./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/13-privatized_19-publish-precision_unknown_2_pos.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3d25acf6 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/13-privatized_19-publish-precision_unknown_2_pos.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-3d25acf-m [2024-01-30 14:40:23,625 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-30 14:40:23,694 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-30 14:40:23,699 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-30 14:40:23,700 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-30 14:40:23,728 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-30 14:40:23,729 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-30 14:40:23,729 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-30 14:40:23,730 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-30 14:40:23,740 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-30 14:40:23,740 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-30 14:40:23,741 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-30 14:40:23,742 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-30 14:40:23,743 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-30 14:40:23,743 INFO L153 SettingsManager]: * Use SBE=true [2024-01-30 14:40:23,743 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-30 14:40:23,743 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-30 14:40:23,743 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-30 14:40:23,744 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-30 14:40:23,744 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-30 14:40:23,744 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-30 14:40:23,744 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-30 14:40:23,745 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-30 14:40:23,745 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-30 14:40:23,745 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-30 14:40:23,745 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-30 14:40:23,745 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-30 14:40:23,745 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-30 14:40:23,746 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-30 14:40:23,746 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-30 14:40:23,747 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-30 14:40:23,747 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-30 14:40:23,752 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-30 14:40:23,752 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-30 14:40:23,753 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-30 14:40:23,753 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-30 14:40:23,753 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-30 14:40:23,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-30 14:40:23,753 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-30 14:40:23,753 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-30 14:40:23,754 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-30 14:40:23,754 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-30 14:40:23,754 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-30 14:40:23,754 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-30 14:40:23,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-30 14:40:23,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-30 14:40:23,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-30 14:40:23,968 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-30 14:40:23,969 INFO L274 PluginConnector]: CDTParser initialized [2024-01-30 14:40:23,969 INFO L431 ainManager$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_pos.i [2024-01-30 14:40:25,006 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-30 14:40:25,212 INFO L384 CDTParser]: Found 1 translation units. [2024-01-30 14:40:25,213 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2024-01-30 14:40:25,230 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec2cba6fb/ba227d4082eb4ef3a87a465a7059b5b5/FLAG530299619 [2024-01-30 14:40:25,239 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec2cba6fb/ba227d4082eb4ef3a87a465a7059b5b5 [2024-01-30 14:40:25,241 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-30 14:40:25,241 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-30 14:40:25,242 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/13-privatized_19-publish-precision_unknown_2_pos.yml/witness.yml [2024-01-30 14:40:25,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-30 14:40:25,327 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-30 14:40:25,328 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-30 14:40:25,329 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-30 14:40:25,332 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-30 14:40:25,332 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 02:40:25" (1/2) ... [2024-01-30 14:40:25,333 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7833dadc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:40:25, skipping insertion in model container [2024-01-30 14:40:25,333 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 02:40:25" (1/2) ... [2024-01-30 14:40:25,335 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6e352063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:40:25, skipping insertion in model container [2024-01-30 14:40:25,335 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 30.01 02:40:25" (2/2) ... [2024-01-30 14:40:25,335 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7833dadc and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:40:25, skipping insertion in model container [2024-01-30 14:40:25,335 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 30.01 02:40:25" (2/2) ... [2024-01-30 14:40:25,335 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-30 14:40:25,360 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-30 14:40:25,362 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] (glob1 == 0) && ((unsigned long )arg == 0UL) [2024-01-30 14:40:25,362 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] (glob1 == 5) && ((unsigned long )arg == 0UL) [2024-01-30 14:40:25,362 INFO L98 nessWitnessExtractor]: Location invariant before [L692-L692] (glob1 == 0) && ((unsigned long )arg == 0UL) [2024-01-30 14:40:25,362 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] (glob1 == 5) && ((unsigned long )arg == 0UL) [2024-01-30 14:40:25,362 INFO L98 nessWitnessExtractor]: Location invariant before [L689-L689] (glob1 == 5) && ((unsigned long )arg == 0UL) [2024-01-30 14:40:25,363 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] (glob1 == 0) && ((unsigned long )arg == 0UL) [2024-01-30 14:40:25,363 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] (glob1 == 0) && ((unsigned long )arg == 0UL) [2024-01-30 14:40:25,363 INFO L98 nessWitnessExtractor]: Location invariant before [L685-L685] (unsigned long )arg == 0UL [2024-01-30 14:40:25,363 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] (glob1 == 0) && (glob1 == 0) [2024-01-30 14:40:25,363 INFO L98 nessWitnessExtractor]: Location invariant before [L693-L693] (unsigned long )arg == 0UL [2024-01-30 14:40:25,363 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] glob1 == 0 [2024-01-30 14:40:25,363 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] glob1 == 0 [2024-01-30 14:40:25,398 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-30 14:40:25,517 WARN L239 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_pos.i[1103,1116] [2024-01-30 14:40:25,635 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-30 14:40:25,648 INFO L202 MainTranslator]: Completed pre-run [2024-01-30 14:40:25,657 WARN L239 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_pos.i[1103,1116] [2024-01-30 14:40:25,658 WARN L424 MainDispatcher]: Unable to annotate void __VERIFIER_assert(int cond) { if(!(cond)) { ERROR: {reach_error();abort();} } } with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-30 14:40:25,698 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-30 14:40:25,722 INFO L206 MainTranslator]: Completed translation [2024-01-30 14:40:25,723 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:40:25 WrapperNode [2024-01-30 14:40:25,723 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-30 14:40:25,724 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-30 14:40:25,724 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-30 14:40:25,724 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-30 14:40:25,729 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:40:25" (1/1) ... [2024-01-30 14:40:25,757 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:40:25" (1/1) ... [2024-01-30 14:40:25,770 INFO L138 Inliner]: procedures = 163, calls = 33, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 53 [2024-01-30 14:40:25,772 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-30 14:40:25,773 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-30 14:40:25,773 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-30 14:40:25,773 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-30 14:40:25,780 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:40:25" (1/1) ... [2024-01-30 14:40:25,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:40:25" (1/1) ... [2024-01-30 14:40:25,788 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:40:25" (1/1) ... [2024-01-30 14:40:25,804 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 5, 5, 2]. 36 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5, 0]. The 1 writes are split as follows [0, 0, 0, 1]. [2024-01-30 14:40:25,805 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:40:25" (1/1) ... [2024-01-30 14:40:25,806 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:40:25" (1/1) ... [2024-01-30 14:40:25,817 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:40:25" (1/1) ... [2024-01-30 14:40:25,819 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:40:25" (1/1) ... [2024-01-30 14:40:25,823 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:40:25" (1/1) ... [2024-01-30 14:40:25,824 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:40:25" (1/1) ... [2024-01-30 14:40:25,825 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-30 14:40:25,829 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-30 14:40:25,829 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-30 14:40:25,829 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-30 14:40:25,830 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:40:25" (1/1) ... [2024-01-30 14:40:25,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-30 14:40:25,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-30 14:40:25,851 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-01-30 14:40:25,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-01-30 14:40:25,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-30 14:40:25,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-30 14:40:25,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-30 14:40:25,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-30 14:40:25,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-30 14:40:25,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-30 14:40:25,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-30 14:40:25,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-30 14:40:25,881 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-01-30 14:40:25,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-30 14:40:25,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-30 14:40:25,881 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-01-30 14:40:25,881 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-01-30 14:40:25,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-30 14:40:25,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-30 14:40:25,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-30 14:40:25,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-30 14:40:25,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-30 14:40:25,883 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-01-30 14:40:25,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-30 14:40:25,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-30 14:40:25,886 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-30 14:40:26,038 INFO L244 CfgBuilder]: Building ICFG [2024-01-30 14:40:26,039 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-30 14:40:26,217 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-30 14:40:26,217 INFO L293 CfgBuilder]: Performing block encoding [2024-01-30 14:40:26,321 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-30 14:40:26,321 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-30 14:40:26,321 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 02:40:26 BoogieIcfgContainer [2024-01-30 14:40:26,321 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-30 14:40:26,323 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-30 14:40:26,323 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-30 14:40:26,325 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-30 14:40:26,325 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.01 02:40:25" (1/4) ... [2024-01-30 14:40:26,325 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e9399d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 02:40:26, skipping insertion in model container [2024-01-30 14:40:26,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 30.01 02:40:25" (2/4) ... [2024-01-30 14:40:26,326 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e9399d9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 30.01 02:40:26, skipping insertion in model container [2024-01-30 14:40:26,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:40:25" (3/4) ... [2024-01-30 14:40:26,326 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e9399d9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 30.01 02:40:26, skipping insertion in model container [2024-01-30 14:40:26,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 02:40:26" (4/4) ... [2024-01-30 14:40:26,327 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_pos.i [2024-01-30 14:40:26,339 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-30 14:40:26,339 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-01-30 14:40:26,339 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-30 14:40:26,382 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-01-30 14:40:26,406 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 53 places, 50 transitions, 107 flow [2024-01-30 14:40:26,431 INFO L124 PetriNetUnfolderBase]: 1/49 cut-off events. [2024-01-30 14:40:26,431 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-30 14:40:26,433 INFO L83 FinitePrefix]: Finished finitePrefix Result has 54 conditions, 49 events. 1/49 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 46 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 43. Up to 2 conditions per place. [2024-01-30 14:40:26,433 INFO L82 GeneralOperation]: Start removeDead. Operand has 53 places, 50 transitions, 107 flow [2024-01-30 14:40:26,436 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 50 places, 47 transitions, 97 flow [2024-01-30 14:40:26,444 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-30 14:40:26,449 INFO L357 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=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@526247fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-30 14:40:26,449 INFO L358 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-01-30 14:40:26,450 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-30 14:40:26,450 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-30 14:40:26,451 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-30 14:40:26,451 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:40:26,451 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-30 14:40:26,451 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-01-30 14:40:26,454 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:40:26,455 INFO L85 PathProgramCache]: Analyzing trace with hash 7397, now seen corresponding path program 1 times [2024-01-30 14:40:26,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:40:26,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268924187] [2024-01-30 14:40:26,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:40:26,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:40:26,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-30 14:40:26,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-30 14:40:26,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-30 14:40:26,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268924187] [2024-01-30 14:40:26,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268924187] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-30 14:40:26,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-30 14:40:26,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-30 14:40:26,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883864752] [2024-01-30 14:40:26,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-30 14:40:26,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-30 14:40:26,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-30 14:40:26,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-30 14:40:26,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-30 14:40:26,700 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 50 [2024-01-30 14:40:26,703 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 47 transitions, 97 flow. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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) [2024-01-30 14:40:26,703 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-30 14:40:26,703 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 50 [2024-01-30 14:40:26,704 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-30 14:40:26,845 INFO L124 PetriNetUnfolderBase]: 91/346 cut-off events. [2024-01-30 14:40:26,845 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-30 14:40:26,847 INFO L83 FinitePrefix]: Finished finitePrefix Result has 580 conditions, 346 events. 91/346 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1707 event pairs, 58 based on Foata normal form. 32/360 useless extension candidates. Maximal degree in co-relation 569. Up to 160 conditions per place. [2024-01-30 14:40:26,851 INFO L140 encePairwiseOnDemand]: 41/50 looper letters, 28 selfloop transitions, 4 changer transitions 0/53 dead transitions. [2024-01-30 14:40:26,851 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 53 transitions, 173 flow [2024-01-30 14:40:26,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-30 14:40:26,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-30 14:40:26,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 105 transitions. [2024-01-30 14:40:26,861 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7 [2024-01-30 14:40:26,862 INFO L175 Difference]: Start difference. First operand has 50 places, 47 transitions, 97 flow. Second operand 3 states and 105 transitions. [2024-01-30 14:40:26,863 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 53 transitions, 173 flow [2024-01-30 14:40:26,865 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 53 transitions, 172 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-30 14:40:26,870 INFO L231 Difference]: Finished difference. Result has 52 places, 46 transitions, 118 flow [2024-01-30 14:40:26,872 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=118, PETRI_PLACES=52, PETRI_TRANSITIONS=46} [2024-01-30 14:40:26,875 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, 2 predicate places. [2024-01-30 14:40:26,875 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 46 transitions, 118 flow [2024-01-30 14:40:26,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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) [2024-01-30 14:40:26,876 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:40:26,876 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-30 14:40:26,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-30 14:40:26,876 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-01-30 14:40:26,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:40:26,878 INFO L85 PathProgramCache]: Analyzing trace with hash 220646010, now seen corresponding path program 1 times [2024-01-30 14:40:26,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:40:26,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635614669] [2024-01-30 14:40:26,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:40:26,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:40:26,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-30 14:40:27,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-30 14:40:27,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-30 14:40:27,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635614669] [2024-01-30 14:40:27,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635614669] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-30 14:40:27,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-30 14:40:27,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-30 14:40:27,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815964900] [2024-01-30 14:40:27,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-30 14:40:27,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-30 14:40:27,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-30 14:40:27,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-30 14:40:27,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-30 14:40:27,069 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 50 [2024-01-30 14:40:27,070 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 46 transitions, 118 flow. Second operand has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 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) [2024-01-30 14:40:27,070 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-30 14:40:27,070 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 50 [2024-01-30 14:40:27,070 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-30 14:40:27,163 INFO L124 PetriNetUnfolderBase]: 67/336 cut-off events. [2024-01-30 14:40:27,163 INFO L125 PetriNetUnfolderBase]: For 64/64 co-relation queries the response was YES. [2024-01-30 14:40:27,164 INFO L83 FinitePrefix]: Finished finitePrefix Result has 579 conditions, 336 events. 67/336 cut-off events. For 64/64 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1749 event pairs, 10 based on Foata normal form. 7/313 useless extension candidates. Maximal degree in co-relation 565. Up to 159 conditions per place. [2024-01-30 14:40:27,165 INFO L140 encePairwiseOnDemand]: 46/50 looper letters, 24 selfloop transitions, 2 changer transitions 0/50 dead transitions. [2024-01-30 14:40:27,165 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 50 transitions, 180 flow [2024-01-30 14:40:27,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-30 14:40:27,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-30 14:40:27,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 131 transitions. [2024-01-30 14:40:27,167 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.655 [2024-01-30 14:40:27,167 INFO L175 Difference]: Start difference. First operand has 52 places, 46 transitions, 118 flow. Second operand 4 states and 131 transitions. [2024-01-30 14:40:27,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 50 transitions, 180 flow [2024-01-30 14:40:27,168 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 50 transitions, 172 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-30 14:40:27,169 INFO L231 Difference]: Finished difference. Result has 51 places, 44 transitions, 110 flow [2024-01-30 14:40:27,169 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=110, PETRI_PLACES=51, PETRI_TRANSITIONS=44} [2024-01-30 14:40:27,169 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, 1 predicate places. [2024-01-30 14:40:27,169 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 44 transitions, 110 flow [2024-01-30 14:40:27,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 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) [2024-01-30 14:40:27,170 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:40:27,170 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-01-30 14:40:27,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-30 14:40:27,170 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-01-30 14:40:27,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:40:27,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1965575272, now seen corresponding path program 1 times [2024-01-30 14:40:27,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:40:27,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917700902] [2024-01-30 14:40:27,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:40:27,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:40:27,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-30 14:40:27,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-30 14:40:27,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-30 14:40:27,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917700902] [2024-01-30 14:40:27,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917700902] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-30 14:40:27,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-30 14:40:27,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-30 14:40:27,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026276624] [2024-01-30 14:40:27,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-30 14:40:27,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-30 14:40:27,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-30 14:40:27,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-30 14:40:27,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-30 14:40:27,234 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 50 [2024-01-30 14:40:27,235 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 44 transitions, 110 flow. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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) [2024-01-30 14:40:27,235 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-30 14:40:27,235 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 50 [2024-01-30 14:40:27,235 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-30 14:40:27,292 INFO L124 PetriNetUnfolderBase]: 103/345 cut-off events. [2024-01-30 14:40:27,292 INFO L125 PetriNetUnfolderBase]: For 41/41 co-relation queries the response was YES. [2024-01-30 14:40:27,293 INFO L83 FinitePrefix]: Finished finitePrefix Result has 668 conditions, 345 events. 103/345 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1591 event pairs, 10 based on Foata normal form. 7/340 useless extension candidates. Maximal degree in co-relation 654. Up to 136 conditions per place. [2024-01-30 14:40:27,294 INFO L140 encePairwiseOnDemand]: 41/50 looper letters, 35 selfloop transitions, 5 changer transitions 0/53 dead transitions. [2024-01-30 14:40:27,294 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 53 transitions, 210 flow [2024-01-30 14:40:27,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-30 14:40:27,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-30 14:40:27,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 100 transitions. [2024-01-30 14:40:27,295 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5 [2024-01-30 14:40:27,295 INFO L175 Difference]: Start difference. First operand has 51 places, 44 transitions, 110 flow. Second operand 4 states and 100 transitions. [2024-01-30 14:40:27,295 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 53 transitions, 210 flow [2024-01-30 14:40:27,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 53 transitions, 207 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-30 14:40:27,297 INFO L231 Difference]: Finished difference. Result has 48 places, 40 transitions, 109 flow [2024-01-30 14:40:27,297 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=99, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=109, PETRI_PLACES=48, PETRI_TRANSITIONS=40} [2024-01-30 14:40:27,297 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, -2 predicate places. [2024-01-30 14:40:27,297 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 40 transitions, 109 flow [2024-01-30 14:40:27,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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) [2024-01-30 14:40:27,298 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:40:27,298 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-30 14:40:27,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-30 14:40:27,298 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-01-30 14:40:27,298 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:40:27,298 INFO L85 PathProgramCache]: Analyzing trace with hash 6243578, now seen corresponding path program 1 times [2024-01-30 14:40:27,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:40:27,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502536540] [2024-01-30 14:40:27,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:40:27,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:40:27,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-30 14:40:27,309 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-30 14:40:27,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-30 14:40:27,327 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-30 14:40:27,328 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-30 14:40:27,328 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (21 of 22 remaining) [2024-01-30 14:40:27,329 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 22 remaining) [2024-01-30 14:40:27,330 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 22 remaining) [2024-01-30 14:40:27,330 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 22 remaining) [2024-01-30 14:40:27,330 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 22 remaining) [2024-01-30 14:40:27,330 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 22 remaining) [2024-01-30 14:40:27,330 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 22 remaining) [2024-01-30 14:40:27,330 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 22 remaining) [2024-01-30 14:40:27,330 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 22 remaining) [2024-01-30 14:40:27,331 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 22 remaining) [2024-01-30 14:40:27,331 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 22 remaining) [2024-01-30 14:40:27,331 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 22 remaining) [2024-01-30 14:40:27,331 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 22 remaining) [2024-01-30 14:40:27,331 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 22 remaining) [2024-01-30 14:40:27,331 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 22 remaining) [2024-01-30 14:40:27,331 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 22 remaining) [2024-01-30 14:40:27,331 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 22 remaining) [2024-01-30 14:40:27,331 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 22 remaining) [2024-01-30 14:40:27,332 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 22 remaining) [2024-01-30 14:40:27,332 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 22 remaining) [2024-01-30 14:40:27,332 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 22 remaining) [2024-01-30 14:40:27,332 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 22 remaining) [2024-01-30 14:40:27,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-30 14:40:27,332 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-01-30 14:40:27,337 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-30 14:40:27,337 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-30 14:40:27,350 INFO L503 ceAbstractionStarter]: Automizer considered 11 witness invariants [2024-01-30 14:40:27,350 INFO L504 ceAbstractionStarter]: WitnessConsidered=11 [2024-01-30 14:40:27,351 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.01 02:40:27 BasicIcfg [2024-01-30 14:40:27,351 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-30 14:40:27,351 INFO L158 Benchmark]: Toolchain (without parser) took 2024.07ms. Allocated memory is still 146.8MB. Free memory was 89.7MB in the beginning and 63.1MB in the end (delta: 26.5MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2024-01-30 14:40:27,351 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 104.9MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-30 14:40:27,352 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 146.8MB. Free memory is still 92.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-30 14:40:27,352 INFO L158 Benchmark]: CACSL2BoogieTranslator took 394.52ms. Allocated memory is still 146.8MB. Free memory was 89.3MB in the beginning and 66.6MB in the end (delta: 22.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-01-30 14:40:27,352 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.19ms. Allocated memory is still 146.8MB. Free memory was 66.6MB in the beginning and 64.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-30 14:40:27,352 INFO L158 Benchmark]: Boogie Preprocessor took 55.69ms. Allocated memory is still 146.8MB. Free memory was 64.9MB in the beginning and 62.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-30 14:40:27,353 INFO L158 Benchmark]: RCFGBuilder took 492.33ms. Allocated memory is still 146.8MB. Free memory was 62.4MB in the beginning and 108.8MB in the end (delta: -46.4MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2024-01-30 14:40:27,353 INFO L158 Benchmark]: TraceAbstraction took 1028.31ms. Allocated memory is still 146.8MB. Free memory was 108.0MB in the beginning and 63.1MB in the end (delta: 44.8MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. [2024-01-30 14:40:27,354 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 104.9MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 146.8MB. Free memory is still 92.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 394.52ms. Allocated memory is still 146.8MB. Free memory was 89.3MB in the beginning and 66.6MB in the end (delta: 22.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.19ms. Allocated memory is still 146.8MB. Free memory was 66.6MB in the beginning and 64.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.69ms. Allocated memory is still 146.8MB. Free memory was 64.9MB in the beginning and 62.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 492.33ms. Allocated memory is still 146.8MB. Free memory was 62.4MB in the beginning and 108.8MB in the end (delta: -46.4MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1028.31ms. Allocated memory is still 146.8MB. Free memory was 108.0MB in the beginning and 63.1MB in the end (delta: 44.8MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L696] 0 pthread_t id; VAL [glob1=0, id={6:0}, mutex1={3:0}, mutex2={4:0}] [L697] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[glob1],IntegerLiteral[0]]]] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob1=0, id={6:0}, mutex1={3:0}, mutex2={4:0}] [L699] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[glob1],IntegerLiteral[0]]]] [L699] CALL 0 __VERIFIER_assert(glob1 == 5) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, arg={0:0}, cond=0, glob1=0, mutex1={3:0}, mutex2={4:0}] [L19] 0 reach_error() VAL [\old(cond)=0, arg={0:0}, cond=0, glob1=0, mutex1={3:0}, mutex2={4:0}] - UnprovableResult [Line: 697]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 685]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 686]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 687]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 688]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 689]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 690]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 691]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 692]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 693]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 83 locations, 22 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 200 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 131 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 202 IncrementalHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 18 mSDtfsCounter, 202 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=118occurred in iteration=1, InterpolantAutomatonStates: 11, 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, 0.2s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 76 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-01-30 14:40:27,371 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE