./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-barrier.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-05-21_14-57-05.files/protection/parallel-barrier.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version bcb38a6f 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-barrier.wvr.c ./goblint.2024-05-21_14-57-05.files/protection/parallel-barrier.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 --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-bcb38a6-m [2024-06-04 14:30:15,505 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-04 14:30:15,570 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-04 14:30:15,575 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-04 14:30:15,575 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-04 14:30:15,597 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-04 14:30:15,598 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-04 14:30:15,598 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-04 14:30:15,599 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-04 14:30:15,602 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-04 14:30:15,602 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-04 14:30:15,602 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-04 14:30:15,603 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-04 14:30:15,604 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-04 14:30:15,604 INFO L153 SettingsManager]: * Use SBE=true [2024-06-04 14:30:15,604 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-04 14:30:15,605 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-04 14:30:15,605 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-04 14:30:15,605 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-04 14:30:15,605 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-04 14:30:15,605 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-04 14:30:15,606 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-04 14:30:15,606 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-04 14:30:15,606 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-04 14:30:15,606 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-04 14:30:15,606 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-04 14:30:15,606 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-04 14:30:15,607 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-04 14:30:15,607 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-04 14:30:15,607 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-04 14:30:15,608 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-04 14:30:15,608 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-04 14:30:15,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-04 14:30:15,609 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-04 14:30:15,609 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-04 14:30:15,609 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-04 14:30:15,609 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-04 14:30:15,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-04 14:30:15,609 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-04 14:30:15,609 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-04 14:30:15,609 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-04 14:30:15,610 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-04 14:30:15,610 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-04 14:30:15,610 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-04 14:30:15,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-04 14:30:15,818 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-04 14:30:15,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-04 14:30:15,821 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-04 14:30:15,821 INFO L274 PluginConnector]: CDTParser initialized [2024-06-04 14:30:15,822 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-barrier.wvr.c [2024-06-04 14:30:16,781 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-04 14:30:16,922 INFO L384 CDTParser]: Found 1 translation units. [2024-06-04 14:30:16,922 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-barrier.wvr.c [2024-06-04 14:30:16,928 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c6a62b93/bddd53d1015e42a6950659d85ba55455/FLAG5b39082c6 [2024-06-04 14:30:16,946 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c6a62b93/bddd53d1015e42a6950659d85ba55455 [2024-06-04 14:30:16,948 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-04 14:30:16,950 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-04 14:30:16,951 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-21_14-57-05.files/protection/parallel-barrier.wvr.yml/witness.yml [2024-06-04 14:30:17,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-04 14:30:17,031 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-04 14:30:17,052 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-04 14:30:17,052 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-04 14:30:17,056 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-04 14:30:17,056 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.06 02:30:16" (1/2) ... [2024-06-04 14:30:17,058 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68e69ddc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 02:30:17, skipping insertion in model container [2024-06-04 14:30:17,058 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.06 02:30:16" (1/2) ... [2024-06-04 14:30:17,060 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@49c683a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 02:30:17, skipping insertion in model container [2024-06-04 14:30:17,060 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 04.06 02:30:17" (2/2) ... [2024-06-04 14:30:17,061 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68e69ddc and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 02:30:17, skipping insertion in model container [2024-06-04 14:30:17,061 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 04.06 02:30:17" (2/2) ... [2024-06-04 14:30:17,061 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-04 14:30:17,074 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-04 14:30:17,078 INFO L97 edCorrectnessWitness]: Location invariant before [L103-L103] ! multithreaded || -2147483647 <= y_7 [2024-06-04 14:30:17,078 INFO L97 edCorrectnessWitness]: Location invariant before [L166-L166] ! multithreaded || -2147483647 <= y_7 [2024-06-04 14:30:17,078 INFO L97 edCorrectnessWitness]: Location invariant before [L102-L102] ! multithreaded || -2147483647 <= y_7 [2024-06-04 14:30:17,079 INFO L97 edCorrectnessWitness]: Location invariant before [L194-L194] ! multithreaded || -2147483647 <= y_7 [2024-06-04 14:30:17,079 INFO L97 edCorrectnessWitness]: Location invariant before [L165-L165] ! multithreaded || -2147483647 <= y_7 [2024-06-04 14:30:17,080 INFO L97 edCorrectnessWitness]: Location invariant before [L193-L193] ! multithreaded || -2147483647 <= y_7 [2024-06-04 14:30:17,080 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-04 14:30:17,080 INFO L106 edCorrectnessWitness]: ghost_update [L192-L192] multithreaded = 1; [2024-06-04 14:30:17,106 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-04 14:30:17,253 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-04 14:30:17,260 INFO L202 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 [2024-06-04 14:30:17,355 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-04 14:30:17,371 INFO L206 MainTranslator]: Completed translation [2024-06-04 14:30:17,375 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 02:30:17 WrapperNode [2024-06-04 14:30:17,375 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-04 14:30:17,376 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-04 14:30:17,376 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-04 14:30:17,376 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-04 14:30:17,394 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 04.06 02:30:17" (1/1) ... [2024-06-04 14:30:17,401 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 04.06 02:30:17" (1/1) ... [2024-06-04 14:30:17,423 INFO L138 Inliner]: procedures = 24, calls = 69, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 249 [2024-06-04 14:30:17,423 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-04 14:30:17,424 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-04 14:30:17,424 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-04 14:30:17,424 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-04 14:30:17,432 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 02:30:17" (1/1) ... [2024-06-04 14:30:17,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 02:30:17" (1/1) ... [2024-06-04 14:30:17,435 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 02:30:17" (1/1) ... [2024-06-04 14:30:17,448 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-06-04 14:30:17,454 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 02:30:17" (1/1) ... [2024-06-04 14:30:17,454 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 02:30:17" (1/1) ... [2024-06-04 14:30:17,459 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 02:30:17" (1/1) ... [2024-06-04 14:30:17,461 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 02:30:17" (1/1) ... [2024-06-04 14:30:17,462 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 02:30:17" (1/1) ... [2024-06-04 14:30:17,463 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 02:30:17" (1/1) ... [2024-06-04 14:30:17,465 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-04 14:30:17,465 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-04 14:30:17,465 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-04 14:30:17,465 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-04 14:30:17,466 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 02:30:17" (1/1) ... [2024-06-04 14:30:17,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-04 14:30:17,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-04 14:30:17,487 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) [2024-06-04 14:30:17,492 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 [2024-06-04 14:30:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-04 14:30:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-06-04 14:30:17,515 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-06-04 14:30:17,516 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-06-04 14:30:17,516 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-06-04 14:30:17,516 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-06-04 14:30:17,516 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-06-04 14:30:17,516 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-06-04 14:30:17,516 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-06-04 14:30:17,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-04 14:30:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-06-04 14:30:17,517 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-06-04 14:30:17,529 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-06-04 14:30:17,529 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-06-04 14:30:17,529 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-06-04 14:30:17,529 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-06-04 14:30:17,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-04 14:30:17,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-04 14:30:17,531 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-04 14:30:17,617 INFO L244 CfgBuilder]: Building ICFG [2024-06-04 14:30:17,619 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-04 14:30:17,870 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-04 14:30:17,870 INFO L293 CfgBuilder]: Performing block encoding [2024-06-04 14:30:18,056 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-04 14:30:18,057 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-04 14:30:18,057 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.06 02:30:18 BoogieIcfgContainer [2024-06-04 14:30:18,057 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-04 14:30:18,060 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-04 14:30:18,060 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-04 14:30:18,062 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-04 14:30:18,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.06 02:30:16" (1/4) ... [2024-06-04 14:30:18,064 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78c8261b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.06 02:30:18, skipping insertion in model container [2024-06-04 14:30:18,064 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 04.06 02:30:17" (2/4) ... [2024-06-04 14:30:18,065 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78c8261b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 04.06 02:30:18, skipping insertion in model container [2024-06-04 14:30:18,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 02:30:17" (3/4) ... [2024-06-04 14:30:18,065 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78c8261b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 04.06 02:30:18, skipping insertion in model container [2024-06-04 14:30:18,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.06 02:30:18" (4/4) ... [2024-06-04 14:30:18,066 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-barrier.wvr.c [2024-06-04 14:30:18,078 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-04 14:30:18,079 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-06-04 14:30:18,079 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-04 14:30:18,164 INFO L144 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2024-06-04 14:30:18,222 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 101 places, 86 transitions, 238 flow [2024-06-04 14:30:18,272 INFO L124 PetriNetUnfolderBase]: 4/74 cut-off events. [2024-06-04 14:30:18,273 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-06-04 14:30:18,276 INFO L83 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 74 events. 4/74 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 200 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 85. Up to 3 conditions per place. [2024-06-04 14:30:18,276 INFO L82 GeneralOperation]: Start removeDead. Operand has 101 places, 86 transitions, 238 flow [2024-06-04 14:30:18,280 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 87 places, 72 transitions, 189 flow [2024-06-04 14:30:18,291 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-04 14:30:18,298 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;@7c79a9f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-04 14:30:18,298 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-06-04 14:30:18,302 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-04 14:30:18,302 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-06-04 14:30:18,302 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-04 14:30:18,302 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-04 14:30:18,303 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-06-04 14:30:18,303 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 17 more)] === [2024-06-04 14:30:18,311 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-04 14:30:18,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1861303216, now seen corresponding path program 1 times [2024-06-04 14:30:18,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-04 14:30:18,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930438951] [2024-06-04 14:30:18,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-04 14:30:18,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-04 14:30:18,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-04 14:30:18,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-04 14:30:18,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-04 14:30:18,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930438951] [2024-06-04 14:30:18,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930438951] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-04 14:30:18,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-04 14:30:18,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-04 14:30:18,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629455333] [2024-06-04 14:30:18,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-04 14:30:18,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-04 14:30:18,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-04 14:30:18,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-04 14:30:18,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-04 14:30:18,588 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 90 [2024-06-04 14:30:18,590 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 72 transitions, 189 flow. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 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) [2024-06-04 14:30:18,590 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-04 14:30:18,590 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 90 [2024-06-04 14:30:18,591 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-04 14:30:21,827 INFO L124 PetriNetUnfolderBase]: 30782/41180 cut-off events. [2024-06-04 14:30:21,828 INFO L125 PetriNetUnfolderBase]: For 4549/4549 co-relation queries the response was YES. [2024-06-04 14:30:21,932 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86305 conditions, 41180 events. 30782/41180 cut-off events. For 4549/4549 co-relation queries the response was YES. Maximal size of possible extension queue 1681. Compared 266075 event pairs, 9743 based on Foata normal form. 789/38459 useless extension candidates. Maximal degree in co-relation 85775. Up to 36292 conditions per place. [2024-06-04 14:30:22,136 INFO L140 encePairwiseOnDemand]: 81/90 looper letters, 67 selfloop transitions, 3 changer transitions 0/95 dead transitions. [2024-06-04 14:30:22,136 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 95 transitions, 399 flow [2024-06-04 14:30:22,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-04 14:30:22,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-04 14:30:22,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 169 transitions. [2024-06-04 14:30:22,147 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6259259259259259 [2024-06-04 14:30:22,148 INFO L175 Difference]: Start difference. First operand has 87 places, 72 transitions, 189 flow. Second operand 3 states and 169 transitions. [2024-06-04 14:30:22,149 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 95 transitions, 399 flow [2024-06-04 14:30:22,207 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 95 transitions, 354 flow, removed 0 selfloop flow, removed 11 redundant places. [2024-06-04 14:30:22,210 INFO L231 Difference]: Finished difference. Result has 78 places, 73 transitions, 185 flow [2024-06-04 14:30:22,211 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=185, PETRI_PLACES=78, PETRI_TRANSITIONS=73} [2024-06-04 14:30:22,214 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, -9 predicate places. [2024-06-04 14:30:22,214 INFO L495 AbstractCegarLoop]: Abstraction has has 78 places, 73 transitions, 185 flow [2024-06-04 14:30:22,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 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) [2024-06-04 14:30:22,214 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-04 14:30:22,214 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-04 14:30:22,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-04 14:30:22,215 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 17 more)] === [2024-06-04 14:30:22,216 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-04 14:30:22,216 INFO L85 PathProgramCache]: Analyzing trace with hash -2072614668, now seen corresponding path program 1 times [2024-06-04 14:30:22,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-04 14:30:22,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814039070] [2024-06-04 14:30:22,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-04 14:30:22,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-04 14:30:22,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-04 14:30:22,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-04 14:30:22,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-04 14:30:22,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814039070] [2024-06-04 14:30:22,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814039070] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-04 14:30:22,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-04 14:30:22,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-06-04 14:30:22,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365804534] [2024-06-04 14:30:22,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-04 14:30:22,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-06-04 14:30:22,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-04 14:30:22,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-06-04 14:30:22,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-06-04 14:30:22,405 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 29 out of 90 [2024-06-04 14:30:22,406 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 73 transitions, 185 flow. Second operand has 5 states, 5 states have (on average 32.2) internal successors, (161), 5 states have internal predecessors, (161), 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) [2024-06-04 14:30:22,406 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-04 14:30:22,406 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 29 of 90 [2024-06-04 14:30:22,406 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-04 14:30:27,124 INFO L124 PetriNetUnfolderBase]: 55871/76396 cut-off events. [2024-06-04 14:30:27,125 INFO L125 PetriNetUnfolderBase]: For 11455/11455 co-relation queries the response was YES. [2024-06-04 14:30:27,284 INFO L83 FinitePrefix]: Finished finitePrefix Result has 163742 conditions, 76396 events. 55871/76396 cut-off events. For 11455/11455 co-relation queries the response was YES. Maximal size of possible extension queue 3301. Compared 542405 event pairs, 10578 based on Foata normal form. 5052/77410 useless extension candidates. Maximal degree in co-relation 59646. Up to 34459 conditions per place. [2024-06-04 14:30:27,666 INFO L140 encePairwiseOnDemand]: 81/90 looper letters, 161 selfloop transitions, 10 changer transitions 0/194 dead transitions. [2024-06-04 14:30:27,667 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 194 transitions, 828 flow [2024-06-04 14:30:27,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-04 14:30:27,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-04 14:30:27,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 382 transitions. [2024-06-04 14:30:27,674 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6063492063492063 [2024-06-04 14:30:27,674 INFO L175 Difference]: Start difference. First operand has 78 places, 73 transitions, 185 flow. Second operand 7 states and 382 transitions. [2024-06-04 14:30:27,676 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 194 transitions, 828 flow [2024-06-04 14:30:27,679 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 194 transitions, 824 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-04 14:30:27,681 INFO L231 Difference]: Finished difference. Result has 87 places, 79 transitions, 255 flow [2024-06-04 14:30:27,682 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=255, PETRI_PLACES=87, PETRI_TRANSITIONS=79} [2024-06-04 14:30:27,683 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, 0 predicate places. [2024-06-04 14:30:27,687 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 79 transitions, 255 flow [2024-06-04 14:30:27,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 5 states have internal predecessors, (161), 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) [2024-06-04 14:30:27,687 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-04 14:30:27,687 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-04 14:30:27,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-04 14:30:27,688 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 17 more)] === [2024-06-04 14:30:27,688 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-04 14:30:27,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1130242980, now seen corresponding path program 1 times [2024-06-04 14:30:27,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-04 14:30:27,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373350967] [2024-06-04 14:30:27,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-04 14:30:27,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-04 14:30:27,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-04 14:30:27,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-04 14:30:27,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-04 14:30:27,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373350967] [2024-06-04 14:30:27,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373350967] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-04 14:30:27,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-04 14:30:27,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-06-04 14:30:27,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957312013] [2024-06-04 14:30:27,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-04 14:30:27,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-04 14:30:27,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-04 14:30:27,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-04 14:30:27,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-04 14:30:27,780 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 38 out of 90 [2024-06-04 14:30:27,780 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 79 transitions, 255 flow. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 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) [2024-06-04 14:30:27,780 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-04 14:30:27,780 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 38 of 90 [2024-06-04 14:30:27,780 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-04 14:30:28,568 INFO L124 PetriNetUnfolderBase]: 7565/12992 cut-off events. [2024-06-04 14:30:28,568 INFO L125 PetriNetUnfolderBase]: For 2225/2225 co-relation queries the response was YES. [2024-06-04 14:30:28,606 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29676 conditions, 12992 events. 7565/12992 cut-off events. For 2225/2225 co-relation queries the response was YES. Maximal size of possible extension queue 496. Compared 97399 event pairs, 5232 based on Foata normal form. 138/12216 useless extension candidates. Maximal degree in co-relation 21558. Up to 8048 conditions per place. [2024-06-04 14:30:28,652 INFO L140 encePairwiseOnDemand]: 87/90 looper letters, 56 selfloop transitions, 2 changer transitions 0/90 dead transitions. [2024-06-04 14:30:28,653 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 90 transitions, 374 flow [2024-06-04 14:30:28,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-04 14:30:28,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-04 14:30:28,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 173 transitions. [2024-06-04 14:30:28,654 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6407407407407407 [2024-06-04 14:30:28,654 INFO L175 Difference]: Start difference. First operand has 87 places, 79 transitions, 255 flow. Second operand 3 states and 173 transitions. [2024-06-04 14:30:28,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 90 transitions, 374 flow [2024-06-04 14:30:28,675 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 90 transitions, 357 flow, removed 2 selfloop flow, removed 6 redundant places. [2024-06-04 14:30:28,677 INFO L231 Difference]: Finished difference. Result has 83 places, 72 transitions, 206 flow [2024-06-04 14:30:28,677 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=206, PETRI_PLACES=83, PETRI_TRANSITIONS=72} [2024-06-04 14:30:28,678 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, -4 predicate places. [2024-06-04 14:30:28,678 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 72 transitions, 206 flow [2024-06-04 14:30:28,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 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) [2024-06-04 14:30:28,678 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-04 14:30:28,678 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-04 14:30:28,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-06-04 14:30:28,679 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 17 more)] === [2024-06-04 14:30:28,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-04 14:30:28,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1614782596, now seen corresponding path program 1 times [2024-06-04 14:30:28,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-04 14:30:28,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292262609] [2024-06-04 14:30:28,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-04 14:30:28,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-04 14:30:28,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-04 14:30:28,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-04 14:30:28,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-04 14:30:28,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292262609] [2024-06-04 14:30:28,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292262609] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-04 14:30:28,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-04 14:30:28,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-06-04 14:30:28,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318309383] [2024-06-04 14:30:28,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-04 14:30:28,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-06-04 14:30:28,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-04 14:30:28,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-06-04 14:30:28,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-06-04 14:30:28,796 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 90 [2024-06-04 14:30:28,796 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 72 transitions, 206 flow. Second operand has 7 states, 7 states have (on average 29.857142857142858) internal successors, (209), 7 states have internal predecessors, (209), 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) [2024-06-04 14:30:28,796 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-04 14:30:28,796 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 90 [2024-06-04 14:30:28,797 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-04 14:30:30,070 INFO L124 PetriNetUnfolderBase]: 16073/22387 cut-off events. [2024-06-04 14:30:30,071 INFO L125 PetriNetUnfolderBase]: For 11423/11423 co-relation queries the response was YES. [2024-06-04 14:30:30,120 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47907 conditions, 22387 events. 16073/22387 cut-off events. For 11423/11423 co-relation queries the response was YES. Maximal size of possible extension queue 811. Compared 138431 event pairs, 2305 based on Foata normal form. 1828/23044 useless extension candidates. Maximal degree in co-relation 28534. Up to 3885 conditions per place. [2024-06-04 14:30:30,135 INFO L140 encePairwiseOnDemand]: 80/90 looper letters, 0 selfloop transitions, 0 changer transitions 207/207 dead transitions. [2024-06-04 14:30:30,135 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 207 transitions, 881 flow [2024-06-04 14:30:30,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-06-04 14:30:30,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-06-04 14:30:30,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 464 transitions. [2024-06-04 14:30:30,137 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5155555555555555 [2024-06-04 14:30:30,137 INFO L175 Difference]: Start difference. First operand has 83 places, 72 transitions, 206 flow. Second operand 10 states and 464 transitions. [2024-06-04 14:30:30,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 207 transitions, 881 flow [2024-06-04 14:30:30,184 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 207 transitions, 868 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-06-04 14:30:30,185 INFO L231 Difference]: Finished difference. Result has 83 places, 0 transitions, 0 flow [2024-06-04 14:30:30,186 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=163, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=0, PETRI_PLACES=83, PETRI_TRANSITIONS=0} [2024-06-04 14:30:30,186 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, -4 predicate places. [2024-06-04 14:30:30,186 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 0 transitions, 0 flow [2024-06-04 14:30:30,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 29.857142857142858) internal successors, (209), 7 states have internal predecessors, (209), 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) [2024-06-04 14:30:30,189 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 20 remaining) [2024-06-04 14:30:30,189 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 20 remaining) [2024-06-04 14:30:30,189 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 20 remaining) [2024-06-04 14:30:30,190 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 20 remaining) [2024-06-04 14:30:30,190 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 20 remaining) [2024-06-04 14:30:30,190 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 20 remaining) [2024-06-04 14:30:30,190 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 20 remaining) [2024-06-04 14:30:30,190 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 20 remaining) [2024-06-04 14:30:30,190 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 20 remaining) [2024-06-04 14:30:30,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 20 remaining) [2024-06-04 14:30:30,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2024-06-04 14:30:30,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2024-06-04 14:30:30,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 20 remaining) [2024-06-04 14:30:30,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 20 remaining) [2024-06-04 14:30:30,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork2Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 20 remaining) [2024-06-04 14:30:30,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork2Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 20 remaining) [2024-06-04 14:30:30,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 20 remaining) [2024-06-04 14:30:30,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 20 remaining) [2024-06-04 14:30:30,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork5Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 20 remaining) [2024-06-04 14:30:30,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork5Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 20 remaining) [2024-06-04 14:30:30,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-06-04 14:30:30,193 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-06-04 14:30:30,197 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-04 14:30:30,197 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-04 14:30:30,200 INFO L507 ceAbstractionStarter]: Automizer considered 6 witness invariants [2024-06-04 14:30:30,201 INFO L508 ceAbstractionStarter]: WitnessConsidered=6 [2024-06-04 14:30:30,201 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.06 02:30:30 BasicIcfg [2024-06-04 14:30:30,201 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-04 14:30:30,202 INFO L158 Benchmark]: Toolchain (without parser) took 13170.72ms. Allocated memory was 123.7MB in the beginning and 7.5GB in the end (delta: 7.4GB). Free memory was 49.9MB in the beginning and 6.4GB in the end (delta: -6.4GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-06-04 14:30:30,202 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 123.7MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-04 14:30:30,202 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 123.7MB. Free memory is still 52.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-04 14:30:30,203 INFO L158 Benchmark]: CACSL2BoogieTranslator took 323.59ms. Allocated memory was 123.7MB in the beginning and 155.2MB in the end (delta: 31.5MB). Free memory was 95.8MB in the beginning and 115.7MB in the end (delta: -20.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-06-04 14:30:30,203 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.56ms. Allocated memory is still 155.2MB. Free memory was 115.7MB in the beginning and 113.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-04 14:30:30,203 INFO L158 Benchmark]: Boogie Preprocessor took 40.67ms. Allocated memory is still 155.2MB. Free memory was 113.3MB in the beginning and 110.3MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-06-04 14:30:30,204 INFO L158 Benchmark]: RCFGBuilder took 592.01ms. Allocated memory is still 155.2MB. Free memory was 110.3MB in the beginning and 55.8MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2024-06-04 14:30:30,204 INFO L158 Benchmark]: TraceAbstraction took 12141.84ms. Allocated memory was 155.2MB in the beginning and 7.5GB in the end (delta: 7.4GB). Free memory was 54.9MB in the beginning and 6.4GB in the end (delta: -6.4GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-06-04 14:30:30,206 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 123.7MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 123.7MB. Free memory is still 52.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 323.59ms. Allocated memory was 123.7MB in the beginning and 155.2MB in the end (delta: 31.5MB). Free memory was 95.8MB in the beginning and 115.7MB in the end (delta: -20.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.56ms. Allocated memory is still 155.2MB. Free memory was 115.7MB in the beginning and 113.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.67ms. Allocated memory is still 155.2MB. Free memory was 113.3MB in the beginning and 110.3MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 592.01ms. Allocated memory is still 155.2MB. Free memory was 110.3MB in the beginning and 55.8MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * TraceAbstraction took 12141.84ms. Allocated memory was 155.2MB in the beginning and 7.5GB in the end (delta: 7.4GB). Free memory was 54.9MB in the beginning and 6.4GB in the end (delta: -6.4GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 102]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 103]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 193]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 194]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 165]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 166]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 13 procedures, 149 locations, 20 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: 12.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 492 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 461 mSDsluCounter, 79 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 64 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1097 IncrementalHoareTripleChecker+Invalid, 1124 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 15 mSDtfsCounter, 1097 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=255occurred in iteration=2, InterpolantAutomatonStates: 23, 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, 0.4s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 62 ConstructedInterpolants, 0 QuantifiedInterpolants, 188 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-06-04 14:30:30,238 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 Result: TRUE