/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-MCRwithDepranks-Lazy-NoForkJoinOpt.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/02-base_26-malloc_struct.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-04 04:44:03,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 04:44:03,233 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 04:44:03,269 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-04 04:44:03,284 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-04 04:44:03,286 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-04 04:44:03,287 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-04 04:44:03,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-04 04:44:03,289 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-04 04:44:03,292 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-04 04:44:03,293 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-04 04:44:03,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-04 04:44:03,295 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-04 04:44:03,298 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-04 04:44:03,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-04 04:44:03,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-04 04:44:03,305 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-04 04:44:03,305 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-04 04:44:03,305 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-04 04:44:03,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-04 04:44:03,306 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-04 04:44:03,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-03-04 04:44:03,309 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-04 04:44:03,309 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-04 04:44:03,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-04 04:44:03,310 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-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-03-04 04:44:03,334 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 04:44:03,335 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 04:44:03,335 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 04:44:03,335 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 04:44:03,336 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 04:44:03,336 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 04:44:03,336 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 04:44:03,336 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 04:44:03,336 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 04:44:03,336 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 04:44:03,337 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 04:44:03,337 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 04:44:03,337 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 04:44:03,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 04:44:03,337 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 04:44:03,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 04:44:03,337 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 04:44:03,337 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 04:44:03,338 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 04:44:03,338 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 04:44:03,338 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 04:44:03,338 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 04:44:03,338 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 04:44:03,338 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 04:44:03,339 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 04:44:03,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 04:44:03,339 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 04:44:03,339 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 04:44:03,339 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 04:44:03,339 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 04:44:03,339 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 04:44:03,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 04:44:03,340 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 04:44:03,340 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 04:44:03,340 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 04:44:03,340 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-04 04:44:03,340 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-04 04:44:03,340 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-04 04:44:03,522 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 04:44:03,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 04:44:03,542 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 04:44:03,543 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-04 04:44:03,544 INFO L275 PluginConnector]: CDTParser initialized [2022-03-04 04:44:03,544 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/02-base_26-malloc_struct.i [2022-03-04 04:44:03,588 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba5a75c4b/0de63ebd7812480c9dbbc2345252e4ce/FLAGdf08c6709 [2022-03-04 04:44:04,044 INFO L306 CDTParser]: Found 1 translation units. [2022-03-04 04:44:04,045 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/02-base_26-malloc_struct.i [2022-03-04 04:44:04,065 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba5a75c4b/0de63ebd7812480c9dbbc2345252e4ce/FLAGdf08c6709 [2022-03-04 04:44:04,081 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba5a75c4b/0de63ebd7812480c9dbbc2345252e4ce [2022-03-04 04:44:04,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 04:44:04,083 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-04 04:44:04,084 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-04 04:44:04,084 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-04 04:44:04,097 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-04 04:44:04,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:44:04" (1/1) ... [2022-03-04 04:44:04,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d6e776c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:44:04, skipping insertion in model container [2022-03-04 04:44:04,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:44:04" (1/1) ... [2022-03-04 04:44:04,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-04 04:44:04,139 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-04 04:44:04,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-04 04:44:04,588 INFO L203 MainTranslator]: Completed pre-run [2022-03-04 04:44:04,629 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-04 04:44:04,682 INFO L208 MainTranslator]: Completed translation [2022-03-04 04:44:04,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:44:04 WrapperNode [2022-03-04 04:44:04,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-04 04:44:04,684 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 04:44:04,684 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 04:44:04,684 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 04:44:04,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:44:04" (1/1) ... [2022-03-04 04:44:04,717 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:44:04" (1/1) ... [2022-03-04 04:44:04,731 INFO L137 Inliner]: procedures = 365, calls = 30, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 68 [2022-03-04 04:44:04,732 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 04:44:04,732 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 04:44:04,732 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 04:44:04,732 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 04:44:04,738 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:44:04" (1/1) ... [2022-03-04 04:44:04,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:44:04" (1/1) ... [2022-03-04 04:44:04,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:44:04" (1/1) ... [2022-03-04 04:44:04,741 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:44:04" (1/1) ... [2022-03-04 04:44:04,756 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:44:04" (1/1) ... [2022-03-04 04:44:04,757 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:44:04" (1/1) ... [2022-03-04 04:44:04,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:44:04" (1/1) ... [2022-03-04 04:44:04,760 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 04:44:04,760 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 04:44:04,760 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 04:44:04,760 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 04:44:04,768 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:44:04" (1/1) ... [2022-03-04 04:44:04,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 04:44:04,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 04:44:04,790 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-04 04:44:04,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-04 04:44:04,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-04 04:44:04,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-04 04:44:04,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-04 04:44:04,819 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-04 04:44:04,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-04 04:44:04,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-04 04:44:04,819 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-04 04:44:04,819 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-04 04:44:04,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-04 04:44:04,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 04:44:04,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 04:44:04,820 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-04 04:44:04,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-04 04:44:04,924 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 04:44:04,925 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 04:44:05,127 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 04:44:05,132 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 04:44:05,132 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-04 04:44:05,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 04:44:05 BoogieIcfgContainer [2022-03-04 04:44:05,134 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 04:44:05,135 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 04:44:05,135 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 04:44:05,137 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 04:44:05,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 04:44:04" (1/3) ... [2022-03-04 04:44:05,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc1631b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 04:44:05, skipping insertion in model container [2022-03-04 04:44:05,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:44:04" (2/3) ... [2022-03-04 04:44:05,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc1631b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 04:44:05, skipping insertion in model container [2022-03-04 04:44:05,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 04:44:05" (3/3) ... [2022-03-04 04:44:05,139 INFO L111 eAbstractionObserver]: Analyzing ICFG 02-base_26-malloc_struct.i [2022-03-04 04:44:05,142 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 04:44:05,142 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 04:44:05,142 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2022-03-04 04:44:05,142 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 04:44:05,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,182 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,182 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,182 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,183 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,183 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,183 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,183 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,187 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,187 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,187 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,187 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,187 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,188 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,188 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,188 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,188 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,188 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,188 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,195 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,196 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,197 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,197 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,197 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,197 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,198 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,198 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,198 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,198 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,198 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,198 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,198 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,201 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,203 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,203 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:44:05,205 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-04 04:44:05,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 04:44:05,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 04:44:05,234 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-04 04:44:05,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-04 04:44:05,261 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 04:44:05,267 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=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true [2022-03-04 04:44:05,268 INFO L340 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2022-03-04 04:44:05,303 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 34 transitions and produced 35 states. [2022-03-04 04:44:05,305 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2022-03-04 04:44:05,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:44:05,312 INFO L85 PathProgramCache]: Analyzing trace with hash 670265562, now seen corresponding path program 1 times [2022-03-04 04:44:05,318 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:44:05,319 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068558505] [2022-03-04 04:44:05,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:44:05,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:44:05,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:44:05,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:44:05,490 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:44:05,490 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068558505] [2022-03-04 04:44:05,491 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068558505] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 04:44:05,491 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 04:44:05,491 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-04 04:44:05,492 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134518808] [2022-03-04 04:44:05,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 04:44:05,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-04 04:44:05,497 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:44:05,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-04 04:44:05,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-04 04:44:05,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:44:05,516 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:44:05,518 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 04:44:05,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:44:05,544 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 39 transitions and produced 40 states. [2022-03-04 04:44:05,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:44:05,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-04 04:44:05,548 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2022-03-04 04:44:05,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:44:05,550 INFO L85 PathProgramCache]: Analyzing trace with hash 756627061, now seen corresponding path program 1 times [2022-03-04 04:44:05,550 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:44:05,551 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439149175] [2022-03-04 04:44:05,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:44:05,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:44:05,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:44:05,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:44:05,611 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:44:05,611 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439149175] [2022-03-04 04:44:05,611 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439149175] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 04:44:05,611 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 04:44:05,611 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-04 04:44:05,612 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669667010] [2022-03-04 04:44:05,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 04:44:05,612 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-04 04:44:05,613 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:44:05,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-04 04:44:05,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-04 04:44:05,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:44:05,613 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:44:05,613 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 04:44:05,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:44:05,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:44:05,643 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 72 transitions and produced 73 states. [2022-03-04 04:44:05,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:44:05,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:44:05,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-04 04:44:05,645 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2022-03-04 04:44:05,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:44:05,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1778397319, now seen corresponding path program 1 times [2022-03-04 04:44:05,646 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:44:05,646 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426474300] [2022-03-04 04:44:05,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:44:05,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:44:05,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:44:05,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:44:05,846 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:44:05,847 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426474300] [2022-03-04 04:44:05,847 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426474300] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 04:44:05,847 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 04:44:05,847 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-04 04:44:05,847 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661331150] [2022-03-04 04:44:05,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 04:44:05,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-04 04:44:05,849 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:44:05,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-04 04:44:05,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-04 04:44:05,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:44:05,849 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:44:05,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 04:44:05,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:44:05,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:44:05,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:44:05,927 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 91 transitions and produced 92 states. [2022-03-04 04:44:05,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:44:05,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:44:05,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-04 04:44:05,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-04 04:44:05,928 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2022-03-04 04:44:05,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:44:05,928 INFO L85 PathProgramCache]: Analyzing trace with hash -504654480, now seen corresponding path program 1 times [2022-03-04 04:44:05,929 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:44:05,929 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005340141] [2022-03-04 04:44:05,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:44:05,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:44:05,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:44:06,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:44:06,079 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:44:06,079 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005340141] [2022-03-04 04:44:06,080 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005340141] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 04:44:06,080 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 04:44:06,080 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-04 04:44:06,080 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240893603] [2022-03-04 04:44:06,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 04:44:06,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-04 04:44:06,080 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:44:06,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-04 04:44:06,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-04 04:44:06,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:44:06,081 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:44:06,081 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 04:44:06,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:44:06,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:44:06,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-04 04:44:06,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:44:06,178 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 119 transitions and produced 120 states. [2022-03-04 04:44:06,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:44:06,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:44:06,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-04 04:44:06,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-04 04:44:06,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-04 04:44:06,183 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2022-03-04 04:44:06,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:44:06,184 INFO L85 PathProgramCache]: Analyzing trace with hash -1033093604, now seen corresponding path program 1 times [2022-03-04 04:44:06,184 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:44:06,184 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796603115] [2022-03-04 04:44:06,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:44:06,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:44:06,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:44:06,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:44:06,323 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:44:06,324 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796603115] [2022-03-04 04:44:06,324 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796603115] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 04:44:06,324 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 04:44:06,324 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-04 04:44:06,324 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054644047] [2022-03-04 04:44:06,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 04:44:06,325 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-04 04:44:06,325 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:44:06,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-04 04:44:06,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-04 04:44:06,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:44:06,325 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:44:06,326 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 04:44:06,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:44:06,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:44:06,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-04 04:44:06,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-04 04:44:06,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:44:06,383 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 130 transitions and produced 131 states. [2022-03-04 04:44:06,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:44:06,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:44:06,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-04 04:44:06,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-04 04:44:06,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-04 04:44:06,384 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-04 04:44:06,384 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2022-03-04 04:44:06,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:44:06,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1727874274, now seen corresponding path program 1 times [2022-03-04 04:44:06,385 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:44:06,385 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202411554] [2022-03-04 04:44:06,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:44:06,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:44:06,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:44:06,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:44:06,459 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:44:06,459 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202411554] [2022-03-04 04:44:06,459 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202411554] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 04:44:06,459 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 04:44:06,459 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-04 04:44:06,459 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012824610] [2022-03-04 04:44:06,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 04:44:06,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-04 04:44:06,460 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:44:06,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-04 04:44:06,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-04 04:44:06,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:44:06,461 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:44:06,461 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 04:44:06,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:44:06,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:44:06,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-04 04:44:06,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-04 04:44:06,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-04 04:44:06,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:44:06,583 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 470 transitions and produced 310 states. [2022-03-04 04:44:06,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:44:06,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:44:06,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-04 04:44:06,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-04 04:44:06,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-04 04:44:06,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-04 04:44:06,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-04 04:44:06,586 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2022-03-04 04:44:06,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:44:06,587 INFO L85 PathProgramCache]: Analyzing trace with hash 735125164, now seen corresponding path program 1 times [2022-03-04 04:44:06,587 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:44:06,587 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476713400] [2022-03-04 04:44:06,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:44:06,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:44:06,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:44:06,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:44:06,895 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:44:06,897 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476713400] [2022-03-04 04:44:06,898 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476713400] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 04:44:06,898 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 04:44:06,898 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-04 04:44:06,898 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903218209] [2022-03-04 04:44:06,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 04:44:06,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-04 04:44:06,899 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:44:06,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-04 04:44:06,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-04 04:44:06,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:44:06,900 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:44:06,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.0) internal successors, (72), 10 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 04:44:06,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:44:06,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:44:06,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-04 04:44:06,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-04 04:44:06,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-04 04:44:06,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-04 04:44:06,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:44:07,053 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1316 transitions and produced 822 states. [2022-03-04 04:44:07,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:44:07,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:44:07,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-04 04:44:07,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-04 04:44:07,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-04 04:44:07,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-04 04:44:07,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 04:44:07,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-04 04:44:07,054 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2022-03-04 04:44:07,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:44:07,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1195022298, now seen corresponding path program 1 times [2022-03-04 04:44:07,055 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:44:07,055 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404919747] [2022-03-04 04:44:07,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:44:07,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:44:07,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-04 04:44:07,090 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-04 04:44:07,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-04 04:44:07,153 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-04 04:44:07,153 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-04 04:44:07,153 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (13 of 14 remaining) [2022-03-04 04:44:07,157 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (12 of 14 remaining) [2022-03-04 04:44:07,158 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (11 of 14 remaining) [2022-03-04 04:44:07,158 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (10 of 14 remaining) [2022-03-04 04:44:07,158 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (9 of 14 remaining) [2022-03-04 04:44:07,158 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (8 of 14 remaining) [2022-03-04 04:44:07,158 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 14 remaining) [2022-03-04 04:44:07,158 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 14 remaining) [2022-03-04 04:44:07,158 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 14 remaining) [2022-03-04 04:44:07,158 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 14 remaining) [2022-03-04 04:44:07,159 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 14 remaining) [2022-03-04 04:44:07,159 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 14 remaining) [2022-03-04 04:44:07,159 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 14 remaining) [2022-03-04 04:44:07,159 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 14 remaining) [2022-03-04 04:44:07,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-04 04:44:07,167 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-03-04 04:44:07,171 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-04 04:44:07,171 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-04 04:44:07,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 04:44:07 BasicIcfg [2022-03-04 04:44:07,216 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-04 04:44:07,217 INFO L158 Benchmark]: Toolchain (without parser) took 3133.41ms. Allocated memory was 170.9MB in the beginning and 209.7MB in the end (delta: 38.8MB). Free memory was 147.0MB in the beginning and 114.8MB in the end (delta: 32.2MB). Peak memory consumption was 70.5MB. Max. memory is 8.0GB. [2022-03-04 04:44:07,217 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 170.9MB. Free memory is still 137.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 04:44:07,217 INFO L158 Benchmark]: CACSL2BoogieTranslator took 598.98ms. Allocated memory was 170.9MB in the beginning and 209.7MB in the end (delta: 38.8MB). Free memory was 147.0MB in the beginning and 159.3MB in the end (delta: -12.3MB). Peak memory consumption was 27.6MB. Max. memory is 8.0GB. [2022-03-04 04:44:07,217 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.92ms. Allocated memory is still 209.7MB. Free memory was 159.3MB in the beginning and 156.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-04 04:44:07,218 INFO L158 Benchmark]: Boogie Preprocessor took 27.60ms. Allocated memory is still 209.7MB. Free memory was 156.7MB in the beginning and 154.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-04 04:44:07,218 INFO L158 Benchmark]: RCFGBuilder took 373.68ms. Allocated memory is still 209.7MB. Free memory was 154.8MB in the beginning and 140.5MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-03-04 04:44:07,218 INFO L158 Benchmark]: TraceAbstraction took 2081.51ms. Allocated memory is still 209.7MB. Free memory was 140.1MB in the beginning and 114.8MB in the end (delta: 25.3MB). Peak memory consumption was 25.1MB. Max. memory is 8.0GB. [2022-03-04 04:44:07,219 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 170.9MB. Free memory is still 137.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 598.98ms. Allocated memory was 170.9MB in the beginning and 209.7MB in the end (delta: 38.8MB). Free memory was 147.0MB in the beginning and 159.3MB in the end (delta: -12.3MB). Peak memory consumption was 27.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.92ms. Allocated memory is still 209.7MB. Free memory was 159.3MB in the beginning and 156.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.60ms. Allocated memory is still 209.7MB. Free memory was 156.7MB in the beginning and 154.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 373.68ms. Allocated memory is still 209.7MB. Free memory was 154.8MB in the beginning and 140.5MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 2081.51ms. Allocated memory is still 209.7MB. Free memory was 140.1MB in the beginning and 114.8MB in the end (delta: 25.3MB). Peak memory consumption was 25.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - 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: 1245]: Data race detected Data race detected The following path leads to a data race: [L1227] 0 data *d; VAL [d={0:0}] [L1228] 0 pthread_mutex_t m = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [d={0:0}, m={3:0}] [L1237] 0 pthread_t id; VAL [d={0:0}, id={9:0}, m={3:0}] [L1238] 0 data *z; VAL [d={0:0}, id={9:0}, m={3:0}] [L1239] 0 d = malloc(sizeof(data)) VAL [d={-2:0}, d = malloc(sizeof(data))=105, id={9:0}, m={3:0}, malloc(sizeof(data))={-2:0}] [L1240] 0 z = d VAL [d={-2:0}, id={9:0}, m={3:0}, z={-2:0}] [L1241] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, d={-2:0}, id={9:0}, m={3:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1, z={-2:0}] [L1243] EXPR 0 d->x VAL [arg={0:0}, d={-2:0}, d->x=104, id={9:0}, m={3:0}, z={-2:0}] [L1243] 0 printf("%d\n",d->x) VAL [arg={0:0}, d={-2:0}, d->x=104, id={9:0}, m={3:0}, z={-2:0}] [L1245] EXPR 0 z->y VAL [arg={0:0}, d={-2:0}, id={9:0}, m={3:0}, z={-2:0}, z->y=102] [L1231] EXPR 1 d->x VAL [arg={0:0}, arg={0:0}, d={-2:0}, m={3:0}] [L1231] 1 d->x = 3 VAL [arg={0:0}, arg={0:0}, d={-2:0}, m={3:0}] [L1232] EXPR 1 d->y VAL [arg={0:0}, arg={0:0}, d={-2:0}, m={3:0}] [L1232] 1 d->y = 8 VAL [arg={0:0}, arg={0:0}, d={-2:0}, d->y = 8=103, m={3:0}] [L1245] 0 printf("%d\n",z->y) VAL [arg={0:0}, arg={0:0}, d={-2:0}, d->y = 8=103, id={9:0}, m={3:0}, z={-2:0}, z->y=102] 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: d->x = 3 [1231] * C: d->x = 3 [1231] * C: d = malloc(sizeof(data)) [1239] * C: d->x = 3 [1231] * C: d->x = 3 [1231] * C: d->y = 8 [1232] and C: printf("%d\n",z->y) [1245] - UnprovableResult [Line: 1239]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1240]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1243]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1243]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1241]: 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: 1231]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1231]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1232]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1232]: 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, 14 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 519 NumberOfCodeBlocks, 519 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 430 ConstructedInterpolants, 0 QuantifiedInterpolants, 1470 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-03-04 04:44:07,289 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-03-04 04:44:07,497 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...