./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_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_2_neg.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cde23df1 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_neg.i ./goblint.2024-05-21_14-57-05.files/protection/13-privatized_19-publish-precision_unknown_2_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-cde23df-m [2024-06-14 13:41:11,998 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-14 13:41:12,048 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-14 13:41:12,057 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-14 13:41:12,057 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-14 13:41:12,085 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-14 13:41:12,088 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-14 13:41:12,088 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-14 13:41:12,089 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-14 13:41:12,090 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-14 13:41:12,091 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-14 13:41:12,091 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-14 13:41:12,091 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-14 13:41:12,092 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-14 13:41:12,092 INFO L153 SettingsManager]: * Use SBE=true [2024-06-14 13:41:12,092 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-14 13:41:12,093 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-14 13:41:12,093 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-14 13:41:12,093 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-14 13:41:12,093 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-14 13:41:12,093 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-14 13:41:12,094 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-14 13:41:12,094 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-14 13:41:12,095 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-14 13:41:12,095 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-14 13:41:12,095 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-14 13:41:12,095 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-14 13:41:12,095 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-14 13:41:12,096 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-14 13:41:12,096 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-14 13:41:12,097 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-14 13:41:12,097 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-14 13:41:12,097 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-14 13:41:12,097 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-14 13:41:12,098 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-14 13:41:12,098 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-14 13:41:12,098 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-14 13:41:12,098 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-14 13:41:12,098 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-14 13:41:12,098 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-14 13:41:12,099 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-14 13:41:12,099 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-14 13:41:12,099 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-14 13:41:12,099 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-14 13:41:12,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-14 13:41:12,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-14 13:41:12,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-14 13:41:12,348 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-14 13:41:12,348 INFO L274 PluginConnector]: CDTParser initialized [2024-06-14 13:41:12,349 INFO L431 ainManager$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_neg.i [2024-06-14 13:41:13,376 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-14 13:41:13,635 INFO L384 CDTParser]: Found 1 translation units. [2024-06-14 13:41:13,636 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i [2024-06-14 13:41:13,650 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d80aff558/f0be363feca247efb0d85900ce768f13/FLAG7b67ff1ae [2024-06-14 13:41:13,663 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d80aff558/f0be363feca247efb0d85900ce768f13 [2024-06-14 13:41:13,665 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-14 13:41:13,666 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-14 13:41:13,667 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-21_14-57-05.files/protection/13-privatized_19-publish-precision_unknown_2_neg.yml/witness.yml [2024-06-14 13:41:13,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-14 13:41:13,753 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-14 13:41:13,755 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-14 13:41:13,755 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-14 13:41:13,759 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-14 13:41:13,759 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 01:41:13" (1/2) ... [2024-06-14 13:41:13,760 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52e93910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:41:13, skipping insertion in model container [2024-06-14 13:41:13,760 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 01:41:13" (1/2) ... [2024-06-14 13:41:13,761 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@785e14a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:41:13, skipping insertion in model container [2024-06-14 13:41:13,763 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 01:41:13" (2/2) ... [2024-06-14 13:41:13,764 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52e93910 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 01:41:13, skipping insertion in model container [2024-06-14 13:41:13,764 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 01:41:13" (2/2) ... [2024-06-14 13:41:13,764 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-14 13:41:13,787 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-14 13:41:13,789 INFO L97 edCorrectnessWitness]: Location invariant before [L698-L698] ! multithreaded || ((((0 <= glob1 && glob1 <= 5) && glob1 <= 127) && glob1 % 5 == 0) && (glob1 == 0 || glob1 == 5)) [2024-06-14 13:41:13,790 INFO L103 edCorrectnessWitness]: ghost_variable mutex2_locked = 0 [2024-06-14 13:41:13,790 INFO L103 edCorrectnessWitness]: ghost_variable mutex1_locked = 0 [2024-06-14 13:41:13,790 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-14 13:41:13,790 INFO L106 edCorrectnessWitness]: ghost_update [L700-L700] mutex2_locked = 0; [2024-06-14 13:41:13,791 INFO L106 edCorrectnessWitness]: ghost_update [L685-L685] mutex1_locked = 1; [2024-06-14 13:41:13,791 INFO L106 edCorrectnessWitness]: ghost_update [L697-L697] multithreaded = 1; [2024-06-14 13:41:13,791 INFO L106 edCorrectnessWitness]: ghost_update [L686-L686] mutex2_locked = 1; [2024-06-14 13:41:13,791 INFO L106 edCorrectnessWitness]: ghost_update [L691-L691] mutex2_locked = 0; [2024-06-14 13:41:13,791 INFO L106 edCorrectnessWitness]: ghost_update [L698-L698] mutex2_locked = 1; [2024-06-14 13:41:13,791 INFO L106 edCorrectnessWitness]: ghost_update [L692-L692] mutex1_locked = 0; [2024-06-14 13:41:13,791 INFO L106 edCorrectnessWitness]: ghost_update [L689-L689] mutex2_locked = 1; [2024-06-14 13:41:13,791 INFO L106 edCorrectnessWitness]: ghost_update [L688-L688] mutex2_locked = 0; [2024-06-14 13:41:13,830 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-14 13:41:14,054 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-14 13:41:14,067 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 [2024-06-14 13:41:14,152 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-14 13:41:14,193 INFO L206 MainTranslator]: Completed translation [2024-06-14 13:41:14,194 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 01:41:14 WrapperNode [2024-06-14 13:41:14,194 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-14 13:41:14,195 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-14 13:41:14,196 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-14 13:41:14,196 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-14 13:41:14,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 01:41:14" (1/1) ... [2024-06-14 13:41:14,226 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 01:41:14" (1/1) ... [2024-06-14 13:41:14,249 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2024-06-14 13:41:14,250 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-14 13:41:14,251 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-14 13:41:14,251 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-14 13:41:14,251 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-14 13:41:14,259 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 01:41:14" (1/1) ... [2024-06-14 13:41:14,260 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 01:41:14" (1/1) ... [2024-06-14 13:41:14,262 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 01:41:14" (1/1) ... [2024-06-14 13:41:14,271 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]. [2024-06-14 13:41:14,272 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 01:41:14" (1/1) ... [2024-06-14 13:41:14,272 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 01:41:14" (1/1) ... [2024-06-14 13:41:14,282 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 01:41:14" (1/1) ... [2024-06-14 13:41:14,284 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 01:41:14" (1/1) ... [2024-06-14 13:41:14,285 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 01:41:14" (1/1) ... [2024-06-14 13:41:14,286 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 01:41:14" (1/1) ... [2024-06-14 13:41:14,287 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-14 13:41:14,288 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-14 13:41:14,288 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-14 13:41:14,288 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-14 13:41:14,289 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 01:41:14" (1/1) ... [2024-06-14 13:41:14,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-14 13:41:14,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-14 13:41:14,326 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) [2024-06-14 13:41:14,328 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 [2024-06-14 13:41:14,366 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-14 13:41:14,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-14 13:41:14,367 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-06-14 13:41:14,367 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-06-14 13:41:14,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-14 13:41:14,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-14 13:41:14,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-14 13:41:14,368 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-14 13:41:14,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-14 13:41:14,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-14 13:41:14,372 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-14 13:41:14,465 INFO L244 CfgBuilder]: Building ICFG [2024-06-14 13:41:14,467 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-14 13:41:14,588 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-14 13:41:14,589 INFO L293 CfgBuilder]: Performing block encoding [2024-06-14 13:41:14,735 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-14 13:41:14,737 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-14 13:41:14,738 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 01:41:14 BoogieIcfgContainer [2024-06-14 13:41:14,738 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-14 13:41:14,740 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-14 13:41:14,740 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-14 13:41:14,743 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-14 13:41:14,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.06 01:41:13" (1/4) ... [2024-06-14 13:41:14,744 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7acf88e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 01:41:14, skipping insertion in model container [2024-06-14 13:41:14,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 01:41:13" (2/4) ... [2024-06-14 13:41:14,745 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7acf88e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.06 01:41:14, skipping insertion in model container [2024-06-14 13:41:14,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 01:41:14" (3/4) ... [2024-06-14 13:41:14,746 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7acf88e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.06 01:41:14, skipping insertion in model container [2024-06-14 13:41:14,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 01:41:14" (4/4) ... [2024-06-14 13:41:14,747 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_neg.i [2024-06-14 13:41:14,760 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-14 13:41:14,760 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-06-14 13:41:14,760 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-14 13:41:14,786 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-06-14 13:41:14,815 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 31 places, 27 transitions, 61 flow [2024-06-14 13:41:14,841 INFO L124 PetriNetUnfolderBase]: 0/26 cut-off events. [2024-06-14 13:41:14,848 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-06-14 13:41:14,849 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. [2024-06-14 13:41:14,849 INFO L82 GeneralOperation]: Start removeDead. Operand has 31 places, 27 transitions, 61 flow [2024-06-14 13:41:14,853 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 23 places, 19 transitions, 41 flow [2024-06-14 13:41:14,864 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-14 13:41:14,869 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;@26fa7f6e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-14 13:41:14,878 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-06-14 13:41:14,881 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-14 13:41:14,883 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-06-14 13:41:14,883 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-14 13:41:14,883 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-14 13:41:14,884 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-06-14 13:41:14,884 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-14 13:41:14,888 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-14 13:41:14,888 INFO L85 PathProgramCache]: Analyzing trace with hash -2139501867, now seen corresponding path program 1 times [2024-06-14 13:41:14,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-14 13:41:14,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338288618] [2024-06-14 13:41:14,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-14 13:41:14,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-14 13:41:15,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-14 13:41:15,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-14 13:41:15,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-14 13:41:15,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338288618] [2024-06-14 13:41:15,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338288618] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-14 13:41:15,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-14 13:41:15,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-14 13:41:15,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404165972] [2024-06-14 13:41:15,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-14 13:41:15,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-14 13:41:15,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-14 13:41:15,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-14 13:41:15,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-14 13:41:15,302 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 27 [2024-06-14 13:41:15,306 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) [2024-06-14 13:41:15,306 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-14 13:41:15,306 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 27 [2024-06-14 13:41:15,307 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-14 13:41:15,352 INFO L124 PetriNetUnfolderBase]: 11/48 cut-off events. [2024-06-14 13:41:15,352 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-14 13:41:15,354 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. [2024-06-14 13:41:15,355 INFO L140 encePairwiseOnDemand]: 23/27 looper letters, 13 selfloop transitions, 3 changer transitions 0/20 dead transitions. [2024-06-14 13:41:15,355 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 20 transitions, 75 flow [2024-06-14 13:41:15,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-14 13:41:15,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-14 13:41:15,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 38 transitions. [2024-06-14 13:41:15,364 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4691358024691358 [2024-06-14 13:41:15,365 INFO L175 Difference]: Start difference. First operand has 23 places, 19 transitions, 41 flow. Second operand 3 states and 38 transitions. [2024-06-14 13:41:15,367 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 20 transitions, 75 flow [2024-06-14 13:41:15,368 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 20 transitions, 74 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-14 13:41:15,370 INFO L231 Difference]: Finished difference. Result has 25 places, 19 transitions, 51 flow [2024-06-14 13:41:15,372 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} [2024-06-14 13:41:15,376 INFO L281 CegarLoopForPetriNet]: 23 programPoint places, 2 predicate places. [2024-06-14 13:41:15,376 INFO L495 AbstractCegarLoop]: Abstraction has has 25 places, 19 transitions, 51 flow [2024-06-14 13:41:15,377 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) [2024-06-14 13:41:15,377 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-14 13:41:15,377 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-14 13:41:15,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-14 13:41:15,377 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-14 13:41:15,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-14 13:41:15,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1651174440, now seen corresponding path program 1 times [2024-06-14 13:41:15,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-14 13:41:15,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421483671] [2024-06-14 13:41:15,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-14 13:41:15,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-14 13:41:15,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-14 13:41:15,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-14 13:41:15,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-14 13:41:15,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421483671] [2024-06-14 13:41:15,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421483671] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-14 13:41:15,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-14 13:41:15,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-06-14 13:41:15,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054699810] [2024-06-14 13:41:15,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-14 13:41:15,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-14 13:41:15,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-14 13:41:15,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-14 13:41:15,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-14 13:41:15,531 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 27 [2024-06-14 13:41:15,531 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) [2024-06-14 13:41:15,531 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-14 13:41:15,531 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 27 [2024-06-14 13:41:15,531 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-14 13:41:15,566 INFO L124 PetriNetUnfolderBase]: 9/38 cut-off events. [2024-06-14 13:41:15,567 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-06-14 13:41:15,567 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. [2024-06-14 13:41:15,567 INFO L140 encePairwiseOnDemand]: 24/27 looper letters, 0 selfloop transitions, 0 changer transitions 19/19 dead transitions. [2024-06-14 13:41:15,567 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 19 transitions, 79 flow [2024-06-14 13:41:15,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-14 13:41:15,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-14 13:41:15,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 37 transitions. [2024-06-14 13:41:15,570 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4567901234567901 [2024-06-14 13:41:15,570 INFO L175 Difference]: Start difference. First operand has 25 places, 19 transitions, 51 flow. Second operand 3 states and 37 transitions. [2024-06-14 13:41:15,570 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 19 transitions, 79 flow [2024-06-14 13:41:15,571 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 19 transitions, 70 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-06-14 13:41:15,572 INFO L231 Difference]: Finished difference. Result has 23 places, 0 transitions, 0 flow [2024-06-14 13:41:15,574 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} [2024-06-14 13:41:15,576 INFO L281 CegarLoopForPetriNet]: 23 programPoint places, 0 predicate places. [2024-06-14 13:41:15,576 INFO L495 AbstractCegarLoop]: Abstraction has has 23 places, 0 transitions, 0 flow [2024-06-14 13:41:15,577 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) [2024-06-14 13:41:15,579 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-06-14 13:41:15,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-06-14 13:41:15,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-14 13:41:15,584 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-14 13:41:15,588 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-14 13:41:15,588 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-14 13:41:15,595 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-06-14 13:41:15,595 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-06-14 13:41:15,596 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.06 01:41:15 BasicIcfg [2024-06-14 13:41:15,599 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-14 13:41:15,601 INFO L158 Benchmark]: Toolchain (without parser) took 1846.55ms. Allocated memory is still 153.1MB. Free memory was 122.1MB in the beginning and 71.8MB in the end (delta: 50.3MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. [2024-06-14 13:41:15,601 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 109.1MB. Free memory is still 70.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 13:41:15,601 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 153.1MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 13:41:15,602 INFO L158 Benchmark]: CACSL2BoogieTranslator took 439.46ms. Allocated memory is still 153.1MB. Free memory was 121.6MB in the beginning and 96.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-06-14 13:41:15,604 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.87ms. Allocated memory is still 153.1MB. Free memory was 96.4MB in the beginning and 94.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-14 13:41:15,605 INFO L158 Benchmark]: Boogie Preprocessor took 36.80ms. Allocated memory is still 153.1MB. Free memory was 94.3MB in the beginning and 92.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-14 13:41:15,606 INFO L158 Benchmark]: RCFGBuilder took 449.96ms. Allocated memory is still 153.1MB. Free memory was 92.2MB in the beginning and 65.5MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-06-14 13:41:15,607 INFO L158 Benchmark]: TraceAbstraction took 859.95ms. Allocated memory is still 153.1MB. Free memory was 65.0MB in the beginning and 71.8MB in the end (delta: -6.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 13:41:15,608 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 109.1MB. Free memory is still 70.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 153.1MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 439.46ms. Allocated memory is still 153.1MB. Free memory was 121.6MB in the beginning and 96.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.87ms. Allocated memory is still 153.1MB. Free memory was 96.4MB in the beginning and 94.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.80ms. Allocated memory is still 153.1MB. Free memory was 94.3MB in the beginning and 92.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 449.96ms. Allocated memory is still 153.1MB. Free memory was 92.2MB in the beginning and 65.5MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 859.95ms. Allocated memory is still 153.1MB. Free memory was 65.0MB in the beginning and 71.8MB in the end (delta: -6.8MB). There was no memory consumed. 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: 0.8s, 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, 0.1s 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, 0.1s 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! [2024-06-14 13:41:15,633 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE