./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-ticket-3.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-ticket-3.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-ticket-3.wvr.c ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/parallel-ticket-3.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 19:15:23,245 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 19:15:23,326 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 19:15:23,335 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 19:15:23,336 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 19:15:23,354 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 19:15:23,355 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 19:15:23,355 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 19:15:23,356 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 19:15:23,356 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 19:15:23,357 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 19:15:23,357 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 19:15:23,359 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 19:15:23,359 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 19:15:23,360 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 19:15:23,360 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 19:15:23,362 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 19:15:23,362 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 19:15:23,363 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 19:15:23,363 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 19:15:23,363 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 19:15:23,366 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 19:15:23,366 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 19:15:23,367 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 19:15:23,367 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 19:15:23,367 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 19:15:23,367 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 19:15:23,367 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 19:15:23,368 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 19:15:23,368 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 19:15:23,368 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 19:15:23,368 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 19:15:23,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:15:23,369 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 19:15:23,369 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 19:15:23,369 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 19:15:23,369 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 19:15:23,370 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 19:15:23,370 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 19:15:23,371 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 19:15:23,371 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 19:15:23,371 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 19:15:23,372 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 19:15:23,372 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 19:15:23,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 19:15:23,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 19:15:23,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 19:15:23,627 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 19:15:23,628 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 19:15:23,629 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-3.wvr.c [2024-02-07 19:15:24,618 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 19:15:24,801 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 19:15:24,801 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-3.wvr.c [2024-02-07 19:15:24,807 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b9585368/9759449553b84930bb0e8821ab74ef2a/FLAG09ea508ad [2024-02-07 19:15:24,816 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b9585368/9759449553b84930bb0e8821ab74ef2a [2024-02-07 19:15:24,818 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 19:15:24,819 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 19:15:24,819 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/parallel-ticket-3.wvr.yml/witness.yml [2024-02-07 19:15:24,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 19:15:24,871 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 19:15:24,872 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 19:15:24,872 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 19:15:24,875 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 19:15:24,876 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:15:24" (1/2) ... [2024-02-07 19:15:24,876 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4223e4d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:15:24, skipping insertion in model container [2024-02-07 19:15:24,876 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:15:24" (1/2) ... [2024-02-07 19:15:24,877 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3e7a632e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:15:24, skipping insertion in model container [2024-02-07 19:15:24,878 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:15:24" (2/2) ... [2024-02-07 19:15:24,878 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4223e4d6 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:15:24, skipping insertion in model container [2024-02-07 19:15:24,878 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:15:24" (2/2) ... [2024-02-07 19:15:24,878 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 19:15:24,888 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 19:15:24,889 INFO L76 edCorrectnessWitness]: Location invariant before [L123-L123] b == (_Bool)0 || b == (_Bool)1 [2024-02-07 19:15:24,889 INFO L76 edCorrectnessWitness]: Location invariant before [L114-L114] b == (_Bool)0 || b == (_Bool)1 [2024-02-07 19:15:24,889 INFO L76 edCorrectnessWitness]: Location invariant before [L55-L55] x == 0 [2024-02-07 19:15:24,890 INFO L76 edCorrectnessWitness]: Location invariant before [L52-L52] x == 1 [2024-02-07 19:15:24,890 INFO L76 edCorrectnessWitness]: Location invariant before [L73-L73] b == (_Bool)0 [2024-02-07 19:15:24,890 INFO L76 edCorrectnessWitness]: Location invariant before [L45-L45] -2147483647 <= t [2024-02-07 19:15:24,890 INFO L76 edCorrectnessWitness]: Location invariant before [L77-L77] -2147483647 <= s [2024-02-07 19:15:24,890 INFO L76 edCorrectnessWitness]: Location invariant before [L86-L86] -2147483647 <= t [2024-02-07 19:15:24,890 INFO L76 edCorrectnessWitness]: Location invariant before [L93-L93] b == (_Bool)0 || b == (_Bool)1 [2024-02-07 19:15:24,890 INFO L76 edCorrectnessWitness]: Location invariant before [L96-L96] -2147483647 <= s [2024-02-07 19:15:24,890 INFO L76 edCorrectnessWitness]: Location invariant before [L74-L74] b == (_Bool)0 || b == (_Bool)1 [2024-02-07 19:15:24,891 INFO L76 edCorrectnessWitness]: Location invariant before [L92-L92] b == (_Bool)0 [2024-02-07 19:15:24,891 INFO L76 edCorrectnessWitness]: Location invariant before [L67-L67] -2147483647 <= t [2024-02-07 19:15:24,891 INFO L76 edCorrectnessWitness]: Location invariant before [L58-L58] -2147483647 <= s [2024-02-07 19:15:24,905 INFO L181 MainTranslator]: Built tables and reachable declarations [2024-02-07 19:15:25,030 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-ticket-3.wvr.c[3128,3141] [2024-02-07 19:15:25,033 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:15:25,041 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 [2024-02-07 19:15:25,080 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-ticket-3.wvr.c[3128,3141] [2024-02-07 19:15:25,081 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:15:25,092 INFO L211 MainTranslator]: Completed translation [2024-02-07 19:15:25,092 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:15:25 WrapperNode [2024-02-07 19:15:25,092 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 19:15:25,093 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 19:15:25,093 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 19:15:25,093 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 19:15:25,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:15:25" (1/1) ... [2024-02-07 19:15:25,104 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:15:25" (1/1) ... [2024-02-07 19:15:25,126 INFO L138 Inliner]: procedures = 22, calls = 55, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 181 [2024-02-07 19:15:25,128 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 19:15:25,129 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 19:15:25,129 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 19:15:25,129 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 19:15:25,137 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:15:25" (1/1) ... [2024-02-07 19:15:25,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:15:25" (1/1) ... [2024-02-07 19:15:25,149 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:15:25" (1/1) ... [2024-02-07 19:15:25,168 INFO L175 MemorySlicer]: Split 8 memory accesses to 4 slices as follows [2, 2, 2, 2]. 25 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 3 writes are split as follows [0, 1, 1, 1]. [2024-02-07 19:15:25,171 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:15:25" (1/1) ... [2024-02-07 19:15:25,172 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:15:25" (1/1) ... [2024-02-07 19:15:25,180 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:15:25" (1/1) ... [2024-02-07 19:15:25,185 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:15:25" (1/1) ... [2024-02-07 19:15:25,186 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:15:25" (1/1) ... [2024-02-07 19:15:25,189 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:15:25" (1/1) ... [2024-02-07 19:15:25,191 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 19:15:25,193 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 19:15:25,194 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 19:15:25,194 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 19:15:25,194 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:15:25" (1/1) ... [2024-02-07 19:15:25,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:15:25,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 19:15:25,253 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 19:15:25,270 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 19:15:25,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 19:15:25,282 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-02-07 19:15:25,282 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-02-07 19:15:25,283 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-02-07 19:15:25,283 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-02-07 19:15:25,284 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-02-07 19:15:25,284 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-02-07 19:15:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 19:15:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 19:15:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 19:15:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 19:15:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 19:15:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 19:15:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 19:15:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 19:15:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 19:15:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 19:15:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 19:15:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 19:15:25,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 19:15:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-07 19:15:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-07 19:15:25,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-07 19:15:25,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-02-07 19:15:25,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 19:15:25,288 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 19:15:25,397 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 19:15:25,399 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 19:15:25,618 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 19:15:25,618 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 19:15:25,836 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 19:15:25,836 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 19:15:25,837 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:15:25 BoogieIcfgContainer [2024-02-07 19:15:25,837 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 19:15:25,841 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 19:15:25,842 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 19:15:25,844 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 19:15:25,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 07:15:24" (1/4) ... [2024-02-07 19:15:25,845 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14d34564 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:15:25, skipping insertion in model container [2024-02-07 19:15:25,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:15:24" (2/4) ... [2024-02-07 19:15:25,846 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14d34564 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:15:25, skipping insertion in model container [2024-02-07 19:15:25,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:15:25" (3/4) ... [2024-02-07 19:15:25,847 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14d34564 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:15:25, skipping insertion in model container [2024-02-07 19:15:25,847 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:15:25" (4/4) ... [2024-02-07 19:15:25,848 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-3.wvr.c [2024-02-07 19:15:25,862 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 19:15:25,863 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 15 error locations. [2024-02-07 19:15:25,863 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 19:15:25,922 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-02-07 19:15:25,958 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 63 places, 53 transitions, 127 flow [2024-02-07 19:15:25,994 INFO L124 PetriNetUnfolderBase]: 0/50 cut-off events. [2024-02-07 19:15:25,994 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-02-07 19:15:25,995 INFO L83 FinitePrefix]: Finished finitePrefix Result has 63 conditions, 50 events. 0/50 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 115 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 19:15:25,996 INFO L82 GeneralOperation]: Start removeDead. Operand has 63 places, 53 transitions, 127 flow [2024-02-07 19:15:25,999 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 59 places, 49 transitions, 116 flow [2024-02-07 19:15:26,012 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 19:15:26,020 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;@33698531, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 19:15:26,020 INFO L358 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2024-02-07 19:15:26,025 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 19:15:26,026 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-07 19:15:26,026 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:15:26,026 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:15:26,027 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-07 19:15:26,027 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 27 more)] === [2024-02-07 19:15:26,031 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:15:26,031 INFO L85 PathProgramCache]: Analyzing trace with hash 13360, now seen corresponding path program 1 times [2024-02-07 19:15:26,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:15:26,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990827256] [2024-02-07 19:15:26,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:15:26,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:15:26,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 19:15:26,112 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 19:15:26,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 19:15:26,137 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 19:15:26,139 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 19:15:26,140 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 30 remaining) [2024-02-07 19:15:26,143 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 30 remaining) [2024-02-07 19:15:26,144 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 30 remaining) [2024-02-07 19:15:26,144 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 30 remaining) [2024-02-07 19:15:26,144 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 30 remaining) [2024-02-07 19:15:26,145 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 30 remaining) [2024-02-07 19:15:26,145 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 30 remaining) [2024-02-07 19:15:26,145 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 30 remaining) [2024-02-07 19:15:26,145 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 30 remaining) [2024-02-07 19:15:26,145 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 30 remaining) [2024-02-07 19:15:26,145 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 30 remaining) [2024-02-07 19:15:26,146 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 30 remaining) [2024-02-07 19:15:26,146 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 30 remaining) [2024-02-07 19:15:26,147 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 30 remaining) [2024-02-07 19:15:26,147 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (15 of 30 remaining) [2024-02-07 19:15:26,147 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 30 remaining) [2024-02-07 19:15:26,147 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 30 remaining) [2024-02-07 19:15:26,147 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 30 remaining) [2024-02-07 19:15:26,148 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 30 remaining) [2024-02-07 19:15:26,148 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 30 remaining) [2024-02-07 19:15:26,149 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 30 remaining) [2024-02-07 19:15:26,149 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 30 remaining) [2024-02-07 19:15:26,150 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 30 remaining) [2024-02-07 19:15:26,150 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 30 remaining) [2024-02-07 19:15:26,151 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 30 remaining) [2024-02-07 19:15:26,151 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 30 remaining) [2024-02-07 19:15:26,151 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 30 remaining) [2024-02-07 19:15:26,151 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 30 remaining) [2024-02-07 19:15:26,151 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 30 remaining) [2024-02-07 19:15:26,152 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 30 remaining) [2024-02-07 19:15:26,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 19:15:26,152 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-02-07 19:15:26,158 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 19:15:26,159 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 19:15:26,176 INFO L503 ceAbstractionStarter]: Automizer considered 14 witness invariants [2024-02-07 19:15:26,177 INFO L504 ceAbstractionStarter]: WitnessConsidered=14 [2024-02-07 19:15:26,177 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 07:15:26 BasicIcfg [2024-02-07 19:15:26,177 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 19:15:26,179 INFO L158 Benchmark]: Toolchain (without parser) took 1307.34ms. Allocated memory is still 176.2MB. Free memory was 118.8MB in the beginning and 90.6MB in the end (delta: 28.3MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2024-02-07 19:15:26,179 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 176.2MB. Free memory is still 139.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:15:26,179 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 176.2MB. Free memory is still 121.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:15:26,180 INFO L158 Benchmark]: CACSL2BoogieTranslator took 220.91ms. Allocated memory is still 176.2MB. Free memory was 118.8MB in the beginning and 103.6MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-02-07 19:15:26,180 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.84ms. Allocated memory is still 176.2MB. Free memory was 103.6MB in the beginning and 101.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 19:15:26,182 INFO L158 Benchmark]: Boogie Preprocessor took 63.77ms. Allocated memory is still 176.2MB. Free memory was 101.5MB in the beginning and 99.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 19:15:26,182 INFO L158 Benchmark]: RCFGBuilder took 644.16ms. Allocated memory is still 176.2MB. Free memory was 99.4MB in the beginning and 118.8MB in the end (delta: -19.4MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. [2024-02-07 19:15:26,182 INFO L158 Benchmark]: TraceAbstraction took 336.25ms. Allocated memory is still 176.2MB. Free memory was 117.8MB in the beginning and 90.6MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-02-07 19:15:26,186 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 176.2MB. Free memory is still 139.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 176.2MB. Free memory is still 121.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 220.91ms. Allocated memory is still 176.2MB. Free memory was 118.8MB in the beginning and 103.6MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.84ms. Allocated memory is still 176.2MB. Free memory was 103.6MB in the beginning and 101.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.77ms. Allocated memory is still 176.2MB. Free memory was 101.5MB in the beginning and 99.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 644.16ms. Allocated memory is still 176.2MB. Free memory was 99.4MB in the beginning and 118.8MB in the end (delta: -19.4MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. * TraceAbstraction took 336.25ms. Allocated memory is still 176.2MB. Free memory was 117.8MB in the beginning and 90.6MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. 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] int m1, m2, m3, s, t, x; [L39] _Bool b; [L102] pthread_t t1, t2, t3; [L105] m1 = __VERIFIER_nondet_int() [L106] m2 = __VERIFIER_nondet_int() [L107] m3 = __VERIFIER_nondet_int() [L108] s = __VERIFIER_nondet_int() [L109] t = __VERIFIER_nondet_int() [L110] x = __VERIFIER_nondet_int() [L111] b = __VERIFIER_nondet_bool() [L114] CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[b],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[b],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]] VAL [b=2, m1=0, m2=0, m3=0, s=0, t1={3:0}, t2={5:0}, t3={6:0}, t=0, x=0] - UnprovableResult [Line: 45]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 52]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 58]: 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: 73]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 74]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 92]: 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: 96]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 123]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 124]: 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: 117]: 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: 118]: 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: 116]: 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 7 procedures, 91 locations, 30 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 19:15:26,215 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