./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.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_19-publish-precision_unknown_1_neg.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8857f20b 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_19-publish-precision_unknown_1_neg.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/13-privatized_19-publish-precision_unknown_1_neg.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-8857f20-m [2024-01-29 23:21:25,815 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-29 23:21:25,893 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-29 23:21:25,900 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-29 23:21:25,900 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-29 23:21:25,929 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-29 23:21:25,930 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-29 23:21:25,931 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-29 23:21:25,931 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-29 23:21:25,934 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-29 23:21:25,935 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-29 23:21:25,935 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-29 23:21:25,935 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-29 23:21:25,936 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-29 23:21:25,937 INFO L153 SettingsManager]: * Use SBE=true [2024-01-29 23:21:25,937 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-29 23:21:25,937 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-29 23:21:25,938 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-29 23:21:25,938 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-29 23:21:25,938 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-29 23:21:25,938 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-29 23:21:25,939 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-29 23:21:25,939 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-29 23:21:25,939 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-29 23:21:25,939 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-29 23:21:25,939 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-29 23:21:25,940 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-29 23:21:25,940 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-29 23:21:25,940 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-29 23:21:25,941 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-29 23:21:25,941 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-29 23:21:25,942 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-29 23:21:25,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 23:21:25,942 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-29 23:21:25,942 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-29 23:21:25,942 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-29 23:21:25,942 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-29 23:21:25,943 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-29 23:21:25,943 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-29 23:21:25,943 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-29 23:21:25,943 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-29 23:21:25,944 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-29 23:21:25,944 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-29 23:21:25,944 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-29 23:21:26,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-29 23:21:26,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-29 23:21:26,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-29 23:21:26,222 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-29 23:21:26,223 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-29 23:21:26,224 INFO L431 ainManager$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_19-publish-precision_unknown_1_neg.yml/witness.yml [2024-01-29 23:21:26,366 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-29 23:21:26,366 INFO L274 PluginConnector]: CDTParser initialized [2024-01-29 23:21:26,366 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2024-01-29 23:21:27,444 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-29 23:21:27,737 INFO L384 CDTParser]: Found 1 translation units. [2024-01-29 23:21:27,740 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2024-01-29 23:21:27,754 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf9815031/0ba45c14367a4b04acd101feba76cc83/FLAGde09aa718 [2024-01-29 23:21:28,052 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf9815031/0ba45c14367a4b04acd101feba76cc83 [2024-01-29 23:21:28,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-29 23:21:28,062 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-29 23:21:28,064 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-29 23:21:28,065 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-29 23:21:28,070 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-29 23:21:28,076 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 11:21:26" (1/2) ... [2024-01-29 23:21:28,077 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7284560a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:21:28, skipping insertion in model container [2024-01-29 23:21:28,077 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 11:21:26" (1/2) ... [2024-01-29 23:21:28,079 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1160da19 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:21:28, skipping insertion in model container [2024-01-29 23:21:28,079 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 11:21:28" (2/2) ... [2024-01-29 23:21:28,079 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7284560a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:21:28, skipping insertion in model container [2024-01-29 23:21:28,079 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 11:21:28" (2/2) ... [2024-01-29 23:21:28,079 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-29 23:21:28,104 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-29 23:21:28,106 INFO L98 nessWitnessExtractor]: Location invariant before [L689-L689] glob1 == 5 [2024-01-29 23:21:28,106 INFO L98 nessWitnessExtractor]: Location invariant before [L689-L689] (glob1 == 5) && ((unsigned long )arg == 0UL) [2024-01-29 23:21:28,106 INFO L98 nessWitnessExtractor]: Location invariant before [L685-L685] (unsigned long )arg == 0UL [2024-01-29 23:21:28,106 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] (glob1 == 0) && ((unsigned long )arg == 0UL) [2024-01-29 23:21:28,107 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] glob1 == 0 [2024-01-29 23:21:28,107 INFO L98 nessWitnessExtractor]: Location invariant before [L693-L693] (unsigned long )arg == 0UL [2024-01-29 23:21:28,107 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] (glob1 == 0) && ((unsigned long )arg == 0UL) [2024-01-29 23:21:28,107 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] glob1 == 0 [2024-01-29 23:21:28,108 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] glob1 == 0 [2024-01-29 23:21:28,108 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] glob1 == 0 [2024-01-29 23:21:28,108 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] glob1 == 0 [2024-01-29 23:21:28,108 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] (glob1 == 0) && (glob1 == 0) [2024-01-29 23:21:28,108 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] glob1 == 5 [2024-01-29 23:21:28,108 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] (glob1 == 5) && ((unsigned long )arg == 0UL) [2024-01-29 23:21:28,108 INFO L98 nessWitnessExtractor]: Location invariant before [L692-L692] glob1 == 0 [2024-01-29 23:21:28,109 INFO L98 nessWitnessExtractor]: Location invariant before [L692-L692] (glob1 == 0) && ((unsigned long )arg == 0UL) [2024-01-29 23:21:28,109 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] (glob1 == 5) && ((unsigned long )arg == 0UL) [2024-01-29 23:21:28,109 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] glob1 == 5 [2024-01-29 23:21:28,109 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] glob1 == 0 [2024-01-29 23:21:28,109 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] (glob1 == 0) && ((unsigned long )arg == 0UL) [2024-01-29 23:21:28,149 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-29 23:21:28,278 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_19-publish-precision_unknown_1_neg.i[1103,1116] [2024-01-29 23:21:28,370 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 23:21:28,378 INFO L202 MainTranslator]: Completed pre-run [2024-01-29 23:21:28,388 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_19-publish-precision_unknown_1_neg.i[1103,1116] [2024-01-29 23:21:28,392 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 Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-29 23:21:28,457 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 23:21:28,491 INFO L206 MainTranslator]: Completed translation [2024-01-29 23:21:28,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:21:28 WrapperNode [2024-01-29 23:21:28,492 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-29 23:21:28,493 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-29 23:21:28,493 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-29 23:21:28,493 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-29 23:21:28,498 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:21:28" (1/1) ... [2024-01-29 23:21:28,508 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:21:28" (1/1) ... [2024-01-29 23:21:28,531 INFO L138 Inliner]: procedures = 163, calls = 33, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 53 [2024-01-29 23:21:28,531 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-29 23:21:28,532 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-29 23:21:28,532 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-29 23:21:28,532 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-29 23:21:28,541 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:21:28" (1/1) ... [2024-01-29 23:21:28,542 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:21:28" (1/1) ... [2024-01-29 23:21:28,544 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:21:28" (1/1) ... [2024-01-29 23:21:28,557 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]. [2024-01-29 23:21:28,558 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:21:28" (1/1) ... [2024-01-29 23:21:28,558 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:21:28" (1/1) ... [2024-01-29 23:21:28,570 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:21:28" (1/1) ... [2024-01-29 23:21:28,572 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:21:28" (1/1) ... [2024-01-29 23:21:28,573 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:21:28" (1/1) ... [2024-01-29 23:21:28,574 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:21:28" (1/1) ... [2024-01-29 23:21:28,575 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-29 23:21:28,576 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-29 23:21:28,577 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-29 23:21:28,577 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-29 23:21:28,577 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:21:28" (1/1) ... [2024-01-29 23:21:28,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 23:21:28,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-29 23:21:28,601 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) [2024-01-29 23:21:28,618 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 [2024-01-29 23:21:28,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-29 23:21:28,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-29 23:21:28,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-29 23:21:28,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-29 23:21:28,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-29 23:21:28,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-29 23:21:28,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-29 23:21:28,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-29 23:21:28,631 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-01-29 23:21:28,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-29 23:21:28,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-29 23:21:28,631 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-01-29 23:21:28,632 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-01-29 23:21:28,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-29 23:21:28,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-29 23:21:28,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-29 23:21:28,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-29 23:21:28,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-29 23:21:28,632 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-01-29 23:21:28,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-29 23:21:28,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-29 23:21:28,634 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-29 23:21:28,731 INFO L244 CfgBuilder]: Building ICFG [2024-01-29 23:21:28,733 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-29 23:21:28,977 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-29 23:21:28,978 INFO L293 CfgBuilder]: Performing block encoding [2024-01-29 23:21:29,045 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-29 23:21:29,045 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-29 23:21:29,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 11:21:29 BoogieIcfgContainer [2024-01-29 23:21:29,046 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-29 23:21:29,047 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-29 23:21:29,047 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-29 23:21:29,050 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-29 23:21:29,050 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 11:21:26" (1/4) ... [2024-01-29 23:21:29,051 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@506ea5a5 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 11:21:29, skipping insertion in model container [2024-01-29 23:21:29,051 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 11:21:28" (2/4) ... [2024-01-29 23:21:29,051 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@506ea5a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 11:21:29, skipping insertion in model container [2024-01-29 23:21:29,051 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:21:28" (3/4) ... [2024-01-29 23:21:29,051 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@506ea5a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 11:21:29, skipping insertion in model container [2024-01-29 23:21:29,051 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 11:21:29" (4/4) ... [2024-01-29 23:21:29,052 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_neg.i [2024-01-29 23:21:29,065 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-29 23:21:29,065 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2024-01-29 23:21:29,065 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-29 23:21:29,146 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-01-29 23:21:29,173 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 67 places, 64 transitions, 135 flow [2024-01-29 23:21:29,211 INFO L124 PetriNetUnfolderBase]: 1/63 cut-off events. [2024-01-29 23:21:29,212 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-29 23:21:29,215 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 63 events. 1/63 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 55 event pairs, 0 based on Foata normal form. 0/43 useless extension candidates. Maximal degree in co-relation 57. Up to 2 conditions per place. [2024-01-29 23:21:29,216 INFO L82 GeneralOperation]: Start removeDead. Operand has 67 places, 64 transitions, 135 flow [2024-01-29 23:21:29,220 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 64 places, 61 transitions, 125 flow [2024-01-29 23:21:29,236 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-29 23:21:29,242 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;@1da47a33, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-29 23:21:29,242 INFO L358 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2024-01-29 23:21:29,245 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-29 23:21:29,245 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-29 23:21:29,246 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 23:21:29,246 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 23:21:29,247 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-29 23:21:29,247 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2024-01-29 23:21:29,252 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 23:21:29,252 INFO L85 PathProgramCache]: Analyzing trace with hash 7911, now seen corresponding path program 1 times [2024-01-29 23:21:29,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 23:21:29,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199902840] [2024-01-29 23:21:29,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 23:21:29,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 23:21:29,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 23:21:29,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 23:21:29,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 23:21:29,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199902840] [2024-01-29 23:21:29,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199902840] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 23:21:29,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 23:21:29,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 23:21:29,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479003371] [2024-01-29 23:21:29,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 23:21:29,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 23:21:29,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 23:21:29,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 23:21:29,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 23:21:29,595 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 25 out of 64 [2024-01-29 23:21:29,597 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 61 transitions, 125 flow. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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) [2024-01-29 23:21:29,598 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 23:21:29,598 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 25 of 64 [2024-01-29 23:21:29,599 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 23:21:29,733 INFO L124 PetriNetUnfolderBase]: 133/490 cut-off events. [2024-01-29 23:21:29,733 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 23:21:29,735 INFO L83 FinitePrefix]: Finished finitePrefix Result has 832 conditions, 490 events. 133/490 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2537 event pairs, 85 based on Foata normal form. 54/521 useless extension candidates. Maximal degree in co-relation 821. Up to 226 conditions per place. [2024-01-29 23:21:29,737 INFO L140 encePairwiseOnDemand]: 48/64 looper letters, 35 selfloop transitions, 4 changer transitions 0/63 dead transitions. [2024-01-29 23:21:29,738 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 63 transitions, 207 flow [2024-01-29 23:21:29,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 23:21:29,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 23:21:29,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 128 transitions. [2024-01-29 23:21:29,748 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2024-01-29 23:21:29,749 INFO L175 Difference]: Start difference. First operand has 64 places, 61 transitions, 125 flow. Second operand 3 states and 128 transitions. [2024-01-29 23:21:29,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 63 transitions, 207 flow [2024-01-29 23:21:29,752 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 63 transitions, 206 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-29 23:21:29,754 INFO L231 Difference]: Finished difference. Result has 62 places, 56 transitions, 144 flow [2024-01-29 23:21:29,756 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=144, PETRI_PLACES=62, PETRI_TRANSITIONS=56} [2024-01-29 23:21:29,767 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -2 predicate places. [2024-01-29 23:21:29,767 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 56 transitions, 144 flow [2024-01-29 23:21:29,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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) [2024-01-29 23:21:29,768 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 23:21:29,768 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-29 23:21:29,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-29 23:21:29,768 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2024-01-29 23:21:29,769 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 23:21:29,769 INFO L85 PathProgramCache]: Analyzing trace with hash 235999842, now seen corresponding path program 1 times [2024-01-29 23:21:29,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 23:21:29,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125392847] [2024-01-29 23:21:29,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 23:21:29,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 23:21:29,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 23:21:29,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 23:21:29,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 23:21:29,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125392847] [2024-01-29 23:21:29,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125392847] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 23:21:29,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 23:21:29,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 23:21:29,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574780252] [2024-01-29 23:21:29,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 23:21:29,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 23:21:29,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 23:21:29,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 23:21:29,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-29 23:21:29,997 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 40 out of 64 [2024-01-29 23:21:29,997 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 56 transitions, 144 flow. Second operand has 4 states, 4 states have (on average 41.25) internal successors, (165), 4 states have internal predecessors, (165), 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) [2024-01-29 23:21:29,998 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 23:21:29,998 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 40 of 64 [2024-01-29 23:21:29,998 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 23:21:30,069 INFO L124 PetriNetUnfolderBase]: 70/444 cut-off events. [2024-01-29 23:21:30,070 INFO L125 PetriNetUnfolderBase]: For 57/57 co-relation queries the response was YES. [2024-01-29 23:21:30,071 INFO L83 FinitePrefix]: Finished finitePrefix Result has 733 conditions, 444 events. 70/444 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2501 event pairs, 13 based on Foata normal form. 7/420 useless extension candidates. Maximal degree in co-relation 719. Up to 172 conditions per place. [2024-01-29 23:21:30,072 INFO L140 encePairwiseOnDemand]: 60/64 looper letters, 24 selfloop transitions, 2 changer transitions 0/60 dead transitions. [2024-01-29 23:21:30,072 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 60 transitions, 206 flow [2024-01-29 23:21:30,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 23:21:30,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 23:21:30,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 187 transitions. [2024-01-29 23:21:30,074 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.73046875 [2024-01-29 23:21:30,074 INFO L175 Difference]: Start difference. First operand has 62 places, 56 transitions, 144 flow. Second operand 4 states and 187 transitions. [2024-01-29 23:21:30,075 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 60 transitions, 206 flow [2024-01-29 23:21:30,076 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 60 transitions, 198 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 23:21:30,078 INFO L231 Difference]: Finished difference. Result has 61 places, 54 transitions, 136 flow [2024-01-29 23:21:30,078 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=136, PETRI_PLACES=61, PETRI_TRANSITIONS=54} [2024-01-29 23:21:30,079 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -3 predicate places. [2024-01-29 23:21:30,079 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 54 transitions, 136 flow [2024-01-29 23:21:30,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.25) internal successors, (165), 4 states have internal predecessors, (165), 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) [2024-01-29 23:21:30,079 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 23:21:30,080 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 23:21:30,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-29 23:21:30,080 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2024-01-29 23:21:30,081 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 23:21:30,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1591575419, now seen corresponding path program 1 times [2024-01-29 23:21:30,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 23:21:30,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574080839] [2024-01-29 23:21:30,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 23:21:30,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 23:21:30,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 23:21:30,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 23:21:30,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 23:21:30,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574080839] [2024-01-29 23:21:30,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574080839] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 23:21:30,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 23:21:30,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 23:21:30,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405438674] [2024-01-29 23:21:30,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 23:21:30,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 23:21:30,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 23:21:30,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 23:21:30,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-29 23:21:30,244 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 64 [2024-01-29 23:21:30,244 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 54 transitions, 136 flow. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 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) [2024-01-29 23:21:30,244 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 23:21:30,245 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 64 [2024-01-29 23:21:30,245 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 23:21:30,321 INFO L124 PetriNetUnfolderBase]: 145/487 cut-off events. [2024-01-29 23:21:30,321 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-01-29 23:21:30,322 INFO L83 FinitePrefix]: Finished finitePrefix Result has 952 conditions, 487 events. 145/487 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2415 event pairs, 13 based on Foata normal form. 7/476 useless extension candidates. Maximal degree in co-relation 938. Up to 190 conditions per place. [2024-01-29 23:21:30,324 INFO L140 encePairwiseOnDemand]: 55/64 looper letters, 42 selfloop transitions, 5 changer transitions 0/63 dead transitions. [2024-01-29 23:21:30,324 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 63 transitions, 250 flow [2024-01-29 23:21:30,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 23:21:30,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 23:21:30,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 119 transitions. [2024-01-29 23:21:30,326 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46484375 [2024-01-29 23:21:30,326 INFO L175 Difference]: Start difference. First operand has 61 places, 54 transitions, 136 flow. Second operand 4 states and 119 transitions. [2024-01-29 23:21:30,326 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 63 transitions, 250 flow [2024-01-29 23:21:30,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 63 transitions, 247 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 23:21:30,328 INFO L231 Difference]: Finished difference. Result has 58 places, 50 transitions, 135 flow [2024-01-29 23:21:30,328 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=125, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=135, PETRI_PLACES=58, PETRI_TRANSITIONS=50} [2024-01-29 23:21:30,329 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -6 predicate places. [2024-01-29 23:21:30,329 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 50 transitions, 135 flow [2024-01-29 23:21:30,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 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) [2024-01-29 23:21:30,329 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 23:21:30,330 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 23:21:30,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-29 23:21:30,330 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2024-01-29 23:21:30,330 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 23:21:30,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1551346218, now seen corresponding path program 1 times [2024-01-29 23:21:30,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 23:21:30,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289651938] [2024-01-29 23:21:30,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 23:21:30,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 23:21:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 23:21:30,342 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-29 23:21:30,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 23:21:30,362 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-29 23:21:30,362 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-29 23:21:30,363 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (35 of 36 remaining) [2024-01-29 23:21:30,365 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 36 remaining) [2024-01-29 23:21:30,365 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 36 remaining) [2024-01-29 23:21:30,365 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 36 remaining) [2024-01-29 23:21:30,365 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 36 remaining) [2024-01-29 23:21:30,366 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 36 remaining) [2024-01-29 23:21:30,366 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 36 remaining) [2024-01-29 23:21:30,366 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 36 remaining) [2024-01-29 23:21:30,366 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 36 remaining) [2024-01-29 23:21:30,366 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 36 remaining) [2024-01-29 23:21:30,366 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 36 remaining) [2024-01-29 23:21:30,367 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 36 remaining) [2024-01-29 23:21:30,367 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 36 remaining) [2024-01-29 23:21:30,367 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr9ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 36 remaining) [2024-01-29 23:21:30,367 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 36 remaining) [2024-01-29 23:21:30,367 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 36 remaining) [2024-01-29 23:21:30,368 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr12ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 36 remaining) [2024-01-29 23:21:30,368 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr13ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 36 remaining) [2024-01-29 23:21:30,368 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr14ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 36 remaining) [2024-01-29 23:21:30,368 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr15ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 36 remaining) [2024-01-29 23:21:30,368 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 36 remaining) [2024-01-29 23:21:30,369 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 36 remaining) [2024-01-29 23:21:30,369 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 36 remaining) [2024-01-29 23:21:30,369 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 36 remaining) [2024-01-29 23:21:30,369 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 36 remaining) [2024-01-29 23:21:30,369 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 36 remaining) [2024-01-29 23:21:30,369 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 36 remaining) [2024-01-29 23:21:30,370 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 36 remaining) [2024-01-29 23:21:30,370 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 36 remaining) [2024-01-29 23:21:30,370 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr9ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 36 remaining) [2024-01-29 23:21:30,370 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 36 remaining) [2024-01-29 23:21:30,370 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 36 remaining) [2024-01-29 23:21:30,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr12ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 36 remaining) [2024-01-29 23:21:30,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr13ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 36 remaining) [2024-01-29 23:21:30,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr14ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 36 remaining) [2024-01-29 23:21:30,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr15ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 36 remaining) [2024-01-29 23:21:30,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-29 23:21:30,372 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-01-29 23:21:30,377 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-29 23:21:30,377 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-29 23:21:30,392 INFO L503 ceAbstractionStarter]: Automizer considered 18 witness invariants [2024-01-29 23:21:30,392 INFO L504 ceAbstractionStarter]: WitnessConsidered=18 [2024-01-29 23:21:30,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 11:21:30 BasicIcfg [2024-01-29 23:21:30,393 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-29 23:21:30,393 INFO L158 Benchmark]: Toolchain (without parser) took 2331.65ms. Allocated memory was 180.4MB in the beginning and 222.3MB in the end (delta: 41.9MB). Free memory was 149.5MB in the beginning and 157.7MB in the end (delta: -8.2MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2024-01-29 23:21:30,394 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 125.8MB. Free memory is still 90.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 23:21:30,394 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 125.8MB. Free memory is still 98.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 23:21:30,394 INFO L158 Benchmark]: CACSL2BoogieTranslator took 427.64ms. Allocated memory is still 180.4MB. Free memory was 149.5MB in the beginning and 126.0MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-01-29 23:21:30,394 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.68ms. Allocated memory is still 180.4MB. Free memory was 126.0MB in the beginning and 123.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-29 23:21:30,395 INFO L158 Benchmark]: Boogie Preprocessor took 43.56ms. Allocated memory is still 180.4MB. Free memory was 123.9MB in the beginning and 121.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-29 23:21:30,395 INFO L158 Benchmark]: RCFGBuilder took 469.76ms. Allocated memory is still 180.4MB. Free memory was 121.8MB in the beginning and 94.0MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-01-29 23:21:30,395 INFO L158 Benchmark]: TraceAbstraction took 1345.72ms. Allocated memory was 180.4MB in the beginning and 222.3MB in the end (delta: 41.9MB). Free memory was 93.2MB in the beginning and 157.7MB in the end (delta: -64.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 23:21:30,397 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 0.16ms. Allocated memory is still 125.8MB. Free memory is still 90.1MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.11ms. Allocated memory is still 125.8MB. Free memory is still 98.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 427.64ms. Allocated memory is still 180.4MB. Free memory was 149.5MB in the beginning and 126.0MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.68ms. Allocated memory is still 180.4MB. Free memory was 126.0MB in the beginning and 123.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.56ms. Allocated memory is still 180.4MB. Free memory was 123.9MB in the beginning and 121.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 469.76ms. Allocated memory is still 180.4MB. Free memory was 121.8MB in the beginning and 94.0MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1345.72ms. Allocated memory was 180.4MB in the beginning and 222.3MB in the end (delta: 41.9MB). Free memory was 93.2MB in the beginning and 157.7MB in the end (delta: -64.5MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L681] 0 int glob1 = 0; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L696] 0 pthread_t id; VAL [glob1=0, id={5:0}, mutex1={3:0}, mutex2={4:0}] [L697] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[glob1],IntegerLiteral[0]]]] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob1=0, id={5:0}, mutex1={3:0}, mutex2={4:0}] [L699] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[glob1],IntegerLiteral[0]]]] [L699] CALL 0 __VERIFIER_assert(!(glob1 == 0)) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, arg={0:0}, cond=0, glob1=0, mutex1={3:0}, mutex2={4:0}] [L19] 0 reach_error() VAL [\old(cond)=0, arg={0:0}, cond=0, glob1=0, mutex1={3:0}, mutex2={4:0}] - UnprovableResult [Line: 697]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 685]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 686]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 686]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 687]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 687]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 688]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 688]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 689]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 689]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 690]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 690]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 691]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 691]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 692]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 692]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 693]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 111 locations, 36 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: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 244 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 168 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 48 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 230 IncrementalHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 48 mSolverCounterUnsat, 13 mSDtfsCounter, 230 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=144occurred in iteration=1, InterpolantAutomatonStates: 11, 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, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 91 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-01-29 23:21:30,423 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE