/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-PN-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_21-sound_base.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-eaa536417960c97dc4122e532ee2691877b99d76-eaa5364 [2021-10-16 23:06:27,529 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 23:06:27,538 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 23:06:27,588 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-16 23:06:27,594 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 23:06:27,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 23:06:27,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 23:06:27,597 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 23:06:27,597 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 23:06:27,598 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 23:06:27,599 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 23:06:27,600 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 23:06:27,601 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 23:06:27,602 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 23:06:27,603 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 23:06:27,603 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 23:06:27,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-16 23:06:27,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 23:06:27,611 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 23:06:27,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 23:06:27,613 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-PN-NoLbe.epf [2021-10-16 23:06:27,626 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 23:06:27,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 23:06:27,633 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 23:06:27,633 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 23:06:27,633 INFO L138 SettingsManager]: * Use SBE=true [2021-10-16 23:06:27,634 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 23:06:27,634 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 23:06:27,634 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 23:06:27,634 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 23:06:27,634 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 23:06:27,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 23:06:27,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 23:06:27,635 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 23:06:27,635 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 23:06:27,635 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 23:06:27,635 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 23:06:27,635 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 23:06:27,635 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 23:06:27,635 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 23:06:27,635 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-16 23:06:27,636 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 23:06:27,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 23:06:27,636 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 23:06:27,636 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 23:06:27,636 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 23:06:27,636 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-16 23:06:27,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 23:06:27,636 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-16 23:06:27,637 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-16 23:06:27,637 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-16 23:06:27,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 23:06:27,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 23:06:27,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 23:06:27,856 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 23:06:27,857 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 23:06:27,857 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_21-sound_base.i [2021-10-16 23:06:27,928 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f248e6ef9/4f228072be894c6589a15bd353272357/FLAG9b45132fb [2021-10-16 23:06:28,412 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 23:06:28,412 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_21-sound_base.i [2021-10-16 23:06:28,429 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f248e6ef9/4f228072be894c6589a15bd353272357/FLAG9b45132fb [2021-10-16 23:06:28,442 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f248e6ef9/4f228072be894c6589a15bd353272357 [2021-10-16 23:06:28,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 23:06:28,448 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-16 23:06:28,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 23:06:28,451 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 23:06:28,453 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 23:06:28,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:06:28" (1/1) ... [2021-10-16 23:06:28,454 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62a650a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:28, skipping insertion in model container [2021-10-16 23:06:28,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:06:28" (1/1) ... [2021-10-16 23:06:28,459 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 23:06:28,492 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 23:06:28,791 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 23:06:28,801 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 23:06:28,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 23:06:28,858 INFO L208 MainTranslator]: Completed translation [2021-10-16 23:06:28,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:28 WrapperNode [2021-10-16 23:06:28,859 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 23:06:28,860 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 23:06:28,860 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 23:06:28,860 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 23:06:28,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:28" (1/1) ... [2021-10-16 23:06:28,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:28" (1/1) ... [2021-10-16 23:06:28,911 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 23:06:28,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 23:06:28,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 23:06:28,912 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 23:06:28,916 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:28" (1/1) ... [2021-10-16 23:06:28,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:28" (1/1) ... [2021-10-16 23:06:28,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:28" (1/1) ... [2021-10-16 23:06:28,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:28" (1/1) ... [2021-10-16 23:06:28,935 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:28" (1/1) ... [2021-10-16 23:06:28,936 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:28" (1/1) ... [2021-10-16 23:06:28,937 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:28" (1/1) ... [2021-10-16 23:06:28,938 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 23:06:28,939 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 23:06:28,939 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 23:06:28,939 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 23:06:28,941 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:28" (1/1) ... [2021-10-16 23:06:28,946 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 23:06:28,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-16 23:06:28,963 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) [2021-10-16 23:06:28,969 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 [2021-10-16 23:06:28,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 23:06:28,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 23:06:28,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 23:06:28,990 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-16 23:06:28,991 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-16 23:06:28,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 23:06:28,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 23:06:28,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 23:06:28,993 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-16 23:06:29,230 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 23:06:29,231 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-16 23:06:29,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:06:29 BoogieIcfgContainer [2021-10-16 23:06:29,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 23:06:29,233 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 23:06:29,233 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 23:06:29,237 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 23:06:29,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 11:06:28" (1/3) ... [2021-10-16 23:06:29,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46b8acf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:06:29, skipping insertion in model container [2021-10-16 23:06:29,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:28" (2/3) ... [2021-10-16 23:06:29,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46b8acf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:06:29, skipping insertion in model container [2021-10-16 23:06:29,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:06:29" (3/3) ... [2021-10-16 23:06:29,239 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_21-sound_base.i [2021-10-16 23:06:29,242 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 23:06:29,242 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-16 23:06:29,242 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-16 23:06:29,270 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,270 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,270 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,270 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,271 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,271 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,272 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,272 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,272 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,272 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,272 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,272 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,273 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,273 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,273 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,273 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,274 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,274 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,274 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,274 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,274 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,274 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,274 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,274 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,274 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,275 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,275 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,275 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,275 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,275 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,276 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,276 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,276 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,276 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,276 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,276 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,277 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,277 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,277 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,277 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,278 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,278 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,278 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,278 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,278 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,278 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,278 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,278 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,279 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,279 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,279 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,279 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,279 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,279 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,279 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,279 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,280 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,280 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,280 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,280 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,280 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,280 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,284 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,284 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,284 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,284 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,284 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,285 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:29,293 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-16 23:06:29,332 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 23:06:29,336 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=false, mConcurrency=PETRI_NET, 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 [2021-10-16 23:06:29,337 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-16 23:06:29,344 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 62 transitions, 129 flow [2021-10-16 23:06:29,369 INFO L129 PetriNetUnfolder]: 1/61 cut-off events. [2021-10-16 23:06:29,369 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:06:29,371 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65 conditions, 61 events. 1/61 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 62 event pairs, 0 based on Foata normal form. 0/58 useless extension candidates. Maximal degree in co-relation 40. Up to 2 conditions per place. [2021-10-16 23:06:29,372 INFO L82 GeneralOperation]: Start removeDead. Operand has 65 places, 62 transitions, 129 flow [2021-10-16 23:06:29,374 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 64 places, 61 transitions, 125 flow [2021-10-16 23:06:29,381 INFO L129 PetriNetUnfolder]: 0/33 cut-off events. [2021-10-16 23:06:29,381 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:06:29,381 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:06:29,382 INFO L254 CegarLoopForPetriNet]: 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] [2021-10-16 23:06:29,382 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 23:06:29,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:06:29,387 INFO L82 PathProgramCache]: Analyzing trace with hash 1806490370, now seen corresponding path program 1 times [2021-10-16 23:06:29,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:06:29,392 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782044558] [2021-10-16 23:06:29,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:06:29,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:06:29,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:06:29,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:06:29,572 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:06:29,573 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782044558] [2021-10-16 23:06:29,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782044558] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:06:29,573 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:06:29,574 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:06:29,575 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840152118] [2021-10-16 23:06:29,581 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:06:29,582 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:06:29,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:06:29,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:06:29,598 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 62 [2021-10-16 23:06:29,600 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 61 transitions, 125 flow. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 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) [2021-10-16 23:06:29,604 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:06:29,605 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 62 [2021-10-16 23:06:29,606 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:06:29,668 INFO L129 PetriNetUnfolder]: 8/140 cut-off events. [2021-10-16 23:06:29,668 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:06:29,669 INFO L84 FinitePrefix]: Finished finitePrefix Result has 162 conditions, 140 events. 8/140 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 518 event pairs, 2 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 135. Up to 13 conditions per place. [2021-10-16 23:06:29,671 INFO L132 encePairwiseOnDemand]: 57/62 looper letters, 6 selfloop transitions, 4 changer transitions 0/64 dead transitions. [2021-10-16 23:06:29,671 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 64 transitions, 151 flow [2021-10-16 23:06:29,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:06:29,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:06:29,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 176 transitions. [2021-10-16 23:06:29,679 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.946236559139785 [2021-10-16 23:06:29,679 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 176 transitions. [2021-10-16 23:06:29,679 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 176 transitions. [2021-10-16 23:06:29,680 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:06:29,682 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 176 transitions. [2021-10-16 23:06:29,683 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 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) [2021-10-16 23:06:29,686 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 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) [2021-10-16 23:06:29,686 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 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) [2021-10-16 23:06:29,687 INFO L186 Difference]: Start difference. First operand has 64 places, 61 transitions, 125 flow. Second operand 3 states and 176 transitions. [2021-10-16 23:06:29,688 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 64 transitions, 151 flow [2021-10-16 23:06:29,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 64 transitions, 150 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-16 23:06:29,691 INFO L242 Difference]: Finished difference. Result has 67 places, 64 transitions, 154 flow [2021-10-16 23:06:29,693 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=154, PETRI_PLACES=67, PETRI_TRANSITIONS=64} [2021-10-16 23:06:29,693 INFO L334 CegarLoopForPetriNet]: 64 programPoint places, 3 predicate places. [2021-10-16 23:06:29,693 INFO L470 AbstractCegarLoop]: Abstraction has has 67 places, 64 transitions, 154 flow [2021-10-16 23:06:29,694 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 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) [2021-10-16 23:06:29,694 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:06:29,694 INFO L254 CegarLoopForPetriNet]: 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] [2021-10-16 23:06:29,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 23:06:29,694 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 23:06:29,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:06:29,695 INFO L82 PathProgramCache]: Analyzing trace with hash 1215507966, now seen corresponding path program 1 times [2021-10-16 23:06:29,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:06:29,695 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9534199] [2021-10-16 23:06:29,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:06:29,695 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:06:29,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 23:06:29,713 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-16 23:06:29,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 23:06:29,775 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-16 23:06:29,775 INFO L631 BasicCegarLoop]: Counterexample is feasible [2021-10-16 23:06:29,776 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:06:29,777 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-16 23:06:29,778 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:06:29,778 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:06:29,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 23:06:29,783 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-16 23:06:29,783 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 23:06:29,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 11:06:29 BasicIcfg [2021-10-16 23:06:29,800 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 23:06:29,801 INFO L168 Benchmark]: Toolchain (without parser) took 1352.45 ms. Allocated memory was 184.5 MB in the beginning and 240.1 MB in the end (delta: 55.6 MB). Free memory was 161.8 MB in the beginning and 216.0 MB in the end (delta: -54.2 MB). Peak memory consumption was 70.1 MB. Max. memory is 8.0 GB. [2021-10-16 23:06:29,801 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 184.5 MB. Free memory was 152.9 MB in the beginning and 152.8 MB in the end (delta: 51.7 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-16 23:06:29,802 INFO L168 Benchmark]: CACSL2BoogieTranslator took 408.59 ms. Allocated memory is still 184.5 MB. Free memory was 161.5 MB in the beginning and 148.1 MB in the end (delta: 13.3 MB). Peak memory consumption was 14.2 MB. Max. memory is 8.0 GB. [2021-10-16 23:06:29,802 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.38 ms. Allocated memory is still 184.5 MB. Free memory was 148.1 MB in the beginning and 145.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-16 23:06:29,802 INFO L168 Benchmark]: Boogie Preprocessor took 26.86 ms. Allocated memory is still 184.5 MB. Free memory was 145.9 MB in the beginning and 144.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-16 23:06:29,803 INFO L168 Benchmark]: RCFGBuilder took 293.18 ms. Allocated memory is still 184.5 MB. Free memory was 144.7 MB in the beginning and 133.4 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-10-16 23:06:29,803 INFO L168 Benchmark]: TraceAbstraction took 566.65 ms. Allocated memory was 184.5 MB in the beginning and 240.1 MB in the end (delta: 55.6 MB). Free memory was 132.9 MB in the beginning and 216.0 MB in the end (delta: -83.0 MB). Peak memory consumption was 43.3 MB. Max. memory is 8.0 GB. [2021-10-16 23:06:29,805 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 184.5 MB. Free memory was 152.9 MB in the beginning and 152.8 MB in the end (delta: 51.7 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 408.59 ms. Allocated memory is still 184.5 MB. Free memory was 161.5 MB in the beginning and 148.1 MB in the end (delta: 13.3 MB). Peak memory consumption was 14.2 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 51.38 ms. Allocated memory is still 184.5 MB. Free memory was 148.1 MB in the beginning and 145.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 26.86 ms. Allocated memory is still 184.5 MB. Free memory was 145.9 MB in the beginning and 144.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 293.18 ms. Allocated memory is still 184.5 MB. Free memory was 144.7 MB in the beginning and 133.4 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 566.65 ms. Allocated memory was 184.5 MB in the beginning and 240.1 MB in the end (delta: 55.6 MB). Free memory was 132.9 MB in the beginning and 216.0 MB in the end (delta: -83.0 MB). Peak memory consumption was 43.3 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: 921]: the program contains a data race the program contains a data race We found a FailurePath: [L910] 0 int global; VAL [global=0] [L913] 0 void (*f)() = good; VAL [={-1:0}, global=0] [L919] 0 pthread_t id; VAL [={-1:0}, global=0] [L920] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [={-1:0}, global=0] [L921] 0 f = bad VAL [={-1:2}, global=0] [L921] 0 f = bad VAL [={-1:2}, global=0] - UnprovableResult [Line: 920]: 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: 911]: 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, 86 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 6.9ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 452.3ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 105.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 37.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 7 SDtfs, 1 SDslu, 0 SDs, 0 SdLazy, 7 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=154occurred in iteration=1, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 6.1ms SsaConstructionTime, 44.3ms SatisfiabilityAnalysisTime, 94.2ms InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 28 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-16 23:06:29,834 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...