44,674 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:47:44" (1/1) ... [2022-03-01 16:47:44,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:47:44" (1/1) ... [2022-03-01 16:47:44,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:47:44" (1/1) ... [2022-03-01 16:47:44,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:47:44" (1/1) ... [2022-03-01 16:47:44,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:47:44" (1/1) ... [2022-03-01 16:47:44,690 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-01 16:47:44,690 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-01 16:47:44,690 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-01 16:47:44,690 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-01 16:47:44,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:47:44" (1/1) ... [2022-03-01 16:47:44,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 16:47:44,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:47:44,719 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) [2022-03-01 16:47:44,720 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 [2022-03-01 16:47:44,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-01 16:47:44,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-01 16:47:44,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-01 16:47:44,744 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-01 16:47:44,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-01 16:47:44,744 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-01 16:47:44,744 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-01 16:47:44,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-01 16:47:44,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-01 16:47:44,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-01 16:47:44,745 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-01 16:47:44,861 INFO L234 CfgBuilder]: Building ICFG [2022-03-01 16:47:44,862 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-01 16:47:44,980 INFO L275 CfgBuilder]: Performing block encoding [2022-03-01 16:47:44,985 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-01 16:47:44,986 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-01 16:47:44,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 04:47:44 BoogieIcfgContainer [2022-03-01 16:47:44,987 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-01 16:47:44,988 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-01 16:47:44,988 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-01 16:47:44,991 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-01 16:47:44,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.03 04:47:44" (1/3) ... [2022-03-01 16:47:44,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38c50a36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 04:47:44, skipping insertion in model container [2022-03-01 16:47:44,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:47:44" (2/3) ... [2022-03-01 16:47:44,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38c50a36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 04:47:44, skipping insertion in model container [2022-03-01 16:47:44,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 04:47:44" (3/3) ... [2022-03-01 16:47:44,993 INFO L111 eAbstractionObserver]: Analyzing ICFG 03-practical_15-exit_problems.i [2022-03-01 16:47:44,996 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-01 16:47:44,996 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-01 16:47:44,996 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-03-01 16:47:44,997 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-01 16:47:45,018 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:47:45,019 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:47:45,019 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:47:45,019 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:47:45,019 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:47:45,019 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:47:45,020 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:47:45,020 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:47:45,020 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:47:45,020 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:47:45,020 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:47:45,020 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:47:45,021 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:47:45,021 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:47:45,021 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:47:45,021 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:47:45,021 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:47:45,021 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:47:45,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:47:45,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:47:45,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:47:45,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:47:45,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:47:45,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:47:45,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:47:45,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:47:45,023 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:47:45,023 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:47:45,023 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:47:45,023 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:47:45,023 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:47:45,023 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:47:45,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:47:45,026 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:47:45,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:47:45,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:47:45,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:47:45,026 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:47:45,027 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:47:45,030 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-01 16:47:45,074 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-01 16:47:45,080 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, 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, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-01 16:47:45,081 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-03-01 16:47:45,092 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 85 places, 83 transitions, 171 flow [2022-03-01 16:47:45,151 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 628 states, 617 states have (on average 1.9611021069692058) internal successors, (1210), 627 states have internal predecessors, (1210), 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) [2022-03-01 16:47:45,154 INFO L276 IsEmpty]: Start isEmpty. Operand has 628 states, 617 states have (on average 1.9611021069692058) internal successors, (1210), 627 states have internal predecessors, (1210), 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) [2022-03-01 16:47:45,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-03-01 16:47:45,161 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:47:45,161 INFO L514 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] [2022-03-01 16:47:45,162 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-01 16:47:45,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:47:45,166 INFO L85 PathProgramCache]: Analyzing trace with hash -956776958, now seen corresponding path program 1 times [2022-03-01 16:47:45,172 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:47:45,172 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729884622] [2022-03-01 16:47:45,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:47:45,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:47:45,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:47:45,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:47:45,361 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:47:45,361 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729884622] [2022-03-01 16:47:45,362 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729884622] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:47:45,362 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:47:45,362 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-01 16:47:45,363 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89941833] [2022-03-01 16:47:45,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:47:45,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 16:47:45,367 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:47:45,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 16:47:45,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:47:45,390 INFO L87 Difference]: Start difference. First operand has 628 states, 617 states have (on average 1.9611021069692058) internal successors, (1210), 627 states have internal predecessors, (1210), 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) [2022-03-01 16:47:45,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:47:45,435 INFO L93 Difference]: Finished difference Result 469 states and 860 transitions. [2022-03-01 16:47:45,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 16:47:45,437 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 [2022-03-01 16:47:45,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:47:45,447 INFO L225 Difference]: With dead ends: 469 [2022-03-01 16:47:45,447 INFO L226 Difference]: Without dead ends: 445 [2022-03-01 16:47:45,448 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:47:45,450 INFO L933 BasicCegarLoop]: 85 mSDtfsCounter, 32 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:47:45,451 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 138 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:47:45,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2022-03-01 16:47:45,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 389. [2022-03-01 16:47:45,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 382 states have (on average 1.8534031413612566) internal successors, (708), 388 states have internal predecessors, (708), 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) [2022-03-01 16:47:45,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 708 transitions. [2022-03-01 16:47:45,511 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 708 transitions. Word has length 33 [2022-03-01 16:47:45,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:47:45,512 INFO L470 AbstractCegarLoop]: Abstraction has 389 states and 708 transitions. [2022-03-01 16:47:45,512 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) [2022-03-01 16:47:45,512 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 708 transitions. [2022-03-01 16:47:45,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-03-01 16:47:45,513 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:47:45,513 INFO L514 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] [2022-03-01 16:47:45,513 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-01 16:47:45,513 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-01 16:47:45,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:47:45,514 INFO L85 PathProgramCache]: Analyzing trace with hash 474430293, now seen corresponding path program 1 times [2022-03-01 16:47:45,514 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:47:45,514 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655326650] [2022-03-01 16:47:45,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:47:45,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:47:45,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:47:45,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:47:45,561 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:47:45,561 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655326650] [2022-03-01 16:47:45,562 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655326650] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:47:45,562 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:47:45,562 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-01 16:47:45,562 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406266675] [2022-03-01 16:47:45,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:47:45,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 16:47:45,563 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:47:45,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 16:47:45,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:47:45,564 INFO L87 Difference]: Start difference. First operand 389 states and 708 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) [2022-03-01 16:47:45,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:47:45,591 INFO L93 Difference]: Finished difference Result 401 states and 725 transitions. [2022-03-01 16:47:45,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 16:47:45,591 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 [2022-03-01 16:47:45,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:47:45,593 INFO L225 Difference]: With dead ends: 401 [2022-03-01 16:47:45,593 INFO L226 Difference]: Without dead ends: 361 [2022-03-01 16:47:45,593 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:47:45,594 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 21 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:47:45,595 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 131 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:47:45,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2022-03-01 16:47:45,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 347. [2022-03-01 16:47:45,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 341 states have (on average 1.81524926686217) internal successors, (619), 346 states have internal predecessors, (619), 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) [2022-03-01 16:47:45,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 619 transitions. [2022-03-01 16:47:45,604 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 619 transitions. Word has length 38 [2022-03-01 16:47:45,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:47:45,605 INFO L470 AbstractCegarLoop]: Abstraction has 347 states and 619 transitions. [2022-03-01 16:47:45,605 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) [2022-03-01 16:47:45,605 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 619 transitions. [2022-03-01 16:47:45,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-03-01 16:47:45,620 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:47:45,620 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:47:45,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-01 16:47:45,621 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-01 16:47:45,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:47:45,621 INFO L85 PathProgramCache]: Analyzing trace with hash -46032434, now seen corresponding path program 1 times [2022-03-01 16:47:45,621 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:47:45,622 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51183946] [2022-03-01 16:47:45,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:47:45,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:47:45,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:47:45,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:47:45,651 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:47:45,651 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51183946] [2022-03-01 16:47:45,651 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51183946] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:47:45,651 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:47:45,651 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-01 16:47:45,651 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862746204] [2022-03-01 16:47:45,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:47:45,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 16:47:45,652 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:47:45,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 16:47:45,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:47:45,652 INFO L87 Difference]: Start difference. First operand 347 states and 619 transitions. Second operand has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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) [2022-03-01 16:47:45,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:47:45,676 INFO L93 Difference]: Finished difference Result 349 states and 612 transitions. [2022-03-01 16:47:45,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 16:47:45,677 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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 44 [2022-03-01 16:47:45,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:47:45,678 INFO L225 Difference]: With dead ends: 349 [2022-03-01 16:47:45,678 INFO L226 Difference]: Without dead ends: 253 [2022-03-01 16:47:45,678 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:47:45,679 INFO L933 BasicCegarLoop]: 76 mSDtfsCounter, 17 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:47:45,680 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 125 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:47:45,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2022-03-01 16:47:45,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2022-03-01 16:47:45,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 249 states have (on average 1.6706827309236947) internal successors, (416), 252 states have internal predecessors, (416), 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) [2022-03-01 16:47:45,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 416 transitions. [2022-03-01 16:47:45,686 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 416 transitions. Word has length 44 [2022-03-01 16:47:45,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:47:45,686 INFO L470 AbstractCegarLoop]: Abstraction has 253 states and 416 transitions. [2022-03-01 16:47:45,686 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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) [2022-03-01 16:47:45,687 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 416 transitions. [2022-03-01 16:47:45,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-03-01 16:47:45,688 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:47:45,688 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:47:45,688 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-01 16:47:45,688 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-01 16:47:45,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:47:45,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1044667063, now seen corresponding path program 1 times [2022-03-01 16:47:45,689 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:47:45,689 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306339340] [2022-03-01 16:47:45,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:47:45,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:47:45,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-01 16:47:45,705 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-01 16:47:45,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-01 16:47:45,731 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-01 16:47:45,731 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-01 16:47:45,732 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-03-01 16:47:45,733 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-03-01 16:47:45,733 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-03-01 16:47:45,733 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining) [2022-03-01 16:47:45,733 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 8 remaining) [2022-03-01 16:47:45,733 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-03-01 16:47:45,734 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-03-01 16:47:45,734 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-03-01 16:47:45,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-01 16:47:45,736 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-03-01 16:47:45,739 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-01 16:47:45,739 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-01 16:47:45,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.03 04:47:45 BasicIcfg [2022-03-01 16:47:45,772 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-01 16:47:45,772 INFO L158 Benchmark]: Toolchain (without parser) took 1600.86ms. Allocated memory was 183.5MB in the beginning and 233.8MB in the end (delta: 50.3MB). Free memory was 130.6MB in the beginning and 184.2MB in the end (delta: -53.6MB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-01 16:47:45,773 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 183.5MB. Free memory was 148.7MB in the beginning and 148.6MB in the end (delta: 69.6kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-01 16:47:45,773 INFO L158 Benchmark]: CACSL2BoogieTranslator took 435.12ms. Allocated memory was 183.5MB in the beginning and 233.8MB in the end (delta: 50.3MB). Free memory was 130.4MB in the beginning and 192.6MB in the end (delta: -62.2MB). Peak memory consumption was 16.5MB. Max. memory is 8.0GB. [2022-03-01 16:47:45,773 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.64ms. Allocated memory is still 233.8MB. Free memory was 192.6MB in the beginning and 190.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-01 16:47:45,774 INFO L158 Benchmark]: Boogie Preprocessor took 30.29ms. Allocated memory is still 233.8MB. Free memory was 190.5MB in the beginning and 188.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-01 16:47:45,774 INFO L158 Benchmark]: RCFGBuilder took 297.03ms. Allocated memory is still 233.8MB. Free memory was 188.8MB in the beginning and 176.9MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-03-01 16:47:45,774 INFO L158 Benchmark]: TraceAbstraction took 783.42ms. Allocated memory is still 233.8MB. Free memory was 176.2MB in the beginning and 184.2MB in the end (delta: -8.0MB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-01 16:47:45,776 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 183.5MB. Free memory was 148.7MB in the beginning and 148.6MB in the end (delta: 69.6kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 435.12ms. Allocated memory was 183.5MB in the beginning and 233.8MB in the end (delta: 50.3MB). Free memory was 130.4MB in the beginning and 192.6MB in the end (delta: -62.2MB). Peak memory consumption was 16.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 49.64ms. Allocated memory is still 233.8MB. Free memory was 192.6MB in the beginning and 190.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.29ms. Allocated memory is still 233.8MB. Free memory was 190.5MB in the beginning and 188.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 297.03ms. Allocated memory is still 233.8MB. Free memory was 188.8MB in the beginning and 176.9MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 783.42ms. Allocated memory is still 233.8MB. Free memory was 176.2MB in the beginning and 184.2MB in the end (delta: -8.0MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 929]: Data race detected Data race detected The following path leads to a data race: [L918] 0 int glob; VAL [glob=0] [L919] 0 pthread_mutex_t mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [glob=0, mutex={1:0}] [L920] 0 pthread_mutex_t bad = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [bad={2:0}, glob=0, mutex={1:0}] [L934] 0 pthread_t id; VAL [bad={2:0}, glob=0, id={3:0}, mutex={1:0}] [L935] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, bad={2:0}, glob=0, id={3:0}, mutex={1:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L929] 1 glob++ VAL [arg={0:0}, arg={0:0}, bad={2:0}, glob=1, glob++=0, mutex={1:0}] [L936] COND TRUE 0 1 VAL [arg={0:0}, arg={0:0}, bad={2:0}, glob=1, glob++=0, glob++=25, id={3:0}, mutex={1:0}] [L937] CALL 0 f(&bad) [L923] 0 glob++ VAL [arg={0:0}, arg={0:0}, bad={2:0}, glob=1, glob++=0, glob++=25, m={2:0}, m={2:0}, mutex={1:0}] [L929] 1 glob++ VAL [arg={0:0}, arg={0:0}, bad={2:0}, glob=1, glob++=0, glob++=25, mutex={1:0}] Now there is a data race on ~glob~0 between C: glob++ [923] and C: glob++ [929] - UnprovableResult [Line: 939]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 935]: 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: 929]: 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, 101 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 70 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 70 mSDsluCounter, 394 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 155 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 59 IncrementalHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 241 mSDtfsCounter, 59 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=628occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 70 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 163 NumberOfCodeBlocks, 163 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 118 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 could not prove your program: unable to determine feasibility of some traces [2022-03-01 16:47:45,845 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...