/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-MCRwithoutDepranks-Lazy.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 [2022-03-04 08:20:13,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 08:20:13,144 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 08:20:13,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-04 08:20:13,166 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-04 08:20:13,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-04 08:20:13,167 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-04 08:20:13,168 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-04 08:20:13,169 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-04 08:20:13,170 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-04 08:20:13,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-04 08:20:13,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-04 08:20:13,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-04 08:20:13,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-04 08:20:13,174 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-04 08:20:13,175 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-04 08:20:13,176 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-04 08:20:13,176 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-04 08:20:13,177 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-04 08:20:13,178 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-04 08:20:13,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-04 08:20:13,187 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-04 08:20:13,188 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-04 08:20:13,188 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-04 08:20:13,190 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-04 08:20:13,190 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-04 08:20:13,190 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-04 08:20:13,191 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-04 08:20:13,191 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-04 08:20:13,192 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-04 08:20:13,192 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-04 08:20:13,192 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-04 08:20:13,193 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-04 08:20:13,193 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-04 08:20:13,194 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-04 08:20:13,194 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-04 08:20:13,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-04 08:20:13,194 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-04 08:20:13,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-04 08:20:13,195 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-04 08:20:13,195 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-04 08:20:13,196 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-MCRwithoutDepranks-Lazy.epf [2022-03-04 08:20:13,210 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 08:20:13,210 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 08:20:13,210 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 08:20:13,210 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 08:20:13,211 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 08:20:13,211 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 08:20:13,211 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 08:20:13,212 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 08:20:13,212 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 08:20:13,212 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 08:20:13,212 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 08:20:13,212 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 08:20:13,212 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 08:20:13,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 08:20:13,212 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 08:20:13,212 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 08:20:13,213 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 08:20:13,213 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 08:20:13,213 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 08:20:13,213 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 08:20:13,213 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 08:20:13,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 08:20:13,213 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 08:20:13,213 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 08:20:13,213 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 08:20:13,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 08:20:13,214 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 08:20:13,214 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 08:20:13,214 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 08:20:13,214 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 08:20:13,214 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 08:20:13,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 08:20:13,214 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 08:20:13,214 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 08:20:13,214 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 08:20:13,214 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-04 08:20:13,214 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-04 08:20:13,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 08:20:13,372 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 08:20:13,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 08:20:13,374 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-04 08:20:13,375 INFO L275 PluginConnector]: CDTParser initialized [2022-03-04 08:20:13,376 INFO L432 ainManager$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 [2022-03-04 08:20:13,432 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89ead8dd4/b6dfe3792ddf4384ad83844df9898220/FLAGf352b7aa6 [2022-03-04 08:20:13,901 INFO L306 CDTParser]: Found 1 translation units. [2022-03-04 08:20:13,902 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i [2022-03-04 08:20:13,916 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89ead8dd4/b6dfe3792ddf4384ad83844df9898220/FLAGf352b7aa6 [2022-03-04 08:20:14,400 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89ead8dd4/b6dfe3792ddf4384ad83844df9898220 [2022-03-04 08:20:14,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 08:20:14,402 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-04 08:20:14,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-04 08:20:14,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-04 08:20:14,407 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-04 08:20:14,408 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 08:20:14" (1/1) ... [2022-03-04 08:20:14,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@205c18ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:20:14, skipping insertion in model container [2022-03-04 08:20:14,409 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 08:20:14" (1/1) ... [2022-03-04 08:20:14,413 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-04 08:20:14,437 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-04 08:20:14,561 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] [2022-03-04 08:20:14,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-04 08:20:14,666 INFO L203 MainTranslator]: Completed pre-run [2022-03-04 08:20:14,677 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] [2022-03-04 08:20:14,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-04 08:20:14,729 INFO L208 MainTranslator]: Completed translation [2022-03-04 08:20:14,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:20:14 WrapperNode [2022-03-04 08:20:14,729 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-04 08:20:14,730 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 08:20:14,730 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 08:20:14,730 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 08:20:14,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:20:14" (1/1) ... [2022-03-04 08:20:14,742 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:20:14" (1/1) ... [2022-03-04 08:20:14,761 INFO L137 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-03-04 08:20:14,761 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 08:20:14,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 08:20:14,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 08:20:14,762 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 08:20:14,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:20:14" (1/1) ... [2022-03-04 08:20:14,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:20:14" (1/1) ... [2022-03-04 08:20:14,768 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:20:14" (1/1) ... [2022-03-04 08:20:14,768 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:20:14" (1/1) ... [2022-03-04 08:20:14,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:20:14" (1/1) ... [2022-03-04 08:20:14,775 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:20:14" (1/1) ... [2022-03-04 08:20:14,775 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:20:14" (1/1) ... [2022-03-04 08:20:14,777 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 08:20:14,778 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 08:20:14,778 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 08:20:14,778 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 08:20:14,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:20:14" (1/1) ... [2022-03-04 08:20:14,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 08:20:14,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 08:20:14,803 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-04 08:20:14,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-04 08:20:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-04 08:20:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-04 08:20:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-04 08:20:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-04 08:20:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-04 08:20:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-04 08:20:14,830 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-04 08:20:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-04 08:20:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-04 08:20:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 08:20:14,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 08:20:14,831 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-04 08:20:14,929 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 08:20:14,930 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 08:20:15,061 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 08:20:15,067 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 08:20:15,067 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-04 08:20:15,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 08:20:15 BoogieIcfgContainer [2022-03-04 08:20:15,069 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 08:20:15,070 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 08:20:15,070 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 08:20:15,073 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 08:20:15,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 08:20:14" (1/3) ... [2022-03-04 08:20:15,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c1c344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 08:20:15, skipping insertion in model container [2022-03-04 08:20:15,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:20:14" (2/3) ... [2022-03-04 08:20:15,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c1c344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 08:20:15, skipping insertion in model container [2022-03-04 08:20:15,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 08:20:15" (3/3) ... [2022-03-04 08:20:15,077 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_neg.i [2022-03-04 08:20:15,081 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 08:20:15,081 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 08:20:15,081 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-04 08:20:15,081 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 08:20:15,110 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:20:15,110 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:20:15,110 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:20:15,110 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:20:15,110 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:20:15,110 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:20:15,111 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:20:15,111 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:20:15,111 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:20:15,111 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:20:15,111 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:20:15,111 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:20:15,111 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:20:15,112 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:20:15,112 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:20:15,112 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:20:15,112 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:20:15,112 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:20:15,112 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:20:15,113 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:20:15,113 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:20:15,113 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:20:15,113 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:20:15,113 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:20:15,118 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:20:15,119 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:20:15,119 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:20:15,119 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:20:15,119 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:20:15,119 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:20:15,119 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:20:15,122 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-03-04 08:20:15,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 08:20:15,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 08:20:15,155 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-04 08:20:15,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-04 08:20:15,179 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 08:20:15,184 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=true, mMcrOverapproximateWrwc=true [2022-03-04 08:20:15,184 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-03-04 08:20:15,228 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 52 transitions and produced 53 states. [2022-03-04 08:20:15,230 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-04 08:20:15,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 08:20:15,239 INFO L85 PathProgramCache]: Analyzing trace with hash -881270525, now seen corresponding path program 1 times [2022-03-04 08:20:15,245 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 08:20:15,245 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136388584] [2022-03-04 08:20:15,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 08:20:15,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 08:20:15,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 08:20:15,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 08:20:15,425 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 08:20:15,425 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136388584] [2022-03-04 08:20:15,426 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136388584] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 08:20:15,426 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 08:20:15,426 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-04 08:20:15,427 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766480800] [2022-03-04 08:20:15,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 08:20:15,430 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-04 08:20:15,431 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 08:20:15,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-04 08:20:15,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-04 08:20:15,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 08:20:15,448 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 08:20:15,448 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) [2022-03-04 08:20:15,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 08:20:16,314 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 5778 transitions and produced 5779 states. [2022-03-04 08:20:16,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 08:20:16,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-04 08:20:16,315 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-04 08:20:16,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 08:20:16,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1476516800, now seen corresponding path program 1 times [2022-03-04 08:20:16,318 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 08:20:16,318 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411919084] [2022-03-04 08:20:16,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 08:20:16,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 08:20:16,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 08:20:16,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 08:20:16,459 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 08:20:16,460 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411919084] [2022-03-04 08:20:16,460 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411919084] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 08:20:16,460 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 08:20:16,460 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-04 08:20:16,460 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022451313] [2022-03-04 08:20:16,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 08:20:16,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-04 08:20:16,462 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 08:20:16,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-04 08:20:16,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-04 08:20:16,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 08:20:16,465 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 08:20:16,465 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) [2022-03-04 08:20:16,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 08:20:16,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 08:20:16,569 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 716 transitions and produced 717 states. [2022-03-04 08:20:16,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 08:20:16,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 08:20:16,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-04 08:20:16,570 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-04 08:20:16,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 08:20:16,571 INFO L85 PathProgramCache]: Analyzing trace with hash 576623755, now seen corresponding path program 1 times [2022-03-04 08:20:16,571 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 08:20:16,571 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100677692] [2022-03-04 08:20:16,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 08:20:16,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 08:20:16,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-04 08:20:16,592 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-04 08:20:16,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-04 08:20:16,641 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-04 08:20:16,642 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-04 08:20:16,642 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-03-04 08:20:16,644 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-03-04 08:20:16,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-04 08:20:16,648 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-03-04 08:20:16,651 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-04 08:20:16,651 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-04 08:20:16,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 08:20:16 BasicIcfg [2022-03-04 08:20:16,675 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-04 08:20:16,676 INFO L158 Benchmark]: Toolchain (without parser) took 2273.50ms. Allocated memory was 204.5MB in the beginning and 423.6MB in the end (delta: 219.2MB). Free memory was 152.5MB in the beginning and 166.5MB in the end (delta: -14.1MB). Peak memory consumption was 205.4MB. Max. memory is 8.0GB. [2022-03-04 08:20:16,676 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 204.5MB. Free memory is still 170.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 08:20:16,677 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.23ms. Allocated memory is still 204.5MB. Free memory was 152.3MB in the beginning and 171.4MB in the end (delta: -19.1MB). Peak memory consumption was 13.5MB. Max. memory is 8.0GB. [2022-03-04 08:20:16,677 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.89ms. Allocated memory is still 204.5MB. Free memory was 171.4MB in the beginning and 169.7MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 08:20:16,677 INFO L158 Benchmark]: Boogie Preprocessor took 15.66ms. Allocated memory is still 204.5MB. Free memory was 169.7MB in the beginning and 168.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-04 08:20:16,678 INFO L158 Benchmark]: RCFGBuilder took 291.37ms. Allocated memory is still 204.5MB. Free memory was 168.2MB in the beginning and 156.3MB in the end (delta: 12.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-03-04 08:20:16,678 INFO L158 Benchmark]: TraceAbstraction took 1605.16ms. Allocated memory was 204.5MB in the beginning and 423.6MB in the end (delta: 219.2MB). Free memory was 156.1MB in the beginning and 166.5MB in the end (delta: -10.5MB). Peak memory consumption was 209.7MB. Max. memory is 8.0GB. [2022-03-04 08:20:16,680 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 204.5MB. Free memory is still 170.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 324.23ms. Allocated memory is still 204.5MB. Free memory was 152.3MB in the beginning and 171.4MB in the end (delta: -19.1MB). Peak memory consumption was 13.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.89ms. Allocated memory is still 204.5MB. Free memory was 171.4MB in the beginning and 169.7MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 15.66ms. Allocated memory is still 204.5MB. Free memory was 169.7MB in the beginning and 168.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 291.37ms. Allocated memory is still 204.5MB. Free memory was 168.2MB in the beginning and 156.3MB in the end (delta: 12.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 1605.16ms. Allocated memory was 204.5MB in the beginning and 423.6MB in the end (delta: 219.2MB). Free memory was 156.1MB in the beginning and 166.5MB in the end (delta: -10.5MB). Peak memory consumption was 209.7MB. 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: 1.5s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.0s, 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, 0.0s SatisfiabilityAnalysisTime, 0.2s 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! [2022-03-04 08:20:16,703 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-03-04 08:20:16,906 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...