./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.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_2_pos.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_2_pos.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/13-privatized_19-publish-precision_unknown_2_pos.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 23:21:28,827 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-29 23:21:28,907 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-29 23:21:28,913 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-29 23:21:28,914 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-29 23:21:28,944 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-29 23:21:28,945 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-29 23:21:28,945 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-29 23:21:28,946 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-29 23:21:28,949 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-29 23:21:28,950 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-29 23:21:28,950 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-29 23:21:28,951 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-29 23:21:28,952 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-29 23:21:28,952 INFO L153 SettingsManager]: * Use SBE=true [2024-01-29 23:21:28,952 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-29 23:21:28,953 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-29 23:21:28,953 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-29 23:21:28,953 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-29 23:21:28,954 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-29 23:21:28,954 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-29 23:21:28,954 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-29 23:21:28,955 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-29 23:21:28,955 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-29 23:21:28,955 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-29 23:21:28,955 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-29 23:21:28,956 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-29 23:21:28,956 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-29 23:21:28,957 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-29 23:21:28,957 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-29 23:21:28,958 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-29 23:21:28,958 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-29 23:21:28,959 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 23:21:28,959 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-29 23:21:28,959 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-29 23:21:28,959 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-29 23:21:28,960 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-29 23:21:28,960 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-29 23:21:28,960 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-29 23:21:28,961 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-29 23:21:28,961 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-29 23:21:28,961 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-29 23:21:28,961 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-29 23:21:28,962 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-29 23:21:29,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-29 23:21:29,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-29 23:21:29,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-29 23:21:29,273 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-29 23:21:29,273 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-29 23:21:29,274 INFO L431 ainManager$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_2_pos.yml/witness.yml [2024-01-29 23:21:29,394 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-29 23:21:29,396 INFO L274 PluginConnector]: CDTParser initialized [2024-01-29 23:21:29,397 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2024-01-29 23:21:30,776 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-29 23:21:31,054 INFO L384 CDTParser]: Found 1 translation units. [2024-01-29 23:21:31,055 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2024-01-29 23:21:31,072 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec7111f41/53e1bcdf23c247f2aef3093945ea7112/FLAGcea7a9a05 [2024-01-29 23:21:31,090 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec7111f41/53e1bcdf23c247f2aef3093945ea7112 [2024-01-29 23:21:31,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-29 23:21:31,092 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-29 23:21:31,095 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-29 23:21:31,095 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-29 23:21:31,099 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-29 23:21:31,100 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 11:21:29" (1/2) ... [2024-01-29 23:21:31,101 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5230b287 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:21:31, skipping insertion in model container [2024-01-29 23:21:31,102 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 11:21:29" (1/2) ... [2024-01-29 23:21:31,103 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4a002682 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:21:31, skipping insertion in model container [2024-01-29 23:21:31,104 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 11:21:31" (2/2) ... [2024-01-29 23:21:31,104 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5230b287 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:21:31, skipping insertion in model container [2024-01-29 23:21:31,105 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 11:21:31" (2/2) ... [2024-01-29 23:21:31,105 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-29 23:21:31,140 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-29 23:21:31,142 INFO L98 nessWitnessExtractor]: Location invariant before [L693-L693] (unsigned long )arg == 0UL [2024-01-29 23:21:31,142 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] glob1 == 0 [2024-01-29 23:21:31,143 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] (glob1 == 0) && ((unsigned long )arg == 0UL) [2024-01-29 23:21:31,143 INFO L98 nessWitnessExtractor]: Location invariant before [L689-L689] glob1 == 5 [2024-01-29 23:21:31,143 INFO L98 nessWitnessExtractor]: Location invariant before [L689-L689] (glob1 == 5) && ((unsigned long )arg == 0UL) [2024-01-29 23:21:31,144 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] (glob1 == 5) && ((unsigned long )arg == 0UL) [2024-01-29 23:21:31,144 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] glob1 == 5 [2024-01-29 23:21:31,144 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] glob1 == 0 [2024-01-29 23:21:31,144 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] (glob1 == 0) && ((unsigned long )arg == 0UL) [2024-01-29 23:21:31,144 INFO L98 nessWitnessExtractor]: Location invariant before [L685-L685] (unsigned long )arg == 0UL [2024-01-29 23:21:31,144 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] glob1 == 0 [2024-01-29 23:21:31,145 INFO L98 nessWitnessExtractor]: Location invariant before [L692-L692] glob1 == 0 [2024-01-29 23:21:31,145 INFO L98 nessWitnessExtractor]: Location invariant before [L692-L692] (glob1 == 0) && ((unsigned long )arg == 0UL) [2024-01-29 23:21:31,145 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] (glob1 == 0) && (glob1 == 0) [2024-01-29 23:21:31,145 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] glob1 == 0 [2024-01-29 23:21:31,145 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] glob1 == 0 [2024-01-29 23:21:31,146 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] glob1 == 5 [2024-01-29 23:21:31,146 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] (glob1 == 5) && ((unsigned long )arg == 0UL) [2024-01-29 23:21:31,146 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] glob1 == 0 [2024-01-29 23:21:31,146 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] (glob1 == 0) && ((unsigned long )arg == 0UL) [2024-01-29 23:21:31,193 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-29 23:21:31,368 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_2_pos.i[1103,1116] [2024-01-29 23:21:31,537 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 23:21:31,552 INFO L202 MainTranslator]: Completed pre-run [2024-01-29 23:21:31,566 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_2_pos.i[1103,1116] [2024-01-29 23:21:31,566 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 23:21:31,641 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 23:21:31,676 INFO L206 MainTranslator]: Completed translation [2024-01-29 23:21:31,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:21:31 WrapperNode [2024-01-29 23:21:31,677 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-29 23:21:31,678 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-29 23:21:31,678 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-29 23:21:31,679 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-29 23:21:31,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:21:31" (1/1) ... [2024-01-29 23:21:31,706 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:21:31" (1/1) ... [2024-01-29 23:21:31,723 INFO L138 Inliner]: procedures = 163, calls = 33, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 53 [2024-01-29 23:21:31,724 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-29 23:21:31,726 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-29 23:21:31,726 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-29 23:21:31,726 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-29 23:21:31,738 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:21:31" (1/1) ... [2024-01-29 23:21:31,738 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:21:31" (1/1) ... [2024-01-29 23:21:31,740 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:21:31" (1/1) ... [2024-01-29 23:21:31,752 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 23:21:31,753 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:21:31" (1/1) ... [2024-01-29 23:21:31,753 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:21:31" (1/1) ... [2024-01-29 23:21:31,760 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:21:31" (1/1) ... [2024-01-29 23:21:31,762 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:21:31" (1/1) ... [2024-01-29 23:21:31,763 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:21:31" (1/1) ... [2024-01-29 23:21:31,764 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:21:31" (1/1) ... [2024-01-29 23:21:31,767 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-29 23:21:31,768 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-29 23:21:31,769 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-29 23:21:31,769 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-29 23:21:31,770 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:21:31" (1/1) ... [2024-01-29 23:21:31,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 23:21:31,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-29 23:21:31,795 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 23:21:31,808 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 23:21:31,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-29 23:21:31,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-29 23:21:31,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-29 23:21:31,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-29 23:21:31,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-29 23:21:31,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-29 23:21:31,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-29 23:21:31,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-29 23:21:31,831 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-01-29 23:21:31,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-29 23:21:31,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-29 23:21:31,832 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-01-29 23:21:31,832 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-01-29 23:21:31,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-29 23:21:31,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-29 23:21:31,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-29 23:21:31,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-29 23:21:31,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-29 23:21:31,833 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-01-29 23:21:31,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-29 23:21:31,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-29 23:21:31,834 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 23:21:32,010 INFO L244 CfgBuilder]: Building ICFG [2024-01-29 23:21:32,012 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-29 23:21:32,294 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-29 23:21:32,294 INFO L293 CfgBuilder]: Performing block encoding [2024-01-29 23:21:32,428 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-29 23:21:32,429 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-29 23:21:32,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 11:21:32 BoogieIcfgContainer [2024-01-29 23:21:32,430 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-29 23:21:32,433 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-29 23:21:32,433 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-29 23:21:32,436 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-29 23:21:32,436 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 11:21:29" (1/4) ... [2024-01-29 23:21:32,437 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60ef3fd9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 11:21:32, skipping insertion in model container [2024-01-29 23:21:32,437 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 11:21:31" (2/4) ... [2024-01-29 23:21:32,438 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60ef3fd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 11:21:32, skipping insertion in model container [2024-01-29 23:21:32,438 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:21:31" (3/4) ... [2024-01-29 23:21:32,439 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60ef3fd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 11:21:32, skipping insertion in model container [2024-01-29 23:21:32,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 11:21:32" (4/4) ... [2024-01-29 23:21:32,441 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_pos.i [2024-01-29 23:21:32,457 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-29 23:21:32,457 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2024-01-29 23:21:32,457 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-29 23:21:32,511 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-01-29 23:21:32,549 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 67 places, 64 transitions, 135 flow [2024-01-29 23:21:32,596 INFO L124 PetriNetUnfolderBase]: 1/63 cut-off events. [2024-01-29 23:21:32,597 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-29 23:21:32,602 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 23:21:32,603 INFO L82 GeneralOperation]: Start removeDead. Operand has 67 places, 64 transitions, 135 flow [2024-01-29 23:21:32,614 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 64 places, 61 transitions, 125 flow [2024-01-29 23:21:32,631 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-29 23:21:32,639 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;@4208cfb5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-29 23:21:32,639 INFO L358 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2024-01-29 23:21:32,643 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-29 23:21:32,643 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-29 23:21:32,644 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 23:21:32,644 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 23:21:32,645 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-29 23:21:32,649 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 23:21:32,654 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 23:21:32,654 INFO L85 PathProgramCache]: Analyzing trace with hash 7911, now seen corresponding path program 1 times [2024-01-29 23:21:32,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 23:21:32,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817583657] [2024-01-29 23:21:32,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 23:21:32,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 23:21:32,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 23:21:32,888 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 23:21:32,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 23:21:32,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817583657] [2024-01-29 23:21:32,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817583657] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 23:21:32,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 23:21:32,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 23:21:32,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533619874] [2024-01-29 23:21:32,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 23:21:32,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 23:21:32,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 23:21:32,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 23:21:32,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 23:21:32,988 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 25 out of 64 [2024-01-29 23:21:32,990 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 23:21:32,991 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 23:21:32,991 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 25 of 64 [2024-01-29 23:21:32,992 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 23:21:33,196 INFO L124 PetriNetUnfolderBase]: 133/490 cut-off events. [2024-01-29 23:21:33,196 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 23:21:33,200 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 2521 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 23:21:33,205 INFO L140 encePairwiseOnDemand]: 48/64 looper letters, 35 selfloop transitions, 4 changer transitions 0/63 dead transitions. [2024-01-29 23:21:33,206 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 63 transitions, 207 flow [2024-01-29 23:21:33,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 23:21:33,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 23:21:33,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 128 transitions. [2024-01-29 23:21:33,220 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2024-01-29 23:21:33,222 INFO L175 Difference]: Start difference. First operand has 64 places, 61 transitions, 125 flow. Second operand 3 states and 128 transitions. [2024-01-29 23:21:33,223 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 63 transitions, 207 flow [2024-01-29 23:21:33,225 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 23:21:33,232 INFO L231 Difference]: Finished difference. Result has 62 places, 56 transitions, 144 flow [2024-01-29 23:21:33,234 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 23:21:33,238 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -2 predicate places. [2024-01-29 23:21:33,239 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 56 transitions, 144 flow [2024-01-29 23:21:33,239 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 23:21:33,239 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 23:21:33,240 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-29 23:21:33,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-29 23:21:33,240 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 23:21:33,241 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 23:21:33,241 INFO L85 PathProgramCache]: Analyzing trace with hash 235999842, now seen corresponding path program 1 times [2024-01-29 23:21:33,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 23:21:33,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451601354] [2024-01-29 23:21:33,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 23:21:33,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 23:21:33,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 23:21:33,411 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 23:21:33,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 23:21:33,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451601354] [2024-01-29 23:21:33,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451601354] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 23:21:33,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 23:21:33,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 23:21:33,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847284477] [2024-01-29 23:21:33,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 23:21:33,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 23:21:33,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 23:21:33,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 23:21:33,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-29 23:21:33,463 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 40 out of 64 [2024-01-29 23:21:33,465 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 23:21:33,465 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 23:21:33,465 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 40 of 64 [2024-01-29 23:21:33,465 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 23:21:33,569 INFO L124 PetriNetUnfolderBase]: 70/444 cut-off events. [2024-01-29 23:21:33,570 INFO L125 PetriNetUnfolderBase]: For 57/57 co-relation queries the response was YES. [2024-01-29 23:21:33,571 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 2523 event pairs, 13 based on Foata normal form. 7/413 useless extension candidates. Maximal degree in co-relation 719. Up to 172 conditions per place. [2024-01-29 23:21:33,572 INFO L140 encePairwiseOnDemand]: 60/64 looper letters, 24 selfloop transitions, 2 changer transitions 0/60 dead transitions. [2024-01-29 23:21:33,573 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 60 transitions, 206 flow [2024-01-29 23:21:33,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 23:21:33,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 23:21:33,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 187 transitions. [2024-01-29 23:21:33,575 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.73046875 [2024-01-29 23:21:33,575 INFO L175 Difference]: Start difference. First operand has 62 places, 56 transitions, 144 flow. Second operand 4 states and 187 transitions. [2024-01-29 23:21:33,575 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 60 transitions, 206 flow [2024-01-29 23:21:33,577 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 23:21:33,578 INFO L231 Difference]: Finished difference. Result has 61 places, 54 transitions, 136 flow [2024-01-29 23:21:33,578 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 23:21:33,579 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -3 predicate places. [2024-01-29 23:21:33,579 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 54 transitions, 136 flow [2024-01-29 23:21:33,580 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 23:21:33,580 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 23:21:33,580 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 23:21:33,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-29 23:21:33,580 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2024-01-29 23:21:33,581 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 23:21:33,581 INFO L85 PathProgramCache]: Analyzing trace with hash -189888484, now seen corresponding path program 1 times [2024-01-29 23:21:33,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 23:21:33,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353503813] [2024-01-29 23:21:33,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 23:21:33,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 23:21:33,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 23:21:33,631 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 23:21:33,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 23:21:33,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353503813] [2024-01-29 23:21:33,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353503813] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 23:21:33,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 23:21:33,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 23:21:33,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692702286] [2024-01-29 23:21:33,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 23:21:33,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 23:21:33,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 23:21:33,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 23:21:33,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-29 23:21:33,683 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 64 [2024-01-29 23:21:33,684 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 54 transitions, 136 flow. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 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 23:21:33,684 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 23:21:33,684 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 64 [2024-01-29 23:21:33,684 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 23:21:33,793 INFO L124 PetriNetUnfolderBase]: 151/505 cut-off events. [2024-01-29 23:21:33,793 INFO L125 PetriNetUnfolderBase]: For 41/41 co-relation queries the response was YES. [2024-01-29 23:21:33,794 INFO L83 FinitePrefix]: Finished finitePrefix Result has 985 conditions, 505 events. 151/505 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2545 event pairs, 25 based on Foata normal form. 0/478 useless extension candidates. Maximal degree in co-relation 971. Up to 176 conditions per place. [2024-01-29 23:21:33,798 INFO L140 encePairwiseOnDemand]: 55/64 looper letters, 42 selfloop transitions, 6 changer transitions 0/64 dead transitions. [2024-01-29 23:21:33,798 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 64 transitions, 254 flow [2024-01-29 23:21:33,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 23:21:33,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 23:21:33,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 119 transitions. [2024-01-29 23:21:33,803 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46484375 [2024-01-29 23:21:33,803 INFO L175 Difference]: Start difference. First operand has 61 places, 54 transitions, 136 flow. Second operand 4 states and 119 transitions. [2024-01-29 23:21:33,803 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 64 transitions, 254 flow [2024-01-29 23:21:33,805 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 64 transitions, 251 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 23:21:33,807 INFO L231 Difference]: Finished difference. Result has 59 places, 51 transitions, 139 flow [2024-01-29 23:21:33,807 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=127, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=139, PETRI_PLACES=59, PETRI_TRANSITIONS=51} [2024-01-29 23:21:33,808 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -5 predicate places. [2024-01-29 23:21:33,809 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 51 transitions, 139 flow [2024-01-29 23:21:33,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 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 23:21:33,810 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 23:21:33,810 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 23:21:33,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-29 23:21:33,811 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 23:21:33,811 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 23:21:33,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1551346218, now seen corresponding path program 1 times [2024-01-29 23:21:33,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 23:21:33,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458997940] [2024-01-29 23:21:33,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 23:21:33,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 23:21:33,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 23:21:33,846 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-29 23:21:33,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 23:21:33,880 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-29 23:21:33,881 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-29 23:21:33,882 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (35 of 36 remaining) [2024-01-29 23:21:33,884 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 36 remaining) [2024-01-29 23:21:33,884 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 36 remaining) [2024-01-29 23:21:33,884 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 36 remaining) [2024-01-29 23:21:33,885 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 36 remaining) [2024-01-29 23:21:33,885 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 36 remaining) [2024-01-29 23:21:33,885 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 36 remaining) [2024-01-29 23:21:33,885 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 36 remaining) [2024-01-29 23:21:33,886 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 36 remaining) [2024-01-29 23:21:33,886 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 36 remaining) [2024-01-29 23:21:33,886 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 36 remaining) [2024-01-29 23:21:33,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 36 remaining) [2024-01-29 23:21:33,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 36 remaining) [2024-01-29 23:21:33,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr9ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 36 remaining) [2024-01-29 23:21:33,888 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 36 remaining) [2024-01-29 23:21:33,888 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 36 remaining) [2024-01-29 23:21:33,888 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr12ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 36 remaining) [2024-01-29 23:21:33,888 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr13ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 36 remaining) [2024-01-29 23:21:33,888 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr14ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 36 remaining) [2024-01-29 23:21:33,889 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr15ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 36 remaining) [2024-01-29 23:21:33,889 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 36 remaining) [2024-01-29 23:21:33,889 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 36 remaining) [2024-01-29 23:21:33,889 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 36 remaining) [2024-01-29 23:21:33,889 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 36 remaining) [2024-01-29 23:21:33,890 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 36 remaining) [2024-01-29 23:21:33,890 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 36 remaining) [2024-01-29 23:21:33,890 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 36 remaining) [2024-01-29 23:21:33,890 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 36 remaining) [2024-01-29 23:21:33,890 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 36 remaining) [2024-01-29 23:21:33,891 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr9ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 36 remaining) [2024-01-29 23:21:33,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 36 remaining) [2024-01-29 23:21:33,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 36 remaining) [2024-01-29 23:21:33,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr12ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 36 remaining) [2024-01-29 23:21:33,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr13ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 36 remaining) [2024-01-29 23:21:33,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr14ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 36 remaining) [2024-01-29 23:21:33,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr15ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 36 remaining) [2024-01-29 23:21:33,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-29 23:21:33,893 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-01-29 23:21:33,899 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-29 23:21:33,899 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-29 23:21:33,917 INFO L503 ceAbstractionStarter]: Automizer considered 18 witness invariants [2024-01-29 23:21:33,917 INFO L504 ceAbstractionStarter]: WitnessConsidered=18 [2024-01-29 23:21:33,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 11:21:33 BasicIcfg [2024-01-29 23:21:33,918 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-29 23:21:33,918 INFO L158 Benchmark]: Toolchain (without parser) took 2826.61ms. Allocated memory was 132.1MB in the beginning and 190.8MB in the end (delta: 58.7MB). Free memory was 73.3MB in the beginning and 109.6MB in the end (delta: -36.3MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2024-01-29 23:21:33,919 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 132.1MB. Free memory is still 68.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 23:21:33,919 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 132.1MB. Free memory is still 109.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 23:21:33,919 INFO L158 Benchmark]: CACSL2BoogieTranslator took 582.20ms. Allocated memory is still 132.1MB. Free memory was 72.7MB in the beginning and 49.7MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-01-29 23:21:33,920 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.43ms. Allocated memory is still 132.1MB. Free memory was 49.7MB in the beginning and 48.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-29 23:21:33,920 INFO L158 Benchmark]: Boogie Preprocessor took 41.30ms. Allocated memory is still 132.1MB. Free memory was 48.1MB in the beginning and 45.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-29 23:21:33,920 INFO L158 Benchmark]: RCFGBuilder took 662.30ms. Allocated memory was 132.1MB in the beginning and 190.8MB in the end (delta: 58.7MB). Free memory was 45.5MB in the beginning and 137.3MB in the end (delta: -91.9MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2024-01-29 23:21:33,921 INFO L158 Benchmark]: TraceAbstraction took 1485.13ms. Allocated memory is still 190.8MB. Free memory was 137.3MB in the beginning and 109.6MB in the end (delta: 27.7MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2024-01-29 23:21:33,922 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 0.19ms. Allocated memory is still 132.1MB. Free memory is still 68.9MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.20ms. Allocated memory is still 132.1MB. Free memory is still 109.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 582.20ms. Allocated memory is still 132.1MB. Free memory was 72.7MB in the beginning and 49.7MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.43ms. Allocated memory is still 132.1MB. Free memory was 49.7MB in the beginning and 48.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.30ms. Allocated memory is still 132.1MB. Free memory was 48.1MB in the beginning and 45.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 662.30ms. Allocated memory was 132.1MB in the beginning and 190.8MB in the end (delta: 58.7MB). Free memory was 45.5MB in the beginning and 137.3MB in the end (delta: -91.9MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1485.13ms. Allocated memory is still 190.8MB. Free memory was 137.3MB in the beginning and 109.6MB in the end (delta: 27.7MB). Peak memory consumption was 30.9MB. 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={6:0}, 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={6:0}, mutex1={3:0}, mutex2={4:0}] [L699] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[glob1],IntegerLiteral[0]]]] [L699] CALL 0 __VERIFIER_assert(glob1 == 5) [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: 1.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 250 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 172 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17 mSDsCounter, 47 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 236 IncrementalHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 47 mSolverCounterUnsat, 13 mSDtfsCounter, 236 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, 0.3s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 76 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 23:21:33,956 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE