/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-820ea7a [2022-02-19 07:06:20,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 07:06:20,711 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 07:06:20,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-19 07:06:20,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-19 07:06:20,758 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-19 07:06:20,762 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-19 07:06:20,767 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-19 07:06:20,769 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-19 07:06:20,773 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-19 07:06:20,775 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-19 07:06:20,776 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-19 07:06:20,776 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 07:06:20,777 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 07:06:20,779 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 07:06:20,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 07:06:20,780 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 07:06:20,781 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 07:06:20,784 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 07:06:20,788 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 07:06:20,789 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 07:06:20,790 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 07:06:20,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 07:06:20,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 07:06:20,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-19 07:06:20,797 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-19 07:06:20,798 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-19 07:06:20,798 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-19 07:06:20,799 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-19 07:06:20,799 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-19 07:06:20,800 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-19 07:06:20,800 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-19 07:06:20,800 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-19 07:06:20,800 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 07:06:20,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 07:06:20,801 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 07:06:20,805 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 [2022-02-19 07:06:20,830 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 07:06:20,830 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 07:06:20,830 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 07:06:20,830 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 07:06:20,831 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 07:06:20,831 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 07:06:20,832 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 07:06:20,832 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 07:06:20,832 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 07:06:20,832 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 07:06:20,833 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 07:06:20,833 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 07:06:20,833 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 07:06:20,833 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 07:06:20,833 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 07:06:20,833 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 07:06:20,833 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 07:06:20,833 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 07:06:20,833 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 07:06:20,833 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 07:06:20,833 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 07:06:20,834 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 07:06:20,834 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 07:06:20,834 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 07:06:20,835 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 07:06:20,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 07:06:20,835 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 07:06:20,835 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 07:06:20,835 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 07:06:20,835 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 07:06:20,835 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 07:06:20,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 07:06:20,836 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 07:06:20,836 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 07:06:20,836 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 07:06:20,836 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-19 07:06:20,836 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-02-19 07:06:20,836 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-02-19 07:06:20,836 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-19 07:06:21,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 07:06:21,056 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 07:06:21,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 07:06:21,059 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-19 07:06:21,060 INFO L275 PluginConnector]: CDTParser initialized [2022-02-19 07:06:21,061 INFO L432 ainManager$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 [2022-02-19 07:06:21,118 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff8102739/b2cc4fc34e1c4f2a8a2fc4f837f145bc/FLAGe66be391c [2022-02-19 07:06:21,616 INFO L306 CDTParser]: Found 1 translation units. [2022-02-19 07:06:21,623 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i [2022-02-19 07:06:21,638 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff8102739/b2cc4fc34e1c4f2a8a2fc4f837f145bc/FLAGe66be391c [2022-02-19 07:06:22,131 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff8102739/b2cc4fc34e1c4f2a8a2fc4f837f145bc [2022-02-19 07:06:22,133 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 07:06:22,134 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-19 07:06:22,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-19 07:06:22,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-19 07:06:22,138 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-19 07:06:22,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 07:06:22" (1/1) ... [2022-02-19 07:06:22,140 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d19fb14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:06:22, skipping insertion in model container [2022-02-19 07:06:22,140 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 07:06:22" (1/1) ... [2022-02-19 07:06:22,146 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-19 07:06:22,182 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-19 07:06:22,392 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] [2022-02-19 07:06:22,477 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 07:06:22,490 INFO L203 MainTranslator]: Completed pre-run [2022-02-19 07:06:22,503 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] [2022-02-19 07:06:22,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 07:06:22,575 INFO L208 MainTranslator]: Completed translation [2022-02-19 07:06:22,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:06:22 WrapperNode [2022-02-19 07:06:22,576 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-19 07:06:22,577 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 07:06:22,577 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 07:06:22,577 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 07:06:22,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:06:22" (1/1) ... [2022-02-19 07:06:22,609 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:06:22" (1/1) ... [2022-02-19 07:06:22,628 INFO L137 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-02-19 07:06:22,628 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 07:06:22,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 07:06:22,629 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 07:06:22,629 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 07:06:22,634 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:06:22" (1/1) ... [2022-02-19 07:06:22,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:06:22" (1/1) ... [2022-02-19 07:06:22,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:06:22" (1/1) ... [2022-02-19 07:06:22,640 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:06:22" (1/1) ... [2022-02-19 07:06:22,653 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:06:22" (1/1) ... [2022-02-19 07:06:22,654 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:06:22" (1/1) ... [2022-02-19 07:06:22,655 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:06:22" (1/1) ... [2022-02-19 07:06:22,656 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 07:06:22,657 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 07:06:22,657 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 07:06:22,657 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 07:06:22,659 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:06:22" (1/1) ... [2022-02-19 07:06:22,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 07:06:22,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 07:06:22,700 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-19 07:06:22,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-19 07:06:22,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-19 07:06:22,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-19 07:06:22,757 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-19 07:06:22,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-19 07:06:22,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-19 07:06:22,757 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-19 07:06:22,757 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-19 07:06:22,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-19 07:06:22,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-19 07:06:22,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 07:06:22,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 07:06:22,758 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-19 07:06:22,893 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 07:06:22,894 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 07:06:23,031 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 07:06:23,036 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 07:06:23,036 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-19 07:06:23,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 07:06:23 BoogieIcfgContainer [2022-02-19 07:06:23,038 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 07:06:23,039 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 07:06:23,039 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 07:06:23,042 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 07:06:23,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 07:06:22" (1/3) ... [2022-02-19 07:06:23,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cac3b8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 07:06:23, skipping insertion in model container [2022-02-19 07:06:23,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:06:22" (2/3) ... [2022-02-19 07:06:23,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cac3b8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 07:06:23, skipping insertion in model container [2022-02-19 07:06:23,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 07:06:23" (3/3) ... [2022-02-19 07:06:23,044 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_neg.i [2022-02-19 07:06:23,047 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 07:06:23,047 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 07:06:23,047 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-19 07:06:23,048 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 07:06:23,066 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:23,066 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:23,067 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:23,067 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:23,067 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:23,067 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:23,067 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:23,067 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:23,067 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:23,068 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:23,068 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:23,068 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:23,068 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:23,068 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:23,068 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:23,069 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:23,069 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:23,069 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:23,069 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:23,069 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:23,070 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:23,070 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:23,070 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:23,070 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:23,072 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:23,072 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:23,073 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:23,073 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:23,073 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:23,073 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:23,073 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:23,076 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-19 07:06:23,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 07:06:23,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 07:06:23,108 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-19 07:06:23,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-19 07:06:23,128 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-19 07:06:23,133 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 [2022-02-19 07:06:23,133 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-19 07:06:23,170 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 52 transitions and produced 53 states. [2022-02-19 07:06:23,172 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 07:06:23,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 07:06:23,176 INFO L85 PathProgramCache]: Analyzing trace with hash -881270525, now seen corresponding path program 1 times [2022-02-19 07:06:23,182 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 07:06:23,182 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838998694] [2022-02-19 07:06:23,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 07:06:23,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 07:06:23,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 07:06:23,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 07:06:23,456 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 07:06:23,456 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838998694] [2022-02-19 07:06:23,457 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838998694] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 07:06:23,457 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 07:06:23,458 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-19 07:06:23,459 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111908795] [2022-02-19 07:06:23,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 07:06:23,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-19 07:06:23,463 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 07:06:23,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-19 07:06:23,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-19 07:06:23,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:06:23,485 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 07:06:23,487 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) [2022-02-19 07:06:23,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:06:23,594 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 151 transitions and produced 105 states. [2022-02-19 07:06:23,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 07:06:23,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-19 07:06:23,595 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 07:06:23,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 07:06:23,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1476516800, now seen corresponding path program 1 times [2022-02-19 07:06:23,598 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 07:06:23,598 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294569882] [2022-02-19 07:06:23,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 07:06:23,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 07:06:23,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 07:06:23,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 07:06:23,761 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 07:06:23,761 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294569882] [2022-02-19 07:06:23,761 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294569882] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 07:06:23,761 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 07:06:23,761 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-19 07:06:23,761 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594965876] [2022-02-19 07:06:23,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 07:06:23,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-19 07:06:23,766 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 07:06:23,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-19 07:06:23,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-19 07:06:23,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:06:23,771 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 07:06:23,775 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) [2022-02-19 07:06:23,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 07:06:23,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:06:23,853 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 138 transitions and produced 111 states. [2022-02-19 07:06:23,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 07:06:23,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 07:06:23,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-19 07:06:23,854 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 07:06:23,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 07:06:23,854 INFO L85 PathProgramCache]: Analyzing trace with hash 576623755, now seen corresponding path program 1 times [2022-02-19 07:06:23,854 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 07:06:23,855 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618096331] [2022-02-19 07:06:23,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 07:06:23,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 07:06:23,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-19 07:06:23,873 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-19 07:06:23,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-19 07:06:23,908 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-19 07:06:23,909 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-19 07:06:23,910 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-02-19 07:06:23,911 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-02-19 07:06:23,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-19 07:06:23,919 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-02-19 07:06:23,922 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-19 07:06:23,922 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-19 07:06:23,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 07:06:23 BasicIcfg [2022-02-19 07:06:23,958 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-19 07:06:23,959 INFO L158 Benchmark]: Toolchain (without parser) took 1824.85ms. Allocated memory is still 213.9MB. Free memory was 155.9MB in the beginning and 83.2MB in the end (delta: 72.7MB). Peak memory consumption was 72.9MB. Max. memory is 8.0GB. [2022-02-19 07:06:23,959 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 213.9MB. Free memory is still 173.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 07:06:23,959 INFO L158 Benchmark]: CACSL2BoogieTranslator took 440.22ms. Allocated memory is still 213.9MB. Free memory was 155.8MB in the beginning and 174.4MB in the end (delta: -18.7MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-19 07:06:23,959 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.73ms. Allocated memory is still 213.9MB. Free memory was 174.4MB in the beginning and 172.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-19 07:06:23,960 INFO L158 Benchmark]: Boogie Preprocessor took 27.27ms. Allocated memory is still 213.9MB. Free memory was 172.3MB in the beginning and 171.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 07:06:23,960 INFO L158 Benchmark]: RCFGBuilder took 381.21ms. Allocated memory is still 213.9MB. Free memory was 171.3MB in the beginning and 158.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-19 07:06:23,960 INFO L158 Benchmark]: TraceAbstraction took 919.07ms. Allocated memory is still 213.9MB. Free memory was 158.2MB in the beginning and 83.2MB in the end (delta: 75.0MB). Peak memory consumption was 75.5MB. Max. memory is 8.0GB. [2022-02-19 07:06:23,966 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 213.9MB. Free memory is still 173.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 440.22ms. Allocated memory is still 213.9MB. Free memory was 155.8MB in the beginning and 174.4MB in the end (delta: -18.7MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 51.73ms. Allocated memory is still 213.9MB. Free memory was 174.4MB in the beginning and 172.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.27ms. Allocated memory is still 213.9MB. Free memory was 172.3MB in the beginning and 171.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 381.21ms. Allocated memory is still 213.9MB. Free memory was 171.3MB in the beginning and 158.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 919.07ms. Allocated memory is still 213.9MB. Free memory was 158.2MB in the beginning and 83.2MB in the end (delta: 75.0MB). Peak memory consumption was 75.5MB. 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: 0.8s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 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! [2022-02-19 07:06:23,991 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 [2022-02-19 07:06:24,209 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...