./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 --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-05-21_14-57-05.files/protection/13-privatized_19-publish-precision_unknown_1_neg.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version bcb38a6f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i ./goblint.2024-05-21_14-57-05.files/protection/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 --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-bcb38a6-m [2024-06-03 20:21:22,070 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-03 20:21:22,130 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-03 20:21:22,134 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-03 20:21:22,135 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-03 20:21:22,164 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-03 20:21:22,165 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-03 20:21:22,165 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-03 20:21:22,166 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-03 20:21:22,169 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-03 20:21:22,169 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-03 20:21:22,169 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-03 20:21:22,170 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-03 20:21:22,171 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-03 20:21:22,171 INFO L153 SettingsManager]: * Use SBE=true [2024-06-03 20:21:22,171 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-03 20:21:22,172 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-03 20:21:22,172 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-03 20:21:22,172 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-03 20:21:22,172 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-03 20:21:22,172 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-03 20:21:22,173 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-03 20:21:22,173 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-03 20:21:22,173 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-03 20:21:22,173 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-03 20:21:22,174 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-03 20:21:22,174 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-03 20:21:22,174 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-03 20:21:22,175 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-03 20:21:22,175 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-03 20:21:22,176 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-03 20:21:22,176 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-03 20:21:22,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-03 20:21:22,176 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-03 20:21:22,176 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-03 20:21:22,176 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-03 20:21:22,177 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-03 20:21:22,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-03 20:21:22,177 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-03 20:21:22,177 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-03 20:21:22,177 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-03 20:21:22,178 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-03 20:21:22,178 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-03 20:21:22,178 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-03 20:21:22,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-03 20:21:22,425 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-03 20:21:22,427 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-03 20:21:22,428 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-03 20:21:22,444 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-03 20:21:22,445 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-21_14-57-05.files/protection/13-privatized_19-publish-precision_unknown_1_neg.yml/witness.yml [2024-06-03 20:21:22,533 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-03 20:21:22,533 INFO L274 PluginConnector]: CDTParser initialized [2024-06-03 20:21:22,534 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2024-06-03 20:21:23,486 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-03 20:21:23,706 INFO L384 CDTParser]: Found 1 translation units. [2024-06-03 20:21:23,707 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2024-06-03 20:21:23,719 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1873a4f8b/d32ea81492a745278f4546611b3b72fe/FLAGd18498c2f [2024-06-03 20:21:23,729 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1873a4f8b/d32ea81492a745278f4546611b3b72fe [2024-06-03 20:21:23,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-03 20:21:23,731 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-03 20:21:23,731 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-03 20:21:23,732 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-03 20:21:23,735 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-03 20:21:23,736 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 03.06 08:21:22" (1/2) ... [2024-06-03 20:21:23,737 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f073224 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 08:21:23, skipping insertion in model container [2024-06-03 20:21:23,737 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 03.06 08:21:22" (1/2) ... [2024-06-03 20:21:23,738 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6ce89014 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 08:21:23, skipping insertion in model container [2024-06-03 20:21:23,739 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.06 08:21:23" (2/2) ... [2024-06-03 20:21:23,740 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f073224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:21:23, skipping insertion in model container [2024-06-03 20:21:23,740 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.06 08:21:23" (2/2) ... [2024-06-03 20:21:23,741 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-03 20:21:23,765 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-03 20:21:23,766 INFO L97 edCorrectnessWitness]: Location invariant before [L698-L698] ! multithreaded || ((((0 <= glob1 && glob1 <= 5) && glob1 <= 127) && glob1 % 5 == 0) && (glob1 == 0 || glob1 == 5)) [2024-06-03 20:21:23,766 INFO L103 edCorrectnessWitness]: ghost_variable mutex2_locked = 0 [2024-06-03 20:21:23,766 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-03 20:21:23,767 INFO L103 edCorrectnessWitness]: ghost_variable mutex1_locked = 0 [2024-06-03 20:21:23,767 INFO L106 edCorrectnessWitness]: ghost_update [L691-L691] mutex2_locked = 0; [2024-06-03 20:21:23,767 INFO L106 edCorrectnessWitness]: ghost_update [L700-L700] mutex2_locked = 0; [2024-06-03 20:21:23,767 INFO L106 edCorrectnessWitness]: ghost_update [L697-L697] multithreaded = 1; [2024-06-03 20:21:23,768 INFO L106 edCorrectnessWitness]: ghost_update [L698-L698] mutex2_locked = 1; [2024-06-03 20:21:23,768 INFO L106 edCorrectnessWitness]: ghost_update [L692-L692] mutex1_locked = 0; [2024-06-03 20:21:23,768 INFO L106 edCorrectnessWitness]: ghost_update [L686-L686] mutex2_locked = 1; [2024-06-03 20:21:23,768 INFO L106 edCorrectnessWitness]: ghost_update [L688-L688] mutex2_locked = 0; [2024-06-03 20:21:23,768 INFO L106 edCorrectnessWitness]: ghost_update [L685-L685] mutex1_locked = 1; [2024-06-03 20:21:23,769 INFO L106 edCorrectnessWitness]: ghost_update [L689-L689] mutex2_locked = 1; [2024-06-03 20:21:23,809 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-03 20:21:24,011 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-03 20:21:24,022 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-06-03 20:21:24,088 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-03 20:21:24,122 INFO L206 MainTranslator]: Completed translation [2024-06-03 20:21:24,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:21:24 WrapperNode [2024-06-03 20:21:24,123 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-03 20:21:24,124 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-03 20:21:24,125 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-03 20:21:24,125 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-03 20:21:24,131 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:21:24" (1/1) ... [2024-06-03 20:21:24,157 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:21:24" (1/1) ... [2024-06-03 20:21:24,179 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2024-06-03 20:21:24,179 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-03 20:21:24,180 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-03 20:21:24,181 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-03 20:21:24,181 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-03 20:21:24,189 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:21:24" (1/1) ... [2024-06-03 20:21:24,189 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:21:24" (1/1) ... [2024-06-03 20:21:24,194 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:21:24" (1/1) ... [2024-06-03 20:21:24,213 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 5, 5]. 42 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5]. The 0 writes are split as follows [0, 0, 0]. [2024-06-03 20:21:24,213 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:21:24" (1/1) ... [2024-06-03 20:21:24,213 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:21:24" (1/1) ... [2024-06-03 20:21:24,226 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:21:24" (1/1) ... [2024-06-03 20:21:24,228 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:21:24" (1/1) ... [2024-06-03 20:21:24,232 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:21:24" (1/1) ... [2024-06-03 20:21:24,233 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:21:24" (1/1) ... [2024-06-03 20:21:24,237 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-03 20:21:24,239 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-03 20:21:24,239 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-03 20:21:24,239 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-03 20:21:24,240 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:21:24" (1/1) ... [2024-06-03 20:21:24,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-03 20:21:24,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-03 20:21:24,298 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-06-03 20:21:24,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-06-03 20:21:24,372 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-03 20:21:24,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-03 20:21:24,373 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-06-03 20:21:24,373 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-06-03 20:21:24,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-03 20:21:24,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-03 20:21:24,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-03 20:21:24,374 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-03 20:21:24,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-03 20:21:24,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-03 20:21:24,376 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-03 20:21:24,502 INFO L244 CfgBuilder]: Building ICFG [2024-06-03 20:21:24,505 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-03 20:21:24,676 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-03 20:21:24,677 INFO L293 CfgBuilder]: Performing block encoding [2024-06-03 20:21:24,760 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-03 20:21:24,760 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-03 20:21:24,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.06 08:21:24 BoogieIcfgContainer [2024-06-03 20:21:24,761 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-03 20:21:24,762 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-03 20:21:24,762 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-03 20:21:24,764 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-03 20:21:24,764 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 03.06 08:21:22" (1/4) ... [2024-06-03 20:21:24,765 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e56b20b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 03.06 08:21:24, skipping insertion in model container [2024-06-03 20:21:24,765 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.06 08:21:23" (2/4) ... [2024-06-03 20:21:24,765 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e56b20b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.06 08:21:24, skipping insertion in model container [2024-06-03 20:21:24,765 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:21:24" (3/4) ... [2024-06-03 20:21:24,766 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e56b20b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.06 08:21:24, skipping insertion in model container [2024-06-03 20:21:24,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.06 08:21:24" (4/4) ... [2024-06-03 20:21:24,767 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_neg.i [2024-06-03 20:21:24,780 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-03 20:21:24,780 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-06-03 20:21:24,780 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-03 20:21:24,812 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-06-03 20:21:24,845 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 31 places, 27 transitions, 61 flow [2024-06-03 20:21:24,877 INFO L124 PetriNetUnfolderBase]: 0/26 cut-off events. [2024-06-03 20:21:24,877 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-06-03 20:21:24,879 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31 conditions, 26 events. 0/26 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 15 event pairs, 0 based on Foata normal form. 0/25 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-06-03 20:21:24,879 INFO L82 GeneralOperation]: Start removeDead. Operand has 31 places, 27 transitions, 61 flow [2024-06-03 20:21:24,883 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 23 places, 19 transitions, 41 flow [2024-06-03 20:21:24,893 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-03 20:21:24,900 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;@6f0b9a9f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-03 20:21:24,900 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-06-03 20:21:24,905 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-03 20:21:24,905 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-06-03 20:21:24,905 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-03 20:21:24,906 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 20:21:24,906 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-06-03 20:21:24,909 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-03 20:21:24,912 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 20:21:24,913 INFO L85 PathProgramCache]: Analyzing trace with hash -2139501867, now seen corresponding path program 1 times [2024-06-03 20:21:24,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 20:21:24,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968414580] [2024-06-03 20:21:24,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 20:21:24,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 20:21:25,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 20:21:25,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 20:21:25,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 20:21:25,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968414580] [2024-06-03 20:21:25,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968414580] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 20:21:25,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 20:21:25,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-03 20:21:25,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693843553] [2024-06-03 20:21:25,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 20:21:25,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-03 20:21:25,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 20:21:25,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-03 20:21:25,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-03 20:21:25,317 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 27 [2024-06-03 20:21:25,320 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 19 transitions, 41 flow. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 20:21:25,320 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 20:21:25,320 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 27 [2024-06-03 20:21:25,321 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 20:21:25,352 INFO L124 PetriNetUnfolderBase]: 11/48 cut-off events. [2024-06-03 20:21:25,352 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-03 20:21:25,353 INFO L83 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 48 events. 11/48 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 65 event pairs, 8 based on Foata normal form. 7/53 useless extension candidates. Maximal degree in co-relation 81. Up to 27 conditions per place. [2024-06-03 20:21:25,354 INFO L140 encePairwiseOnDemand]: 23/27 looper letters, 13 selfloop transitions, 3 changer transitions 0/20 dead transitions. [2024-06-03 20:21:25,354 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 20 transitions, 75 flow [2024-06-03 20:21:25,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-03 20:21:25,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-03 20:21:25,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 38 transitions. [2024-06-03 20:21:25,366 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4691358024691358 [2024-06-03 20:21:25,368 INFO L175 Difference]: Start difference. First operand has 23 places, 19 transitions, 41 flow. Second operand 3 states and 38 transitions. [2024-06-03 20:21:25,368 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 20 transitions, 75 flow [2024-06-03 20:21:25,370 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 20 transitions, 74 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-03 20:21:25,371 INFO L231 Difference]: Finished difference. Result has 25 places, 19 transitions, 51 flow [2024-06-03 20:21:25,373 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=27, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=51, PETRI_PLACES=25, PETRI_TRANSITIONS=19} [2024-06-03 20:21:25,376 INFO L281 CegarLoopForPetriNet]: 23 programPoint places, 2 predicate places. [2024-06-03 20:21:25,376 INFO L495 AbstractCegarLoop]: Abstraction has has 25 places, 19 transitions, 51 flow [2024-06-03 20:21:25,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 20:21:25,376 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 20:21:25,377 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 20:21:25,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-03 20:21:25,377 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-03 20:21:25,377 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 20:21:25,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1651174440, now seen corresponding path program 1 times [2024-06-03 20:21:25,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 20:21:25,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271576751] [2024-06-03 20:21:25,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 20:21:25,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 20:21:25,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 20:21:25,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 20:21:25,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 20:21:25,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271576751] [2024-06-03 20:21:25,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271576751] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 20:21:25,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 20:21:25,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-06-03 20:21:25,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212860287] [2024-06-03 20:21:25,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 20:21:25,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-03 20:21:25,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 20:21:25,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-03 20:21:25,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-03 20:21:25,468 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 27 [2024-06-03 20:21:25,469 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 19 transitions, 51 flow. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 20:21:25,469 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 20:21:25,469 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 27 [2024-06-03 20:21:25,469 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 20:21:25,495 INFO L124 PetriNetUnfolderBase]: 9/38 cut-off events. [2024-06-03 20:21:25,496 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-06-03 20:21:25,496 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 38 events. 9/38 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 34 event pairs, 6 based on Foata normal form. 3/40 useless extension candidates. Maximal degree in co-relation 68. Up to 24 conditions per place. [2024-06-03 20:21:25,496 INFO L140 encePairwiseOnDemand]: 24/27 looper letters, 0 selfloop transitions, 0 changer transitions 19/19 dead transitions. [2024-06-03 20:21:25,496 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 19 transitions, 79 flow [2024-06-03 20:21:25,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-03 20:21:25,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-03 20:21:25,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 37 transitions. [2024-06-03 20:21:25,497 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4567901234567901 [2024-06-03 20:21:25,497 INFO L175 Difference]: Start difference. First operand has 25 places, 19 transitions, 51 flow. Second operand 3 states and 37 transitions. [2024-06-03 20:21:25,497 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 19 transitions, 79 flow [2024-06-03 20:21:25,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 19 transitions, 70 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-06-03 20:21:25,498 INFO L231 Difference]: Finished difference. Result has 23 places, 0 transitions, 0 flow [2024-06-03 20:21:25,498 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=27, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=23, PETRI_TRANSITIONS=0} [2024-06-03 20:21:25,499 INFO L281 CegarLoopForPetriNet]: 23 programPoint places, 0 predicate places. [2024-06-03 20:21:25,499 INFO L495 AbstractCegarLoop]: Abstraction has has 23 places, 0 transitions, 0 flow [2024-06-03 20:21:25,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 20:21:25,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-06-03 20:21:25,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-06-03 20:21:25,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-03 20:21:25,502 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-03 20:21:25,504 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-03 20:21:25,504 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-03 20:21:25,508 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-06-03 20:21:25,508 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-06-03 20:21:25,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.06 08:21:25 BasicIcfg [2024-06-03 20:21:25,509 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-03 20:21:25,509 INFO L158 Benchmark]: Toolchain (without parser) took 1778.31ms. Allocated memory is still 174.1MB. Free memory was 142.0MB in the beginning and 55.3MB in the end (delta: 86.7MB). Peak memory consumption was 82.5MB. Max. memory is 16.1GB. [2024-06-03 20:21:25,509 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 111.1MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-03 20:21:25,509 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 111.1MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-03 20:21:25,510 INFO L158 Benchmark]: CACSL2BoogieTranslator took 391.92ms. Allocated memory is still 174.1MB. Free memory was 142.0MB in the beginning and 116.8MB in the end (delta: 25.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-06-03 20:21:25,510 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.19ms. Allocated memory is still 174.1MB. Free memory was 116.8MB in the beginning and 114.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-03 20:21:25,510 INFO L158 Benchmark]: Boogie Preprocessor took 57.90ms. Allocated memory is still 174.1MB. Free memory was 114.7MB in the beginning and 112.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-03 20:21:25,511 INFO L158 Benchmark]: RCFGBuilder took 522.01ms. Allocated memory is still 174.1MB. Free memory was 112.6MB in the beginning and 119.3MB in the end (delta: -6.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-06-03 20:21:25,511 INFO L158 Benchmark]: TraceAbstraction took 746.71ms. Allocated memory is still 174.1MB. Free memory was 118.2MB in the beginning and 55.3MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-06-03 20:21:25,513 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 0.13ms. Allocated memory is still 111.1MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.14ms. Allocated memory is still 111.1MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 391.92ms. Allocated memory is still 174.1MB. Free memory was 142.0MB in the beginning and 116.8MB in the end (delta: 25.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.19ms. Allocated memory is still 174.1MB. Free memory was 116.8MB in the beginning and 114.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.90ms. Allocated memory is still 174.1MB. Free memory was 114.7MB in the beginning and 112.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 522.01ms. Allocated memory is still 174.1MB. Free memory was 112.6MB in the beginning and 119.3MB in the end (delta: -6.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 746.71ms. Allocated memory is still 174.1MB. Free memory was 118.2MB in the beginning and 55.3MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 698]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 43 locations, 2 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: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 50 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 2 mSDtfsCounter, 50 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=1, InterpolantAutomatonStates: 6, 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, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 27 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-06-03 20:21:25,541 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE