/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/05-lval_ls_14-idxunknown_access.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-bc289cb [2022-01-28 14:15:23,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-28 14:15:23,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-28 14:15:23,578 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-28 14:15:23,579 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-28 14:15:23,590 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-28 14:15:23,592 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-28 14:15:23,596 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-28 14:15:23,597 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-28 14:15:23,600 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-28 14:15:23,601 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-28 14:15:23,602 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-28 14:15:23,602 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-28 14:15:23,604 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-28 14:15:23,605 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-28 14:15:23,607 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-28 14:15:23,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-28 14:15:23,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-28 14:15:23,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-28 14:15:23,613 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-28 14:15:23,614 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-28 14:15:23,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-28 14:15:23,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-28 14:15:23,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-28 14:15:23,621 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-28 14:15:23,626 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-28 14:15:23,626 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-28 14:15:23,627 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-28 14:15:23,629 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 14:15:23,651 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-28 14:15:23,651 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-28 14:15:23,652 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-28 14:15:23,652 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-28 14:15:23,652 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-28 14:15:23,652 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-28 14:15:23,653 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-28 14:15:23,653 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-28 14:15:23,653 INFO L138 SettingsManager]: * Use SBE=true [2022-01-28 14:15:23,653 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-28 14:15:23,653 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-28 14:15:23,653 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-28 14:15:23,653 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-28 14:15:23,653 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-28 14:15:23,654 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-28 14:15:23,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-28 14:15:23,654 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-28 14:15:23,654 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-28 14:15:23,654 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-28 14:15:23,654 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-28 14:15:23,654 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-28 14:15:23,654 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-28 14:15:23,655 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-28 14:15:23,655 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-28 14:15:23,655 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-28 14:15:23,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-28 14:15:23,657 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-28 14:15:23,657 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-28 14:15:23,657 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-28 14:15:23,657 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-28 14:15:23,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-28 14:15:23,658 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-28 14:15:23,658 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-28 14:15:23,658 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-01-28 14:15:23,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-28 14:15:23,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-28 14:15:23,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-28 14:15:23,872 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-28 14:15:23,872 INFO L275 PluginConnector]: CDTParser initialized [2022-01-28 14:15:23,873 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_14-idxunknown_access.i [2022-01-28 14:15:23,937 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b9043b3e/17a0e0c7d36445c282ffe5f6082fc2fd/FLAG26d8ce211 [2022-01-28 14:15:24,435 INFO L306 CDTParser]: Found 1 translation units. [2022-01-28 14:15:24,435 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/05-lval_ls_14-idxunknown_access.i [2022-01-28 14:15:24,446 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b9043b3e/17a0e0c7d36445c282ffe5f6082fc2fd/FLAG26d8ce211 [2022-01-28 14:15:24,758 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b9043b3e/17a0e0c7d36445c282ffe5f6082fc2fd [2022-01-28 14:15:24,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-28 14:15:24,760 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-28 14:15:24,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-28 14:15:24,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-28 14:15:24,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-28 14:15:24,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 02:15:24" (1/1) ... [2022-01-28 14:15:24,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cf33649 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:15:24, skipping insertion in model container [2022-01-28 14:15:24,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 02:15:24" (1/1) ... [2022-01-28 14:15:24,768 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-28 14:15:24,811 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-28 14:15:24,989 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-28 14:15:24,997 INFO L203 MainTranslator]: Completed pre-run [2022-01-28 14:15:25,049 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-28 14:15:25,076 INFO L208 MainTranslator]: Completed translation [2022-01-28 14:15:25,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:15:25 WrapperNode [2022-01-28 14:15:25,078 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-28 14:15:25,079 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-28 14:15:25,079 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-28 14:15:25,079 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-28 14:15:25,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:15:25" (1/1) ... [2022-01-28 14:15:25,105 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:15:25" (1/1) ... [2022-01-28 14:15:25,125 INFO L137 Inliner]: procedures = 163, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 45 [2022-01-28 14:15:25,126 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-28 14:15:25,127 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-28 14:15:25,127 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-28 14:15:25,127 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-28 14:15:25,132 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:15:25" (1/1) ... [2022-01-28 14:15:25,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:15:25" (1/1) ... [2022-01-28 14:15:25,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:15:25" (1/1) ... [2022-01-28 14:15:25,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:15:25" (1/1) ... [2022-01-28 14:15:25,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:15:25" (1/1) ... [2022-01-28 14:15:25,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:15:25" (1/1) ... [2022-01-28 14:15:25,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:15:25" (1/1) ... [2022-01-28 14:15:25,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-28 14:15:25,146 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-28 14:15:25,146 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-28 14:15:25,146 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-28 14:15:25,146 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:15:25" (1/1) ... [2022-01-28 14:15:25,151 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-28 14:15:25,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:15:25,168 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 14:15:25,179 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 14:15:25,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-28 14:15:25,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-28 14:15:25,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-28 14:15:25,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-28 14:15:25,191 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-01-28 14:15:25,191 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-01-28 14:15:25,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-28 14:15:25,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-28 14:15:25,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-28 14:15:25,192 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 14:15:25,362 INFO L234 CfgBuilder]: Building ICFG [2022-01-28 14:15:25,363 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-28 14:15:25,518 INFO L275 CfgBuilder]: Performing block encoding [2022-01-28 14:15:25,523 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-28 14:15:25,523 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-28 14:15:25,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 02:15:25 BoogieIcfgContainer [2022-01-28 14:15:25,524 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-28 14:15:25,525 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-28 14:15:25,525 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-28 14:15:25,527 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-28 14:15:25,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 02:15:24" (1/3) ... [2022-01-28 14:15:25,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a35a817 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 02:15:25, skipping insertion in model container [2022-01-28 14:15:25,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:15:25" (2/3) ... [2022-01-28 14:15:25,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a35a817 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 02:15:25, skipping insertion in model container [2022-01-28 14:15:25,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 02:15:25" (3/3) ... [2022-01-28 14:15:25,529 INFO L111 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_14-idxunknown_access.i [2022-01-28 14:15:25,532 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-28 14:15:25,532 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-28 14:15:25,532 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-01-28 14:15:25,532 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-28 14:15:25,551 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:25,551 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:25,551 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:25,551 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:25,551 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:25,551 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:25,552 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:25,552 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:25,552 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:25,552 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:25,552 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:25,552 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:25,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:25,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:25,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:25,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:25,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:25,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:25,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:25,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:25,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:25,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:25,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:25,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:25,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:25,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:25,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:25,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:25,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:25,555 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:25,555 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:25,555 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:25,555 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:25,555 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:25,555 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:25,555 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:25,555 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:25,555 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:25,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:25,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:25,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:25,558 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:25,558 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:25,558 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:25,558 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:25,558 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:25,558 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:25,559 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-01-28 14:15:25,584 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-28 14:15:25,589 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 14:15:25,589 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-01-28 14:15:25,595 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 80 places, 77 transitions, 159 flow [2022-01-28 14:15:25,639 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 610 states, 602 states have (on average 1.9003322259136213) internal successors, (1144), 609 states have internal predecessors, (1144), 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 14:15:25,642 INFO L276 IsEmpty]: Start isEmpty. Operand has 610 states, 602 states have (on average 1.9003322259136213) internal successors, (1144), 609 states have internal predecessors, (1144), 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 14:15:25,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-01-28 14:15:25,647 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:15:25,647 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] [2022-01-28 14:15:25,648 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-28 14:15:25,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:15:25,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1382176156, now seen corresponding path program 1 times [2022-01-28 14:15:25,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:15:25,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112175453] [2022-01-28 14:15:25,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:15:25,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:15:25,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:15:25,860 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 14:15:25,861 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:15:25,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112175453] [2022-01-28 14:15:25,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112175453] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:15:25,862 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 14:15:25,862 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-28 14:15:25,863 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736314840] [2022-01-28 14:15:25,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:15:25,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-28 14:15:25,868 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:15:25,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-28 14:15:25,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-01-28 14:15:25,894 INFO L87 Difference]: Start difference. First operand has 610 states, 602 states have (on average 1.9003322259136213) internal successors, (1144), 609 states have internal predecessors, (1144), 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 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 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 14:15:26,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:15:26,165 INFO L93 Difference]: Finished difference Result 992 states and 1878 transitions. [2022-01-28 14:15:26,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 14:15:26,167 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 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 32 [2022-01-28 14:15:26,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:15:26,177 INFO L225 Difference]: With dead ends: 992 [2022-01-28 14:15:26,177 INFO L226 Difference]: Without dead ends: 991 [2022-01-28 14:15:26,179 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 14:15:26,181 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 92 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-28 14:15:26,181 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [92 Valid, 298 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-28 14:15:26,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2022-01-28 14:15:26,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 656. [2022-01-28 14:15:26,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 656 states, 649 states have (on average 1.8983050847457628) internal successors, (1232), 655 states have internal predecessors, (1232), 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 14:15:26,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 656 states and 1232 transitions. [2022-01-28 14:15:26,226 INFO L78 Accepts]: Start accepts. Automaton has 656 states and 1232 transitions. Word has length 32 [2022-01-28 14:15:26,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:15:26,226 INFO L470 AbstractCegarLoop]: Abstraction has 656 states and 1232 transitions. [2022-01-28 14:15:26,226 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 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 14:15:26,226 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 1232 transitions. [2022-01-28 14:15:26,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-28 14:15:26,227 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:15:26,227 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 14:15:26,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-28 14:15:26,228 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-28 14:15:26,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:15:26,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1190604631, now seen corresponding path program 1 times [2022-01-28 14:15:26,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:15:26,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306749058] [2022-01-28 14:15:26,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:15:26,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:15:26,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:15:26,325 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 14:15:26,325 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:15:26,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306749058] [2022-01-28 14:15:26,325 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306749058] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:15:26,325 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 14:15:26,325 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-28 14:15:26,326 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552033962] [2022-01-28 14:15:26,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:15:26,327 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-28 14:15:26,327 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:15:26,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-28 14:15:26,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-01-28 14:15:26,327 INFO L87 Difference]: Start difference. First operand 656 states and 1232 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:15:26,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:15:26,561 INFO L93 Difference]: Finished difference Result 924 states and 1739 transitions. [2022-01-28 14:15:26,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 14:15:26,562 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-01-28 14:15:26,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:15:26,565 INFO L225 Difference]: With dead ends: 924 [2022-01-28 14:15:26,565 INFO L226 Difference]: Without dead ends: 924 [2022-01-28 14:15:26,566 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 14:15:26,566 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 72 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-28 14:15:26,567 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 219 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-28 14:15:26,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2022-01-28 14:15:26,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 689. [2022-01-28 14:15:26,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 689 states, 682 states have (on average 1.8973607038123168) internal successors, (1294), 688 states have internal predecessors, (1294), 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 14:15:26,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 1294 transitions. [2022-01-28 14:15:26,585 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 1294 transitions. Word has length 33 [2022-01-28 14:15:26,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:15:26,586 INFO L470 AbstractCegarLoop]: Abstraction has 689 states and 1294 transitions. [2022-01-28 14:15:26,586 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:15:26,586 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 1294 transitions. [2022-01-28 14:15:26,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-01-28 14:15:26,587 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:15:26,587 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] [2022-01-28 14:15:26,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-28 14:15:26,588 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-28 14:15:26,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:15:26,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1210924951, now seen corresponding path program 1 times [2022-01-28 14:15:26,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:15:26,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089433991] [2022-01-28 14:15:26,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:15:26,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:15:26,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:15:26,726 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 14:15:26,726 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:15:26,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089433991] [2022-01-28 14:15:26,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089433991] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:15:26,727 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 14:15:26,727 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-28 14:15:26,727 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510185628] [2022-01-28 14:15:26,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:15:26,727 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-28 14:15:26,727 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:15:26,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-28 14:15:26,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-01-28 14:15:26,728 INFO L87 Difference]: Start difference. First operand 689 states and 1294 transitions. Second operand has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 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 14:15:26,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:15:26,903 INFO L93 Difference]: Finished difference Result 1103 states and 2057 transitions. [2022-01-28 14:15:26,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 14:15:26,903 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 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 40 [2022-01-28 14:15:26,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:15:26,906 INFO L225 Difference]: With dead ends: 1103 [2022-01-28 14:15:26,907 INFO L226 Difference]: Without dead ends: 953 [2022-01-28 14:15:26,907 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 14:15:26,908 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 91 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-28 14:15:26,908 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [91 Valid, 262 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-28 14:15:26,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2022-01-28 14:15:26,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 622. [2022-01-28 14:15:26,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 622 states, 615 states have (on average 1.8634146341463416) internal successors, (1146), 621 states have internal predecessors, (1146), 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 14:15:26,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 1146 transitions. [2022-01-28 14:15:26,922 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 1146 transitions. Word has length 40 [2022-01-28 14:15:26,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:15:26,922 INFO L470 AbstractCegarLoop]: Abstraction has 622 states and 1146 transitions. [2022-01-28 14:15:26,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 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 14:15:26,923 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 1146 transitions. [2022-01-28 14:15:26,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-01-28 14:15:26,924 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:15:26,924 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] [2022-01-28 14:15:26,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-28 14:15:26,924 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-28 14:15:26,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:15:26,925 INFO L85 PathProgramCache]: Analyzing trace with hash 309804383, now seen corresponding path program 1 times [2022-01-28 14:15:26,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:15:26,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463048694] [2022-01-28 14:15:26,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:15:26,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:15:26,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:15:27,009 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 14:15:27,009 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:15:27,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463048694] [2022-01-28 14:15:27,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463048694] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:15:27,010 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 14:15:27,010 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-28 14:15:27,010 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300396989] [2022-01-28 14:15:27,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:15:27,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-28 14:15:27,010 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:15:27,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-28 14:15:27,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-01-28 14:15:27,011 INFO L87 Difference]: Start difference. First operand 622 states and 1146 transitions. Second operand has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 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 14:15:27,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:15:27,189 INFO L93 Difference]: Finished difference Result 883 states and 1597 transitions. [2022-01-28 14:15:27,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 14:15:27,189 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 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 41 [2022-01-28 14:15:27,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:15:27,192 INFO L225 Difference]: With dead ends: 883 [2022-01-28 14:15:27,192 INFO L226 Difference]: Without dead ends: 787 [2022-01-28 14:15:27,193 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 14:15:27,193 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 71 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-28 14:15:27,194 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 212 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-28 14:15:27,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2022-01-28 14:15:27,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 585. [2022-01-28 14:15:27,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 585 states, 578 states have (on average 1.8235294117647058) internal successors, (1054), 584 states have internal predecessors, (1054), 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 14:15:27,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 1054 transitions. [2022-01-28 14:15:27,207 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 1054 transitions. Word has length 41 [2022-01-28 14:15:27,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:15:27,207 INFO L470 AbstractCegarLoop]: Abstraction has 585 states and 1054 transitions. [2022-01-28 14:15:27,208 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 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 14:15:27,208 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 1054 transitions. [2022-01-28 14:15:27,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-01-28 14:15:27,209 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:15:27,209 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 14:15:27,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-28 14:15:27,210 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-28 14:15:27,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:15:27,210 INFO L85 PathProgramCache]: Analyzing trace with hash -501948914, now seen corresponding path program 1 times [2022-01-28 14:15:27,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:15:27,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201048167] [2022-01-28 14:15:27,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:15:27,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:15:27,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-28 14:15:27,237 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-28 14:15:27,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-28 14:15:27,280 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-28 14:15:27,280 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-28 14:15:27,281 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-01-28 14:15:27,283 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-01-28 14:15:27,283 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2022-01-28 14:15:27,283 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-01-28 14:15:27,283 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-01-28 14:15:27,283 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-01-28 14:15:27,284 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-01-28 14:15:27,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-28 14:15:27,287 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-01-28 14:15:27,291 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-28 14:15:27,291 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-28 14:15:27,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.01 02:15:27 BasicIcfg [2022-01-28 14:15:27,330 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-28 14:15:27,330 INFO L158 Benchmark]: Toolchain (without parser) took 2569.91ms. Allocated memory was 187.7MB in the beginning and 225.4MB in the end (delta: 37.7MB). Free memory was 134.3MB in the beginning and 103.5MB in the end (delta: 30.8MB). Peak memory consumption was 67.6MB. Max. memory is 8.0GB. [2022-01-28 14:15:27,330 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 187.7MB. Free memory is still 152.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-28 14:15:27,330 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.14ms. Allocated memory is still 187.7MB. Free memory was 134.2MB in the beginning and 155.5MB in the end (delta: -21.4MB). Peak memory consumption was 4.9MB. Max. memory is 8.0GB. [2022-01-28 14:15:27,331 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.76ms. Allocated memory is still 187.7MB. Free memory was 155.5MB in the beginning and 153.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-28 14:15:27,331 INFO L158 Benchmark]: Boogie Preprocessor took 18.73ms. Allocated memory is still 187.7MB. Free memory was 153.8MB in the beginning and 151.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-28 14:15:27,331 INFO L158 Benchmark]: RCFGBuilder took 378.33ms. Allocated memory is still 187.7MB. Free memory was 151.8MB in the beginning and 138.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-01-28 14:15:27,331 INFO L158 Benchmark]: TraceAbstraction took 1804.62ms. Allocated memory was 187.7MB in the beginning and 225.4MB in the end (delta: 37.7MB). Free memory was 138.2MB in the beginning and 103.5MB in the end (delta: 34.7MB). Peak memory consumption was 71.9MB. Max. memory is 8.0GB. [2022-01-28 14:15:27,332 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 187.7MB. Free memory is still 152.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 317.14ms. Allocated memory is still 187.7MB. Free memory was 134.2MB in the beginning and 155.5MB in the end (delta: -21.4MB). Peak memory consumption was 4.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.76ms. Allocated memory is still 187.7MB. Free memory was 155.5MB in the beginning and 153.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.73ms. Allocated memory is still 187.7MB. Free memory was 153.8MB in the beginning and 151.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 378.33ms. Allocated memory is still 187.7MB. Free memory was 151.8MB in the beginning and 138.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1804.62ms. Allocated memory was 187.7MB in the beginning and 225.4MB in the end (delta: 37.7MB). Free memory was 138.2MB in the beginning and 103.5MB in the end (delta: 34.7MB). Peak memory consumption was 71.9MB. 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: 694]: Data race detected Data race detected The following path leads to a data race: [L684] 0 int data[10]; VAL [data={1:0}] [L690] 0 int i = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=4, data={1:0}, i=4] [L691] CALL 0 assume_abort_if_not(0 <= i && i < 10) [L11] COND FALSE 0 !(!cond) VAL [\old(cond)=1, cond=1, data={1:0}] [L691] RET 0 assume_abort_if_not(0 <= i && i < 10) [L692] 0 pthread_t id; VAL [data={1:0}, i=4, id={2:0}] [L693] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, i=4, id={2:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L694] EXPR 0 data[i] VAL [arg={0:0}, data={1:0}, data[i]=0, i=4, id={2:0}] [L694] 0 data[i]++ VAL [arg={0:0}, data={1:0}, data[i]=0, data[i]++=41, data[i]++=0, i=4, id={2:0}] [L686] EXPR 1 data[4] VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=1] [L686] 1 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=1] [L694] 0 data[i]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=1, data[i]=0, data[i]++=0, data[i]++=41, i=4, id={2:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: data[i]++ [694] * C: data[i]++ [694] * C: data[i]++ [694] * C: data[i]++ [694] * C: data[4]++ [686] and C: data[i]++ [694] - UnprovableResult [Line: 694]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 693]: 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: 686]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 686]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 101 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 326 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 326 mSDsluCounter, 991 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 558 mSDsCounter, 104 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 877 IncrementalHoareTripleChecker+Invalid, 981 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 104 mSolverCounterUnsat, 439 mSDtfsCounter, 877 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=689occurred in iteration=2, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 1103 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 190 NumberOfCodeBlocks, 190 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 142 ConstructedInterpolants, 0 QuantifiedInterpolants, 550 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-01-28 14:15:27,404 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...