/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-wrwc.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-03 21:53:47,763 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-03 21:53:47,764 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-03 21:53:47,824 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-03 21:53:47,825 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-03 21:53:47,827 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-03 21:53:47,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-03 21:53:47,836 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-03 21:53:47,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-03 21:53:47,841 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-03 21:53:47,842 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-03 21:53:47,843 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-03 21:53:47,843 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-03 21:53:47,844 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-03 21:53:47,845 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-03 21:53:47,845 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-03 21:53:47,846 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-03 21:53:47,847 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-03 21:53:47,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-03 21:53:47,849 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-03 21:53:47,850 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-03 21:53:47,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-03 21:53:47,854 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-03 21:53:47,855 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-03 21:53:47,857 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-03 21:53:47,860 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-03 21:53:47,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-03 21:53:47,861 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-03 21:53:47,861 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-03 21:53:47,862 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-03 21:53:47,862 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-03 21:53:47,868 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-03 21:53:47,869 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-03 21:53:47,869 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-03 21:53:47,870 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-03 21:53:47,871 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-03 21:53:47,872 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-wrwc.epf [2022-03-03 21:53:47,904 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-03 21:53:47,904 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-03 21:53:47,905 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-03 21:53:47,905 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-03 21:53:47,906 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-03 21:53:47,906 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-03 21:53:47,907 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-03 21:53:47,907 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-03 21:53:47,907 INFO L138 SettingsManager]: * Use SBE=true [2022-03-03 21:53:47,907 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-03 21:53:47,908 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-03 21:53:47,908 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-03 21:53:47,908 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-03 21:53:47,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-03 21:53:47,908 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-03 21:53:47,908 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-03 21:53:47,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-03 21:53:47,909 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-03 21:53:47,909 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-03 21:53:47,909 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-03 21:53:47,909 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-03 21:53:47,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-03 21:53:47,909 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-03 21:53:47,909 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-03 21:53:47,910 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-03 21:53:47,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-03 21:53:47,911 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-03 21:53:47,911 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-03 21:53:47,911 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-03 21:53:47,911 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-03 21:53:47,911 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-03 21:53:47,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-03 21:53:47,912 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-03 21:53:47,912 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-03 21:53:47,912 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-03 21:53:47,912 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-03 21:53:47,912 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-03-03 21:53:47,912 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-03 21:53:47,912 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-03 21:53:48,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-03 21:53:48,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-03 21:53:48,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-03 21:53:48,184 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-03 21:53:48,184 INFO L275 PluginConnector]: CDTParser initialized [2022-03-03 21:53:48,185 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i [2022-03-03 21:53:48,249 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/224dde368/327dda64a1a64e9d9da10917e2d6f851/FLAG5cead6b2c [2022-03-03 21:53:48,619 INFO L306 CDTParser]: Found 1 translation units. [2022-03-03 21:53:48,620 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i [2022-03-03 21:53:48,631 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/224dde368/327dda64a1a64e9d9da10917e2d6f851/FLAG5cead6b2c [2022-03-03 21:53:48,984 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/224dde368/327dda64a1a64e9d9da10917e2d6f851 [2022-03-03 21:53:48,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-03 21:53:48,987 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-03 21:53:48,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-03 21:53:48,991 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-03 21:53:48,996 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-03 21:53:48,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 09:53:48" (1/1) ... [2022-03-03 21:53:48,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25b3399e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 09:53:48, skipping insertion in model container [2022-03-03 21:53:48,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 09:53:48" (1/1) ... [2022-03-03 21:53:49,004 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-03 21:53:49,037 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-03 21:53:49,195 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i[1103,1116] [2022-03-03 21:53:49,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-03 21:53:49,319 INFO L203 MainTranslator]: Completed pre-run [2022-03-03 21:53:49,334 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i[1103,1116] [2022-03-03 21:53:49,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-03 21:53:49,405 INFO L208 MainTranslator]: Completed translation [2022-03-03 21:53:49,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 09:53:49 WrapperNode [2022-03-03 21:53:49,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-03 21:53:49,406 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-03 21:53:49,406 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-03 21:53:49,406 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-03 21:53:49,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 09:53:49" (1/1) ... [2022-03-03 21:53:49,423 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 09:53:49" (1/1) ... [2022-03-03 21:53:49,445 INFO L137 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-03-03 21:53:49,445 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-03 21:53:49,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-03 21:53:49,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-03 21:53:49,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-03 21:53:49,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 09:53:49" (1/1) ... [2022-03-03 21:53:49,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 09:53:49" (1/1) ... [2022-03-03 21:53:49,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 09:53:49" (1/1) ... [2022-03-03 21:53:49,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 09:53:49" (1/1) ... [2022-03-03 21:53:49,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 09:53:49" (1/1) ... [2022-03-03 21:53:49,461 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 09:53:49" (1/1) ... [2022-03-03 21:53:49,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 09:53:49" (1/1) ... [2022-03-03 21:53:49,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-03 21:53:49,465 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-03 21:53:49,465 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-03 21:53:49,465 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-03 21:53:49,465 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 09:53:49" (1/1) ... [2022-03-03 21:53:49,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-03 21:53:49,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 21:53:49,512 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) [2022-03-03 21:53:49,536 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 [2022-03-03 21:53:49,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-03 21:53:49,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-03 21:53:49,558 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-03 21:53:49,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-03 21:53:49,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-03 21:53:49,559 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-03 21:53:49,559 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-03 21:53:49,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-03 21:53:49,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-03 21:53:49,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-03 21:53:49,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-03 21:53:49,560 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-03 21:53:49,718 INFO L234 CfgBuilder]: Building ICFG [2022-03-03 21:53:49,720 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-03 21:53:49,838 INFO L275 CfgBuilder]: Performing block encoding [2022-03-03 21:53:49,844 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-03 21:53:49,844 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-03 21:53:49,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.03 09:53:49 BoogieIcfgContainer [2022-03-03 21:53:49,845 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-03 21:53:49,847 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-03 21:53:49,847 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-03 21:53:49,850 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-03 21:53:49,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 09:53:48" (1/3) ... [2022-03-03 21:53:49,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2780abef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 09:53:49, skipping insertion in model container [2022-03-03 21:53:49,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 09:53:49" (2/3) ... [2022-03-03 21:53:49,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2780abef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 09:53:49, skipping insertion in model container [2022-03-03 21:53:49,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.03 09:53:49" (3/3) ... [2022-03-03 21:53:49,852 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_neg.i [2022-03-03 21:53:49,856 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-03 21:53:49,857 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-03 21:53:49,857 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-03 21:53:49,857 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-03 21:53:49,880 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 21:53:49,880 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 21:53:49,880 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 21:53:49,880 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 21:53:49,881 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 21:53:49,881 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 21:53:49,881 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 21:53:49,881 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 21:53:49,881 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 21:53:49,882 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 21:53:49,882 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 21:53:49,882 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 21:53:49,882 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 21:53:49,883 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 21:53:49,883 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 21:53:49,883 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 21:53:49,883 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 21:53:49,884 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 21:53:49,884 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 21:53:49,884 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 21:53:49,884 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 21:53:49,885 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 21:53:49,885 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 21:53:49,885 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 21:53:49,888 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 21:53:49,888 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 21:53:49,888 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 21:53:49,888 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 21:53:49,888 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 21:53:49,888 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 21:53:49,889 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 21:53:49,892 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-03-03 21:53:49,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-03 21:53:49,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 21:53:49,935 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) [2022-03-03 21:53:49,939 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 [2022-03-03 21:53:49,963 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-03 21:53:49,970 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=false [2022-03-03 21:53:49,970 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-03-03 21:53:50,022 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 52 transitions and produced 53 states. [2022-03-03 21:53:50,024 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-03 21:53:50,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 21:53:50,029 INFO L85 PathProgramCache]: Analyzing trace with hash -881270525, now seen corresponding path program 1 times [2022-03-03 21:53:50,037 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 21:53:50,037 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512988029] [2022-03-03 21:53:50,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 21:53:50,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 21:53:50,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 21:53:50,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 21:53:50,370 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 21:53:50,371 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512988029] [2022-03-03 21:53:50,371 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512988029] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 21:53:50,372 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 21:53:50,372 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-03 21:53:50,378 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119556988] [2022-03-03 21:53:50,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 21:53:50,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-03 21:53:50,391 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 21:53:50,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-03 21:53:50,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-03 21:53:50,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-03 21:53:50,419 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-03 21:53:50,420 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 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) [2022-03-03 21:53:50,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-03 21:53:50,550 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 151 transitions and produced 105 states. [2022-03-03 21:53:50,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-03 21:53:50,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-03 21:53:50,551 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-03 21:53:50,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 21:53:50,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1476516800, now seen corresponding path program 1 times [2022-03-03 21:53:50,554 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 21:53:50,554 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651881939] [2022-03-03 21:53:50,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 21:53:50,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 21:53:50,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 21:53:50,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 21:53:50,757 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 21:53:50,757 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651881939] [2022-03-03 21:53:50,758 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651881939] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 21:53:50,758 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 21:53:50,758 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-03 21:53:50,758 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457487530] [2022-03-03 21:53:50,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 21:53:50,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 21:53:50,761 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 21:53:50,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 21:53:50,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-03 21:53:50,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-03 21:53:50,766 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-03 21:53:50,772 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 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) [2022-03-03 21:53:50,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-03 21:53:50,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-03 21:53:50,882 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 138 transitions and produced 111 states. [2022-03-03 21:53:50,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-03 21:53:50,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-03 21:53:50,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-03 21:53:50,883 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-03 21:53:50,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 21:53:50,884 INFO L85 PathProgramCache]: Analyzing trace with hash 576623755, now seen corresponding path program 1 times [2022-03-03 21:53:50,884 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 21:53:50,885 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239423145] [2022-03-03 21:53:50,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 21:53:50,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 21:53:50,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-03 21:53:50,931 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-03 21:53:50,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-03 21:53:50,979 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-03 21:53:50,979 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-03 21:53:50,980 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-03-03 21:53:50,982 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-03-03 21:53:50,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-03 21:53:50,991 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-03-03 21:53:50,995 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-03 21:53:50,995 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-03 21:53:51,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 09:53:51 BasicIcfg [2022-03-03 21:53:51,026 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-03 21:53:51,026 INFO L158 Benchmark]: Toolchain (without parser) took 2039.40ms. Allocated memory was 194.0MB in the beginning and 248.5MB in the end (delta: 54.5MB). Free memory was 142.3MB in the beginning and 134.9MB in the end (delta: 7.4MB). Peak memory consumption was 61.1MB. Max. memory is 8.0GB. [2022-03-03 21:53:51,027 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 194.0MB. Free memory was 159.9MB in the beginning and 159.9MB in the end (delta: 74.6kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-03 21:53:51,027 INFO L158 Benchmark]: CACSL2BoogieTranslator took 414.43ms. Allocated memory was 194.0MB in the beginning and 248.5MB in the end (delta: 54.5MB). Free memory was 142.1MB in the beginning and 217.3MB in the end (delta: -75.2MB). Peak memory consumption was 11.8MB. Max. memory is 8.0GB. [2022-03-03 21:53:51,028 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.16ms. Allocated memory is still 248.5MB. Free memory was 217.3MB in the beginning and 215.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-03 21:53:51,028 INFO L158 Benchmark]: Boogie Preprocessor took 18.13ms. Allocated memory is still 248.5MB. Free memory was 215.7MB in the beginning and 214.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-03 21:53:51,028 INFO L158 Benchmark]: RCFGBuilder took 380.99ms. Allocated memory is still 248.5MB. Free memory was 214.1MB in the beginning and 202.1MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-03-03 21:53:51,029 INFO L158 Benchmark]: TraceAbstraction took 1178.91ms. Allocated memory is still 248.5MB. Free memory was 201.5MB in the beginning and 134.9MB in the end (delta: 66.6MB). Peak memory consumption was 66.1MB. Max. memory is 8.0GB. [2022-03-03 21:53:51,031 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 194.0MB. Free memory was 159.9MB in the beginning and 159.9MB in the end (delta: 74.6kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 414.43ms. Allocated memory was 194.0MB in the beginning and 248.5MB in the end (delta: 54.5MB). Free memory was 142.1MB in the beginning and 217.3MB in the end (delta: -75.2MB). Peak memory consumption was 11.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 39.16ms. Allocated memory is still 248.5MB. Free memory was 217.3MB in the beginning and 215.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.13ms. Allocated memory is still 248.5MB. Free memory was 215.7MB in the beginning and 214.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 380.99ms. Allocated memory is still 248.5MB. Free memory was 214.1MB in the beginning and 202.1MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 1178.91ms. Allocated memory is still 248.5MB. Free memory was 201.5MB in the beginning and 134.9MB in the end (delta: 66.6MB). Peak memory consumption was 66.1MB. 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 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L681] 0 int glob1 = 0; VAL [glob1=0] [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}] [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}, mutex2={4:0}] [L696] 0 pthread_t id; VAL [glob1=0, id={5:0}, mutex1={3:0}, mutex2={4:0}] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob1=0, id={5:0}, mutex1={3:0}, mutex2={4:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L687] 1 glob1 = 5 VAL [arg={0:0}, arg={0:0}, glob1=5, mutex1={3:0}, mutex2={4:0}] [L699] CALL 0 __VERIFIER_assert(!(glob1 == 5)) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, arg={0:0}, arg={0:0}, cond=0, glob1=5, mutex1={3:0}, mutex2={4:0}] [L19] 0 reach_error() VAL [\old(cond)=0, arg={0:0}, arg={0:0}, cond=0, glob1=5, mutex1={3:0}, mutex2={4:0}] - UnprovableResult [Line: 697]: 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. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 87 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 12, 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, 0.3s InterpolantComputationTime, 139 NumberOfCodeBlocks, 139 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 279 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 proved your program to be incorrect! [2022-03-03 21:53:51,069 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 [2022-03-03 21:53:51,263 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...