./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-lamport.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-lamport.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-lamport.wvr.c ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/parallel-lamport.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 19:13:23,557 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 19:13:23,601 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 19:13:23,604 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 19:13:23,604 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 19:13:23,620 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 19:13:23,621 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 19:13:23,621 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 19:13:23,621 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 19:13:23,624 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 19:13:23,624 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 19:13:23,624 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 19:13:23,625 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 19:13:23,626 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 19:13:23,626 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 19:13:23,626 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 19:13:23,626 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 19:13:23,627 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 19:13:23,627 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 19:13:23,627 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 19:13:23,628 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 19:13:23,628 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 19:13:23,628 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 19:13:23,628 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 19:13:23,628 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 19:13:23,628 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 19:13:23,629 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 19:13:23,629 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 19:13:23,629 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 19:13:23,629 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 19:13:23,630 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 19:13:23,630 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 19:13:23,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:13:23,630 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 19:13:23,630 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 19:13:23,630 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 19:13:23,630 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 19:13:23,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 19:13:23,631 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 19:13:23,631 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 19:13:23,631 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 19:13:23,632 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 19:13:23,632 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 19:13:23,632 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 19:13:23,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 19:13:23,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 19:13:23,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 19:13:23,865 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 19:13:23,865 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 19:13:23,866 INFO L431 ainManager$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-lamport.wvr.yml/witness.yml [2024-02-07 19:13:23,949 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 19:13:23,949 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 19:13:23,950 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-lamport.wvr.c [2024-02-07 19:13:24,997 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 19:13:25,153 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 19:13:25,153 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-lamport.wvr.c [2024-02-07 19:13:25,159 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50d169ad8/a722e4146f3144a186ff863031c783e7/FLAG43ac061ac [2024-02-07 19:13:25,168 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50d169ad8/a722e4146f3144a186ff863031c783e7 [2024-02-07 19:13:25,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 19:13:25,169 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 19:13:25,172 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 19:13:25,172 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 19:13:25,175 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 19:13:25,176 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:13:23" (1/2) ... [2024-02-07 19:13:25,177 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b448235 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:13:25, skipping insertion in model container [2024-02-07 19:13:25,177 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:13:23" (1/2) ... [2024-02-07 19:13:25,178 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5c699eed and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:13:25, skipping insertion in model container [2024-02-07 19:13:25,178 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:13:25" (2/2) ... [2024-02-07 19:13:25,178 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b448235 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:13:25, skipping insertion in model container [2024-02-07 19:13:25,178 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:13:25" (2/2) ... [2024-02-07 19:13:25,179 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 19:13:25,203 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 19:13:25,204 INFO L76 edCorrectnessWitness]: Location invariant before [L153-L153] n2 == 0 [2024-02-07 19:13:25,204 INFO L76 edCorrectnessWitness]: Location invariant before [L172-L172] ((-1LL - (long long )i) + (long long )size >= 0LL) && ((((((((((((8 <= i && i <= 2147483646) && (-17LL + (long long )i) + (long long )size >= 0LL) && i != 0) && i != 1) || ((-15LL + (long long )i) + (long long )size >= 0LL && i == 7)) || ((-13LL + (long long )i) + (long long )size >= 0LL && i == 6)) || ((-11LL + (long long )i) + (long long )size >= 0LL && i == 5)) || ((-9LL + (long long )i) + (long long )size >= 0LL && i == 4)) || ((-7LL + (long long )i) + (long long )size >= 0LL && i == 3)) || ((-5LL + (long long )i) + (long long )size >= 0LL && i == 2)) || ((-3LL + (long long )i) + (long long )size >= 0LL && i == 1)) || (((-1LL + (long long )i) + (long long )size >= 0LL && 0 == i) && i == 0)) [2024-02-07 19:13:25,204 INFO L76 edCorrectnessWitness]: Location invariant before [L108-L108] 0 <= i [2024-02-07 19:13:25,204 INFO L76 edCorrectnessWitness]: Location invariant before [L56-L56] -2147483647 <= n1 [2024-02-07 19:13:25,204 INFO L76 edCorrectnessWitness]: Location invariant before [L91-L91] -2147483647 <= n2 [2024-02-07 19:13:25,204 INFO L76 edCorrectnessWitness]: Location invariant before [L77-L77] n1 == 0 [2024-02-07 19:13:25,205 INFO L76 edCorrectnessWitness]: Location invariant before [L85-L85] e2 == (_Bool)1 [2024-02-07 19:13:25,205 INFO L76 edCorrectnessWitness]: Location invariant before [L94-L94] e2 == (_Bool)0 [2024-02-07 19:13:25,205 INFO L76 edCorrectnessWitness]: Location invariant before [L99-L99] ((-2147483647 <= n1) && (-2147483647 <= n2)) && (n1 != 0) [2024-02-07 19:13:25,205 INFO L76 edCorrectnessWitness]: Location invariant before [L53-L53] -2147483647 <= tmp1 [2024-02-07 19:13:25,205 INFO L76 edCorrectnessWitness]: Location invariant before [L149-L149] e1 == (_Bool)0 [2024-02-07 19:13:25,205 INFO L76 edCorrectnessWitness]: Location invariant before [L64-L64] ((-2147483647 <= n1) && (-2147483647 <= n2)) && (n2 != 0) [2024-02-07 19:13:25,205 INFO L76 edCorrectnessWitness]: Location invariant before [L52-L52] -2147483647 <= n2 [2024-02-07 19:13:25,206 INFO L76 edCorrectnessWitness]: Location invariant before [L112-L112] n2 == 0 [2024-02-07 19:13:25,206 INFO L76 edCorrectnessWitness]: Location invariant before [L96-L96] e1 == (_Bool)0 || e1 == (_Bool)1 [2024-02-07 19:13:25,206 INFO L76 edCorrectnessWitness]: Location invariant before [L151-L151] n1 == 0 [2024-02-07 19:13:25,206 INFO L76 edCorrectnessWitness]: Location invariant before [L61-L61] e2 == (_Bool)0 || e2 == (_Bool)1 [2024-02-07 19:13:25,206 INFO L76 edCorrectnessWitness]: Location invariant before [L146-L146] 0 <= i [2024-02-07 19:13:25,206 INFO L76 edCorrectnessWitness]: Location invariant before [L50-L50] e1 == (_Bool)1 [2024-02-07 19:13:25,206 INFO L76 edCorrectnessWitness]: Location invariant before [L88-L88] -2147483647 <= tmp2 [2024-02-07 19:13:25,206 INFO L76 edCorrectnessWitness]: Location invariant before [L73-L73] 0 <= i [2024-02-07 19:13:25,207 INFO L76 edCorrectnessWitness]: Location invariant before [L59-L59] e1 == (_Bool)0 [2024-02-07 19:13:25,207 INFO L76 edCorrectnessWitness]: Location invariant before [L122-L122] 0 <= j [2024-02-07 19:13:25,207 INFO L76 edCorrectnessWitness]: Location invariant before [L150-L150] e2 == (_Bool)0 [2024-02-07 19:13:25,207 INFO L76 edCorrectnessWitness]: Location invariant before [L174-L174] (long long )i - (long long )size >= 0LL [2024-02-07 19:13:25,207 INFO L76 edCorrectnessWitness]: Location invariant before [L87-L87] -2147483647 <= n1 [2024-02-07 19:13:25,225 INFO L181 MainTranslator]: Built tables and reachable declarations [2024-02-07 19:13:25,351 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-lamport.wvr.c[4249,4262] [2024-02-07 19:13:25,358 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:13:25,366 INFO L206 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-07 19:13:25,420 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-lamport.wvr.c[4249,4262] Start Parsing Local Start Parsing Local [2024-02-07 19:13:25,443 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:13:25,460 INFO L211 MainTranslator]: Completed translation [2024-02-07 19:13:25,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:13:25 WrapperNode [2024-02-07 19:13:25,461 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 19:13:25,462 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 19:13:25,462 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 19:13:25,463 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 19:13:25,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:13:25" (1/1) ... [2024-02-07 19:13:25,485 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:13:25" (1/1) ... [2024-02-07 19:13:25,519 INFO L138 Inliner]: procedures = 25, calls = 89, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 272 [2024-02-07 19:13:25,520 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 19:13:25,521 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 19:13:25,521 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 19:13:25,521 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 19:13:25,529 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:13:25" (1/1) ... [2024-02-07 19:13:25,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:13:25" (1/1) ... [2024-02-07 19:13:25,538 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:13:25" (1/1) ... [2024-02-07 19:13:25,549 INFO L175 MemorySlicer]: Split 13 memory accesses to 5 slices as follows [2, 2, 2, 2, 5]. 38 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0]. The 4 writes are split as follows [0, 1, 1, 1, 1]. [2024-02-07 19:13:25,550 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:13:25" (1/1) ... [2024-02-07 19:13:25,550 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:13:25" (1/1) ... [2024-02-07 19:13:25,556 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:13:25" (1/1) ... [2024-02-07 19:13:25,559 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:13:25" (1/1) ... [2024-02-07 19:13:25,560 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:13:25" (1/1) ... [2024-02-07 19:13:25,561 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:13:25" (1/1) ... [2024-02-07 19:13:25,563 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 19:13:25,563 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 19:13:25,564 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 19:13:25,564 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 19:13:25,564 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:13:25" (1/1) ... [2024-02-07 19:13:25,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:13:25,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 19:13:25,596 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 19:13:25,601 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 19:13:25,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 19:13:25,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 19:13:25,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 19:13:25,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 19:13:25,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 19:13:25,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 19:13:25,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 19:13:25,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-07 19:13:25,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-07 19:13:25,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-07 19:13:25,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-02-07 19:13:25,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-02-07 19:13:25,649 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-02-07 19:13:25,650 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-02-07 19:13:25,650 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-02-07 19:13:25,650 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-02-07 19:13:25,650 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-02-07 19:13:25,650 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-02-07 19:13:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 19:13:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 19:13:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 19:13:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 19:13:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 19:13:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 19:13:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 19:13:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-02-07 19:13:25,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 19:13:25,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 19:13:25,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 19:13:25,653 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 19:13:25,754 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 19:13:25,756 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 19:13:26,059 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 19:13:26,059 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 19:13:26,263 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 19:13:26,263 INFO L320 CfgBuilder]: Removed 1 assume(true) statements. [2024-02-07 19:13:26,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:13:26 BoogieIcfgContainer [2024-02-07 19:13:26,264 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 19:13:26,266 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 19:13:26,267 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 19:13:26,269 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 19:13:26,269 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:13:23" (1/4) ... [2024-02-07 19:13:26,270 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c072286 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:13:26, skipping insertion in model container [2024-02-07 19:13:26,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 07:13:25" (2/4) ... [2024-02-07 19:13:26,271 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c072286 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:13:26, skipping insertion in model container [2024-02-07 19:13:26,271 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:13:25" (3/4) ... [2024-02-07 19:13:26,272 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c072286 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:13:26, skipping insertion in model container [2024-02-07 19:13:26,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:13:26" (4/4) ... [2024-02-07 19:13:26,273 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-lamport.wvr.c [2024-02-07 19:13:26,286 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 19:13:26,286 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 27 error locations. [2024-02-07 19:13:26,287 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 19:13:26,336 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-02-07 19:13:26,380 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 91 places, 82 transitions, 185 flow [2024-02-07 19:13:26,418 INFO L124 PetriNetUnfolderBase]: 1/79 cut-off events. [2024-02-07 19:13:26,418 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-02-07 19:13:26,420 INFO L83 FinitePrefix]: Finished finitePrefix Result has 92 conditions, 79 events. 1/79 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 163 event pairs, 0 based on Foata normal form. 0/51 useless extension candidates. Maximal degree in co-relation 67. Up to 2 conditions per place. [2024-02-07 19:13:26,421 INFO L82 GeneralOperation]: Start removeDead. Operand has 91 places, 82 transitions, 185 flow [2024-02-07 19:13:26,424 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 87 places, 78 transitions, 174 flow [2024-02-07 19:13:26,438 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 19:13:26,448 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;@32eccc68, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 19:13:26,448 INFO L358 AbstractCegarLoop]: Starting to check reachability of 49 error locations. [2024-02-07 19:13:26,452 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 19:13:26,452 INFO L124 PetriNetUnfolderBase]: 1/4 cut-off events. [2024-02-07 19:13:26,452 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:13:26,452 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:13:26,453 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-02-07 19:13:26,453 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 46 more)] === [2024-02-07 19:13:26,457 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:13:26,457 INFO L85 PathProgramCache]: Analyzing trace with hash 682673, now seen corresponding path program 1 times [2024-02-07 19:13:26,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:13:26,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752937946] [2024-02-07 19:13:26,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:13:26,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:13:26,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:13:26,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 19:13:26,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:13:26,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752937946] [2024-02-07 19:13:26,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752937946] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:13:26,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:13:26,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-07 19:13:26,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563533573] [2024-02-07 19:13:26,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:13:26,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-07 19:13:26,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:13:26,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-07 19:13:26,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-02-07 19:13:26,729 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 82 [2024-02-07 19:13:26,731 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 78 transitions, 174 flow. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 19:13:26,731 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:13:26,732 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 82 [2024-02-07 19:13:26,732 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:13:27,702 INFO L124 PetriNetUnfolderBase]: 8127/12219 cut-off events. [2024-02-07 19:13:27,703 INFO L125 PetriNetUnfolderBase]: For 393/393 co-relation queries the response was YES. [2024-02-07 19:13:27,724 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24834 conditions, 12219 events. 8127/12219 cut-off events. For 393/393 co-relation queries the response was YES. Maximal size of possible extension queue 363. Compared 70357 event pairs, 8125 based on Foata normal form. 0/9311 useless extension candidates. Maximal degree in co-relation 23575. Up to 11960 conditions per place. [2024-02-07 19:13:27,775 INFO L140 encePairwiseOnDemand]: 69/82 looper letters, 57 selfloop transitions, 4 changer transitions 0/73 dead transitions. [2024-02-07 19:13:27,775 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 73 transitions, 286 flow [2024-02-07 19:13:27,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-02-07 19:13:27,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-02-07 19:13:27,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 130 transitions. [2024-02-07 19:13:27,785 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39634146341463417 [2024-02-07 19:13:27,786 INFO L175 Difference]: Start difference. First operand has 87 places, 78 transitions, 174 flow. Second operand 4 states and 130 transitions. [2024-02-07 19:13:27,787 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 73 transitions, 286 flow [2024-02-07 19:13:27,799 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 73 transitions, 274 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-02-07 19:13:27,803 INFO L231 Difference]: Finished difference. Result has 78 places, 73 transitions, 173 flow [2024-02-07 19:13:27,805 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=173, PETRI_PLACES=78, PETRI_TRANSITIONS=73} [2024-02-07 19:13:27,807 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, -9 predicate places. [2024-02-07 19:13:27,808 INFO L495 AbstractCegarLoop]: Abstraction has has 78 places, 73 transitions, 173 flow [2024-02-07 19:13:27,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 19:13:27,808 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:13:27,808 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-02-07 19:13:27,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 19:13:27,809 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 46 more)] === [2024-02-07 19:13:27,813 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:13:27,813 INFO L85 PathProgramCache]: Analyzing trace with hash 682730, now seen corresponding path program 1 times [2024-02-07 19:13:27,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:13:27,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395096894] [2024-02-07 19:13:27,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:13:27,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:13:27,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 19:13:27,840 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 19:13:27,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 19:13:27,864 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 19:13:27,864 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 19:13:27,866 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 49 remaining) [2024-02-07 19:13:27,867 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 49 remaining) [2024-02-07 19:13:27,867 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 49 remaining) [2024-02-07 19:13:27,867 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 49 remaining) [2024-02-07 19:13:27,867 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 49 remaining) [2024-02-07 19:13:27,867 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 49 remaining) [2024-02-07 19:13:27,868 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 49 remaining) [2024-02-07 19:13:27,868 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 49 remaining) [2024-02-07 19:13:27,868 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 49 remaining) [2024-02-07 19:13:27,868 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 49 remaining) [2024-02-07 19:13:27,868 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 49 remaining) [2024-02-07 19:13:27,868 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 49 remaining) [2024-02-07 19:13:27,868 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 49 remaining) [2024-02-07 19:13:27,868 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 49 remaining) [2024-02-07 19:13:27,869 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 49 remaining) [2024-02-07 19:13:27,869 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 49 remaining) [2024-02-07 19:13:27,869 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 49 remaining) [2024-02-07 19:13:27,869 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 49 remaining) [2024-02-07 19:13:27,869 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 49 remaining) [2024-02-07 19:13:27,869 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 49 remaining) [2024-02-07 19:13:27,869 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 49 remaining) [2024-02-07 19:13:27,869 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 49 remaining) [2024-02-07 19:13:27,869 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 49 remaining) [2024-02-07 19:13:27,870 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 49 remaining) [2024-02-07 19:13:27,870 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 49 remaining) [2024-02-07 19:13:27,870 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 49 remaining) [2024-02-07 19:13:27,870 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (22 of 49 remaining) [2024-02-07 19:13:27,870 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 49 remaining) [2024-02-07 19:13:27,870 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 49 remaining) [2024-02-07 19:13:27,870 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 49 remaining) [2024-02-07 19:13:27,870 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 49 remaining) [2024-02-07 19:13:27,871 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 49 remaining) [2024-02-07 19:13:27,871 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 49 remaining) [2024-02-07 19:13:27,871 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 49 remaining) [2024-02-07 19:13:27,871 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 49 remaining) [2024-02-07 19:13:27,871 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 49 remaining) [2024-02-07 19:13:27,871 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 49 remaining) [2024-02-07 19:13:27,871 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 49 remaining) [2024-02-07 19:13:27,871 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 49 remaining) [2024-02-07 19:13:27,871 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 49 remaining) [2024-02-07 19:13:27,872 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 49 remaining) [2024-02-07 19:13:27,872 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 49 remaining) [2024-02-07 19:13:27,872 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 49 remaining) [2024-02-07 19:13:27,872 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 49 remaining) [2024-02-07 19:13:27,872 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 49 remaining) [2024-02-07 19:13:27,872 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 49 remaining) [2024-02-07 19:13:27,872 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 49 remaining) [2024-02-07 19:13:27,872 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 49 remaining) [2024-02-07 19:13:27,873 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 49 remaining) [2024-02-07 19:13:27,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-07 19:13:27,873 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-02-07 19:13:27,878 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 19:13:27,878 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 19:13:27,891 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not [2024-02-07 19:13:27,896 INFO L503 ceAbstractionStarter]: Automizer considered 26 witness invariants [2024-02-07 19:13:27,897 INFO L504 ceAbstractionStarter]: WitnessConsidered=26 [2024-02-07 19:13:27,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 07:13:27 BasicIcfg [2024-02-07 19:13:27,897 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 19:13:27,898 INFO L158 Benchmark]: Toolchain (without parser) took 2728.46ms. Allocated memory was 155.2MB in the beginning and 331.4MB in the end (delta: 176.2MB). Free memory was 117.0MB in the beginning and 164.6MB in the end (delta: -47.6MB). Peak memory consumption was 128.0MB. Max. memory is 16.1GB. [2024-02-07 19:13:27,898 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 104.9MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:13:27,898 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 104.9MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:13:27,898 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.32ms. Allocated memory is still 155.2MB. Free memory was 116.5MB in the beginning and 98.2MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-02-07 19:13:27,899 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.52ms. Allocated memory is still 155.2MB. Free memory was 98.2MB in the beginning and 96.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 19:13:27,899 INFO L158 Benchmark]: Boogie Preprocessor took 41.82ms. Allocated memory is still 155.2MB. Free memory was 96.1MB in the beginning and 92.6MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-07 19:13:27,899 INFO L158 Benchmark]: RCFGBuilder took 700.97ms. Allocated memory is still 155.2MB. Free memory was 92.6MB in the beginning and 51.6MB in the end (delta: 41.0MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-02-07 19:13:27,900 INFO L158 Benchmark]: TraceAbstraction took 1630.85ms. Allocated memory was 155.2MB in the beginning and 331.4MB in the end (delta: 176.2MB). Free memory was 50.9MB in the beginning and 164.6MB in the end (delta: -113.8MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. [2024-02-07 19:13:27,901 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 0.13ms. Allocated memory is still 104.9MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 104.9MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.32ms. Allocated memory is still 155.2MB. Free memory was 116.5MB in the beginning and 98.2MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.52ms. Allocated memory is still 155.2MB. Free memory was 98.2MB in the beginning and 96.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.82ms. Allocated memory is still 155.2MB. Free memory was 96.1MB in the beginning and 92.6MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 700.97ms. Allocated memory is still 155.2MB. Free memory was 92.6MB in the beginning and 51.6MB in the end (delta: 41.0MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1630.85ms. Allocated memory was 155.2MB in the beginning and 331.4MB in the end (delta: 176.2MB). Free memory was 50.9MB in the beginning and 164.6MB in the end (delta: -113.8MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 174]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L41] _Bool e1, e2; [L42] int n1, n2, tmp1, tmp2, i, j, i1, i2, n; [L43] int* f; [L132] pthread_t t1, t2, t3; [L135] tmp1 = __VERIFIER_nondet_int() [L136] tmp2 = __VERIFIER_nondet_int() [L137] i = __VERIFIER_nondet_int() [L138] j = __VERIFIER_nondet_int() [L139] i1 = __VERIFIER_nondet_int() [L140] i2 = __VERIFIER_nondet_int() [L141] n = __VERIFIER_nondet_int() [L142] CALL create_fresh_int_array(n) [L167] CALL assume_abort_if_not(size >= 0) [L38] COND FALSE !(!cond) [L167] RET assume_abort_if_not(size >= 0) [L168] CALL assume_abort_if_not(size <= (((size_t) 4294967295) / sizeof(int))) [L38] COND FALSE !(!cond) [L168] RET assume_abort_if_not(size <= (((size_t) 4294967295) / sizeof(int))) [L170] int* arr = (int*)malloc(sizeof(int) * (size_t)size); [L171] int i = 0; VAL [\old(size)=0, arr={-1:0}, e1=0, e2=0, f={0:0}, i=-1, i=0, i=0, i=0, j=0, n1=0, n2=0, n=0, size=0, tmp1=0, tmp2=0] [L171] COND FALSE !(i < size) [L174] CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[i]],CastExpression[ACSLType[long long],IdentifierExpression[size]]],IntegerLiteral[0LL]]]] VAL [\old(size)=0, arr={-1:0}, e1=0, e2=0, f={0:0}, i=-1, i=0, i=0, j=0, n1=0, n2=0, n=0, size=0, tmp1=0, tmp2=0] - 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: 52]: 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: 61]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 64]: 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: 77]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 85]: 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: 88]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 91]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 94]: 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: 99]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 108]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 112]: 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: 172]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 146]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 149]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 150]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 151]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 153]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 161]: 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: 153]: 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: 155]: 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: 154]: 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, 136 locations, 49 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 118 IncrementalHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 0 mSDtfsCounter, 118 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=174occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 19:13:27,921 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