./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 958ec4d9 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-dev-958ec4d-m [2024-02-07 14:34:38,684 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 14:34:38,744 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 14:34:38,751 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 14:34:38,752 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 14:34:38,777 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 14:34:38,777 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 14:34:38,778 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 14:34:38,778 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 14:34:38,778 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 14:34:38,779 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 14:34:38,779 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 14:34:38,779 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 14:34:38,780 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 14:34:38,780 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 14:34:38,780 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 14:34:38,782 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 14:34:38,785 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 14:34:38,786 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 14:34:38,786 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 14:34:38,786 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 14:34:38,787 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 14:34:38,787 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 14:34:38,788 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 14:34:38,788 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 14:34:38,788 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 14:34:38,788 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 14:34:38,788 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 14:34:38,789 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 14:34:38,789 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 14:34:38,789 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 14:34:38,789 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 14:34:38,789 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:34:38,790 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 14:34:38,791 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 14:34:38,791 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 14:34:38,791 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 14:34:38,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 14:34:38,792 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 14:34:38,792 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 14:34:38,792 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 14:34:38,792 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 14:34:38,792 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 14:34:38,793 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 14:34:39,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 14:34:39,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 14:34:39,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 14:34:39,074 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 14:34:39,074 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 14:34:39,075 INFO L431 ainManager$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 14:34:39,161 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 14:34:39,162 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 14:34:39,162 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-bakery-2.wvr.c [2024-02-07 14:34:40,367 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 14:34:40,571 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 14:34:40,572 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bakery-2.wvr.c [2024-02-07 14:34:40,582 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0463858f/d44e9e97baf24514835231b06bde95f4/FLAG1952f48ce [2024-02-07 14:34:40,598 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0463858f/d44e9e97baf24514835231b06bde95f4 [2024-02-07 14:34:40,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 14:34:40,602 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 14:34:40,605 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 14:34:40,605 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 14:34:40,609 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 14:34:40,609 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:34:39" (1/2) ... [2024-02-07 14:34:40,610 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d067dd4 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:34:40, skipping insertion in model container [2024-02-07 14:34:40,611 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:34:39" (1/2) ... [2024-02-07 14:34:40,612 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@32768c42 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:34:40, skipping insertion in model container [2024-02-07 14:34:40,612 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:34:40" (2/2) ... [2024-02-07 14:34:40,612 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d067dd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:34:40, skipping insertion in model container [2024-02-07 14:34:40,613 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:34:40" (2/2) ... [2024-02-07 14:34:40,613 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 14:34:40,636 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 14:34:40,637 INFO L76 edCorrectnessWitness]: Location invariant before [L70-L70] n1 == 0 [2024-02-07 14:34:40,637 INFO L76 edCorrectnessWitness]: Location invariant before [L53-L53] e1 == (_Bool)0 [2024-02-07 14:34:40,638 INFO L76 edCorrectnessWitness]: Location invariant before [L101-L101] -2147483647 <= i [2024-02-07 14:34:40,638 INFO L76 edCorrectnessWitness]: Location invariant before [L115-L115] e2 == (_Bool)0 || e2 == (_Bool)1 [2024-02-07 14:34:40,638 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 14:34:40,638 INFO L76 edCorrectnessWitness]: Location invariant before [L50-L50] -2147483647 <= n1 [2024-02-07 14:34:40,639 INFO L76 edCorrectnessWitness]: Location invariant before [L59-L59] n2 != 0 [2024-02-07 14:34:40,639 INFO L76 edCorrectnessWitness]: Location invariant before [L78-L78] e2 == (_Bool)1 [2024-02-07 14:34:40,639 INFO L76 edCorrectnessWitness]: Location invariant before [L84-L84] -2147483647 <= n2 [2024-02-07 14:34:40,639 INFO L76 edCorrectnessWitness]: Location invariant before [L114-L114] e1 == (_Bool)0 || e1 == (_Bool)1 [2024-02-07 14:34:40,639 INFO L76 edCorrectnessWitness]: Location invariant before [L44-L44] e1 == (_Bool)1 [2024-02-07 14:34:40,639 INFO L76 edCorrectnessWitness]: Location invariant before [L56-L56] e2 == (_Bool)0 || e2 == (_Bool)1 [2024-02-07 14:34:40,639 INFO L76 edCorrectnessWitness]: Location invariant before [L104-L104] n2 == 0 [2024-02-07 14:34:40,639 INFO L76 edCorrectnessWitness]: Location invariant before [L67-L67] -2147483647 <= i [2024-02-07 14:34:40,640 INFO L76 edCorrectnessWitness]: Location invariant before [L87-L87] e2 == (_Bool)0 [2024-02-07 14:34:40,640 INFO L76 edCorrectnessWitness]: Location invariant before [L90-L90] e1 == (_Bool)0 || e1 == (_Bool)1 [2024-02-07 14:34:40,640 INFO L76 edCorrectnessWitness]: Location invariant before [L93-L93] n1 != 0 [2024-02-07 14:34:40,660 INFO L178 MainTranslator]: Built tables and reachable declarations [2024-02-07 14:34:40,794 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 14:34:40,798 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:34:40,804 INFO L203 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 14:34:40,860 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 14:34:40,861 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:34:40,872 INFO L207 MainTranslator]: Completed translation [2024-02-07 14:34:40,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:34:40 WrapperNode [2024-02-07 14:34:40,884 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 14:34:40,885 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 14:34:40,885 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 14:34:40,886 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 14:34:40,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:34:40" (1/1) ... [2024-02-07 14:34:40,896 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:34:40" (1/1) ... [2024-02-07 14:34:40,920 INFO L138 Inliner]: procedures = 21, calls = 60, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 173 [2024-02-07 14:34:40,921 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 14:34:40,922 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 14:34:40,922 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 14:34:40,922 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 14:34:40,930 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:34:40" (1/1) ... [2024-02-07 14:34:40,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:34:40" (1/1) ... [2024-02-07 14:34:40,946 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:34:40" (1/1) ... [2024-02-07 14:34:40,964 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 14:34:40,971 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:34:40" (1/1) ... [2024-02-07 14:34:40,971 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:34:40" (1/1) ... [2024-02-07 14:34:40,975 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:34:40" (1/1) ... [2024-02-07 14:34:40,978 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:34:40" (1/1) ... [2024-02-07 14:34:40,985 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:34:40" (1/1) ... [2024-02-07 14:34:40,986 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:34:40" (1/1) ... [2024-02-07 14:34:40,988 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 14:34:40,991 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 14:34:40,991 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 14:34:40,991 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 14:34:40,991 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:34:40" (1/1) ... [2024-02-07 14:34:41,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:34:41,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 14:34:41,020 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 14:34:41,032 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 14:34:41,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 14:34:41,055 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-02-07 14:34:41,055 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-02-07 14:34:41,055 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-02-07 14:34:41,055 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-02-07 14:34:41,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 14:34:41,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 14:34:41,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 14:34:41,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 14:34:41,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 14:34:41,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 14:34:41,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 14:34:41,056 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 14:34:41,056 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 14:34:41,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 14:34:41,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 14:34:41,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-07 14:34:41,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-07 14:34:41,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-07 14:34:41,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 14:34:41,058 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 14:34:41,194 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 14:34:41,195 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 14:34:41,455 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 14:34:41,456 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 14:34:41,616 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 14:34:41,622 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 14:34:41,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:34:41 BoogieIcfgContainer [2024-02-07 14:34:41,640 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 14:34:41,641 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 14:34:41,641 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 14:34:41,657 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 14:34:41,658 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:34:39" (1/4) ... [2024-02-07 14:34:41,659 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@638b6d3 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:34:41, skipping insertion in model container [2024-02-07 14:34:41,659 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 02:34:40" (2/4) ... [2024-02-07 14:34:41,659 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@638b6d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:34:41, skipping insertion in model container [2024-02-07 14:34:41,659 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:34:40" (3/4) ... [2024-02-07 14:34:41,660 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@638b6d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:34:41, skipping insertion in model container [2024-02-07 14:34:41,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:34:41" (4/4) ... [2024-02-07 14:34:41,662 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-bakery-2.wvr.c [2024-02-07 14:34:41,674 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 14:34:41,675 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2024-02-07 14:34:41,675 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 14:34:41,723 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-02-07 14:34:41,758 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 62 places, 55 transitions, 124 flow [2024-02-07 14:34:41,796 INFO L124 PetriNetUnfolderBase]: 0/53 cut-off events. [2024-02-07 14:34:41,797 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-07 14:34:41,799 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 14:34:41,799 INFO L82 GeneralOperation]: Start removeDead. Operand has 62 places, 55 transitions, 124 flow [2024-02-07 14:34:41,802 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 59 places, 52 transitions, 116 flow [2024-02-07 14:34:41,815 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:34:41,821 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;@ba9262c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:34:41,821 INFO L358 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2024-02-07 14:34:41,823 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:34:41,823 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-07 14:34:41,823 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:34:41,824 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:34:41,824 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-07 14:34:41,824 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 14:34:41,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:34:41,829 INFO L85 PathProgramCache]: Analyzing trace with hash 12944, now seen corresponding path program 1 times [2024-02-07 14:34:41,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:34:41,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339756314] [2024-02-07 14:34:41,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:34:41,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:34:41,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:34:41,905 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 14:34:41,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:34:41,930 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 14:34:41,933 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 14:34:41,934 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 34 remaining) [2024-02-07 14:34:41,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 34 remaining) [2024-02-07 14:34:41,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 34 remaining) [2024-02-07 14:34:41,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 34 remaining) [2024-02-07 14:34:41,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 34 remaining) [2024-02-07 14:34:41,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 34 remaining) [2024-02-07 14:34:41,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 34 remaining) [2024-02-07 14:34:41,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 34 remaining) [2024-02-07 14:34:41,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 34 remaining) [2024-02-07 14:34:41,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 34 remaining) [2024-02-07 14:34:41,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 34 remaining) [2024-02-07 14:34:41,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 34 remaining) [2024-02-07 14:34:41,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 34 remaining) [2024-02-07 14:34:41,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 34 remaining) [2024-02-07 14:34:41,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 34 remaining) [2024-02-07 14:34:41,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 34 remaining) [2024-02-07 14:34:41,941 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 34 remaining) [2024-02-07 14:34:41,941 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (16 of 34 remaining) [2024-02-07 14:34:41,941 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 34 remaining) [2024-02-07 14:34:41,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 34 remaining) [2024-02-07 14:34:41,943 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 34 remaining) [2024-02-07 14:34:41,943 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 34 remaining) [2024-02-07 14:34:41,944 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 34 remaining) [2024-02-07 14:34:41,944 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 34 remaining) [2024-02-07 14:34:41,944 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 34 remaining) [2024-02-07 14:34:41,944 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 34 remaining) [2024-02-07 14:34:41,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 34 remaining) [2024-02-07 14:34:41,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 34 remaining) [2024-02-07 14:34:41,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 34 remaining) [2024-02-07 14:34:41,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 34 remaining) [2024-02-07 14:34:41,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 34 remaining) [2024-02-07 14:34:41,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 34 remaining) [2024-02-07 14:34:41,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 34 remaining) [2024-02-07 14:34:41,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 34 remaining) [2024-02-07 14:34:41,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 14:34:41,951 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-02-07 14:34:41,960 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 14:34:41,961 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 14:34:41,973 INFO L503 ceAbstractionStarter]: Automizer considered 17 witness invariants [2024-02-07 14:34:41,973 INFO L504 ceAbstractionStarter]: WitnessConsidered=17 [2024-02-07 14:34:41,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 02:34:41 BasicIcfg [2024-02-07 14:34:41,975 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 14:34:41,976 INFO L158 Benchmark]: Toolchain (without parser) took 1373.71ms. Allocated memory is still 157.3MB. Free memory was 128.3MB in the beginning and 95.1MB in the end (delta: 33.2MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. [2024-02-07 14:34:41,976 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 157.3MB. Free memory is still 131.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:34:41,976 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 157.3MB. Free memory is still 128.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:34:41,977 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.42ms. Allocated memory is still 157.3MB. Free memory was 127.9MB in the beginning and 112.1MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-02-07 14:34:41,979 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.42ms. Allocated memory is still 157.3MB. Free memory was 112.1MB in the beginning and 110.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 14:34:41,979 INFO L158 Benchmark]: Boogie Preprocessor took 68.04ms. Allocated memory is still 157.3MB. Free memory was 110.0MB in the beginning and 107.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 14:34:41,980 INFO L158 Benchmark]: RCFGBuilder took 649.23ms. Allocated memory is still 157.3MB. Free memory was 107.9MB in the beginning and 121.0MB in the end (delta: -13.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-02-07 14:34:41,983 INFO L158 Benchmark]: TraceAbstraction took 333.85ms. Allocated memory is still 157.3MB. Free memory was 120.3MB in the beginning and 95.1MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-02-07 14:34:41,986 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 0.17ms. Allocated memory is still 157.3MB. Free memory is still 131.5MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.16ms. Allocated memory is still 157.3MB. Free memory is still 128.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.42ms. Allocated memory is still 157.3MB. Free memory was 127.9MB in the beginning and 112.1MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.42ms. Allocated memory is still 157.3MB. Free memory was 112.1MB in the beginning and 110.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.04ms. Allocated memory is still 157.3MB. Free memory was 110.0MB in the beginning and 107.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 649.23ms. Allocated memory is still 157.3MB. Free memory was 107.9MB in the beginning and 121.0MB in the end (delta: -13.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * TraceAbstraction took 333.85ms. Allocated memory is still 157.3MB. Free memory was 120.3MB in the beginning and 95.1MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. 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: 0.1s, 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 14:34:42,017 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