./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/security.wvr.c --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/security.wvr.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/weaver/security.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/security.wvr.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 09:22:01,288 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-02 09:22:01,377 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-02 09:22:01,385 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-02 09:22:01,385 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-02 09:22:01,407 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-02 09:22:01,409 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-02 09:22:01,409 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-02 09:22:01,410 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-02 09:22:01,412 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-02 09:22:01,412 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-02 09:22:01,412 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-02 09:22:01,413 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-02 09:22:01,417 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-02 09:22:01,417 INFO L153 SettingsManager]: * Use SBE=true [2024-02-02 09:22:01,417 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-02 09:22:01,418 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-02 09:22:01,418 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-02 09:22:01,418 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-02 09:22:01,418 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-02 09:22:01,419 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-02 09:22:01,419 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-02 09:22:01,419 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-02 09:22:01,420 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-02 09:22:01,420 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-02 09:22:01,420 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-02 09:22:01,420 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-02 09:22:01,421 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-02 09:22:01,421 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-02 09:22:01,422 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-02 09:22:01,422 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-02 09:22:01,423 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-02 09:22:01,423 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-02 09:22:01,423 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-02 09:22:01,423 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-02 09:22:01,424 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-02 09:22:01,424 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-02 09:22:01,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-02 09:22:01,424 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-02 09:22:01,424 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-02 09:22:01,425 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-02 09:22:01,425 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-02 09:22:01,425 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-02 09:22:01,425 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-02 09:22:01,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-02 09:22:01,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-02 09:22:01,716 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-02 09:22:01,717 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-02 09:22:01,718 INFO L274 PluginConnector]: CDTParser initialized [2024-02-02 09:22:01,719 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/security.wvr.c [2024-02-02 09:22:02,908 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-02 09:22:03,120 INFO L384 CDTParser]: Found 1 translation units. [2024-02-02 09:22:03,121 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/security.wvr.c [2024-02-02 09:22:03,128 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da7660595/92a5161ee83e4e47a4078393987127fe/FLAGbd5e0397f [2024-02-02 09:22:03,140 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da7660595/92a5161ee83e4e47a4078393987127fe [2024-02-02 09:22:03,142 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-02 09:22:03,143 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-02 09:22:03,144 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/security.wvr.yml/witness.yml [2024-02-02 09:22:03,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-02 09:22:03,253 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-02 09:22:03,255 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-02 09:22:03,255 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-02 09:22:03,260 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-02 09:22:03,260 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:22:03" (1/2) ... [2024-02-02 09:22:03,262 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41a8cbd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:22:03, skipping insertion in model container [2024-02-02 09:22:03,262 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:22:03" (1/2) ... [2024-02-02 09:22:03,264 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2a68f5de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:22:03, skipping insertion in model container [2024-02-02 09:22:03,264 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:22:03" (2/2) ... [2024-02-02 09:22:03,264 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41a8cbd2 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:22:03, skipping insertion in model container [2024-02-02 09:22:03,265 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:22:03" (2/2) ... [2024-02-02 09:22:03,265 INFO L86 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-02 09:22:03,290 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-02-02 09:22:03,292 INFO L101 nessWitnessExtractor]: Location invariant before [L60-L60] (unsigned long )_argptr == 0UL [2024-02-02 09:22:03,292 INFO L101 nessWitnessExtractor]: Location invariant before [L70-L70] (((((x1 == 0U) && (z1 == 0U)) && (l1 == 0U)) && (x2 == 0U)) && (z2 == 0U)) && (l2 == 0U) [2024-02-02 09:22:03,292 INFO L101 nessWitnessExtractor]: Location invariant before [L62-L62] (unsigned long )_argptr == 0UL [2024-02-02 09:22:03,292 INFO L101 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-02-02 09:22:03,292 INFO L101 nessWitnessExtractor]: Location invariant before [L44-L44] (unsigned long )_argptr == 0UL [2024-02-02 09:22:03,293 INFO L101 nessWitnessExtractor]: Location invariant before [L54-L54] (unsigned long )_argptr == 0UL [2024-02-02 09:22:03,293 INFO L101 nessWitnessExtractor]: Location invariant before [L43-L47] (((((((y == 0U) && (x1 == 0U)) && (z1 == 0U)) && (l1 == 0U)) && (x2 == 0U)) && (z2 == 0U)) && (l2 == 0U)) && ((unsigned long )_argptr == 0UL) [2024-02-02 09:22:03,294 INFO L101 nessWitnessExtractor]: Location invariant before [L50-L50] (unsigned long )_argptr == 0UL [2024-02-02 09:22:03,294 INFO L101 nessWitnessExtractor]: Location invariant before [L58-L58] (unsigned long )_argptr == 0UL [2024-02-02 09:22:03,294 INFO L101 nessWitnessExtractor]: Location invariant before [L46-L46] (unsigned long )_argptr == 0UL [2024-02-02 09:22:03,294 INFO L101 nessWitnessExtractor]: Location invariant before [L42-L42] (unsigned long )_argptr == 0UL [2024-02-02 09:22:03,294 INFO L101 nessWitnessExtractor]: Location invariant before [L68-L68] ((((((y == 0U) && (x1 == 0U)) && (z1 == 0U)) && (l1 == 0U)) && (x2 == 0U)) && (z2 == 0U)) && (l2 == 0U) [2024-02-02 09:22:03,294 INFO L101 nessWitnessExtractor]: Location invariant before [L55-L59] (unsigned long )_argptr == 0UL [2024-02-02 09:22:03,295 INFO L101 nessWitnessExtractor]: Location invariant before [L48-L48] (unsigned long )_argptr == 0UL [2024-02-02 09:22:03,295 INFO L101 nessWitnessExtractor]: Location invariant after [L18-L19] val == (_Bool)0 || val == (_Bool)1 [2024-02-02 09:22:03,314 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-02-02 09:22:03,448 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/security.wvr.c[1957,1970] [2024-02-02 09:22:03,452 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-02 09:22:03,461 INFO L202 MainTranslator]: Completed pre-run [2024-02-02 09:22:03,470 WARN L424 MainDispatcher]: Unable to annotate __assert_fail(const char *__assertion, const char *__file, unsigned int __line, const char *__function) 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 Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-02 09:22:03,518 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/security.wvr.c[1957,1970] [2024-02-02 09:22:03,519 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-02 09:22:03,539 INFO L206 MainTranslator]: Completed translation [2024-02-02 09:22:03,540 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:22:03 WrapperNode [2024-02-02 09:22:03,540 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-02 09:22:03,541 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-02 09:22:03,541 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-02 09:22:03,541 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-02 09:22:03,546 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 02.02 09:22:03" (1/1) ... [2024-02-02 09:22:03,553 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 02.02 09:22:03" (1/1) ... [2024-02-02 09:22:03,570 INFO L138 Inliner]: procedures = 21, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2024-02-02 09:22:03,570 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-02 09:22:03,571 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-02 09:22:03,571 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-02 09:22:03,571 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-02 09:22:03,580 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:22:03" (1/1) ... [2024-02-02 09:22:03,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:22:03" (1/1) ... [2024-02-02 09:22:03,582 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:22:03" (1/1) ... [2024-02-02 09:22:03,596 INFO L175 MemorySlicer]: Split 6 memory accesses to 3 slices as follows [2, 2, 2]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-02-02 09:22:03,596 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:22:03" (1/1) ... [2024-02-02 09:22:03,596 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:22:03" (1/1) ... [2024-02-02 09:22:03,602 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:22:03" (1/1) ... [2024-02-02 09:22:03,604 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:22:03" (1/1) ... [2024-02-02 09:22:03,605 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:22:03" (1/1) ... [2024-02-02 09:22:03,606 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:22:03" (1/1) ... [2024-02-02 09:22:03,608 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-02 09:22:03,609 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-02 09:22:03,609 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-02 09:22:03,609 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-02 09:22:03,609 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:22:03" (1/1) ... [2024-02-02 09:22:03,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-02 09:22:03,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-02 09:22:03,641 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 09:22:03,642 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 09:22:03,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-02 09:22:03,675 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-02-02 09:22:03,675 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-02-02 09:22:03,677 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-02-02 09:22:03,677 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-02-02 09:22:03,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-02 09:22:03,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-02 09:22:03,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-02 09:22:03,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-02 09:22:03,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-02 09:22:03,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-02 09:22:03,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-02 09:22:03,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-02 09:22:03,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-02 09:22:03,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-02 09:22:03,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-02 09:22:03,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-02 09:22:03,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-02 09:22:03,681 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 09:22:03,789 INFO L244 CfgBuilder]: Building ICFG [2024-02-02 09:22:03,790 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-02 09:22:04,013 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-02 09:22:04,015 INFO L293 CfgBuilder]: Performing block encoding [2024-02-02 09:22:04,132 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-02 09:22:04,132 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-02 09:22:04,133 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:22:04 BoogieIcfgContainer [2024-02-02 09:22:04,133 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-02 09:22:04,135 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-02 09:22:04,135 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-02 09:22:04,138 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-02 09:22:04,138 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 09:22:03" (1/4) ... [2024-02-02 09:22:04,139 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12771313 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:22:04, skipping insertion in model container [2024-02-02 09:22:04,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:22:03" (2/4) ... [2024-02-02 09:22:04,139 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12771313 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 02.02 09:22:04, skipping insertion in model container [2024-02-02 09:22:04,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:22:03" (3/4) ... [2024-02-02 09:22:04,140 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12771313 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 02.02 09:22:04, skipping insertion in model container [2024-02-02 09:22:04,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:22:04" (4/4) ... [2024-02-02 09:22:04,141 INFO L112 eAbstractionObserver]: Analyzing ICFG security.wvr.c [2024-02-02 09:22:04,156 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-02 09:22:04,157 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 15 error locations. [2024-02-02 09:22:04,157 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-02 09:22:04,230 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-02-02 09:22:04,274 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 52 places, 47 transitions, 108 flow [2024-02-02 09:22:04,313 INFO L124 PetriNetUnfolderBase]: 2/45 cut-off events. [2024-02-02 09:22:04,313 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-02 09:22:04,321 INFO L83 FinitePrefix]: Finished finitePrefix Result has 54 conditions, 45 events. 2/45 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 84 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 35. Up to 2 conditions per place. [2024-02-02 09:22:04,321 INFO L82 GeneralOperation]: Start removeDead. Operand has 52 places, 47 transitions, 108 flow [2024-02-02 09:22:04,326 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 49 places, 44 transitions, 100 flow [2024-02-02 09:22:04,343 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-02 09:22:04,351 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;@277acd3d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-02 09:22:04,351 INFO L358 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2024-02-02 09:22:04,354 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-02 09:22:04,354 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-02 09:22:04,355 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-02 09:22:04,355 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:22:04,355 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-02 09:22:04,356 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 26 more)] === [2024-02-02 09:22:04,360 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:22:04,360 INFO L85 PathProgramCache]: Analyzing trace with hash 8009, now seen corresponding path program 1 times [2024-02-02 09:22:04,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:22:04,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205376766] [2024-02-02 09:22:04,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:22:04,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:22:04,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:22:04,894 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 09:22:04,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:22:04,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205376766] [2024-02-02 09:22:04,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205376766] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:22:04,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:22:04,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-02 09:22:04,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041401536] [2024-02-02 09:22:04,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:22:04,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-02 09:22:04,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:22:04,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-02 09:22:04,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-02 09:22:04,948 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 47 [2024-02-02 09:22:04,951 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 44 transitions, 100 flow. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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 09:22:04,951 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:22:04,951 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 47 [2024-02-02 09:22:04,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:22:05,171 INFO L124 PetriNetUnfolderBase]: 225/487 cut-off events. [2024-02-02 09:22:05,172 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2024-02-02 09:22:05,178 INFO L83 FinitePrefix]: Finished finitePrefix Result has 909 conditions, 487 events. 225/487 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 2261 event pairs, 189 based on Foata normal form. 0/449 useless extension candidates. Maximal degree in co-relation 815. Up to 391 conditions per place. [2024-02-02 09:22:05,183 INFO L140 encePairwiseOnDemand]: 44/47 looper letters, 26 selfloop transitions, 2 changer transitions 0/43 dead transitions. [2024-02-02 09:22:05,184 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 43 transitions, 154 flow [2024-02-02 09:22:05,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-02 09:22:05,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-02 09:22:05,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 80 transitions. [2024-02-02 09:22:05,198 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5673758865248227 [2024-02-02 09:22:05,200 INFO L175 Difference]: Start difference. First operand has 49 places, 44 transitions, 100 flow. Second operand 3 states and 80 transitions. [2024-02-02 09:22:05,201 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 43 transitions, 154 flow [2024-02-02 09:22:05,205 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 43 transitions, 146 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-02-02 09:22:05,211 INFO L231 Difference]: Finished difference. Result has 46 places, 43 transitions, 94 flow [2024-02-02 09:22:05,214 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=94, PETRI_PLACES=46, PETRI_TRANSITIONS=43} [2024-02-02 09:22:05,220 INFO L281 CegarLoopForPetriNet]: 49 programPoint places, -3 predicate places. [2024-02-02 09:22:05,221 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 43 transitions, 94 flow [2024-02-02 09:22:05,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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 09:22:05,222 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:22:05,222 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-02-02 09:22:05,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-02 09:22:05,223 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 26 more)] === [2024-02-02 09:22:05,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:22:05,224 INFO L85 PathProgramCache]: Analyzing trace with hash 248534, now seen corresponding path program 1 times [2024-02-02 09:22:05,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:22:05,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485864963] [2024-02-02 09:22:05,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:22:05,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:22:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:22:05,389 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 09:22:05,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:22:05,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485864963] [2024-02-02 09:22:05,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485864963] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:22:05,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:22:05,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-02 09:22:05,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379266068] [2024-02-02 09:22:05,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:22:05,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-02 09:22:05,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:22:05,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-02 09:22:05,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-02 09:22:05,405 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 47 [2024-02-02 09:22:05,406 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 43 transitions, 94 flow. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 09:22:05,406 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:22:05,406 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 47 [2024-02-02 09:22:05,407 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:22:05,593 INFO L124 PetriNetUnfolderBase]: 328/700 cut-off events. [2024-02-02 09:22:05,595 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-02-02 09:22:05,597 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1268 conditions, 700 events. 328/700 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 3785 event pairs, 88 based on Foata normal form. 0/642 useless extension candidates. Maximal degree in co-relation 1259. Up to 395 conditions per place. [2024-02-02 09:22:05,603 INFO L140 encePairwiseOnDemand]: 38/47 looper letters, 36 selfloop transitions, 8 changer transitions 0/59 dead transitions. [2024-02-02 09:22:05,604 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 59 transitions, 215 flow [2024-02-02 09:22:05,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-02 09:22:05,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-02 09:22:05,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 99 transitions. [2024-02-02 09:22:05,613 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7021276595744681 [2024-02-02 09:22:05,614 INFO L175 Difference]: Start difference. First operand has 46 places, 43 transitions, 94 flow. Second operand 3 states and 99 transitions. [2024-02-02 09:22:05,614 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 59 transitions, 215 flow [2024-02-02 09:22:05,615 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 59 transitions, 211 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-02 09:22:05,616 INFO L231 Difference]: Finished difference. Result has 46 places, 48 transitions, 136 flow [2024-02-02 09:22:05,616 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=136, PETRI_PLACES=46, PETRI_TRANSITIONS=48} [2024-02-02 09:22:05,617 INFO L281 CegarLoopForPetriNet]: 49 programPoint places, -3 predicate places. [2024-02-02 09:22:05,617 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 48 transitions, 136 flow [2024-02-02 09:22:05,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 09:22:05,617 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:22:05,618 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-02-02 09:22:05,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-02 09:22:05,618 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 26 more)] === [2024-02-02 09:22:05,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:22:05,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1185570225, now seen corresponding path program 1 times [2024-02-02 09:22:05,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:22:05,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73156663] [2024-02-02 09:22:05,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:22:05,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:22:05,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:22:05,700 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 09:22:05,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:22:05,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73156663] [2024-02-02 09:22:05,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73156663] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:22:05,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:22:05,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-02 09:22:05,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677786432] [2024-02-02 09:22:05,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:22:05,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-02 09:22:05,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:22:05,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-02 09:22:05,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-02-02 09:22:05,714 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 47 [2024-02-02 09:22:05,715 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 48 transitions, 136 flow. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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 09:22:05,715 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:22:05,715 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 47 [2024-02-02 09:22:05,716 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:22:05,862 INFO L124 PetriNetUnfolderBase]: 354/685 cut-off events. [2024-02-02 09:22:05,862 INFO L125 PetriNetUnfolderBase]: For 94/94 co-relation queries the response was YES. [2024-02-02 09:22:05,863 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1548 conditions, 685 events. 354/685 cut-off events. For 94/94 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 3219 event pairs, 115 based on Foata normal form. 86/711 useless extension candidates. Maximal degree in co-relation 576. Up to 567 conditions per place. [2024-02-02 09:22:05,867 INFO L140 encePairwiseOnDemand]: 40/47 looper letters, 43 selfloop transitions, 2 changer transitions 0/54 dead transitions. [2024-02-02 09:22:05,867 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 54 transitions, 246 flow [2024-02-02 09:22:05,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-02-02 09:22:05,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-02-02 09:22:05,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 96 transitions. [2024-02-02 09:22:05,873 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5106382978723404 [2024-02-02 09:22:05,874 INFO L175 Difference]: Start difference. First operand has 46 places, 48 transitions, 136 flow. Second operand 4 states and 96 transitions. [2024-02-02 09:22:05,874 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 54 transitions, 246 flow [2024-02-02 09:22:05,877 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 54 transitions, 237 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-02-02 09:22:05,878 INFO L231 Difference]: Finished difference. Result has 43 places, 43 transitions, 122 flow [2024-02-02 09:22:05,878 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=122, PETRI_PLACES=43, PETRI_TRANSITIONS=43} [2024-02-02 09:22:05,880 INFO L281 CegarLoopForPetriNet]: 49 programPoint places, -6 predicate places. [2024-02-02 09:22:05,880 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 43 transitions, 122 flow [2024-02-02 09:22:05,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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 09:22:05,880 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:22:05,880 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-02 09:22:05,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-02-02 09:22:05,881 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 26 more)] === [2024-02-02 09:22:05,882 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:22:05,882 INFO L85 PathProgramCache]: Analyzing trace with hash 1902028953, now seen corresponding path program 1 times [2024-02-02 09:22:05,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:22:05,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076493447] [2024-02-02 09:22:05,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:22:05,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:22:05,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-02 09:22:05,901 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-02 09:22:05,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-02 09:22:05,942 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-02 09:22:05,943 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-02 09:22:05,947 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 29 remaining) [2024-02-02 09:22:05,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 29 remaining) [2024-02-02 09:22:05,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 29 remaining) [2024-02-02 09:22:05,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 29 remaining) [2024-02-02 09:22:05,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 29 remaining) [2024-02-02 09:22:05,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 29 remaining) [2024-02-02 09:22:05,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 29 remaining) [2024-02-02 09:22:05,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 29 remaining) [2024-02-02 09:22:05,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 29 remaining) [2024-02-02 09:22:05,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 29 remaining) [2024-02-02 09:22:05,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 29 remaining) [2024-02-02 09:22:05,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 29 remaining) [2024-02-02 09:22:05,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 29 remaining) [2024-02-02 09:22:05,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 29 remaining) [2024-02-02 09:22:05,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 29 remaining) [2024-02-02 09:22:05,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (13 of 29 remaining) [2024-02-02 09:22:05,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 29 remaining) [2024-02-02 09:22:05,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 29 remaining) [2024-02-02 09:22:05,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 29 remaining) [2024-02-02 09:22:05,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 29 remaining) [2024-02-02 09:22:05,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 29 remaining) [2024-02-02 09:22:05,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 29 remaining) [2024-02-02 09:22:05,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 29 remaining) [2024-02-02 09:22:05,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 29 remaining) [2024-02-02 09:22:05,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 29 remaining) [2024-02-02 09:22:05,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 29 remaining) [2024-02-02 09:22:05,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 29 remaining) [2024-02-02 09:22:05,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 29 remaining) [2024-02-02 09:22:05,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 29 remaining) [2024-02-02 09:22:05,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-02-02 09:22:05,956 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-02-02 09:22:05,961 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-02 09:22:05,962 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-02 09:22:05,985 INFO L503 ceAbstractionStarter]: Automizer considered 14 witness invariants [2024-02-02 09:22:05,985 INFO L504 ceAbstractionStarter]: WitnessConsidered=14 [2024-02-02 09:22:05,987 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.02 09:22:05 BasicIcfg [2024-02-02 09:22:05,987 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-02 09:22:05,987 INFO L158 Benchmark]: Toolchain (without parser) took 2734.79ms. Allocated memory was 151.0MB in the beginning and 232.8MB in the end (delta: 81.8MB). Free memory was 91.6MB in the beginning and 184.8MB in the end (delta: -93.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-02 09:22:05,988 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 151.0MB. Free memory is still 111.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-02 09:22:05,988 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 151.0MB. Free memory is still 95.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-02 09:22:05,988 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.37ms. Allocated memory is still 151.0MB. Free memory was 91.6MB in the beginning and 76.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-02-02 09:22:05,989 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.45ms. Allocated memory is still 151.0MB. Free memory was 76.9MB in the beginning and 75.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-02 09:22:05,990 INFO L158 Benchmark]: Boogie Preprocessor took 37.33ms. Allocated memory is still 151.0MB. Free memory was 75.5MB in the beginning and 73.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-02 09:22:05,992 INFO L158 Benchmark]: RCFGBuilder took 524.50ms. Allocated memory is still 151.0MB. Free memory was 73.4MB in the beginning and 105.1MB in the end (delta: -31.7MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2024-02-02 09:22:05,992 INFO L158 Benchmark]: TraceAbstraction took 1852.00ms. Allocated memory was 151.0MB in the beginning and 232.8MB in the end (delta: 81.8MB). Free memory was 104.4MB in the beginning and 184.8MB in the end (delta: -80.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-02 09:22:05,993 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 151.0MB. Free memory is still 111.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 151.0MB. Free memory is still 95.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.37ms. Allocated memory is still 151.0MB. Free memory was 91.6MB in the beginning and 76.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.45ms. Allocated memory is still 151.0MB. Free memory was 76.9MB in the beginning and 75.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.33ms. Allocated memory is still 151.0MB. Free memory was 75.5MB in the beginning and 73.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 524.50ms. Allocated memory is still 151.0MB. Free memory was 73.4MB in the beginning and 105.1MB in the end (delta: -31.7MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1852.00ms. Allocated memory was 151.0MB in the beginning and 232.8MB in the end (delta: 81.8MB). Free memory was 104.4MB in the beginning and 184.8MB in the end (delta: -80.5MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 43]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L38] 0 unsigned int y, x1, z1, l1, x2, z2, l2; [L66] 0 pthread_t t1, t2; VAL [l1=0, l2=0, t1={3:0}, t2={5:0}, x1=0, x2=0, y=0, z1=0, z2=0] [L68] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[y],IntegerLiteral[0U]],BinaryExpression[COMPEQ,IdentifierExpression[x1],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[z1],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[l1],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[x2],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[z2],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[l2],IntegerLiteral[0U]]]]] [L68] 0 y = __VERIFIER_nondet_uint() [L70] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[x1],IntegerLiteral[0U]],BinaryExpression[COMPEQ,IdentifierExpression[z1],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[l1],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[x2],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[z2],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[l2],IntegerLiteral[0U]]]]] [L70] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [_argptr={0:0}, l1=0, l2=0, t1={3:0}, t2={5:0}, x1=0, x2=0, z1=0, z2=0] [L42] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[_argptr]],IntegerLiteral[0UL]]]] [L42] 1 z1 = 1 VAL [_argptr={0:0}, _argptr={0:0}, l1=0, l2=0, x1=0, x2=0, z1=1, z2=0] [L43] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[y],IntegerLiteral[0U]],BinaryExpression[COMPEQ,IdentifierExpression[x1],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[z1],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[l1],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[x2],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[z2],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[l2],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[_argptr]],IntegerLiteral[0UL]]]]] VAL [_argptr={0:0}, _argptr={0:0}, l1=0, l2=0, x1=0, x2=0, y=1, z1=1, z2=0] - UnprovableResult [Line: 42]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 48]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 50]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 58]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 60]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 68]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 76]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 70]: 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: 71]: 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. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 78 locations, 29 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: 1.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 77 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 69 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 181 IncrementalHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 1 mSDtfsCounter, 181 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=136occurred in iteration=2, InterpolantAutomatonStates: 10, 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, 0.6s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 83 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 09:22:06,034 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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