/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.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/00-sanity_09-include.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 22:55:15,827 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 22:55:15,828 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 22:55:15,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-09 22:55:15,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-09 22:55:15,884 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-09 22:55:15,885 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-09 22:55:15,892 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-09 22:55:15,893 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-09 22:55:15,893 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-09 22:55:15,894 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-09 22:55:15,895 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-09 22:55:15,895 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-09 22:55:15,895 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-09 22:55:15,896 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-09 22:55:15,897 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-09 22:55:15,897 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-09 22:55:15,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-09 22:55:15,899 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-09 22:55:15,900 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-09 22:55:15,901 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-09 22:55:15,908 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-09 22:55:15,909 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-09 22:55:15,909 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-09 22:55:15,911 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-09 22:55:15,911 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-09 22:55:15,911 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-09 22:55:15,912 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-09 22:55:15,912 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-09 22:55:15,913 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-09 22:55:15,913 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-09 22:55:15,913 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-09 22:55:15,914 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-09 22:55:15,914 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-09 22:55:15,915 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-09 22:55:15,915 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-09 22:55:15,915 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-09 22:55:15,916 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-09 22:55:15,916 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 22:55:15,916 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 22:55:15,917 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 22:55:15,919 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.epf [2022-02-09 22:55:15,933 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 22:55:15,934 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 22:55:15,934 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 22:55:15,934 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 22:55:15,934 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 22:55:15,935 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 22:55:15,935 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 22:55:15,935 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 22:55:15,935 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 22:55:15,935 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 22:55:15,935 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 22:55:15,936 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 22:55:15,936 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 22:55:15,936 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 22:55:15,936 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 22:55:15,936 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 22:55:15,936 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 22:55:15,936 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 22:55:15,936 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 22:55:15,937 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 22:55:15,937 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 22:55:15,937 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 22:55:15,937 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 22:55:15,937 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 22:55:15,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 22:55:15,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 22:55:15,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 22:55:15,938 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-09 22:55:15,938 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 22:55:15,938 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 22:55:15,938 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 22:55:15,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 22:55:15,938 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 22:55:15,938 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 22:55:15,938 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 22:55:15,938 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-09 22:55:15,939 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-09 22:55:16,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 22:55:16,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 22:55:16,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 22:55:16,157 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-09 22:55:16,158 INFO L275 PluginConnector]: CDTParser initialized [2022-02-09 22:55:16,158 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/00-sanity_09-include.i [2022-02-09 22:55:16,203 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81a04c845/a1607ad9ac7f48b6b963453e71205a6f/FLAGe582df579 [2022-02-09 22:55:16,589 INFO L306 CDTParser]: Found 1 translation units. [2022-02-09 22:55:16,589 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/00-sanity_09-include.i [2022-02-09 22:55:16,600 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81a04c845/a1607ad9ac7f48b6b963453e71205a6f/FLAGe582df579 [2022-02-09 22:55:16,942 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81a04c845/a1607ad9ac7f48b6b963453e71205a6f [2022-02-09 22:55:16,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 22:55:16,945 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-09 22:55:16,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-09 22:55:16,946 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-09 22:55:16,954 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-09 22:55:16,954 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 10:55:16" (1/1) ... [2022-02-09 22:55:16,956 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23b702dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:55:16, skipping insertion in model container [2022-02-09 22:55:16,956 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 10:55:16" (1/1) ... [2022-02-09 22:55:16,960 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-09 22:55:16,981 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-09 22:55:17,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 22:55:17,284 INFO L203 MainTranslator]: Completed pre-run [2022-02-09 22:55:17,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 22:55:17,347 INFO L208 MainTranslator]: Completed translation [2022-02-09 22:55:17,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:55:17 WrapperNode [2022-02-09 22:55:17,348 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-09 22:55:17,348 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 22:55:17,348 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 22:55:17,348 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 22:55:17,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:55:17" (1/1) ... [2022-02-09 22:55:17,370 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:55:17" (1/1) ... [2022-02-09 22:55:17,381 INFO L137 Inliner]: procedures = 264, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2022-02-09 22:55:17,382 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 22:55:17,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 22:55:17,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 22:55:17,382 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 22:55:17,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:55:17" (1/1) ... [2022-02-09 22:55:17,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:55:17" (1/1) ... [2022-02-09 22:55:17,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:55:17" (1/1) ... [2022-02-09 22:55:17,388 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:55:17" (1/1) ... [2022-02-09 22:55:17,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:55:17" (1/1) ... [2022-02-09 22:55:17,392 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:55:17" (1/1) ... [2022-02-09 22:55:17,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:55:17" (1/1) ... [2022-02-09 22:55:17,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 22:55:17,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 22:55:17,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 22:55:17,394 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 22:55:17,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:55:17" (1/1) ... [2022-02-09 22:55:17,399 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 22:55:17,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 22:55:17,413 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) [2022-02-09 22:55:17,419 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 [2022-02-09 22:55:17,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-09 22:55:17,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-09 22:55:17,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-09 22:55:17,435 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-09 22:55:17,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-09 22:55:17,435 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-09 22:55:17,435 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-09 22:55:17,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-09 22:55:17,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 22:55:17,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 22:55:17,436 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 22:55:17,582 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 22:55:17,583 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 22:55:17,712 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 22:55:17,716 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 22:55:17,717 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-09 22:55:17,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 10:55:17 BoogieIcfgContainer [2022-02-09 22:55:17,718 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 22:55:17,719 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 22:55:17,719 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 22:55:17,722 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 22:55:17,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.02 10:55:16" (1/3) ... [2022-02-09 22:55:17,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6435f1e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 10:55:17, skipping insertion in model container [2022-02-09 22:55:17,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:55:17" (2/3) ... [2022-02-09 22:55:17,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6435f1e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 10:55:17, skipping insertion in model container [2022-02-09 22:55:17,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 10:55:17" (3/3) ... [2022-02-09 22:55:17,724 INFO L111 eAbstractionObserver]: Analyzing ICFG 00-sanity_09-include.i [2022-02-09 22:55:17,727 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 22:55:17,727 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 22:55:17,727 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-02-09 22:55:17,727 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 22:55:17,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:55:17,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:55:17,749 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:55:17,749 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:55:17,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:55:17,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:55:17,750 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:55:17,750 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:55:17,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:55:17,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:55:17,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:55:17,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:55:17,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:55:17,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:55:17,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:55:17,756 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:55:17,757 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:55:17,757 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:55:17,757 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:55:17,757 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:55:17,757 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:55:17,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:55:17,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:55:17,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:55:17,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:55:17,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:55:17,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:55:17,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:55:17,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:55:17,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:55:17,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:55:17,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:55:17,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:55:17,768 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:55:17,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:55:17,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:55:17,768 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:55:17,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:55:17,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:55:17,770 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-09 22:55:17,807 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 22:55:17,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 22:55:17,809 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) [2022-02-09 22:55:17,810 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 [2022-02-09 22:55:17,833 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 22:55:17,838 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 [2022-02-09 22:55:17,839 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-02-09 22:55:17,869 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 30 transitions and produced 31 states. [2022-02-09 22:55:17,871 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 22:55:17,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 22:55:17,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1480001371, now seen corresponding path program 1 times [2022-02-09 22:55:17,880 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 22:55:17,880 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752485841] [2022-02-09 22:55:17,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 22:55:17,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 22:55:17,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 22:55:18,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 22:55:18,052 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 22:55:18,052 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752485841] [2022-02-09 22:55:18,052 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752485841] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 22:55:18,052 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 22:55:18,052 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 22:55:18,053 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738123878] [2022-02-09 22:55:18,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 22:55:18,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 22:55:18,057 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 22:55:18,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 22:55:18,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 22:55:18,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 22:55:18,072 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 22:55:18,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 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) [2022-02-09 22:55:18,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 22:55:18,097 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 41 transitions and produced 42 states. [2022-02-09 22:55:18,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 22:55:18,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 22:55:18,099 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 22:55:18,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 22:55:18,100 INFO L85 PathProgramCache]: Analyzing trace with hash -962745479, now seen corresponding path program 1 times [2022-02-09 22:55:18,100 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 22:55:18,100 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163127533] [2022-02-09 22:55:18,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 22:55:18,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 22:55:18,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 22:55:18,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 22:55:18,139 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 22:55:18,139 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163127533] [2022-02-09 22:55:18,139 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163127533] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 22:55:18,139 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 22:55:18,139 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 22:55:18,139 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314953013] [2022-02-09 22:55:18,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 22:55:18,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 22:55:18,140 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 22:55:18,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 22:55:18,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 22:55:18,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 22:55:18,141 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 22:55:18,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2022-02-09 22:55:18,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 22:55:18,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 22:55:18,182 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 68 transitions and produced 69 states. [2022-02-09 22:55:18,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 22:55:18,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 22:55:18,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-09 22:55:18,184 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 22:55:18,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 22:55:18,184 INFO L85 PathProgramCache]: Analyzing trace with hash -839903506, now seen corresponding path program 1 times [2022-02-09 22:55:18,184 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 22:55:18,184 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274745755] [2022-02-09 22:55:18,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 22:55:18,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 22:55:18,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 22:55:18,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 22:55:18,244 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 22:55:18,245 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274745755] [2022-02-09 22:55:18,245 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274745755] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 22:55:18,245 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 22:55:18,245 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 22:55:18,246 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847697850] [2022-02-09 22:55:18,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 22:55:18,247 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 22:55:18,247 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 22:55:18,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 22:55:18,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 22:55:18,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 22:55:18,248 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 22:55:18,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2022-02-09 22:55:18,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 22:55:18,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 22:55:18,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 22:55:18,326 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 233 transitions and produced 156 states. [2022-02-09 22:55:18,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 22:55:18,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 22:55:18,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 22:55:18,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-09 22:55:18,328 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 22:55:18,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 22:55:18,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1590750281, now seen corresponding path program 1 times [2022-02-09 22:55:18,328 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 22:55:18,328 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757255098] [2022-02-09 22:55:18,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 22:55:18,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 22:55:18,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 22:55:18,361 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-09 22:55:18,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 22:55:18,386 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-09 22:55:18,387 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-09 22:55:18,391 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-02-09 22:55:18,392 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-02-09 22:55:18,394 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2022-02-09 22:55:18,396 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-02-09 22:55:18,397 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-02-09 22:55:18,397 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-02-09 22:55:18,397 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-02-09 22:55:18,397 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-09 22:55:18,402 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-02-09 22:55:18,406 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 22:55:18,406 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 22:55:18,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 10:55:18 BasicIcfg [2022-02-09 22:55:18,442 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 22:55:18,444 INFO L158 Benchmark]: Toolchain (without parser) took 1497.88ms. Allocated memory is still 177.2MB. Free memory was 125.7MB in the beginning and 74.0MB in the end (delta: 51.7MB). Peak memory consumption was 50.2MB. Max. memory is 8.0GB. [2022-02-09 22:55:18,445 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 177.2MB. Free memory was 143.7MB in the beginning and 143.6MB in the end (delta: 74.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 22:55:18,447 INFO L158 Benchmark]: CACSL2BoogieTranslator took 401.90ms. Allocated memory is still 177.2MB. Free memory was 125.6MB in the beginning and 138.0MB in the end (delta: -12.4MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-02-09 22:55:18,447 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.60ms. Allocated memory is still 177.2MB. Free memory was 138.0MB in the beginning and 135.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 22:55:18,447 INFO L158 Benchmark]: Boogie Preprocessor took 11.57ms. Allocated memory is still 177.2MB. Free memory was 135.9MB in the beginning and 134.8MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-09 22:55:18,448 INFO L158 Benchmark]: RCFGBuilder took 323.84ms. Allocated memory is still 177.2MB. Free memory was 134.8MB in the beginning and 123.8MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-02-09 22:55:18,448 INFO L158 Benchmark]: TraceAbstraction took 723.34ms. Allocated memory is still 177.2MB. Free memory was 123.3MB in the beginning and 74.0MB in the end (delta: 49.3MB). Peak memory consumption was 49.3MB. Max. memory is 8.0GB. [2022-02-09 22:55:18,452 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 177.2MB. Free memory was 143.7MB in the beginning and 143.6MB in the end (delta: 74.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 401.90ms. Allocated memory is still 177.2MB. Free memory was 125.6MB in the beginning and 138.0MB in the end (delta: -12.4MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 33.60ms. Allocated memory is still 177.2MB. Free memory was 138.0MB in the beginning and 135.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 11.57ms. Allocated memory is still 177.2MB. Free memory was 135.9MB in the beginning and 134.8MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 323.84ms. Allocated memory is still 177.2MB. Free memory was 134.8MB in the beginning and 123.8MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 723.34ms. Allocated memory is still 177.2MB. Free memory was 123.3MB in the beginning and 74.0MB in the end (delta: 49.3MB). Peak memory consumption was 49.3MB. 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: 998]: Data race detected Data race detected The following path leads to a data race: [L987] 0 int glob; VAL [glob=0] [L988] 0 pthread_mutex_t mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [glob=0, mutex={1:0}] [L996] 0 pthread_t id; VAL [glob=0, id={2:0}, mutex={1:0}] [L997] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob=0, id={2:0}, mutex={1:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L998] 0 glob++ VAL [arg={0:0}, glob=1, glob++=25, glob++=0, id={2:0}, mutex={1:0}] [L991] 1 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, mutex={1:0}] [L998] 0 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=25, glob++=0, id={2:0}, mutex={1:0}] Now there is a data race on ~glob~0 between C: glob++ [991] and C: glob++ [998] - UnprovableResult [Line: 998]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 997]: 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: 991]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 991]: 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, 78 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 137 NumberOfCodeBlocks, 137 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 100 ConstructedInterpolants, 0 QuantifiedInterpolants, 106 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 [2022-02-09 22:55:18,511 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-02-09 22:55:18,712 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...