./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-bakery-2.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/parallel-bakery-2.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7c74aec 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/parallel-bakery-2.wvr.c ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/parallel-bakery-2.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-wip.fs.fix-undeclared-acsl-variable-e7c74ae-m [2024-02-07 19:12:49,878 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 19:12:49,948 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 19:12:49,953 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 19:12:49,953 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 19:12:49,979 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 19:12:49,982 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 19:12:49,983 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 19:12:49,983 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 19:12:49,986 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 19:12:49,987 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 19:12:49,987 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 19:12:49,988 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 19:12:49,989 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 19:12:49,989 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 19:12:49,989 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 19:12:49,989 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 19:12:49,989 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 19:12:49,990 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 19:12:49,990 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 19:12:49,990 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 19:12:49,990 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 19:12:49,991 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 19:12:49,991 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 19:12:49,991 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 19:12:49,991 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 19:12:49,991 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 19:12:49,992 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 19:12:49,992 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 19:12:49,992 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 19:12:49,993 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 19:12:49,993 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 19:12:49,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:12:49,994 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 19:12:49,994 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 19:12:49,994 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 19:12:49,994 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 19:12:49,994 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 19:12:49,994 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 19:12:49,995 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 19:12:49,995 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 19:12:49,995 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 19:12:49,995 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 19:12:49,995 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 19:12:50,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 19:12:50,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 19:12:50,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 19:12:50,232 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 19:12:50,232 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 19:12:50,233 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/parallel-bakery-2.wvr.yml/witness.yml [2024-02-07 19:12:50,302 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 19:12:50,303 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 19:12:50,303 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-bakery-2.wvr.c [2024-02-07 19:12:51,337 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 19:12:51,508 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 19:12:51,509 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bakery-2.wvr.c [2024-02-07 19:12:51,514 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21b8286fd/e00df947c5514adfba00e379c52ede49/FLAG5ab707e7c [2024-02-07 19:12:51,524 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21b8286fd/e00df947c5514adfba00e379c52ede49 [2024-02-07 19:12:51,524 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 19:12:51,525 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 19:12:51,527 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 19:12:51,528 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 19:12:51,531 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 19:12:51,532 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:12:50" (1/2) ... [2024-02-07 19:12:51,533 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@116667f2 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:12:51, skipping insertion in model container [2024-02-07 19:12:51,533 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:12:50" (1/2) ... [2024-02-07 19:12:51,534 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@65965bff and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:12:51, skipping insertion in model container [2024-02-07 19:12:51,534 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:12:51" (2/2) ... [2024-02-07 19:12:51,534 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@116667f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:12:51, skipping insertion in model container [2024-02-07 19:12:51,534 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:12:51" (2/2) ... [2024-02-07 19:12:51,535 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 19:12:51,549 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 19:12:51,550 INFO L76 edCorrectnessWitness]: Location invariant before [L101-L101] -2147483647 <= i [2024-02-07 19:12:51,550 INFO L76 edCorrectnessWitness]: Location invariant before [L53-L53] e1 == (_Bool)0 [2024-02-07 19:12:51,550 INFO L76 edCorrectnessWitness]: Location invariant before [L59-L59] n2 != 0 [2024-02-07 19:12:51,550 INFO L76 edCorrectnessWitness]: Location invariant before [L104-L104] n2 == 0 [2024-02-07 19:12:51,550 INFO L76 edCorrectnessWitness]: Location invariant before [L67-L67] -2147483647 <= i [2024-02-07 19:12:51,551 INFO L76 edCorrectnessWitness]: Location invariant before [L44-L44] e1 == (_Bool)1 [2024-02-07 19:12:51,551 INFO L76 edCorrectnessWitness]: Location invariant before [L78-L78] e2 == (_Bool)1 [2024-02-07 19:12:51,551 INFO L76 edCorrectnessWitness]: Location invariant before [L70-L70] n1 == 0 [2024-02-07 19:12:51,551 INFO L76 edCorrectnessWitness]: Location invariant before [L87-L87] e2 == (_Bool)0 [2024-02-07 19:12:51,551 INFO L76 edCorrectnessWitness]: Location invariant before [L93-L93] n1 != 0 [2024-02-07 19:12:51,552 INFO L76 edCorrectnessWitness]: Location invariant before [L50-L50] -2147483647 <= n1 [2024-02-07 19:12:51,552 INFO L76 edCorrectnessWitness]: Location invariant before [L115-L115] e2 == (_Bool)0 || e2 == (_Bool)1 [2024-02-07 19:12:51,552 INFO L76 edCorrectnessWitness]: Location invariant before [L90-L90] e1 == (_Bool)0 || e1 == (_Bool)1 [2024-02-07 19:12:51,552 INFO L76 edCorrectnessWitness]: Location invariant before [L114-L114] e1 == (_Bool)0 || e1 == (_Bool)1 [2024-02-07 19:12:51,552 INFO L76 edCorrectnessWitness]: Location invariant before [L84-L84] -2147483647 <= n2 [2024-02-07 19:12:51,552 INFO L76 edCorrectnessWitness]: Location invariant before [L122-L122] (i == 0) && ((e1 == (_Bool)0 && (e2 == (_Bool)0 || (e2 == (_Bool)0 || e2 == (_Bool)1))) || ((e1 == (_Bool)0 || e1 == (_Bool)1) && (e2 == (_Bool)0 || e2 == (_Bool)1))) [2024-02-07 19:12:51,552 INFO L76 edCorrectnessWitness]: Location invariant before [L56-L56] e2 == (_Bool)0 || e2 == (_Bool)1 [2024-02-07 19:12:51,572 INFO L181 MainTranslator]: Built tables and reachable declarations [2024-02-07 19:12:51,698 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/parallel-bakery-2.wvr.c[3538,3551] [2024-02-07 19:12:51,713 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:12:51,724 INFO L206 MainTranslator]: Completed pre-run 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 Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-07 19:12:51,785 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/parallel-bakery-2.wvr.c[3538,3551] [2024-02-07 19:12:51,788 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:12:51,800 INFO L211 MainTranslator]: Completed translation [2024-02-07 19:12:51,800 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:12:51 WrapperNode [2024-02-07 19:12:51,801 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 19:12:51,801 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 19:12:51,802 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 19:12:51,802 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 19:12:51,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:12:51" (1/1) ... [2024-02-07 19:12:51,812 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:12:51" (1/1) ... [2024-02-07 19:12:51,832 INFO L138 Inliner]: procedures = 21, calls = 60, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 173 [2024-02-07 19:12:51,832 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 19:12:51,832 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 19:12:51,833 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 19:12:51,833 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 19:12:51,841 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:12:51" (1/1) ... [2024-02-07 19:12:51,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:12:51" (1/1) ... [2024-02-07 19:12:51,844 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:12:51" (1/1) ... [2024-02-07 19:12:51,858 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]. [2024-02-07 19:12:51,859 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:12:51" (1/1) ... [2024-02-07 19:12:51,859 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:12:51" (1/1) ... [2024-02-07 19:12:51,863 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:12:51" (1/1) ... [2024-02-07 19:12:51,865 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:12:51" (1/1) ... [2024-02-07 19:12:51,866 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:12:51" (1/1) ... [2024-02-07 19:12:51,867 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:12:51" (1/1) ... [2024-02-07 19:12:51,871 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 19:12:51,871 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 19:12:51,871 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 19:12:51,872 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 19:12:51,872 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:12:51" (1/1) ... [2024-02-07 19:12:51,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:12:51,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 19:12:51,898 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) [2024-02-07 19:12:51,899 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 [2024-02-07 19:12:51,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 19:12:51,926 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-02-07 19:12:51,927 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-02-07 19:12:51,927 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-02-07 19:12:51,927 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-02-07 19:12:51,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 19:12:51,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 19:12:51,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 19:12:51,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 19:12:51,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 19:12:51,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 19:12:51,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 19:12:51,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 19:12:51,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 19:12:51,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 19:12:51,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 19:12:51,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-07 19:12:51,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-07 19:12:51,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-07 19:12:51,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 19:12:51,930 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-07 19:12:52,031 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 19:12:52,032 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 19:12:52,274 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 19:12:52,274 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 19:12:52,439 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 19:12:52,440 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 19:12:52,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:12:52 BoogieIcfgContainer [2024-02-07 19:12:52,440 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 19:12:52,442 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 19:12:52,442 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 19:12:52,446 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 19:12:52,446 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:12:50" (1/4) ... [2024-02-07 19:12:52,446 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f63c608 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:12:52, skipping insertion in model container [2024-02-07 19:12:52,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 07:12:51" (2/4) ... [2024-02-07 19:12:52,447 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f63c608 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:12:52, skipping insertion in model container [2024-02-07 19:12:52,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:12:51" (3/4) ... [2024-02-07 19:12:52,447 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f63c608 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:12:52, skipping insertion in model container [2024-02-07 19:12:52,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:12:52" (4/4) ... [2024-02-07 19:12:52,466 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-bakery-2.wvr.c [2024-02-07 19:12:52,495 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 19:12:52,495 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2024-02-07 19:12:52,495 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 19:12:52,539 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-02-07 19:12:52,574 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 62 places, 55 transitions, 124 flow [2024-02-07 19:12:52,606 INFO L124 PetriNetUnfolderBase]: 0/53 cut-off events. [2024-02-07 19:12:52,607 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-07 19:12:52,608 INFO L83 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 53 events. 0/53 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 82 event pairs, 0 based on Foata normal form. 0/35 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-02-07 19:12:52,608 INFO L82 GeneralOperation]: Start removeDead. Operand has 62 places, 55 transitions, 124 flow [2024-02-07 19:12:52,611 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 59 places, 52 transitions, 116 flow [2024-02-07 19:12:52,621 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 19:12:52,625 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;@9869bc2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 19:12:52,625 INFO L358 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2024-02-07 19:12:52,627 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 19:12:52,627 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-07 19:12:52,627 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:12:52,627 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:12:52,628 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-07 19:12:52,629 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 31 more)] === [2024-02-07 19:12:52,632 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:12:52,633 INFO L85 PathProgramCache]: Analyzing trace with hash 12944, now seen corresponding path program 1 times [2024-02-07 19:12:52,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:12:52,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18409397] [2024-02-07 19:12:52,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:12:52,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:12:52,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 19:12:52,729 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 19:12:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 19:12:52,771 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 19:12:52,772 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 19:12:52,773 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 34 remaining) [2024-02-07 19:12:52,774 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 34 remaining) [2024-02-07 19:12:52,774 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 34 remaining) [2024-02-07 19:12:52,775 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 34 remaining) [2024-02-07 19:12:52,775 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 34 remaining) [2024-02-07 19:12:52,775 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 34 remaining) [2024-02-07 19:12:52,775 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 34 remaining) [2024-02-07 19:12:52,776 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 34 remaining) [2024-02-07 19:12:52,776 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 34 remaining) [2024-02-07 19:12:52,776 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 34 remaining) [2024-02-07 19:12:52,776 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 34 remaining) [2024-02-07 19:12:52,777 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 34 remaining) [2024-02-07 19:12:52,777 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 34 remaining) [2024-02-07 19:12:52,778 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 34 remaining) [2024-02-07 19:12:52,778 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 34 remaining) [2024-02-07 19:12:52,778 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 34 remaining) [2024-02-07 19:12:52,778 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 34 remaining) [2024-02-07 19:12:52,779 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (16 of 34 remaining) [2024-02-07 19:12:52,779 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 34 remaining) [2024-02-07 19:12:52,779 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 34 remaining) [2024-02-07 19:12:52,780 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 34 remaining) [2024-02-07 19:12:52,780 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 34 remaining) [2024-02-07 19:12:52,781 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 34 remaining) [2024-02-07 19:12:52,781 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 34 remaining) [2024-02-07 19:12:52,782 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 34 remaining) [2024-02-07 19:12:52,782 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 34 remaining) [2024-02-07 19:12:52,782 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 34 remaining) [2024-02-07 19:12:52,782 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 34 remaining) [2024-02-07 19:12:52,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 34 remaining) [2024-02-07 19:12:52,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 34 remaining) [2024-02-07 19:12:52,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 34 remaining) [2024-02-07 19:12:52,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 34 remaining) [2024-02-07 19:12:52,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 34 remaining) [2024-02-07 19:12:52,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 34 remaining) [2024-02-07 19:12:52,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 19:12:52,788 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-02-07 19:12:52,794 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 19:12:52,795 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 19:12:52,807 INFO L503 ceAbstractionStarter]: Automizer considered 17 witness invariants [2024-02-07 19:12:52,807 INFO L504 ceAbstractionStarter]: WitnessConsidered=17 [2024-02-07 19:12:52,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 07:12:52 BasicIcfg [2024-02-07 19:12:52,809 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 19:12:52,810 INFO L158 Benchmark]: Toolchain (without parser) took 1284.56ms. Allocated memory is still 163.6MB. Free memory was 104.4MB in the beginning and 105.7MB in the end (delta: -1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:12:52,810 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 163.6MB. Free memory is still 127.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:12:52,810 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 163.6MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:12:52,811 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.64ms. Allocated memory is still 163.6MB. Free memory was 104.1MB in the beginning and 88.3MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-02-07 19:12:52,811 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.61ms. Allocated memory is still 163.6MB. Free memory was 88.3MB in the beginning and 86.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 19:12:52,813 INFO L158 Benchmark]: Boogie Preprocessor took 38.28ms. Allocated memory is still 163.6MB. Free memory was 86.2MB in the beginning and 84.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 19:12:52,814 INFO L158 Benchmark]: RCFGBuilder took 568.82ms. Allocated memory is still 163.6MB. Free memory was 84.1MB in the beginning and 131.8MB in the end (delta: -47.7MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. [2024-02-07 19:12:52,817 INFO L158 Benchmark]: TraceAbstraction took 366.52ms. Allocated memory is still 163.6MB. Free memory was 131.0MB in the beginning and 105.7MB in the end (delta: 25.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-02-07 19:12:52,820 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 0.15ms. Allocated memory is still 163.6MB. Free memory is still 127.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.17ms. Allocated memory is still 163.6MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.64ms. Allocated memory is still 163.6MB. Free memory was 104.1MB in the beginning and 88.3MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.61ms. Allocated memory is still 163.6MB. Free memory was 88.3MB in the beginning and 86.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.28ms. Allocated memory is still 163.6MB. Free memory was 86.2MB in the beginning and 84.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 568.82ms. Allocated memory is still 163.6MB. Free memory was 84.1MB in the beginning and 131.8MB in the end (delta: -47.7MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. * TraceAbstraction took 366.52ms. Allocated memory is still 163.6MB. Free memory was 131.0MB in the beginning and 105.7MB in the end (delta: 25.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 114]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L38] _Bool e1, e2; [L39] int n1, n2, i, i1, i2; [L110] pthread_t t1, t2; [L113] e1 = __VERIFIER_nondet_bool() [L114] CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[e1],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[e1],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]] VAL [e1=2, e2=0, i=0, i=0, i=0, n1=0, n2=0, t1={3:0}, t2={5:0}] - 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: 50]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 53]: 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: 59]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 67]: 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: 78]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 93]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 101]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 104]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 115]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 122]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 130]: 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: 125]: 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: 124]: 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, 96 locations, 34 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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! [2024-02-07 19:12:52,847 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