./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_36-traces-ex-3_true.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/13-privatized_36-traces-ex-3_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 27552612 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_36-traces-ex-3_true.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/13-privatized_36-traces-ex-3_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-dev-2755261-m [2024-01-26 15:18:35,764 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-26 15:18:35,830 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-26 15:18:35,837 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-26 15:18:35,838 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-26 15:18:35,910 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-26 15:18:35,911 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-26 15:18:35,911 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-26 15:18:35,912 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-26 15:18:35,916 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-26 15:18:35,916 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-26 15:18:35,917 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-26 15:18:35,917 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-26 15:18:35,918 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-26 15:18:35,919 INFO L153 SettingsManager]: * Use SBE=true [2024-01-26 15:18:35,919 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-26 15:18:35,919 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-26 15:18:35,919 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-26 15:18:35,920 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-26 15:18:35,920 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-26 15:18:35,920 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-26 15:18:35,920 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-26 15:18:35,921 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-26 15:18:35,921 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-26 15:18:35,921 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-26 15:18:35,921 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-26 15:18:35,922 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-26 15:18:35,922 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-26 15:18:35,922 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-26 15:18:35,923 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-26 15:18:35,923 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-26 15:18:35,924 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-26 15:18:35,924 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-26 15:18:35,924 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-26 15:18:35,924 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-26 15:18:35,924 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-26 15:18:35,924 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-26 15:18:35,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-26 15:18:35,925 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-26 15:18:35,925 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-26 15:18:35,925 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-26 15:18:35,926 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-26 15:18:35,926 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-26 15:18:35,926 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-26 15:18:36,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-26 15:18:36,167 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-26 15:18:36,169 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-26 15:18:36,169 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-26 15:18:36,170 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-26 15:18:36,171 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/13-privatized_36-traces-ex-3_true.yml/witness.yml [2024-01-26 15:18:36,269 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-26 15:18:36,269 INFO L274 PluginConnector]: CDTParser initialized [2024-01-26 15:18:36,270 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_36-traces-ex-3_true.i [2024-01-26 15:18:37,307 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-26 15:18:37,593 INFO L384 CDTParser]: Found 1 translation units. [2024-01-26 15:18:37,593 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_36-traces-ex-3_true.i [2024-01-26 15:18:37,605 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e59ed0b5/f65a87352db442c2bfe7ebe0bc9a38e9/FLAG587eaeaee [2024-01-26 15:18:37,625 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e59ed0b5/f65a87352db442c2bfe7ebe0bc9a38e9 [2024-01-26 15:18:37,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-26 15:18:37,626 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-26 15:18:37,627 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-26 15:18:37,627 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-26 15:18:37,631 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-26 15:18:37,631 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.01 03:18:36" (1/2) ... [2024-01-26 15:18:37,632 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@650a9a34 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:18:37, skipping insertion in model container [2024-01-26 15:18:37,632 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.01 03:18:36" (1/2) ... [2024-01-26 15:18:37,633 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@634c5194 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:18:37, skipping insertion in model container [2024-01-26 15:18:37,633 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 03:18:37" (2/2) ... [2024-01-26 15:18:37,634 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@650a9a34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:18:37, skipping insertion in model container [2024-01-26 15:18:37,634 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 03:18:37" (2/2) ... [2024-01-26 15:18:37,634 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-26 15:18:37,665 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-26 15:18:37,666 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] (unsigned long )arg == 0UL [2024-01-26 15:18:37,666 INFO L98 nessWitnessExtractor]: Location invariant before [L695-L695] g == 2 [2024-01-26 15:18:37,666 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] g == 1 [2024-01-26 15:18:37,667 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] (unsigned long )arg == 0UL [2024-01-26 15:18:37,667 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] g == 2 [2024-01-26 15:18:37,667 INFO L98 nessWitnessExtractor]: Location invariant before [L685-L685] (unsigned long )arg == 0UL [2024-01-26 15:18:37,667 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] g == 1 [2024-01-26 15:18:37,667 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] (unsigned long )arg == 0UL [2024-01-26 15:18:37,667 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] (unsigned long )arg == 0UL [2024-01-26 15:18:37,667 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] g == 2 [2024-01-26 15:18:37,668 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] g == 2 [2024-01-26 15:18:37,668 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] g == 2 [2024-01-26 15:18:37,668 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] g == 2 [2024-01-26 15:18:37,668 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] g == 2 [2024-01-26 15:18:37,668 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] (unsigned long )arg == 0UL [2024-01-26 15:18:37,668 INFO L98 nessWitnessExtractor]: Location invariant before [L689-L689] g == 1 [2024-01-26 15:18:37,668 INFO L98 nessWitnessExtractor]: Location invariant before [L689-L689] (unsigned long )arg == 0UL [2024-01-26 15:18:37,698 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-26 15:18:37,812 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_36-traces-ex-3_true.i[1088,1101] [2024-01-26 15:18:37,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 15:18:37,896 INFO L202 MainTranslator]: Completed pre-run [2024-01-26 15:18:37,904 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_36-traces-ex-3_true.i[1088,1101] [2024-01-26 15:18:37,905 WARN L424 MainDispatcher]: Unable to annotate void __VERIFIER_assert(int cond) { if(!(cond)) { ERROR: {reach_error();abort();} } } with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-26 15:18:37,953 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 15:18:37,975 INFO L206 MainTranslator]: Completed translation [2024-01-26 15:18:37,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:18:37 WrapperNode [2024-01-26 15:18:37,976 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-26 15:18:37,977 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-26 15:18:37,977 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-26 15:18:37,977 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-26 15:18:37,982 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:18:37" (1/1) ... [2024-01-26 15:18:37,990 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:18:37" (1/1) ... [2024-01-26 15:18:38,003 INFO L138 Inliner]: procedures = 163, calls = 32, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 57 [2024-01-26 15:18:38,004 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-26 15:18:38,004 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-26 15:18:38,005 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-26 15:18:38,005 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-26 15:18:38,011 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:18:37" (1/1) ... [2024-01-26 15:18:38,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:18:37" (1/1) ... [2024-01-26 15:18:38,013 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:18:37" (1/1) ... [2024-01-26 15:18:38,022 INFO L175 MemorySlicer]: Split 13 memory accesses to 4 slices as follows [2, 5, 5, 1]. 38 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]. [2024-01-26 15:18:38,022 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:18:37" (1/1) ... [2024-01-26 15:18:38,022 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:18:37" (1/1) ... [2024-01-26 15:18:38,025 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:18:37" (1/1) ... [2024-01-26 15:18:38,027 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:18:37" (1/1) ... [2024-01-26 15:18:38,027 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:18:37" (1/1) ... [2024-01-26 15:18:38,028 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:18:37" (1/1) ... [2024-01-26 15:18:38,030 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-26 15:18:38,037 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-26 15:18:38,037 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-26 15:18:38,037 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-26 15:18:38,038 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:18:37" (1/1) ... [2024-01-26 15:18:38,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-26 15:18:38,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-26 15:18:38,073 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) [2024-01-26 15:18:38,079 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 [2024-01-26 15:18:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-26 15:18:38,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-26 15:18:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-26 15:18:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-26 15:18:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-01-26 15:18:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-26 15:18:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-26 15:18:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-01-26 15:18:38,195 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-01-26 15:18:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-26 15:18:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-26 15:18:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-26 15:18:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-26 15:18:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-26 15:18:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-01-26 15:18:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-26 15:18:38,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-26 15:18:38,198 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-26 15:18:38,334 INFO L244 CfgBuilder]: Building ICFG [2024-01-26 15:18:38,335 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-26 15:18:38,464 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-26 15:18:38,464 INFO L293 CfgBuilder]: Performing block encoding [2024-01-26 15:18:38,549 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-26 15:18:38,549 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-26 15:18:38,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 03:18:38 BoogieIcfgContainer [2024-01-26 15:18:38,550 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-26 15:18:38,551 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-26 15:18:38,551 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-26 15:18:38,554 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-26 15:18:38,554 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.01 03:18:36" (1/4) ... [2024-01-26 15:18:38,555 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d282656 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 26.01 03:18:38, skipping insertion in model container [2024-01-26 15:18:38,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 03:18:37" (2/4) ... [2024-01-26 15:18:38,555 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d282656 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 03:18:38, skipping insertion in model container [2024-01-26 15:18:38,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:18:37" (3/4) ... [2024-01-26 15:18:38,555 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d282656 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 03:18:38, skipping insertion in model container [2024-01-26 15:18:38,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 03:18:38" (4/4) ... [2024-01-26 15:18:38,556 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_36-traces-ex-3_true.i [2024-01-26 15:18:38,578 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-26 15:18:38,578 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2024-01-26 15:18:38,578 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-26 15:18:38,621 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-01-26 15:18:38,653 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 59 places, 56 transitions, 116 flow [2024-01-26 15:18:38,678 INFO L124 PetriNetUnfolderBase]: 1/55 cut-off events. [2024-01-26 15:18:38,679 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-26 15:18:38,691 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 55 events. 1/55 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 71 event pairs, 0 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 51. Up to 2 conditions per place. [2024-01-26 15:18:38,691 INFO L82 GeneralOperation]: Start removeDead. Operand has 59 places, 56 transitions, 116 flow [2024-01-26 15:18:38,694 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 58 places, 55 transitions, 113 flow [2024-01-26 15:18:38,702 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-26 15:18:38,709 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;@77e53753, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 15:18:38,709 INFO L358 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2024-01-26 15:18:38,712 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-26 15:18:38,713 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-26 15:18:38,713 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-26 15:18:38,714 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:18:38,714 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-26 15:18:38,714 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-01-26 15:18:38,720 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:18:38,720 INFO L85 PathProgramCache]: Analyzing trace with hash 7529, now seen corresponding path program 1 times [2024-01-26 15:18:38,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:18:38,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822202937] [2024-01-26 15:18:38,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:18:38,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:18:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 15:18:38,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 15:18:38,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 15:18:38,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822202937] [2024-01-26 15:18:38,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822202937] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 15:18:38,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 15:18:38,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-26 15:18:38,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504834461] [2024-01-26 15:18:38,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 15:18:38,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-26 15:18:38,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 15:18:39,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-26 15:18:39,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-26 15:18:39,027 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 56 [2024-01-26 15:18:39,030 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 55 transitions, 113 flow. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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) [2024-01-26 15:18:39,030 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-26 15:18:39,030 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 56 [2024-01-26 15:18:39,031 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-26 15:18:39,156 INFO L124 PetriNetUnfolderBase]: 112/471 cut-off events. [2024-01-26 15:18:39,157 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-26 15:18:39,158 INFO L83 FinitePrefix]: Finished finitePrefix Result has 753 conditions, 471 events. 112/471 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2749 event pairs, 62 based on Foata normal form. 31/436 useless extension candidates. Maximal degree in co-relation 742. Up to 174 conditions per place. [2024-01-26 15:18:39,161 INFO L140 encePairwiseOnDemand]: 43/56 looper letters, 31 selfloop transitions, 5 changer transitions 0/62 dead transitions. [2024-01-26 15:18:39,162 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 62 transitions, 199 flow [2024-01-26 15:18:39,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 15:18:39,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-26 15:18:39,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 127 transitions. [2024-01-26 15:18:39,179 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7559523809523809 [2024-01-26 15:18:39,180 INFO L175 Difference]: Start difference. First operand has 58 places, 55 transitions, 113 flow. Second operand 3 states and 127 transitions. [2024-01-26 15:18:39,181 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 62 transitions, 199 flow [2024-01-26 15:18:39,183 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 62 transitions, 198 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-26 15:18:39,187 INFO L231 Difference]: Finished difference. Result has 58 places, 53 transitions, 140 flow [2024-01-26 15:18:39,191 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=56, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=140, PETRI_PLACES=58, PETRI_TRANSITIONS=53} [2024-01-26 15:18:39,195 INFO L281 CegarLoopForPetriNet]: 58 programPoint places, 0 predicate places. [2024-01-26 15:18:39,196 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 53 transitions, 140 flow [2024-01-26 15:18:39,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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) [2024-01-26 15:18:39,196 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:18:39,196 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-26 15:18:39,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-26 15:18:39,197 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-01-26 15:18:39,199 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:18:39,199 INFO L85 PathProgramCache]: Analyzing trace with hash 224590274, now seen corresponding path program 1 times [2024-01-26 15:18:39,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:18:39,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787352795] [2024-01-26 15:18:39,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:18:39,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:18:39,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 15:18:39,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 15:18:39,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 15:18:39,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787352795] [2024-01-26 15:18:39,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787352795] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 15:18:39,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 15:18:39,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-26 15:18:39,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124683568] [2024-01-26 15:18:39,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 15:18:39,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-26 15:18:39,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 15:18:39,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-26 15:18:39,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-26 15:18:39,407 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 29 out of 56 [2024-01-26 15:18:39,409 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 53 transitions, 140 flow. Second operand has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 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) [2024-01-26 15:18:39,409 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-26 15:18:39,409 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 29 of 56 [2024-01-26 15:18:39,409 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-26 15:18:39,540 INFO L124 PetriNetUnfolderBase]: 78/392 cut-off events. [2024-01-26 15:18:39,540 INFO L125 PetriNetUnfolderBase]: For 82/82 co-relation queries the response was YES. [2024-01-26 15:18:39,544 INFO L83 FinitePrefix]: Finished finitePrefix Result has 685 conditions, 392 events. 78/392 cut-off events. For 82/82 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2172 event pairs, 13 based on Foata normal form. 70/450 useless extension candidates. Maximal degree in co-relation 671. Up to 172 conditions per place. [2024-01-26 15:18:39,546 INFO L140 encePairwiseOnDemand]: 47/56 looper letters, 26 selfloop transitions, 2 changer transitions 0/54 dead transitions. [2024-01-26 15:18:39,550 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 54 transitions, 200 flow [2024-01-26 15:18:39,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 15:18:39,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-26 15:18:39,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 150 transitions. [2024-01-26 15:18:39,556 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6696428571428571 [2024-01-26 15:18:39,556 INFO L175 Difference]: Start difference. First operand has 58 places, 53 transitions, 140 flow. Second operand 4 states and 150 transitions. [2024-01-26 15:18:39,556 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 54 transitions, 200 flow [2024-01-26 15:18:39,558 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 54 transitions, 190 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-26 15:18:39,560 INFO L231 Difference]: Finished difference. Result has 52 places, 46 transitions, 120 flow [2024-01-26 15:18:39,560 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=56, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=120, PETRI_PLACES=52, PETRI_TRANSITIONS=46} [2024-01-26 15:18:39,561 INFO L281 CegarLoopForPetriNet]: 58 programPoint places, -6 predicate places. [2024-01-26 15:18:39,561 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 46 transitions, 120 flow [2024-01-26 15:18:39,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 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) [2024-01-26 15:18:39,561 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:18:39,562 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-26 15:18:39,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-26 15:18:39,562 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-01-26 15:18:39,565 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:18:39,565 INFO L85 PathProgramCache]: Analyzing trace with hash -686351289, now seen corresponding path program 1 times [2024-01-26 15:18:39,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:18:39,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558474004] [2024-01-26 15:18:39,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:18:39,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:18:39,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 15:18:39,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 15:18:39,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 15:18:39,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558474004] [2024-01-26 15:18:39,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558474004] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 15:18:39,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 15:18:39,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-26 15:18:39,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433867571] [2024-01-26 15:18:39,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 15:18:39,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-26 15:18:39,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 15:18:39,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-26 15:18:39,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-26 15:18:39,642 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 29 out of 56 [2024-01-26 15:18:39,643 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 46 transitions, 120 flow. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 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) [2024-01-26 15:18:39,643 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-26 15:18:39,643 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 29 of 56 [2024-01-26 15:18:39,644 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-26 15:18:39,711 INFO L124 PetriNetUnfolderBase]: 93/321 cut-off events. [2024-01-26 15:18:39,712 INFO L125 PetriNetUnfolderBase]: For 57/59 co-relation queries the response was YES. [2024-01-26 15:18:39,712 INFO L83 FinitePrefix]: Finished finitePrefix Result has 619 conditions, 321 events. 93/321 cut-off events. For 57/59 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1503 event pairs, 58 based on Foata normal form. 42/352 useless extension candidates. Maximal degree in co-relation 605. Up to 135 conditions per place. [2024-01-26 15:18:39,714 INFO L140 encePairwiseOnDemand]: 49/56 looper letters, 23 selfloop transitions, 2 changer transitions 5/48 dead transitions. [2024-01-26 15:18:39,714 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 48 transitions, 180 flow [2024-01-26 15:18:39,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 15:18:39,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-26 15:18:39,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 122 transitions. [2024-01-26 15:18:39,716 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7261904761904762 [2024-01-26 15:18:39,716 INFO L175 Difference]: Start difference. First operand has 52 places, 46 transitions, 120 flow. Second operand 3 states and 122 transitions. [2024-01-26 15:18:39,716 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 48 transitions, 180 flow [2024-01-26 15:18:39,718 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 48 transitions, 177 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-26 15:18:39,719 INFO L231 Difference]: Finished difference. Result has 49 places, 38 transitions, 99 flow [2024-01-26 15:18:39,719 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=56, PETRI_DIFFERENCE_MINUEND_FLOW=103, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=99, PETRI_PLACES=49, PETRI_TRANSITIONS=38} [2024-01-26 15:18:39,720 INFO L281 CegarLoopForPetriNet]: 58 programPoint places, -9 predicate places. [2024-01-26 15:18:39,721 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 38 transitions, 99 flow [2024-01-26 15:18:39,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 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) [2024-01-26 15:18:39,721 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:18:39,721 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-26 15:18:39,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-26 15:18:39,722 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-01-26 15:18:39,722 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:18:39,722 INFO L85 PathProgramCache]: Analyzing trace with hash -569158323, now seen corresponding path program 1 times [2024-01-26 15:18:39,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:18:39,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319029638] [2024-01-26 15:18:39,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:18:39,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:18:39,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 15:18:39,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 15:18:39,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 15:18:39,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319029638] [2024-01-26 15:18:39,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319029638] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 15:18:39,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 15:18:39,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-26 15:18:39,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20774949] [2024-01-26 15:18:39,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 15:18:39,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-26 15:18:39,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 15:18:39,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-26 15:18:39,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-26 15:18:39,800 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 25 out of 56 [2024-01-26 15:18:39,800 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 38 transitions, 99 flow. Second operand has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 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) [2024-01-26 15:18:39,801 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-26 15:18:39,801 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 25 of 56 [2024-01-26 15:18:39,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-26 15:18:39,858 INFO L124 PetriNetUnfolderBase]: 80/266 cut-off events. [2024-01-26 15:18:39,858 INFO L125 PetriNetUnfolderBase]: For 79/87 co-relation queries the response was YES. [2024-01-26 15:18:39,859 INFO L83 FinitePrefix]: Finished finitePrefix Result has 543 conditions, 266 events. 80/266 cut-off events. For 79/87 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1108 event pairs, 38 based on Foata normal form. 2/262 useless extension candidates. Maximal degree in co-relation 530. Up to 82 conditions per place. [2024-01-26 15:18:39,860 INFO L140 encePairwiseOnDemand]: 50/56 looper letters, 29 selfloop transitions, 7 changer transitions 4/53 dead transitions. [2024-01-26 15:18:39,860 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 53 transitions, 221 flow [2024-01-26 15:18:39,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-26 15:18:39,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-01-26 15:18:39,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 167 transitions. [2024-01-26 15:18:39,861 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5964285714285714 [2024-01-26 15:18:39,861 INFO L175 Difference]: Start difference. First operand has 49 places, 38 transitions, 99 flow. Second operand 5 states and 167 transitions. [2024-01-26 15:18:39,861 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 53 transitions, 221 flow [2024-01-26 15:18:39,862 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 53 transitions, 213 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-26 15:18:39,863 INFO L231 Difference]: Finished difference. Result has 46 places, 38 transitions, 111 flow [2024-01-26 15:18:39,863 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=56, PETRI_DIFFERENCE_MINUEND_FLOW=91, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=111, PETRI_PLACES=46, PETRI_TRANSITIONS=38} [2024-01-26 15:18:39,863 INFO L281 CegarLoopForPetriNet]: 58 programPoint places, -12 predicate places. [2024-01-26 15:18:39,864 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 38 transitions, 111 flow [2024-01-26 15:18:39,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 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) [2024-01-26 15:18:39,864 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:18:39,864 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-26 15:18:39,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-26 15:18:39,864 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-01-26 15:18:39,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:18:39,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1205247677, now seen corresponding path program 1 times [2024-01-26 15:18:39,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:18:39,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333528852] [2024-01-26 15:18:39,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:18:39,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:18:39,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 15:18:39,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 15:18:39,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 15:18:39,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333528852] [2024-01-26 15:18:39,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333528852] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 15:18:39,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 15:18:39,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-01-26 15:18:39,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867527173] [2024-01-26 15:18:39,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 15:18:39,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-01-26 15:18:39,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 15:18:39,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-01-26 15:18:39,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-01-26 15:18:39,953 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 56 [2024-01-26 15:18:39,953 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 38 transitions, 111 flow. Second operand has 5 states, 5 states have (on average 38.8) internal successors, (194), 5 states have internal predecessors, (194), 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) [2024-01-26 15:18:39,953 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-26 15:18:39,953 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 56 [2024-01-26 15:18:39,953 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-26 15:18:39,985 INFO L124 PetriNetUnfolderBase]: 24/126 cut-off events. [2024-01-26 15:18:39,985 INFO L125 PetriNetUnfolderBase]: For 36/36 co-relation queries the response was YES. [2024-01-26 15:18:39,985 INFO L83 FinitePrefix]: Finished finitePrefix Result has 235 conditions, 126 events. 24/126 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 334 event pairs, 6 based on Foata normal form. 8/131 useless extension candidates. Maximal degree in co-relation 221. Up to 47 conditions per place. [2024-01-26 15:18:39,985 INFO L140 encePairwiseOnDemand]: 52/56 looper letters, 0 selfloop transitions, 0 changer transitions 38/38 dead transitions. [2024-01-26 15:18:39,986 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 38 transitions, 141 flow [2024-01-26 15:18:39,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 15:18:39,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-26 15:18:39,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 170 transitions. [2024-01-26 15:18:39,987 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7589285714285714 [2024-01-26 15:18:39,987 INFO L175 Difference]: Start difference. First operand has 46 places, 38 transitions, 111 flow. Second operand 4 states and 170 transitions. [2024-01-26 15:18:39,987 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 38 transitions, 141 flow [2024-01-26 15:18:39,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 38 transitions, 119 flow, removed 3 selfloop flow, removed 5 redundant places. [2024-01-26 15:18:39,988 INFO L231 Difference]: Finished difference. Result has 41 places, 0 transitions, 0 flow [2024-01-26 15:18:39,988 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=56, PETRI_DIFFERENCE_MINUEND_FLOW=71, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=41, PETRI_TRANSITIONS=0} [2024-01-26 15:18:39,988 INFO L281 CegarLoopForPetriNet]: 58 programPoint places, -17 predicate places. [2024-01-26 15:18:39,989 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 0 transitions, 0 flow [2024-01-26 15:18:39,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 38.8) internal successors, (194), 5 states have internal predecessors, (194), 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) [2024-01-26 15:18:39,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 29 remaining) [2024-01-26 15:18:39,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 29 remaining) [2024-01-26 15:18:39,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (26 of 29 remaining) [2024-01-26 15:18:39,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 29 remaining) [2024-01-26 15:18:39,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 29 remaining) [2024-01-26 15:18:39,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 29 remaining) [2024-01-26 15:18:39,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 29 remaining) [2024-01-26 15:18:39,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 29 remaining) [2024-01-26 15:18:39,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 29 remaining) [2024-01-26 15:18:39,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 29 remaining) [2024-01-26 15:18:39,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 29 remaining) [2024-01-26 15:18:39,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 29 remaining) [2024-01-26 15:18:39,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 29 remaining) [2024-01-26 15:18:39,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 29 remaining) [2024-01-26 15:18:39,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr9ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 29 remaining) [2024-01-26 15:18:39,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 29 remaining) [2024-01-26 15:18:39,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 29 remaining) [2024-01-26 15:18:39,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 29 remaining) [2024-01-26 15:18:39,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 29 remaining) [2024-01-26 15:18:39,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 29 remaining) [2024-01-26 15:18:39,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 29 remaining) [2024-01-26 15:18:39,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 29 remaining) [2024-01-26 15:18:39,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 29 remaining) [2024-01-26 15:18:39,995 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 29 remaining) [2024-01-26 15:18:39,995 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 29 remaining) [2024-01-26 15:18:39,995 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 29 remaining) [2024-01-26 15:18:39,995 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr9ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 29 remaining) [2024-01-26 15:18:39,995 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 29 remaining) [2024-01-26 15:18:39,995 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 29 remaining) [2024-01-26 15:18:39,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-26 15:18:39,996 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-01-26 15:18:40,000 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-26 15:18:40,000 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-26 15:18:40,004 INFO L503 ceAbstractionStarter]: Automizer considered 15 witness invariants [2024-01-26 15:18:40,004 INFO L504 ceAbstractionStarter]: WitnessConsidered=15 [2024-01-26 15:18:40,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.01 03:18:40 BasicIcfg [2024-01-26 15:18:40,005 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-26 15:18:40,005 INFO L158 Benchmark]: Toolchain (without parser) took 2379.39ms. Allocated memory was 142.6MB in the beginning and 186.6MB in the end (delta: 44.0MB). Free memory was 112.0MB in the beginning and 102.9MB in the end (delta: 9.1MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. [2024-01-26 15:18:40,006 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 142.6MB. Free memory is still 101.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-26 15:18:40,006 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 114.2MB in the end (delta: 73.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-26 15:18:40,006 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.16ms. Allocated memory is still 142.6MB. Free memory was 112.0MB in the beginning and 88.9MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-01-26 15:18:40,006 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.37ms. Allocated memory is still 142.6MB. Free memory was 88.9MB in the beginning and 87.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-26 15:18:40,007 INFO L158 Benchmark]: Boogie Preprocessor took 32.25ms. Allocated memory is still 142.6MB. Free memory was 87.6MB in the beginning and 85.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-26 15:18:40,007 INFO L158 Benchmark]: RCFGBuilder took 512.52ms. Allocated memory is still 142.6MB. Free memory was 84.7MB in the beginning and 58.8MB in the end (delta: 26.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-01-26 15:18:40,007 INFO L158 Benchmark]: TraceAbstraction took 1453.80ms. Allocated memory was 142.6MB in the beginning and 186.6MB in the end (delta: 44.0MB). Free memory was 57.5MB in the beginning and 102.9MB in the end (delta: -45.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-26 15:18:40,009 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.15ms. Allocated memory is still 142.6MB. Free memory is still 101.5MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 114.2MB in the end (delta: 73.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 349.16ms. Allocated memory is still 142.6MB. Free memory was 112.0MB in the beginning and 88.9MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.37ms. Allocated memory is still 142.6MB. Free memory was 88.9MB in the beginning and 87.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.25ms. Allocated memory is still 142.6MB. Free memory was 87.6MB in the beginning and 85.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 512.52ms. Allocated memory is still 142.6MB. Free memory was 84.7MB in the beginning and 58.8MB in the end (delta: 26.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1453.80ms. Allocated memory was 142.6MB in the beginning and 186.6MB in the end (delta: 44.0MB). Free memory was 57.5MB in the beginning and 102.9MB in the end (delta: -45.4MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 695]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 699]: 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: 700]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 685]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 686]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 686]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 687]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 687]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds 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: 688]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 689]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 689]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 690]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 690]: 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, 91 locations, 29 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: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 210 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 145 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 49 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 269 IncrementalHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 49 mSolverCounterUnsat, 24 mSDtfsCounter, 269 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=140occurred in iteration=1, InterpolantAutomatonStates: 19, 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, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 177 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 16 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-01-26 15:18:40,034 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE