./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i --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/13-privatized_30-traces-oplus-vs-meet_true.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/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/13-privatized_30-traces-oplus-vs-meet_true.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 19:06:07,620 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 19:06:07,698 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 19:06:07,702 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 19:06:07,702 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 19:06:07,722 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 19:06:07,723 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 19:06:07,723 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 19:06:07,723 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 19:06:07,726 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 19:06:07,727 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 19:06:07,727 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 19:06:07,728 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 19:06:07,729 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 19:06:07,729 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 19:06:07,729 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 19:06:07,729 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 19:06:07,730 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 19:06:07,730 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 19:06:07,730 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 19:06:07,730 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 19:06:07,730 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 19:06:07,731 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 19:06:07,731 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 19:06:07,731 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 19:06:07,731 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 19:06:07,731 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 19:06:07,731 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 19:06:07,732 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 19:06:07,733 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 19:06:07,733 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 19:06:07,734 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 19:06:07,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:06:07,734 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 19:06:07,734 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 19:06:07,734 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 19:06:07,734 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 19:06:07,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 19:06:07,734 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 19:06:07,735 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 19:06:07,735 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 19:06:07,735 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 19:06:07,735 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 19:06:07,735 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 19:06:07,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 19:06:08,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 19:06:08,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 19:06:08,009 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 19:06:08,009 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 19:06:08,010 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i [2024-02-07 19:06:09,107 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 19:06:09,400 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 19:06:09,401 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i [2024-02-07 19:06:09,411 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a227834de/e54afb38862e45d5adfe85331ab007d2/FLAG5704550a7 [2024-02-07 19:06:09,424 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a227834de/e54afb38862e45d5adfe85331ab007d2 [2024-02-07 19:06:09,427 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 19:06:09,427 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 19:06:09,429 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/13-privatized_30-traces-oplus-vs-meet_true.yml/witness.yml [2024-02-07 19:06:09,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 19:06:09,489 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 19:06:09,490 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 19:06:09,490 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 19:06:09,494 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 19:06:09,495 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:06:09" (1/2) ... [2024-02-07 19:06:09,495 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b66380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:06:09, skipping insertion in model container [2024-02-07 19:06:09,496 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:06:09" (1/2) ... [2024-02-07 19:06:09,497 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@e8fc6bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:06:09, skipping insertion in model container [2024-02-07 19:06:09,497 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:06:09" (2/2) ... [2024-02-07 19:06:09,498 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b66380 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:06:09, skipping insertion in model container [2024-02-07 19:06:09,498 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:06:09" (2/2) ... [2024-02-07 19:06:09,498 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 19:06:09,520 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 19:06:09,521 INFO L76 edCorrectnessWitness]: Location invariant before [L697-L697] g == 0 [2024-02-07 19:06:09,522 INFO L76 edCorrectnessWitness]: Location invariant before [L701-L701] g == 0 [2024-02-07 19:06:09,522 INFO L76 edCorrectnessWitness]: Location invariant before [L688-L688] g == 5 [2024-02-07 19:06:09,522 INFO L76 edCorrectnessWitness]: Location invariant before [L691-L691] g == 0 [2024-02-07 19:06:09,561 INFO L181 MainTranslator]: Built tables and reachable declarations [2024-02-07 19:06:09,727 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i[1097,1110] [2024-02-07 19:06:09,859 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:06:09,878 INFO L206 MainTranslator]: Completed pre-run [2024-02-07 19:06:09,892 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i[1097,1110] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-07 19:06:09,934 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:06:09,972 INFO L211 MainTranslator]: Completed translation [2024-02-07 19:06:09,973 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:06:09 WrapperNode [2024-02-07 19:06:09,973 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 19:06:09,974 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 19:06:09,975 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 19:06:09,975 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 19:06:09,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:06:09" (1/1) ... [2024-02-07 19:06:10,004 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:06:09" (1/1) ... [2024-02-07 19:06:10,027 INFO L138 Inliner]: procedures = 163, calls = 36, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2024-02-07 19:06:10,027 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 19:06:10,028 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 19:06:10,028 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 19:06:10,029 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 19:06:10,038 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:06:09" (1/1) ... [2024-02-07 19:06:10,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:06:09" (1/1) ... [2024-02-07 19:06:10,044 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:06:09" (1/1) ... [2024-02-07 19:06:10,066 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 5, 5, 2]. 36 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5, 0]. The 1 writes are split as follows [0, 0, 0, 1]. [2024-02-07 19:06:10,066 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:06:09" (1/1) ... [2024-02-07 19:06:10,066 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:06:09" (1/1) ... [2024-02-07 19:06:10,076 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:06:09" (1/1) ... [2024-02-07 19:06:10,078 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:06:09" (1/1) ... [2024-02-07 19:06:10,083 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:06:09" (1/1) ... [2024-02-07 19:06:10,084 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:06:09" (1/1) ... [2024-02-07 19:06:10,101 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 19:06:10,102 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 19:06:10,102 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 19:06:10,102 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 19:06:10,102 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:06:09" (1/1) ... [2024-02-07 19:06:10,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:06:10,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 19:06:10,128 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 19:06:10,144 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 19:06:10,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-07 19:06:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-07 19:06:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-07 19:06:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-02-07 19:06:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 19:06:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 19:06:10,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 19:06:10,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 19:06:10,163 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-02-07 19:06:10,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 19:06:10,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 19:06:10,163 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-02-07 19:06:10,164 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-02-07 19:06:10,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 19:06:10,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 19:06:10,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 19:06:10,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 19:06:10,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 19:06:10,166 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-02-07 19:06:10,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 19:06:10,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 19:06:10,168 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 19:06:10,287 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 19:06:10,289 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 19:06:10,513 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 19:06:10,513 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 19:06:10,583 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 19:06:10,584 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 19:06:10,584 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:06:10 BoogieIcfgContainer [2024-02-07 19:06:10,584 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 19:06:10,586 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 19:06:10,586 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 19:06:10,588 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 19:06:10,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 07:06:09" (1/4) ... [2024-02-07 19:06:10,589 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e3bbfc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:06:10, skipping insertion in model container [2024-02-07 19:06:10,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:06:09" (2/4) ... [2024-02-07 19:06:10,590 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e3bbfc6 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:06:10, skipping insertion in model container [2024-02-07 19:06:10,590 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:06:09" (3/4) ... [2024-02-07 19:06:10,590 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e3bbfc6 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:06:10, skipping insertion in model container [2024-02-07 19:06:10,590 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:06:10" (4/4) ... [2024-02-07 19:06:10,591 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_30-traces-oplus-vs-meet_true.i [2024-02-07 19:06:10,605 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 19:06:10,606 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-02-07 19:06:10,606 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 19:06:10,644 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-02-07 19:06:10,679 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 47 places, 45 transitions, 97 flow [2024-02-07 19:06:10,710 INFO L124 PetriNetUnfolderBase]: 2/44 cut-off events. [2024-02-07 19:06:10,711 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-02-07 19:06:10,715 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49 conditions, 44 events. 2/44 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 45 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 33. Up to 2 conditions per place. [2024-02-07 19:06:10,715 INFO L82 GeneralOperation]: Start removeDead. Operand has 47 places, 45 transitions, 97 flow [2024-02-07 19:06:10,720 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 44 places, 42 transitions, 87 flow [2024-02-07 19:06:10,734 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 19:06:10,741 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;@595b64fe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 19:06:10,741 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2024-02-07 19:06:10,744 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 19:06:10,745 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-07 19:06:10,745 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:06:10,745 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:06:10,746 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-07 19:06:10,746 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-02-07 19:06:10,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:06:10,750 INFO L85 PathProgramCache]: Analyzing trace with hash 8257, now seen corresponding path program 1 times [2024-02-07 19:06:10,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:06:10,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390427302] [2024-02-07 19:06:10,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:06:10,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:06:10,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:06:10,914 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 19:06:10,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:06:10,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390427302] [2024-02-07 19:06:10,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390427302] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:06:10,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:06:10,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:06:10,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017355945] [2024-02-07 19:06:10,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:06:10,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:06:10,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:06:10,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:06:10,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:06:10,969 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 45 [2024-02-07 19:06:10,971 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 42 transitions, 87 flow. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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 19:06:10,973 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:06:10,973 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 45 [2024-02-07 19:06:10,974 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:06:11,070 INFO L124 PetriNetUnfolderBase]: 102/310 cut-off events. [2024-02-07 19:06:11,071 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:06:11,072 INFO L83 FinitePrefix]: Finished finitePrefix Result has 557 conditions, 310 events. 102/310 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1475 event pairs, 59 based on Foata normal form. 22/318 useless extension candidates. Maximal degree in co-relation 541. Up to 171 conditions per place. [2024-02-07 19:06:11,082 INFO L140 encePairwiseOnDemand]: 35/45 looper letters, 31 selfloop transitions, 4 changer transitions 0/49 dead transitions. [2024-02-07 19:06:11,082 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 49 transitions, 171 flow [2024-02-07 19:06:11,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 19:06:11,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 19:06:11,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 87 transitions. [2024-02-07 19:06:11,092 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6444444444444445 [2024-02-07 19:06:11,093 INFO L175 Difference]: Start difference. First operand has 44 places, 42 transitions, 87 flow. Second operand 3 states and 87 transitions. [2024-02-07 19:06:11,094 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 49 transitions, 171 flow [2024-02-07 19:06:11,097 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 49 transitions, 170 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-02-07 19:06:11,101 INFO L231 Difference]: Finished difference. Result has 45 places, 40 transitions, 106 flow [2024-02-07 19:06:11,103 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=106, PETRI_PLACES=45, PETRI_TRANSITIONS=40} [2024-02-07 19:06:11,107 INFO L281 CegarLoopForPetriNet]: 44 programPoint places, 1 predicate places. [2024-02-07 19:06:11,107 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 40 transitions, 106 flow [2024-02-07 19:06:11,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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 19:06:11,108 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:06:11,108 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-02-07 19:06:11,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 19:06:11,109 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-02-07 19:06:11,110 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:06:11,110 INFO L85 PathProgramCache]: Analyzing trace with hash 7942795, now seen corresponding path program 1 times [2024-02-07 19:06:11,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:06:11,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40940465] [2024-02-07 19:06:11,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:06:11,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:06:11,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:06:11,247 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 19:06:11,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:06:11,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40940465] [2024-02-07 19:06:11,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40940465] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:06:11,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:06:11,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-07 19:06:11,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579691566] [2024-02-07 19:06:11,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:06:11,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-07 19:06:11,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:06:11,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-07 19:06:11,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-02-07 19:06:11,260 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 45 [2024-02-07 19:06:11,260 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 40 transitions, 106 flow. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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 19:06:11,260 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:06:11,260 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 45 [2024-02-07 19:06:11,260 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:06:11,398 INFO L124 PetriNetUnfolderBase]: 116/318 cut-off events. [2024-02-07 19:06:11,399 INFO L125 PetriNetUnfolderBase]: For 58/58 co-relation queries the response was YES. [2024-02-07 19:06:11,401 INFO L83 FinitePrefix]: Finished finitePrefix Result has 678 conditions, 318 events. 116/318 cut-off events. For 58/58 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1428 event pairs, 52 based on Foata normal form. 0/316 useless extension candidates. Maximal degree in co-relation 660. Up to 148 conditions per place. [2024-02-07 19:06:11,403 INFO L140 encePairwiseOnDemand]: 36/45 looper letters, 28 selfloop transitions, 10 changer transitions 14/60 dead transitions. [2024-02-07 19:06:11,404 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 60 transitions, 262 flow [2024-02-07 19:06:11,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-02-07 19:06:11,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-02-07 19:06:11,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 110 transitions. [2024-02-07 19:06:11,407 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4888888888888889 [2024-02-07 19:06:11,407 INFO L175 Difference]: Start difference. First operand has 45 places, 40 transitions, 106 flow. Second operand 5 states and 110 transitions. [2024-02-07 19:06:11,409 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 60 transitions, 262 flow [2024-02-07 19:06:11,412 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 60 transitions, 250 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-07 19:06:11,413 INFO L231 Difference]: Finished difference. Result has 43 places, 37 transitions, 112 flow [2024-02-07 19:06:11,413 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=112, PETRI_PLACES=43, PETRI_TRANSITIONS=37} [2024-02-07 19:06:11,418 INFO L281 CegarLoopForPetriNet]: 44 programPoint places, -1 predicate places. [2024-02-07 19:06:11,419 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 37 transitions, 112 flow [2024-02-07 19:06:11,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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 19:06:11,419 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:06:11,419 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-02-07 19:06:11,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-07 19:06:11,419 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-02-07 19:06:11,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:06:11,420 INFO L85 PathProgramCache]: Analyzing trace with hash 2082311060, now seen corresponding path program 1 times [2024-02-07 19:06:11,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:06:11,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479924913] [2024-02-07 19:06:11,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:06:11,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:06:11,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:06:11,473 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 19:06:11,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:06:11,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479924913] [2024-02-07 19:06:11,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479924913] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:06:11,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:06:11,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-07 19:06:11,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645985249] [2024-02-07 19:06:11,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:06:11,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:06:11,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:06:11,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:06:11,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:06:11,485 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 45 [2024-02-07 19:06:11,485 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 37 transitions, 112 flow. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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 19:06:11,485 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:06:11,485 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 45 [2024-02-07 19:06:11,485 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:06:11,535 INFO L124 PetriNetUnfolderBase]: 84/238 cut-off events. [2024-02-07 19:06:11,536 INFO L125 PetriNetUnfolderBase]: For 72/73 co-relation queries the response was YES. [2024-02-07 19:06:11,536 INFO L83 FinitePrefix]: Finished finitePrefix Result has 524 conditions, 238 events. 84/238 cut-off events. For 72/73 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 964 event pairs, 56 based on Foata normal form. 13/248 useless extension candidates. Maximal degree in co-relation 505. Up to 136 conditions per place. [2024-02-07 19:06:11,537 INFO L140 encePairwiseOnDemand]: 41/45 looper letters, 19 selfloop transitions, 2 changer transitions 12/41 dead transitions. [2024-02-07 19:06:11,537 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 41 transitions, 178 flow [2024-02-07 19:06:11,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 19:06:11,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 19:06:11,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 83 transitions. [2024-02-07 19:06:11,541 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6148148148148148 [2024-02-07 19:06:11,541 INFO L175 Difference]: Start difference. First operand has 43 places, 37 transitions, 112 flow. Second operand 3 states and 83 transitions. [2024-02-07 19:06:11,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 41 transitions, 178 flow [2024-02-07 19:06:11,543 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 41 transitions, 172 flow, removed 1 selfloop flow, removed 1 redundant places. [2024-02-07 19:06:11,544 INFO L231 Difference]: Finished difference. Result has 43 places, 26 transitions, 75 flow [2024-02-07 19:06:11,544 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=75, PETRI_PLACES=43, PETRI_TRANSITIONS=26} [2024-02-07 19:06:11,546 INFO L281 CegarLoopForPetriNet]: 44 programPoint places, -1 predicate places. [2024-02-07 19:06:11,546 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 26 transitions, 75 flow [2024-02-07 19:06:11,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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 19:06:11,546 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:06:11,546 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-02-07 19:06:11,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-02-07 19:06:11,547 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-02-07 19:06:11,547 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:06:11,547 INFO L85 PathProgramCache]: Analyzing trace with hash 239544999, now seen corresponding path program 1 times [2024-02-07 19:06:11,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:06:11,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956326384] [2024-02-07 19:06:11,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:06:11,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:06:11,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:06:11,629 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 19:06:11,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:06:11,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956326384] [2024-02-07 19:06:11,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956326384] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:06:11,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:06:11,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-07 19:06:11,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268412654] [2024-02-07 19:06:11,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:06:11,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:06:11,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:06:11,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:06:11,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:06:11,631 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 45 [2024-02-07 19:06:11,631 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 26 transitions, 75 flow. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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 19:06:11,631 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:06:11,632 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 45 [2024-02-07 19:06:11,632 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:06:11,659 INFO L124 PetriNetUnfolderBase]: 15/76 cut-off events. [2024-02-07 19:06:11,659 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-02-07 19:06:11,659 INFO L83 FinitePrefix]: Finished finitePrefix Result has 153 conditions, 76 events. 15/76 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 165 event pairs, 5 based on Foata normal form. 8/80 useless extension candidates. Maximal degree in co-relation 134. Up to 28 conditions per place. [2024-02-07 19:06:11,659 INFO L140 encePairwiseOnDemand]: 39/45 looper letters, 9 selfloop transitions, 3 changer transitions 11/31 dead transitions. [2024-02-07 19:06:11,659 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 31 transitions, 127 flow [2024-02-07 19:06:11,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 19:06:11,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 19:06:11,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 84 transitions. [2024-02-07 19:06:11,660 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6222222222222222 [2024-02-07 19:06:11,660 INFO L175 Difference]: Start difference. First operand has 43 places, 26 transitions, 75 flow. Second operand 3 states and 84 transitions. [2024-02-07 19:06:11,660 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 31 transitions, 127 flow [2024-02-07 19:06:11,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 31 transitions, 111 flow, removed 1 selfloop flow, removed 5 redundant places. [2024-02-07 19:06:11,661 INFO L231 Difference]: Finished difference. Result has 32 places, 19 transitions, 50 flow [2024-02-07 19:06:11,661 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=59, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=50, PETRI_PLACES=32, PETRI_TRANSITIONS=19} [2024-02-07 19:06:11,662 INFO L281 CegarLoopForPetriNet]: 44 programPoint places, -12 predicate places. [2024-02-07 19:06:11,662 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 19 transitions, 50 flow [2024-02-07 19:06:11,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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 19:06:11,662 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:06:11,662 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-02-07 19:06:11,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-02-07 19:06:11,663 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-02-07 19:06:11,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:06:11,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1712821818, now seen corresponding path program 1 times [2024-02-07 19:06:11,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:06:11,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682626913] [2024-02-07 19:06:11,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:06:11,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:06:11,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:06:11,842 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 19:06:11,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:06:11,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682626913] [2024-02-07 19:06:11,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682626913] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:06:11,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:06:11,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-02-07 19:06:11,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133596116] [2024-02-07 19:06:11,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:06:11,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-02-07 19:06:11,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:06:11,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-02-07 19:06:11,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-02-07 19:06:11,844 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 45 [2024-02-07 19:06:11,844 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 19 transitions, 50 flow. Second operand has 5 states, 5 states have (on average 22.2) internal successors, (111), 5 states have internal predecessors, (111), 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 19:06:11,844 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:06:11,844 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 45 [2024-02-07 19:06:11,844 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:06:11,864 INFO L124 PetriNetUnfolderBase]: 5/34 cut-off events. [2024-02-07 19:06:11,864 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-02-07 19:06:11,864 INFO L83 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 34 events. 5/34 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 50 event pairs, 0 based on Foata normal form. 3/36 useless extension candidates. Maximal degree in co-relation 56. Up to 16 conditions per place. [2024-02-07 19:06:11,865 INFO L140 encePairwiseOnDemand]: 42/45 looper letters, 0 selfloop transitions, 0 changer transitions 20/20 dead transitions. [2024-02-07 19:06:11,865 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 20 transitions, 78 flow [2024-02-07 19:06:11,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-02-07 19:06:11,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-02-07 19:06:11,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 95 transitions. [2024-02-07 19:06:11,865 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5277777777777778 [2024-02-07 19:06:11,866 INFO L175 Difference]: Start difference. First operand has 32 places, 19 transitions, 50 flow. Second operand 4 states and 95 transitions. [2024-02-07 19:06:11,866 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 20 transitions, 78 flow [2024-02-07 19:06:11,866 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 20 transitions, 72 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-07 19:06:11,866 INFO L231 Difference]: Finished difference. Result has 25 places, 0 transitions, 0 flow [2024-02-07 19:06:11,866 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=41, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=25, PETRI_TRANSITIONS=0} [2024-02-07 19:06:11,867 INFO L281 CegarLoopForPetriNet]: 44 programPoint places, -19 predicate places. [2024-02-07 19:06:11,867 INFO L495 AbstractCegarLoop]: Abstraction has has 25 places, 0 transitions, 0 flow [2024-02-07 19:06:11,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 5 states have internal predecessors, (111), 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 19:06:11,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 9 remaining) [2024-02-07 19:06:11,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (7 of 9 remaining) [2024-02-07 19:06:11,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 9 remaining) [2024-02-07 19:06:11,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (5 of 9 remaining) [2024-02-07 19:06:11,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2024-02-07 19:06:11,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 9 remaining) [2024-02-07 19:06:11,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 9 remaining) [2024-02-07 19:06:11,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 9 remaining) [2024-02-07 19:06:11,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 9 remaining) [2024-02-07 19:06:11,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-02-07 19:06:11,870 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-02-07 19:06:11,874 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 19:06:11,874 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 19:06:11,878 INFO L503 ceAbstractionStarter]: Automizer considered 4 witness invariants [2024-02-07 19:06:11,878 INFO L504 ceAbstractionStarter]: WitnessConsidered=4 [2024-02-07 19:06:11,878 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 07:06:11 BasicIcfg [2024-02-07 19:06:11,879 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 19:06:11,879 INFO L158 Benchmark]: Toolchain (without parser) took 2389.79ms. Allocated memory was 113.2MB in the beginning and 151.0MB in the end (delta: 37.7MB). Free memory was 79.8MB in the beginning and 91.5MB in the end (delta: -11.7MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2024-02-07 19:06:11,879 INFO L158 Benchmark]: CDTParser took 0.82ms. Allocated memory is still 113.2MB. Free memory is still 75.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:06:11,879 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 113.2MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:06:11,880 INFO L158 Benchmark]: CACSL2BoogieTranslator took 483.21ms. Allocated memory is still 113.2MB. Free memory was 79.5MB in the beginning and 56.1MB in the end (delta: 23.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-02-07 19:06:11,880 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.07ms. Allocated memory is still 113.2MB. Free memory was 56.1MB in the beginning and 54.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 19:06:11,880 INFO L158 Benchmark]: Boogie Preprocessor took 72.86ms. Allocated memory is still 113.2MB. Free memory was 54.0MB in the beginning and 51.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 19:06:11,880 INFO L158 Benchmark]: RCFGBuilder took 482.56ms. Allocated memory was 113.2MB in the beginning and 151.0MB in the end (delta: 37.7MB). Free memory was 51.6MB in the beginning and 104.4MB in the end (delta: -52.9MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2024-02-07 19:06:11,880 INFO L158 Benchmark]: TraceAbstraction took 1292.91ms. Allocated memory is still 151.0MB. Free memory was 103.7MB in the beginning and 91.5MB in the end (delta: 12.2MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2024-02-07 19:06:11,882 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.82ms. Allocated memory is still 113.2MB. Free memory is still 75.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.19ms. Allocated memory is still 113.2MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 483.21ms. Allocated memory is still 113.2MB. Free memory was 79.5MB in the beginning and 56.1MB in the end (delta: 23.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.07ms. Allocated memory is still 113.2MB. Free memory was 56.1MB in the beginning and 54.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.86ms. Allocated memory is still 113.2MB. Free memory was 54.0MB in the beginning and 51.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 482.56ms. Allocated memory was 113.2MB in the beginning and 151.0MB in the end (delta: 37.7MB). Free memory was 51.6MB in the beginning and 104.4MB in the end (delta: -52.9MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1292.91ms. Allocated memory is still 151.0MB. Free memory was 103.7MB in the beginning and 91.5MB in the end (delta: 12.2MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 697]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 701]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 688]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 691]: 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 3 procedures, 63 locations, 9 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: 1.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 112 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 88 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 232 IncrementalHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 13 mSDtfsCounter, 232 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred in iteration=2, InterpolantAutomatonStates: 18, 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, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 174 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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! [2024-02-07 19:06:11,904 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