./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 59af5db6 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-59af5db-m [2024-02-02 09:36:16,080 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-02 09:36:16,150 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-02 09:36:16,154 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-02 09:36:16,155 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-02 09:36:16,184 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-02 09:36:16,185 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-02 09:36:16,185 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-02 09:36:16,186 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-02 09:36:16,187 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-02 09:36:16,188 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-02 09:36:16,188 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-02 09:36:16,189 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-02 09:36:16,193 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-02 09:36:16,193 INFO L153 SettingsManager]: * Use SBE=true [2024-02-02 09:36:16,194 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-02 09:36:16,194 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-02 09:36:16,194 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-02 09:36:16,194 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-02 09:36:16,195 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-02 09:36:16,195 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-02 09:36:16,195 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-02 09:36:16,196 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-02 09:36:16,196 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-02 09:36:16,196 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-02 09:36:16,197 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-02 09:36:16,197 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-02 09:36:16,197 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-02 09:36:16,198 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-02 09:36:16,198 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-02 09:36:16,199 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-02 09:36:16,199 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-02 09:36:16,200 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-02 09:36:16,200 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-02 09:36:16,200 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-02 09:36:16,200 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-02 09:36:16,201 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-02 09:36:16,201 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-02 09:36:16,208 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-02 09:36:16,209 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-02 09:36:16,209 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-02 09:36:16,209 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-02 09:36:16,209 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-02 09:36:16,209 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-02 09:36:16,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-02 09:36:16,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-02 09:36:16,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-02 09:36:16,517 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-02 09:36:16,518 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-02 09:36:16,519 INFO L431 ainManager$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 [2024-02-02 09:36:16,622 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-02 09:36:16,622 INFO L274 PluginConnector]: CDTParser initialized [2024-02-02 09:36:16,625 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2024-02-02 09:36:17,774 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-02 09:36:18,022 INFO L384 CDTParser]: Found 1 translation units. [2024-02-02 09:36:18,026 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2024-02-02 09:36:18,045 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/344e0c14b/1cdc1b5a7ca54466a564bbf91feb76e7/FLAG4597d7dcd [2024-02-02 09:36:18,062 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/344e0c14b/1cdc1b5a7ca54466a564bbf91feb76e7 [2024-02-02 09:36:18,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-02 09:36:18,065 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-02 09:36:18,066 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-02 09:36:18,067 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-02 09:36:18,071 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-02 09:36:18,072 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:36:16" (1/2) ... [2024-02-02 09:36:18,073 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ffc3e13 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:36:18, skipping insertion in model container [2024-02-02 09:36:18,074 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:36:16" (1/2) ... [2024-02-02 09:36:18,075 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2d8bba7b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:36:18, skipping insertion in model container [2024-02-02 09:36:18,076 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:36:18" (2/2) ... [2024-02-02 09:36:18,076 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ffc3e13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:36:18, skipping insertion in model container [2024-02-02 09:36:18,076 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:36:18" (2/2) ... [2024-02-02 09:36:18,077 INFO L86 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-02 09:36:18,114 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-02-02 09:36:18,116 INFO L101 nessWitnessExtractor]: Location invariant before [L692-L692] (glob1 == 0) && ((unsigned long )arg == 0UL) [2024-02-02 09:36:18,116 INFO L101 nessWitnessExtractor]: Location invariant before [L691-L691] (glob1 == 0) && ((unsigned long )arg == 0UL) [2024-02-02 09:36:18,116 INFO L101 nessWitnessExtractor]: Location invariant before [L686-L686] (glob1 == 0) && ((unsigned long )arg == 0UL) [2024-02-02 09:36:18,116 INFO L101 nessWitnessExtractor]: Location invariant before [L689-L689] (glob1 == 5) && ((unsigned long )arg == 0UL) [2024-02-02 09:36:18,116 INFO L101 nessWitnessExtractor]: Location invariant before [L697-L697] glob1 == 0 [2024-02-02 09:36:18,116 INFO L101 nessWitnessExtractor]: Location invariant before [L699-L699] glob1 == 0 [2024-02-02 09:36:18,117 INFO L101 nessWitnessExtractor]: Location invariant before [L687-L687] (glob1 == 0) && ((unsigned long )arg == 0UL) [2024-02-02 09:36:18,117 INFO L101 nessWitnessExtractor]: Location invariant before [L688-L688] (glob1 == 5) && ((unsigned long )arg == 0UL) [2024-02-02 09:36:18,117 INFO L101 nessWitnessExtractor]: Location invariant before [L685-L685] (unsigned long )arg == 0UL [2024-02-02 09:36:18,117 INFO L101 nessWitnessExtractor]: Location invariant before [L19-L19] (glob1 == 0) && (glob1 == 0) [2024-02-02 09:36:18,117 INFO L101 nessWitnessExtractor]: Location invariant before [L693-L693] (unsigned long )arg == 0UL [2024-02-02 09:36:18,117 INFO L101 nessWitnessExtractor]: Location invariant before [L690-L690] (glob1 == 5) && ((unsigned long )arg == 0UL) [2024-02-02 09:36:18,162 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-02-02 09:36:18,320 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] [2024-02-02 09:36:18,465 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-02 09:36:18,487 INFO L202 MainTranslator]: Completed pre-run [2024-02-02 09:36:18,505 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] [2024-02-02 09:36:18,506 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 [2024-02-02 09:36:18,576 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-02 09:36:18,609 INFO L206 MainTranslator]: Completed translation [2024-02-02 09:36:18,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:36:18 WrapperNode [2024-02-02 09:36:18,609 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-02 09:36:18,611 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-02 09:36:18,611 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-02 09:36:18,611 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-02 09:36:18,617 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:36:18" (1/1) ... [2024-02-02 09:36:18,634 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:36:18" (1/1) ... [2024-02-02 09:36:18,656 INFO L138 Inliner]: procedures = 163, calls = 33, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 53 [2024-02-02 09:36:18,656 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-02 09:36:18,657 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-02 09:36:18,657 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-02 09:36:18,657 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-02 09:36:18,665 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:36:18" (1/1) ... [2024-02-02 09:36:18,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:36:18" (1/1) ... [2024-02-02 09:36:18,668 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:36:18" (1/1) ... [2024-02-02 09:36:18,680 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]. [2024-02-02 09:36:18,681 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:36:18" (1/1) ... [2024-02-02 09:36:18,681 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:36:18" (1/1) ... [2024-02-02 09:36:18,686 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:36:18" (1/1) ... [2024-02-02 09:36:18,688 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:36:18" (1/1) ... [2024-02-02 09:36:18,689 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:36:18" (1/1) ... [2024-02-02 09:36:18,690 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:36:18" (1/1) ... [2024-02-02 09:36:18,693 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-02 09:36:18,694 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-02 09:36:18,694 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-02 09:36:18,694 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-02 09:36:18,695 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:36:18" (1/1) ... [2024-02-02 09:36:18,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-02 09:36:18,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-02 09:36:18,847 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) [2024-02-02 09:36:18,856 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 [2024-02-02 09:36:18,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-02 09:36:18,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-02 09:36:18,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-02 09:36:18,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-02-02 09:36:18,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-02 09:36:18,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-02 09:36:18,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-02 09:36:18,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-02 09:36:18,896 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-02-02 09:36:18,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-02 09:36:18,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-02 09:36:18,897 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-02-02 09:36:18,897 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-02-02 09:36:18,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-02 09:36:18,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-02 09:36:18,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-02 09:36:18,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-02 09:36:18,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-02 09:36:18,899 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-02-02 09:36:18,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-02 09:36:18,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-02 09:36:18,904 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-02 09:36:19,021 INFO L244 CfgBuilder]: Building ICFG [2024-02-02 09:36:19,023 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-02 09:36:19,234 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-02 09:36:19,235 INFO L293 CfgBuilder]: Performing block encoding [2024-02-02 09:36:19,353 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-02 09:36:19,354 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-02 09:36:19,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:36:19 BoogieIcfgContainer [2024-02-02 09:36:19,354 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-02 09:36:19,356 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-02 09:36:19,357 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-02 09:36:19,360 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-02 09:36:19,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:36:16" (1/4) ... [2024-02-02 09:36:19,361 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54a7bd27 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 02.02 09:36:19, skipping insertion in model container [2024-02-02 09:36:19,361 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 09:36:18" (2/4) ... [2024-02-02 09:36:19,361 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54a7bd27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:36:19, skipping insertion in model container [2024-02-02 09:36:19,361 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:36:18" (3/4) ... [2024-02-02 09:36:19,361 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54a7bd27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:36:19, skipping insertion in model container [2024-02-02 09:36:19,361 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:36:19" (4/4) ... [2024-02-02 09:36:19,362 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_pos.i [2024-02-02 09:36:19,378 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-02 09:36:19,379 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-02-02 09:36:19,379 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-02 09:36:19,496 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-02-02 09:36:19,535 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 53 places, 50 transitions, 107 flow [2024-02-02 09:36:19,561 INFO L124 PetriNetUnfolderBase]: 1/49 cut-off events. [2024-02-02 09:36:19,562 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-02-02 09:36:19,566 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. [2024-02-02 09:36:19,566 INFO L82 GeneralOperation]: Start removeDead. Operand has 53 places, 50 transitions, 107 flow [2024-02-02 09:36:19,571 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 50 places, 47 transitions, 97 flow [2024-02-02 09:36:19,588 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-02 09:36:19,596 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;@5e1864f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-02 09:36:19,597 INFO L358 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-02-02 09:36:19,605 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-02 09:36:19,606 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-02 09:36:19,606 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-02 09:36:19,607 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:36:19,607 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-02 09:36:19,608 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)] === [2024-02-02 09:36:19,612 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:36:19,613 INFO L85 PathProgramCache]: Analyzing trace with hash 7397, now seen corresponding path program 1 times [2024-02-02 09:36:19,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:36:19,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016805323] [2024-02-02 09:36:19,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:36:19,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:36:19,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:36:19,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:36:19,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:36:19,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016805323] [2024-02-02 09:36:19,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016805323] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:36:19,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:36:19,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-02 09:36:19,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585432824] [2024-02-02 09:36:19,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:36:19,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-02 09:36:19,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:36:19,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-02 09:36:19,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-02 09:36:19,933 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 50 [2024-02-02 09:36:19,936 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) [2024-02-02 09:36:19,936 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:36:19,936 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 50 [2024-02-02 09:36:19,937 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:36:20,084 INFO L124 PetriNetUnfolderBase]: 91/346 cut-off events. [2024-02-02 09:36:20,087 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-02 09:36:20,090 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. [2024-02-02 09:36:20,093 INFO L140 encePairwiseOnDemand]: 41/50 looper letters, 28 selfloop transitions, 4 changer transitions 0/53 dead transitions. [2024-02-02 09:36:20,094 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 53 transitions, 173 flow [2024-02-02 09:36:20,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-02 09:36:20,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-02 09:36:20,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 105 transitions. [2024-02-02 09:36:20,106 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7 [2024-02-02 09:36:20,108 INFO L175 Difference]: Start difference. First operand has 50 places, 47 transitions, 97 flow. Second operand 3 states and 105 transitions. [2024-02-02 09:36:20,109 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 53 transitions, 173 flow [2024-02-02 09:36:20,111 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 53 transitions, 172 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-02-02 09:36:20,118 INFO L231 Difference]: Finished difference. Result has 52 places, 46 transitions, 118 flow [2024-02-02 09:36:20,120 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} [2024-02-02 09:36:20,124 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, 2 predicate places. [2024-02-02 09:36:20,124 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 46 transitions, 118 flow [2024-02-02 09:36:20,125 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) [2024-02-02 09:36:20,125 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:36:20,125 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-02 09:36:20,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-02 09:36:20,126 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)] === [2024-02-02 09:36:20,127 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:36:20,127 INFO L85 PathProgramCache]: Analyzing trace with hash 220646010, now seen corresponding path program 1 times [2024-02-02 09:36:20,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:36:20,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734254804] [2024-02-02 09:36:20,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:36:20,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:36:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:36:20,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:36:20,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:36:20,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734254804] [2024-02-02 09:36:20,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734254804] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:36:20,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:36:20,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-02 09:36:20,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234233483] [2024-02-02 09:36:20,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:36:20,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-02 09:36:20,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:36:20,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-02 09:36:20,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-02-02 09:36:20,379 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 50 [2024-02-02 09:36:20,380 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) [2024-02-02 09:36:20,380 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:36:20,380 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 50 [2024-02-02 09:36:20,381 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:36:20,501 INFO L124 PetriNetUnfolderBase]: 67/336 cut-off events. [2024-02-02 09:36:20,503 INFO L125 PetriNetUnfolderBase]: For 64/64 co-relation queries the response was YES. [2024-02-02 09:36:20,507 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. [2024-02-02 09:36:20,510 INFO L140 encePairwiseOnDemand]: 46/50 looper letters, 24 selfloop transitions, 2 changer transitions 0/50 dead transitions. [2024-02-02 09:36:20,511 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 50 transitions, 180 flow [2024-02-02 09:36:20,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-02-02 09:36:20,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-02-02 09:36:20,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 131 transitions. [2024-02-02 09:36:20,521 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.655 [2024-02-02 09:36:20,521 INFO L175 Difference]: Start difference. First operand has 52 places, 46 transitions, 118 flow. Second operand 4 states and 131 transitions. [2024-02-02 09:36:20,521 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 50 transitions, 180 flow [2024-02-02 09:36:20,523 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 50 transitions, 172 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-02 09:36:20,524 INFO L231 Difference]: Finished difference. Result has 51 places, 44 transitions, 110 flow [2024-02-02 09:36:20,525 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} [2024-02-02 09:36:20,525 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, 1 predicate places. [2024-02-02 09:36:20,526 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 44 transitions, 110 flow [2024-02-02 09:36:20,526 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) [2024-02-02 09:36:20,526 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:36:20,526 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-02-02 09:36:20,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-02 09:36:20,526 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)] === [2024-02-02 09:36:20,527 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:36:20,527 INFO L85 PathProgramCache]: Analyzing trace with hash 1965575272, now seen corresponding path program 1 times [2024-02-02 09:36:20,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:36:20,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609254783] [2024-02-02 09:36:20,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:36:20,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:36:20,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:36:20,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:36:20,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:36:20,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609254783] [2024-02-02 09:36:20,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609254783] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:36:20,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:36:20,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-02 09:36:20,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234335506] [2024-02-02 09:36:20,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:36:20,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-02 09:36:20,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:36:20,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-02 09:36:20,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-02-02 09:36:20,683 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 50 [2024-02-02 09:36:20,684 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) [2024-02-02 09:36:20,684 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:36:20,684 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 50 [2024-02-02 09:36:20,685 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:36:20,784 INFO L124 PetriNetUnfolderBase]: 103/345 cut-off events. [2024-02-02 09:36:20,784 INFO L125 PetriNetUnfolderBase]: For 41/41 co-relation queries the response was YES. [2024-02-02 09:36:20,785 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. [2024-02-02 09:36:20,786 INFO L140 encePairwiseOnDemand]: 41/50 looper letters, 35 selfloop transitions, 5 changer transitions 0/53 dead transitions. [2024-02-02 09:36:20,787 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 53 transitions, 210 flow [2024-02-02 09:36:20,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-02-02 09:36:20,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-02-02 09:36:20,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 100 transitions. [2024-02-02 09:36:20,789 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5 [2024-02-02 09:36:20,789 INFO L175 Difference]: Start difference. First operand has 51 places, 44 transitions, 110 flow. Second operand 4 states and 100 transitions. [2024-02-02 09:36:20,789 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 53 transitions, 210 flow [2024-02-02 09:36:20,791 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 53 transitions, 207 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-02 09:36:20,792 INFO L231 Difference]: Finished difference. Result has 48 places, 40 transitions, 109 flow [2024-02-02 09:36:20,792 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} [2024-02-02 09:36:20,793 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, -2 predicate places. [2024-02-02 09:36:20,793 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 40 transitions, 109 flow [2024-02-02 09:36:20,793 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) [2024-02-02 09:36:20,793 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:36:20,794 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-02-02 09:36:20,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-02-02 09:36:20,794 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)] === [2024-02-02 09:36:20,795 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:36:20,795 INFO L85 PathProgramCache]: Analyzing trace with hash 6243578, now seen corresponding path program 1 times [2024-02-02 09:36:20,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:36:20,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81637681] [2024-02-02 09:36:20,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:36:20,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:36:20,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-02 09:36:20,822 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-02 09:36:20,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-02 09:36:20,862 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-02 09:36:20,862 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-02 09:36:20,863 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (21 of 22 remaining) [2024-02-02 09:36:20,865 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 22 remaining) [2024-02-02 09:36:20,866 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 22 remaining) [2024-02-02 09:36:20,866 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 22 remaining) [2024-02-02 09:36:20,866 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 22 remaining) [2024-02-02 09:36:20,867 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 22 remaining) [2024-02-02 09:36:20,867 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 22 remaining) [2024-02-02 09:36:20,867 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 22 remaining) [2024-02-02 09:36:20,867 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 22 remaining) [2024-02-02 09:36:20,868 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 22 remaining) [2024-02-02 09:36:20,868 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 22 remaining) [2024-02-02 09:36:20,868 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 22 remaining) [2024-02-02 09:36:20,868 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 22 remaining) [2024-02-02 09:36:20,869 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 22 remaining) [2024-02-02 09:36:20,869 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 22 remaining) [2024-02-02 09:36:20,869 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 22 remaining) [2024-02-02 09:36:20,869 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 22 remaining) [2024-02-02 09:36:20,870 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 22 remaining) [2024-02-02 09:36:20,870 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 22 remaining) [2024-02-02 09:36:20,870 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 22 remaining) [2024-02-02 09:36:20,870 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 22 remaining) [2024-02-02 09:36:20,870 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 22 remaining) [2024-02-02 09:36:20,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-02-02 09:36:20,871 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-02-02 09:36:20,878 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-02 09:36:20,878 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-02 09:36:20,897 INFO L503 ceAbstractionStarter]: Automizer considered 11 witness invariants [2024-02-02 09:36:20,898 INFO L504 ceAbstractionStarter]: WitnessConsidered=11 [2024-02-02 09:36:20,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.02 09:36:20 BasicIcfg [2024-02-02 09:36:20,899 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-02 09:36:20,899 INFO L158 Benchmark]: Toolchain (without parser) took 2834.80ms. Allocated memory was 169.9MB in the beginning and 243.3MB in the end (delta: 73.4MB). Free memory was 107.6MB in the beginning and 184.0MB in the end (delta: -76.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-02 09:36:20,900 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 169.9MB. Free memory is still 136.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-02 09:36:20,900 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 169.9MB. Free memory is still 133.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-02 09:36:20,900 INFO L158 Benchmark]: CACSL2BoogieTranslator took 543.23ms. Allocated memory is still 169.9MB. Free memory was 107.2MB in the beginning and 84.5MB in the end (delta: 22.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-02-02 09:36:20,900 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.74ms. Allocated memory is still 169.9MB. Free memory was 84.5MB in the beginning and 82.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-02 09:36:20,901 INFO L158 Benchmark]: Boogie Preprocessor took 36.17ms. Allocated memory is still 169.9MB. Free memory was 82.4MB in the beginning and 80.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-02 09:36:20,901 INFO L158 Benchmark]: RCFGBuilder took 660.68ms. Allocated memory is still 169.9MB. Free memory was 80.4MB in the beginning and 52.7MB in the end (delta: 27.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-02-02 09:36:20,902 INFO L158 Benchmark]: TraceAbstraction took 1542.34ms. Allocated memory was 169.9MB in the beginning and 243.3MB in the end (delta: 73.4MB). Free memory was 52.1MB in the beginning and 184.0MB in the end (delta: -131.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-02 09:36:20,903 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.19ms. Allocated memory is still 169.9MB. Free memory is still 136.9MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.19ms. Allocated memory is still 169.9MB. Free memory is still 133.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 543.23ms. Allocated memory is still 169.9MB. Free memory was 107.2MB in the beginning and 84.5MB in the end (delta: 22.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.74ms. Allocated memory is still 169.9MB. Free memory was 84.5MB in the beginning and 82.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.17ms. Allocated memory is still 169.9MB. Free memory was 82.4MB in the beginning and 80.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 660.68ms. Allocated memory is still 169.9MB. Free memory was 80.4MB in the beginning and 52.7MB in the end (delta: 27.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1542.34ms. Allocated memory was 169.9MB in the beginning and 243.3MB in the end (delta: 73.4MB). Free memory was 52.1MB in the beginning and 184.0MB in the end (delta: -131.9MB). There was no memory consumed. 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: 1.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 200 SdHoareTripleChecker+Valid, 0.3s 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, 0.3s 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! [2024-02-02 09:36:20,926 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