/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/04-mutex_28-base_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-5b77e9fc37942d960732eb3788a90132329d3bc4-5b77e9f [2021-10-19 14:23:55,606 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2021-10-19 14:23:55,690 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2021-10-19 14:23:55,712 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-19 14:23:55,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-19 14:23:55,713 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-19 14:23:55,713 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-19 14:23:55,714 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-19 14:23:55,714 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-19 14:23:55,714 INFO L138 SettingsManager]: * Use SBE=true [2021-10-19 14:23:55,714 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-19 14:23:55,714 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-19 14:23:55,714 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-19 14:23:55,714 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-19 14:23:55,714 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-19 14:23:55,714 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-19 14:23:55,715 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-19 14:23:55,715 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-19 14:23:55,715 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-19 14:23:55,715 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-19 14:23:55,715 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-19 14:23:55,715 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-19 14:23:55,715 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-19 14:23:55,715 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-19 14:23:55,715 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-19 14:23:55,715 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-19 14:23:55,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-19 14:23:55,716 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-19 14:23:55,716 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-19 14:23:55,716 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-19 14:23:55,716 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-19 14:23:55,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-19 14:23:55,716 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-19 14:23:55,716 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-19 14:23:55,716 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-19 14:23:55,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-19 14:23:55,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-19 14:23:55,923 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-19 14:23:55,924 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-19 14:23:55,926 INFO L275 PluginConnector]: CDTParser initialized [2021-10-19 14:23:55,927 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_28-base_nr.i [2021-10-19 14:23:55,980 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/786cbd114/390568c682cc4507a01f773e9ca9869e/FLAG032a05ccd [2021-10-19 14:23:56,378 INFO L306 CDTParser]: Found 1 translation units. [2021-10-19 14:23:56,378 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_28-base_nr.i [2021-10-19 14:23:56,392 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/786cbd114/390568c682cc4507a01f773e9ca9869e/FLAG032a05ccd [2021-10-19 14:23:56,406 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/786cbd114/390568c682cc4507a01f773e9ca9869e [2021-10-19 14:23:56,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-19 14:23:56,410 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-19 14:23:56,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-19 14:23:56,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-19 14:23:56,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-19 14:23:56,414 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 02:23:56" (1/1) ... [2021-10-19 14:23:56,415 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53eb4bb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:56, skipping insertion in model container [2021-10-19 14:23:56,416 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 02:23:56" (1/1) ... [2021-10-19 14:23:56,420 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-19 14:23:56,461 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-19 14:23:56,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-19 14:23:56,789 INFO L203 MainTranslator]: Completed pre-run [2021-10-19 14:23:56,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-19 14:23:56,861 INFO L208 MainTranslator]: Completed translation [2021-10-19 14:23:56,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:56 WrapperNode [2021-10-19 14:23:56,861 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-19 14:23:56,862 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-19 14:23:56,862 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-19 14:23:56,862 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-19 14:23:56,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:56" (1/1) ... [2021-10-19 14:23:56,892 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:56" (1/1) ... [2021-10-19 14:23:56,912 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-19 14:23:56,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-19 14:23:56,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-19 14:23:56,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-19 14:23:56,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:56" (1/1) ... [2021-10-19 14:23:56,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:56" (1/1) ... [2021-10-19 14:23:56,919 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:56" (1/1) ... [2021-10-19 14:23:56,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:56" (1/1) ... [2021-10-19 14:23:56,922 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:56" (1/1) ... [2021-10-19 14:23:56,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:56" (1/1) ... [2021-10-19 14:23:56,927 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:56" (1/1) ... [2021-10-19 14:23:56,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-19 14:23:56,929 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-19 14:23:56,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-19 14:23:56,929 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-19 14:23:56,930 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:56" (1/1) ... [2021-10-19 14:23:56,938 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-19 14:23:56,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-19 14:23:56,955 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-19 14:23:56,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-19 14:23:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-19 14:23:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-19 14:23:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-19 14:23:56,979 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-19 14:23:56,979 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-19 14:23:56,979 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-19 14:23:56,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-19 14:23:56,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-19 14:23:56,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-19 14:23:56,980 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-19 14:23:57,212 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-19 14:23:57,212 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-19 14:23:57,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:23:57 BoogieIcfgContainer [2021-10-19 14:23:57,213 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-19 14:23:57,215 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-19 14:23:57,215 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-19 14:23:57,217 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-19 14:23:57,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 02:23:56" (1/3) ... [2021-10-19 14:23:57,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ac0de7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:23:57, skipping insertion in model container [2021-10-19 14:23:57,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:56" (2/3) ... [2021-10-19 14:23:57,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ac0de7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:23:57, skipping insertion in model container [2021-10-19 14:23:57,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:23:57" (3/3) ... [2021-10-19 14:23:57,219 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_28-base_nr.i [2021-10-19 14:23:57,222 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-19 14:23:57,222 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-19 14:23:57,222 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2021-10-19 14:23:57,222 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-19 14:23:57,237 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,237 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,237 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,237 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,238 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,238 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,238 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,238 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,238 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,238 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,238 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,238 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,238 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,238 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,239 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,239 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,239 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,239 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,239 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,239 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,239 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,239 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,240 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,240 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,240 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,240 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,240 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,240 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,240 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,240 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,240 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,240 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,240 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,241 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,241 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,241 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,241 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,241 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,241 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,241 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,241 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,242 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,242 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,242 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,242 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,242 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,242 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,243 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,243 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,243 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,243 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,243 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,243 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,243 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,243 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,243 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,244 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,244 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,245 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,246 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,246 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,246 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,246 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,246 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,246 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,246 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,246 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,246 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,246 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,247 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:57,253 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-19 14:23:57,283 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-19 14:23:57,288 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-19 14:23:57,288 INFO L340 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2021-10-19 14:23:57,302 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 80 places, 76 transitions, 157 flow [2021-10-19 14:23:57,344 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 655 states, 644 states have (on average 1.9145962732919255) internal successors, (1233), 654 states have internal predecessors, (1233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:57,349 INFO L276 IsEmpty]: Start isEmpty. Operand has 655 states, 644 states have (on average 1.9145962732919255) internal successors, (1233), 654 states have internal predecessors, (1233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:57,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-19 14:23:57,354 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:23:57,354 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:23:57,358 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 6 more)] === [2021-10-19 14:23:57,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:23:57,369 INFO L82 PathProgramCache]: Analyzing trace with hash 727487690, now seen corresponding path program 1 times [2021-10-19 14:23:57,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:23:57,376 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393254566] [2021-10-19 14:23:57,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:23:57,376 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:23:57,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:23:57,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:23:57,567 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:23:57,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393254566] [2021-10-19 14:23:57,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393254566] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:23:57,568 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:23:57,568 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:23:57,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560565921] [2021-10-19 14:23:57,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:23:57,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:23:57,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:23:57,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:23:57,587 INFO L87 Difference]: Start difference. First operand has 655 states, 644 states have (on average 1.9145962732919255) internal successors, (1233), 654 states have internal predecessors, (1233), 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 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:57,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:23:57,642 INFO L93 Difference]: Finished difference Result 980 states and 1844 transitions. [2021-10-19 14:23:57,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:23:57,645 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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 31 [2021-10-19 14:23:57,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:23:57,660 INFO L225 Difference]: With dead ends: 980 [2021-10-19 14:23:57,661 INFO L226 Difference]: Without dead ends: 980 [2021-10-19 14:23:57,662 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:23:57,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2021-10-19 14:23:57,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 665. [2021-10-19 14:23:57,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 654 states have (on average 1.9143730886850152) internal successors, (1252), 664 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:57,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 1252 transitions. [2021-10-19 14:23:57,730 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 1252 transitions. Word has length 31 [2021-10-19 14:23:57,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:23:57,731 INFO L470 AbstractCegarLoop]: Abstraction has 665 states and 1252 transitions. [2021-10-19 14:23:57,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:57,731 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 1252 transitions. [2021-10-19 14:23:57,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-19 14:23:57,732 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:23:57,732 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:23:57,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-19 14:23:57,732 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 6 more)] === [2021-10-19 14:23:57,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:23:57,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1326332113, now seen corresponding path program 1 times [2021-10-19 14:23:57,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:23:57,733 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099993625] [2021-10-19 14:23:57,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:23:57,733 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:23:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:23:57,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:23:57,808 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:23:57,808 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099993625] [2021-10-19 14:23:57,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099993625] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:23:57,808 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:23:57,808 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:23:57,809 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136681017] [2021-10-19 14:23:57,810 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:23:57,810 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:23:57,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:23:57,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:23:57,811 INFO L87 Difference]: Start difference. First operand 665 states and 1252 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:57,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:23:57,833 INFO L93 Difference]: Finished difference Result 701 states and 1322 transitions. [2021-10-19 14:23:57,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:23:57,834 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-19 14:23:57,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:23:57,838 INFO L225 Difference]: With dead ends: 701 [2021-10-19 14:23:57,838 INFO L226 Difference]: Without dead ends: 701 [2021-10-19 14:23:57,839 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:23:57,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states. [2021-10-19 14:23:57,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 679. [2021-10-19 14:23:57,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 679 states, 669 states have (on average 1.9118086696562033) internal successors, (1279), 678 states have internal predecessors, (1279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:57,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 1279 transitions. [2021-10-19 14:23:57,851 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 1279 transitions. Word has length 33 [2021-10-19 14:23:57,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:23:57,851 INFO L470 AbstractCegarLoop]: Abstraction has 679 states and 1279 transitions. [2021-10-19 14:23:57,851 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:57,851 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 1279 transitions. [2021-10-19 14:23:57,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-19 14:23:57,852 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:23:57,852 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:23:57,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-19 14:23:57,853 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 6 more)] === [2021-10-19 14:23:57,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:23:57,853 INFO L82 PathProgramCache]: Analyzing trace with hash 1449694483, now seen corresponding path program 1 times [2021-10-19 14:23:57,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:23:57,853 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511641025] [2021-10-19 14:23:57,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:23:57,854 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:23:57,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:23:57,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:23:57,906 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:23:57,906 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511641025] [2021-10-19 14:23:57,906 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511641025] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:23:57,906 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:23:57,906 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-19 14:23:57,906 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117314139] [2021-10-19 14:23:57,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:23:57,907 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:23:57,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:23:57,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:23:57,907 INFO L87 Difference]: Start difference. First operand 679 states and 1279 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:57,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:23:57,941 INFO L93 Difference]: Finished difference Result 620 states and 1141 transitions. [2021-10-19 14:23:57,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:23:57,942 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-10-19 14:23:57,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:23:57,944 INFO L225 Difference]: With dead ends: 620 [2021-10-19 14:23:57,944 INFO L226 Difference]: Without dead ends: 620 [2021-10-19 14:23:57,944 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:23:57,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2021-10-19 14:23:57,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 569. [2021-10-19 14:23:57,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 569 states, 564 states have (on average 1.8634751773049645) internal successors, (1051), 568 states have internal predecessors, (1051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:57,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 1051 transitions. [2021-10-19 14:23:57,974 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 1051 transitions. Word has length 38 [2021-10-19 14:23:57,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:23:57,975 INFO L470 AbstractCegarLoop]: Abstraction has 569 states and 1051 transitions. [2021-10-19 14:23:57,975 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:57,975 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 1051 transitions. [2021-10-19 14:23:57,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-19 14:23:57,976 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:23:57,976 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:23:57,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-19 14:23:57,976 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 6 more)] === [2021-10-19 14:23:57,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:23:57,977 INFO L82 PathProgramCache]: Analyzing trace with hash 529912399, now seen corresponding path program 1 times [2021-10-19 14:23:57,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:23:57,977 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900736215] [2021-10-19 14:23:57,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:23:57,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:23:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:23:58,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:23:58,027 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:23:58,027 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900736215] [2021-10-19 14:23:58,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900736215] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:23:58,031 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:23:58,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:23:58,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84288867] [2021-10-19 14:23:58,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:23:58,032 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:23:58,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:23:58,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:23:58,032 INFO L87 Difference]: Start difference. First operand 569 states and 1051 transitions. Second operand has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:58,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:23:58,044 INFO L93 Difference]: Finished difference Result 550 states and 998 transitions. [2021-10-19 14:23:58,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:23:58,045 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 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 39 [2021-10-19 14:23:58,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:23:58,046 INFO L225 Difference]: With dead ends: 550 [2021-10-19 14:23:58,046 INFO L226 Difference]: Without dead ends: 460 [2021-10-19 14:23:58,046 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:23:58,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2021-10-19 14:23:58,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 446. [2021-10-19 14:23:58,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 443 states have (on average 1.817155756207675) internal successors, (805), 445 states have internal predecessors, (805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:58,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 805 transitions. [2021-10-19 14:23:58,054 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 805 transitions. Word has length 39 [2021-10-19 14:23:58,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:23:58,054 INFO L470 AbstractCegarLoop]: Abstraction has 446 states and 805 transitions. [2021-10-19 14:23:58,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:58,055 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 805 transitions. [2021-10-19 14:23:58,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-19 14:23:58,056 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:23:58,056 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:23:58,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-19 14:23:58,056 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 6 more)] === [2021-10-19 14:23:58,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:23:58,057 INFO L82 PathProgramCache]: Analyzing trace with hash 1097667100, now seen corresponding path program 1 times [2021-10-19 14:23:58,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:23:58,057 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291825273] [2021-10-19 14:23:58,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:23:58,057 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:23:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:23:58,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:23:58,088 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:23:58,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291825273] [2021-10-19 14:23:58,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291825273] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:23:58,088 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:23:58,088 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:23:58,088 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417452647] [2021-10-19 14:23:58,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:23:58,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:23:58,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:23:58,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:23:58,089 INFO L87 Difference]: Start difference. First operand 446 states and 805 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) [2021-10-19 14:23:58,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:23:58,106 INFO L93 Difference]: Finished difference Result 437 states and 779 transitions. [2021-10-19 14:23:58,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:23:58,106 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 [2021-10-19 14:23:58,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:23:58,107 INFO L225 Difference]: With dead ends: 437 [2021-10-19 14:23:58,107 INFO L226 Difference]: Without dead ends: 304 [2021-10-19 14:23:58,108 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:23:58,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2021-10-19 14:23:58,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 304. [2021-10-19 14:23:58,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 302 states have (on average 1.7218543046357615) internal successors, (520), 303 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:58,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 520 transitions. [2021-10-19 14:23:58,112 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 520 transitions. Word has length 44 [2021-10-19 14:23:58,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:23:58,113 INFO L470 AbstractCegarLoop]: Abstraction has 304 states and 520 transitions. [2021-10-19 14:23:58,113 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) [2021-10-19 14:23:58,113 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 520 transitions. [2021-10-19 14:23:58,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-19 14:23:58,114 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:23:58,114 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:23:58,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-19 14:23:58,115 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 6 more)] === [2021-10-19 14:23:58,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:23:58,115 INFO L82 PathProgramCache]: Analyzing trace with hash 1803096957, now seen corresponding path program 1 times [2021-10-19 14:23:58,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:23:58,115 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033098329] [2021-10-19 14:23:58,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:23:58,116 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:23:58,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:23:58,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:23:58,209 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:23:58,209 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033098329] [2021-10-19 14:23:58,209 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033098329] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:23:58,209 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:23:58,209 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-19 14:23:58,209 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968739006] [2021-10-19 14:23:58,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:23:58,210 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:23:58,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:23:58,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:23:58,211 INFO L87 Difference]: Start difference. First operand 304 states and 520 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:58,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:23:58,294 INFO L93 Difference]: Finished difference Result 243 states and 415 transitions. [2021-10-19 14:23:58,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-19 14:23:58,294 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 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 58 [2021-10-19 14:23:58,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:23:58,296 INFO L225 Difference]: With dead ends: 243 [2021-10-19 14:23:58,296 INFO L226 Difference]: Without dead ends: 0 [2021-10-19 14:23:58,297 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 30.1ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-19 14:23:58,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-19 14:23:58,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-19 14:23:58,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:58,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-19 14:23:58,297 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2021-10-19 14:23:58,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:23:58,297 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-19 14:23:58,297 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:58,297 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-19 14:23:58,297 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-19 14:23:58,299 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:23:58,300 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:23:58,300 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-19 14:23:58,302 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:23:58,302 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:23:58,302 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:23:58,303 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:23:58,303 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:23:58,303 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:23:58,303 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-19 14:23:58,307 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-19 14:23:58,307 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-19 14:23:58,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 02:23:58 BasicIcfg [2021-10-19 14:23:58,309 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-19 14:23:58,310 INFO L168 Benchmark]: Toolchain (without parser) took 1899.25 ms. Allocated memory was 184.5 MB in the beginning and 235.9 MB in the end (delta: 51.4 MB). Free memory was 133.7 MB in the beginning and 165.8 MB in the end (delta: -32.1 MB). Peak memory consumption was 20.0 MB. Max. memory is 8.0 GB. [2021-10-19 14:23:58,310 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 184.5 MB. Free memory was 152.3 MB in the beginning and 152.2 MB in the end (delta: 97.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-19 14:23:58,310 INFO L168 Benchmark]: CACSL2BoogieTranslator took 450.04 ms. Allocated memory is still 184.5 MB. Free memory was 133.5 MB in the beginning and 145.8 MB in the end (delta: -12.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-10-19 14:23:58,310 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.16 ms. Allocated memory is still 184.5 MB. Free memory was 145.8 MB in the beginning and 143.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-10-19 14:23:58,311 INFO L168 Benchmark]: Boogie Preprocessor took 15.68 ms. Allocated memory is still 184.5 MB. Free memory was 143.2 MB in the beginning and 142.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-19 14:23:58,311 INFO L168 Benchmark]: RCFGBuilder took 284.76 ms. Allocated memory is still 184.5 MB. Free memory was 142.2 MB in the beginning and 129.6 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-10-19 14:23:58,311 INFO L168 Benchmark]: TraceAbstraction took 1094.15 ms. Allocated memory was 184.5 MB in the beginning and 235.9 MB in the end (delta: 51.4 MB). Free memory was 129.1 MB in the beginning and 165.8 MB in the end (delta: -36.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-10-19 14:23:58,312 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 184.5 MB. Free memory was 152.3 MB in the beginning and 152.2 MB in the end (delta: 97.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 450.04 ms. Allocated memory is still 184.5 MB. Free memory was 133.5 MB in the beginning and 145.8 MB in the end (delta: -12.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 50.16 ms. Allocated memory is still 184.5 MB. Free memory was 145.8 MB in the beginning and 143.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 15.68 ms. Allocated memory is still 184.5 MB. Free memory was 143.2 MB in the beginning and 142.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 284.76 ms. Allocated memory is still 184.5 MB. Free memory was 142.2 MB in the beginning and 129.6 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1094.15 ms. Allocated memory was 184.5 MB in the beginning and 235.9 MB in the end (delta: 51.4 MB). Free memory was 129.1 MB in the beginning and 165.8 MB in the end (delta: -36.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 934]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 937]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 925]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 917]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 917]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 106 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 1024.1ms, OverallIterations: 6, TraceHistogramMax: 1, EmptinessCheckTime: 14.5ms, AutomataDifference: 274.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 56.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 541 SDtfs, 259 SDslu, 379 SDs, 0 SdLazy, 125 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 103.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 42.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=679occurred in iteration=2, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 114.7ms AutomataMinimizationTime, 6 MinimizatonAttempts, 402 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 20.6ms SsaConstructionTime, 102.2ms SatisfiabilityAnalysisTime, 264.8ms InterpolantComputationTime, 243 NumberOfCodeBlocks, 243 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 237 ConstructedInterpolants, 0 QuantifiedInterpolants, 701 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-19 14:23:58,343 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...