/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/03-practical_08-nonterm1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-bc289cb [2022-01-28 14:14:14,691 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-28 14:14:14,692 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-28 14:14:14,752 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-28 14:14:14,767 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-28 14:14:14,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-28 14:14:14,768 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-28 14:14:14,769 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-28 14:14:14,769 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-28 14:14:14,770 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-28 14:14:14,770 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-28 14:14:14,771 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-28 14:14:14,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-28 14:14:14,773 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-28 14:14:14,774 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-28 14:14:14,774 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-28 14:14:14,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-28 14:14:14,780 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-28 14:14:14,780 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-28 14:14:14,781 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-28 14:14:14,781 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-01-28 14:14:14,794 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-28 14:14:14,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-28 14:14:14,794 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-28 14:14:14,795 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-28 14:14:14,795 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-28 14:14:14,795 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-28 14:14:14,796 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-28 14:14:14,796 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-28 14:14:14,796 INFO L138 SettingsManager]: * Use SBE=true [2022-01-28 14:14:14,796 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-28 14:14:14,796 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-28 14:14:14,796 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-28 14:14:14,796 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-28 14:14:14,796 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-28 14:14:14,796 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-28 14:14:14,796 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-28 14:14:14,796 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-28 14:14:14,796 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-28 14:14:14,797 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-28 14:14:14,797 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-28 14:14:14,797 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-28 14:14:14,797 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-28 14:14:14,797 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-28 14:14:14,797 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-28 14:14:14,797 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-28 14:14:14,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-28 14:14:14,797 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-28 14:14:14,797 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-28 14:14:14,797 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-28 14:14:14,797 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-28 14:14:14,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-28 14:14:14,798 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-28 14:14:14,798 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-28 14:14:14,798 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-01-28 14:14:14,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-28 14:14:14,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-28 14:14:14,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-28 14:14:15,003 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-28 14:14:15,004 INFO L275 PluginConnector]: CDTParser initialized [2022-01-28 14:14:15,005 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/03-practical_08-nonterm1.i [2022-01-28 14:14:15,052 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c73a12ce/b87c1961bc044c60ada0b67b0972c6b4/FLAGe9077364a [2022-01-28 14:14:15,438 INFO L306 CDTParser]: Found 1 translation units. [2022-01-28 14:14:15,438 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/03-practical_08-nonterm1.i [2022-01-28 14:14:15,454 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c73a12ce/b87c1961bc044c60ada0b67b0972c6b4/FLAGe9077364a [2022-01-28 14:14:15,793 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c73a12ce/b87c1961bc044c60ada0b67b0972c6b4 [2022-01-28 14:14:15,795 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-28 14:14:15,796 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-28 14:14:15,797 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-28 14:14:15,797 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-28 14:14:15,799 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-28 14:14:15,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 02:14:15" (1/1) ... [2022-01-28 14:14:15,800 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b28c5e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:14:15, skipping insertion in model container [2022-01-28 14:14:15,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 02:14:15" (1/1) ... [2022-01-28 14:14:15,805 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-28 14:14:15,828 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-28 14:14:16,149 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-28 14:14:16,160 INFO L203 MainTranslator]: Completed pre-run [2022-01-28 14:14:16,197 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-28 14:14:16,242 INFO L208 MainTranslator]: Completed translation [2022-01-28 14:14:16,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:14:16 WrapperNode [2022-01-28 14:14:16,244 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-28 14:14:16,244 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-28 14:14:16,245 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-28 14:14:16,245 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-28 14:14:16,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:14:16" (1/1) ... [2022-01-28 14:14:16,273 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:14:16" (1/1) ... [2022-01-28 14:14:16,296 INFO L137 Inliner]: procedures = 264, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 89 [2022-01-28 14:14:16,296 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-28 14:14:16,297 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-28 14:14:16,297 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-28 14:14:16,297 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-28 14:14:16,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:14:16" (1/1) ... [2022-01-28 14:14:16,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:14:16" (1/1) ... [2022-01-28 14:14:16,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:14:16" (1/1) ... [2022-01-28 14:14:16,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:14:16" (1/1) ... [2022-01-28 14:14:16,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:14:16" (1/1) ... [2022-01-28 14:14:16,323 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:14:16" (1/1) ... [2022-01-28 14:14:16,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:14:16" (1/1) ... [2022-01-28 14:14:16,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-28 14:14:16,326 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-28 14:14:16,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-28 14:14:16,326 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-28 14:14:16,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:14:16" (1/1) ... [2022-01-28 14:14:16,334 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-28 14:14:16,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:14:16,351 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-28 14:14:16,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-28 14:14:16,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-28 14:14:16,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-28 14:14:16,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-28 14:14:16,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-28 14:14:16,381 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-01-28 14:14:16,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-28 14:14:16,381 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-01-28 14:14:16,381 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-01-28 14:14:16,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-28 14:14:16,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-28 14:14:16,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-28 14:14:16,382 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-28 14:14:16,486 INFO L234 CfgBuilder]: Building ICFG [2022-01-28 14:14:16,487 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-28 14:14:16,624 INFO L275 CfgBuilder]: Performing block encoding [2022-01-28 14:14:16,629 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-28 14:14:16,629 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-28 14:14:16,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 02:14:16 BoogieIcfgContainer [2022-01-28 14:14:16,633 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-28 14:14:16,634 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-28 14:14:16,634 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-28 14:14:16,637 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-28 14:14:16,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 02:14:15" (1/3) ... [2022-01-28 14:14:16,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@576976dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 02:14:16, skipping insertion in model container [2022-01-28 14:14:16,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:14:16" (2/3) ... [2022-01-28 14:14:16,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@576976dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 02:14:16, skipping insertion in model container [2022-01-28 14:14:16,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 02:14:16" (3/3) ... [2022-01-28 14:14:16,639 INFO L111 eAbstractionObserver]: Analyzing ICFG 03-practical_08-nonterm1.i [2022-01-28 14:14:16,643 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-28 14:14:16,643 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-28 14:14:16,643 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-01-28 14:14:16,643 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-28 14:14:16,663 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,663 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,664 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,664 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,664 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,664 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,664 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,664 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,664 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,664 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,664 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,665 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,665 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,665 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,665 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,665 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,665 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,665 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,666 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,666 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,666 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,666 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,666 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,667 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,667 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,667 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,667 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,667 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,667 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,667 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,667 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,667 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,667 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,668 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,668 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,668 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,668 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,668 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,668 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,668 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,668 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,668 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,669 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,669 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,669 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,669 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,669 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,669 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,669 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,669 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,670 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,670 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,670 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,670 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,670 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,670 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,670 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,670 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,671 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,671 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,671 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,671 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,671 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,671 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,671 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,671 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,671 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,672 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,674 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,674 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,674 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,674 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,674 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,674 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,674 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,675 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,675 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,675 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,678 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:14:16,686 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-01-28 14:14:16,723 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-28 14:14:16,730 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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 [2022-01-28 14:14:16,730 INFO L340 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2022-01-28 14:14:16,740 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 104 places, 102 transitions, 212 flow [2022-01-28 14:14:16,795 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 870 states, 850 states have (on average 1.988235294117647) internal successors, (1690), 869 states have internal predecessors, (1690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:14:16,799 INFO L276 IsEmpty]: Start isEmpty. Operand has 870 states, 850 states have (on average 1.988235294117647) internal successors, (1690), 869 states have internal predecessors, (1690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:14:16,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-01-28 14:14:16,806 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:14:16,806 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 14:14:16,806 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-01-28 14:14:16,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:14:16,810 INFO L85 PathProgramCache]: Analyzing trace with hash 944792271, now seen corresponding path program 1 times [2022-01-28 14:14:16,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:14:16,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890608489] [2022-01-28 14:14:16,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:14:16,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:14:16,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:14:16,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 14:14:16,945 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:14:16,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890608489] [2022-01-28 14:14:16,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890608489] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:14:16,945 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 14:14:16,946 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-28 14:14:16,947 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513017269] [2022-01-28 14:14:16,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:14:16,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 14:14:16,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:14:16,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 14:14:16,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 14:14:16,971 INFO L87 Difference]: Start difference. First operand has 870 states, 850 states have (on average 1.988235294117647) internal successors, (1690), 869 states have internal predecessors, (1690), 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 17.0) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:14:17,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:14:17,065 INFO L93 Difference]: Finished difference Result 925 states and 1775 transitions. [2022-01-28 14:14:17,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 14:14:17,067 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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 34 [2022-01-28 14:14:17,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:14:17,090 INFO L225 Difference]: With dead ends: 925 [2022-01-28 14:14:17,090 INFO L226 Difference]: Without dead ends: 919 [2022-01-28 14:14:17,091 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 14:14:17,093 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 46 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-28 14:14:17,094 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 179 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-28 14:14:17,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 919 states. [2022-01-28 14:14:17,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 919 to 787. [2022-01-28 14:14:17,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 773 states have (on average 1.945666235446313) internal successors, (1504), 786 states have internal predecessors, (1504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:14:17,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1504 transitions. [2022-01-28 14:14:17,178 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1504 transitions. Word has length 34 [2022-01-28 14:14:17,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:14:17,179 INFO L470 AbstractCegarLoop]: Abstraction has 787 states and 1504 transitions. [2022-01-28 14:14:17,179 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:14:17,179 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1504 transitions. [2022-01-28 14:14:17,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-01-28 14:14:17,180 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:14:17,180 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 14:14:17,180 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-28 14:14:17,180 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-01-28 14:14:17,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:14:17,181 INFO L85 PathProgramCache]: Analyzing trace with hash 19488146, now seen corresponding path program 1 times [2022-01-28 14:14:17,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:14:17,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853435198] [2022-01-28 14:14:17,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:14:17,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:14:17,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:14:17,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 14:14:17,221 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:14:17,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853435198] [2022-01-28 14:14:17,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853435198] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:14:17,221 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 14:14:17,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-28 14:14:17,221 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527894839] [2022-01-28 14:14:17,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:14:17,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 14:14:17,222 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:14:17,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 14:14:17,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 14:14:17,223 INFO L87 Difference]: Start difference. First operand 787 states and 1504 transitions. Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:14:17,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:14:17,259 INFO L93 Difference]: Finished difference Result 811 states and 1550 transitions. [2022-01-28 14:14:17,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 14:14:17,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2022-01-28 14:14:17,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:14:17,267 INFO L225 Difference]: With dead ends: 811 [2022-01-28 14:14:17,267 INFO L226 Difference]: Without dead ends: 811 [2022-01-28 14:14:17,268 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 14:14:17,269 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 20 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-28 14:14:17,269 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 161 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-28 14:14:17,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2022-01-28 14:14:17,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 795. [2022-01-28 14:14:17,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 795 states, 782 states have (on average 1.9424552429667519) internal successors, (1519), 794 states have internal predecessors, (1519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:14:17,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 1519 transitions. [2022-01-28 14:14:17,316 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 1519 transitions. Word has length 38 [2022-01-28 14:14:17,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:14:17,317 INFO L470 AbstractCegarLoop]: Abstraction has 795 states and 1519 transitions. [2022-01-28 14:14:17,317 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:14:17,317 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1519 transitions. [2022-01-28 14:14:17,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-01-28 14:14:17,318 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:14:17,318 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 14:14:17,318 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-28 14:14:17,318 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-01-28 14:14:17,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:14:17,319 INFO L85 PathProgramCache]: Analyzing trace with hash -933330746, now seen corresponding path program 1 times [2022-01-28 14:14:17,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:14:17,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500907386] [2022-01-28 14:14:17,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:14:17,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:14:17,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:14:17,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 14:14:17,362 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:14:17,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500907386] [2022-01-28 14:14:17,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500907386] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:14:17,362 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 14:14:17,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-28 14:14:17,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308486174] [2022-01-28 14:14:17,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:14:17,363 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 14:14:17,363 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:14:17,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 14:14:17,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 14:14:17,364 INFO L87 Difference]: Start difference. First operand 795 states and 1519 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) [2022-01-28 14:14:17,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:14:17,401 INFO L93 Difference]: Finished difference Result 836 states and 1601 transitions. [2022-01-28 14:14:17,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 14:14:17,401 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 [2022-01-28 14:14:17,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:14:17,404 INFO L225 Difference]: With dead ends: 836 [2022-01-28 14:14:17,404 INFO L226 Difference]: Without dead ends: 836 [2022-01-28 14:14:17,404 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 14:14:17,405 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 31 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-28 14:14:17,406 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 168 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-28 14:14:17,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2022-01-28 14:14:17,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 809. [2022-01-28 14:14:17,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 809 states, 799 states have (on average 1.9361702127659575) internal successors, (1547), 808 states have internal predecessors, (1547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:14:17,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 1547 transitions. [2022-01-28 14:14:17,436 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 1547 transitions. Word has length 39 [2022-01-28 14:14:17,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:14:17,436 INFO L470 AbstractCegarLoop]: Abstraction has 809 states and 1547 transitions. [2022-01-28 14:14:17,436 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) [2022-01-28 14:14:17,436 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1547 transitions. [2022-01-28 14:14:17,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-01-28 14:14:17,437 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:14:17,437 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 14:14:17,437 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-28 14:14:17,437 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-01-28 14:14:17,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:14:17,438 INFO L85 PathProgramCache]: Analyzing trace with hash -359008164, now seen corresponding path program 1 times [2022-01-28 14:14:17,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:14:17,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168974874] [2022-01-28 14:14:17,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:14:17,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:14:17,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:14:17,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 14:14:17,489 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:14:17,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168974874] [2022-01-28 14:14:17,490 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168974874] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:14:17,490 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 14:14:17,490 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-28 14:14:17,490 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414426796] [2022-01-28 14:14:17,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:14:17,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 14:14:17,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:14:17,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 14:14:17,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 14:14:17,491 INFO L87 Difference]: Start difference. First operand 809 states and 1547 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:14:17,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:14:17,510 INFO L93 Difference]: Finished difference Result 659 states and 1237 transitions. [2022-01-28 14:14:17,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 14:14:17,510 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2022-01-28 14:14:17,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:14:17,514 INFO L225 Difference]: With dead ends: 659 [2022-01-28 14:14:17,514 INFO L226 Difference]: Without dead ends: 659 [2022-01-28 14:14:17,514 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 14:14:17,523 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 39 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-28 14:14:17,524 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 168 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-28 14:14:17,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2022-01-28 14:14:17,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 623. [2022-01-28 14:14:17,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 623 states, 617 states have (on average 1.8881685575364668) internal successors, (1165), 622 states have internal predecessors, (1165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:14:17,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 1165 transitions. [2022-01-28 14:14:17,537 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 1165 transitions. Word has length 43 [2022-01-28 14:14:17,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:14:17,537 INFO L470 AbstractCegarLoop]: Abstraction has 623 states and 1165 transitions. [2022-01-28 14:14:17,537 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:14:17,538 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 1165 transitions. [2022-01-28 14:14:17,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-01-28 14:14:17,541 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:14:17,541 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 14:14:17,541 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-28 14:14:17,541 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-01-28 14:14:17,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:14:17,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1208307905, now seen corresponding path program 1 times [2022-01-28 14:14:17,542 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:14:17,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140719335] [2022-01-28 14:14:17,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:14:17,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:14:17,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:14:17,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 14:14:17,654 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:14:17,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140719335] [2022-01-28 14:14:17,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140719335] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:14:17,655 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 14:14:17,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-28 14:14:17,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985777865] [2022-01-28 14:14:17,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:14:17,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-28 14:14:17,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:14:17,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-28 14:14:17,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-01-28 14:14:17,656 INFO L87 Difference]: Start difference. First operand 623 states and 1165 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:14:17,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:14:17,688 INFO L93 Difference]: Finished difference Result 590 states and 1099 transitions. [2022-01-28 14:14:17,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 14:14:17,690 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 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 47 [2022-01-28 14:14:17,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:14:17,692 INFO L225 Difference]: With dead ends: 590 [2022-01-28 14:14:17,692 INFO L226 Difference]: Without dead ends: 482 [2022-01-28 14:14:17,692 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-01-28 14:14:17,693 INFO L933 BasicCegarLoop]: 204 mSDtfsCounter, 131 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-28 14:14:17,693 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [131 Valid, 442 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-28 14:14:17,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2022-01-28 14:14:17,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 482. [2022-01-28 14:14:17,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 478 states have (on average 1.797071129707113) internal successors, (859), 481 states have internal predecessors, (859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:14:17,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 859 transitions. [2022-01-28 14:14:17,702 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 859 transitions. Word has length 47 [2022-01-28 14:14:17,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:14:17,702 INFO L470 AbstractCegarLoop]: Abstraction has 482 states and 859 transitions. [2022-01-28 14:14:17,702 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:14:17,702 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 859 transitions. [2022-01-28 14:14:17,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-01-28 14:14:17,706 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:14:17,706 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 14:14:17,706 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-28 14:14:17,706 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-01-28 14:14:17,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:14:17,707 INFO L85 PathProgramCache]: Analyzing trace with hash 282715029, now seen corresponding path program 1 times [2022-01-28 14:14:17,707 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:14:17,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918057268] [2022-01-28 14:14:17,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:14:17,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:14:17,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:14:17,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 14:14:17,757 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:14:17,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918057268] [2022-01-28 14:14:17,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918057268] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:14:17,757 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 14:14:17,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-28 14:14:17,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043519598] [2022-01-28 14:14:17,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:14:17,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 14:14:17,758 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:14:17,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 14:14:17,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 14:14:17,759 INFO L87 Difference]: Start difference. First operand 482 states and 859 transitions. Second operand has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:14:17,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:14:17,777 INFO L93 Difference]: Finished difference Result 485 states and 852 transitions. [2022-01-28 14:14:17,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 14:14:17,778 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-01-28 14:14:17,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:14:17,779 INFO L225 Difference]: With dead ends: 485 [2022-01-28 14:14:17,779 INFO L226 Difference]: Without dead ends: 273 [2022-01-28 14:14:17,780 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 14:14:17,780 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 19 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-28 14:14:17,781 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 155 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-28 14:14:17,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2022-01-28 14:14:17,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 273. [2022-01-28 14:14:17,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 271 states have (on average 1.6346863468634687) internal successors, (443), 272 states have internal predecessors, (443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:14:17,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 443 transitions. [2022-01-28 14:14:17,786 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 443 transitions. Word has length 53 [2022-01-28 14:14:17,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:14:17,786 INFO L470 AbstractCegarLoop]: Abstraction has 273 states and 443 transitions. [2022-01-28 14:14:17,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:14:17,787 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 443 transitions. [2022-01-28 14:14:17,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-01-28 14:14:17,790 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:14:17,790 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 14:14:17,794 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-28 14:14:17,794 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-01-28 14:14:17,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:14:17,795 INFO L85 PathProgramCache]: Analyzing trace with hash 41111221, now seen corresponding path program 1 times [2022-01-28 14:14:17,795 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:14:17,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748658582] [2022-01-28 14:14:17,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:14:17,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:14:17,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-28 14:14:17,837 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-28 14:14:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-28 14:14:17,868 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-28 14:14:17,868 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-28 14:14:17,868 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (12 of 13 remaining) [2022-01-28 14:14:17,869 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2022-01-28 14:14:17,870 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (10 of 13 remaining) [2022-01-28 14:14:17,870 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining) [2022-01-28 14:14:17,870 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining) [2022-01-28 14:14:17,870 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (7 of 13 remaining) [2022-01-28 14:14:17,870 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (6 of 13 remaining) [2022-01-28 14:14:17,870 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 13 remaining) [2022-01-28 14:14:17,870 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (4 of 13 remaining) [2022-01-28 14:14:17,870 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (3 of 13 remaining) [2022-01-28 14:14:17,870 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 13 remaining) [2022-01-28 14:14:17,871 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 13 remaining) [2022-01-28 14:14:17,871 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining) [2022-01-28 14:14:17,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-28 14:14:17,873 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-01-28 14:14:17,876 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-28 14:14:17,876 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-28 14:14:17,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.01 02:14:17 BasicIcfg [2022-01-28 14:14:17,905 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-28 14:14:17,905 INFO L158 Benchmark]: Toolchain (without parser) took 2109.34ms. Allocated memory was 190.8MB in the beginning and 290.5MB in the end (delta: 99.6MB). Free memory was 138.1MB in the beginning and 252.9MB in the end (delta: -114.8MB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-28 14:14:17,905 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 190.8MB. Free memory was 155.9MB in the beginning and 155.8MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-28 14:14:17,906 INFO L158 Benchmark]: CACSL2BoogieTranslator took 447.09ms. Allocated memory was 190.8MB in the beginning and 290.5MB in the end (delta: 99.6MB). Free memory was 137.8MB in the beginning and 249.0MB in the end (delta: -111.1MB). Peak memory consumption was 12.8MB. Max. memory is 8.0GB. [2022-01-28 14:14:17,906 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.85ms. Allocated memory is still 290.5MB. Free memory was 249.0MB in the beginning and 246.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-28 14:14:17,906 INFO L158 Benchmark]: Boogie Preprocessor took 28.25ms. Allocated memory is still 290.5MB. Free memory was 246.9MB in the beginning and 245.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-28 14:14:17,906 INFO L158 Benchmark]: RCFGBuilder took 307.17ms. Allocated memory is still 290.5MB. Free memory was 245.3MB in the beginning and 230.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-01-28 14:14:17,906 INFO L158 Benchmark]: TraceAbstraction took 1271.14ms. Allocated memory is still 290.5MB. Free memory was 230.1MB in the beginning and 252.9MB in the end (delta: -22.8MB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-28 14:14:17,907 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 190.8MB. Free memory was 155.9MB in the beginning and 155.8MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 447.09ms. Allocated memory was 190.8MB in the beginning and 290.5MB in the end (delta: 99.6MB). Free memory was 137.8MB in the beginning and 249.0MB in the end (delta: -111.1MB). Peak memory consumption was 12.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 51.85ms. Allocated memory is still 290.5MB. Free memory was 249.0MB in the beginning and 246.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.25ms. Allocated memory is still 290.5MB. Free memory was 246.9MB in the beginning and 245.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 307.17ms. Allocated memory is still 290.5MB. Free memory was 245.3MB in the beginning and 230.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 1271.14ms. Allocated memory is still 290.5MB. Free memory was 230.1MB in the beginning and 252.9MB in the end (delta: -22.8MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 924]: Data race detected Data race detected The following path leads to a data race: [L918] 0 int myglobal; VAL [myglobal=0] [L919] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={2:0}, myglobal=0] [L920] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={2:0}, mutex2={3:0}, myglobal=0] [L936] 0 pthread_t id; VAL [id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal=0] [L937] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal=0, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L930] EXPR 1 myglobal+1 VAL [arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal=0] [L930] 1 myglobal=myglobal+1 VAL [arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal=1, myglobal=myglobal+1=26] [L930] 1 myglobal=myglobal+1 VAL [arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal=1] [L932] CALL 1 fun() [L939] EXPR 0 myglobal+1 VAL [id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal=1] [L922] 1 int i = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, i=0, mutex1={2:0}, mutex2={3:0}, myglobal=1] [L924] 1 myglobal+1 VAL [i=0, mutex1={2:0}, mutex2={3:0}, myglobal=1] [L939] EXPR 0 myglobal+1 VAL [id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal=1] [L939] 0 myglobal=myglobal+1 VAL [id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal=2, myglobal=myglobal+1=25] [L924] 1 myglobal+1 VAL [i=0, mutex1={2:0}, mutex2={3:0}, myglobal=2] Now there is a data race on ~myglobal~0 between C: myglobal=myglobal+1 [939] and C: myglobal+1 [924] - UnprovableResult [Line: 939]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 939]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 941]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 942]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 937]: 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: 930]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 930]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 924]: 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, 140 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 286 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 286 mSDsluCounter, 1273 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 555 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 145 IncrementalHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 723 mSDtfsCounter, 145 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=870occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 211 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 312 NumberOfCodeBlocks, 312 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 248 ConstructedInterpolants, 0 QuantifiedInterpolants, 391 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-01-28 14:14:17,965 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...