./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_20-publish-regression_true.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-08-20_10-08-36.files/protection-local/13-privatized_20-publish-regression_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da67795f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_20-publish-regression_true.i ./goblint.2024-08-20_10-08-36.files/protection-local/13-privatized_20-publish-regression_true.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.goblint-eval-da67795-m [2024-08-27 13:28:22,692 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-27 13:28:22,758 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-27 13:28:22,764 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-27 13:28:22,765 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-27 13:28:22,797 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-27 13:28:22,799 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-27 13:28:22,800 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-27 13:28:22,800 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-27 13:28:22,802 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-27 13:28:22,802 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-27 13:28:22,803 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-27 13:28:22,803 INFO L153 SettingsManager]: * Use SBE=true [2024-08-27 13:28:22,803 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-27 13:28:22,804 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-27 13:28:22,804 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-27 13:28:22,804 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-27 13:28:22,805 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-27 13:28:22,805 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-27 13:28:22,805 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-27 13:28:22,806 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-27 13:28:22,809 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-27 13:28:22,810 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-27 13:28:22,810 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-27 13:28:22,810 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-27 13:28:22,810 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-27 13:28:22,811 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-27 13:28:22,811 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-27 13:28:22,811 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-27 13:28:22,812 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-27 13:28:22,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-27 13:28:22,812 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-27 13:28:22,812 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-27 13:28:22,813 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-27 13:28:22,813 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-27 13:28:22,813 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-27 13:28:22,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-27 13:28:22,814 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-27 13:28:22,814 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-27 13:28:22,815 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-27 13:28:22,815 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-27 13:28:22,815 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-27 13:28:22,815 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-08-27 13:28:23,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-27 13:28:23,064 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-27 13:28:23,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-27 13:28:23,069 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-27 13:28:23,070 INFO L274 PluginConnector]: CDTParser initialized [2024-08-27 13:28:23,071 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_20-publish-regression_true.i [2024-08-27 13:28:24,462 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-27 13:28:24,697 INFO L384 CDTParser]: Found 1 translation units. [2024-08-27 13:28:24,698 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_20-publish-regression_true.i [2024-08-27 13:28:24,715 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d0cbb073b/bbac376747964c36b6b9fa5d77d4fd21/FLAGd54b3ab5b [2024-08-27 13:28:24,729 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d0cbb073b/bbac376747964c36b6b9fa5d77d4fd21 [2024-08-27 13:28:24,731 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-27 13:28:24,732 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-27 13:28:24,732 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-20_10-08-36.files/protection-local/13-privatized_20-publish-regression_true.yml/witness.yml [2024-08-27 13:28:24,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-27 13:28:24,784 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-27 13:28:24,786 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-27 13:28:24,786 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-27 13:28:24,791 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-27 13:28:24,792 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 01:28:24" (1/2) ... [2024-08-27 13:28:24,793 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ff5995b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:28:24, skipping insertion in model container [2024-08-27 13:28:24,793 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 01:28:24" (1/2) ... [2024-08-27 13:28:24,794 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@30def2f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:28:24, skipping insertion in model container [2024-08-27 13:28:24,795 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.08 01:28:24" (2/2) ... [2024-08-27 13:28:24,795 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ff5995b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 01:28:24, skipping insertion in model container [2024-08-27 13:28:24,796 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.08 01:28:24" (2/2) ... [2024-08-27 13:28:24,796 INFO L85 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-27 13:28:24,821 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-08-27 13:28:24,821 INFO L1541 ArrayList]: Location invariant before [L686-L686] glob1 == 0 || glob1 == 5 [2024-08-27 13:28:24,821 INFO L1541 ArrayList]: Location invariant before [L687-L687] glob1 == 0 || glob1 == 5 [2024-08-27 13:28:24,822 INFO L1541 ArrayList]: Location invariant before [L701-L701] glob1 == 0 || glob1 == 5 [2024-08-27 13:28:24,822 INFO L1541 ArrayList]: Location invariant before [L690-L690] glob1 == 5 [2024-08-27 13:28:24,867 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-27 13:28:25,035 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_20-publish-regression_true.i[1095,1108] [2024-08-27 13:28:25,194 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-27 13:28:25,209 INFO L202 MainTranslator]: Completed pre-run [2024-08-27 13:28:25,229 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_20-publish-regression_true.i[1095,1108] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-27 13:28:25,304 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-27 13:28:25,334 INFO L206 MainTranslator]: Completed translation [2024-08-27 13:28:25,335 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 01:28:25 WrapperNode [2024-08-27 13:28:25,335 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-27 13:28:25,337 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-27 13:28:25,337 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-27 13:28:25,337 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-27 13:28:25,345 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 27.08 01:28:25" (1/1) ... [2024-08-27 13:28:25,360 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 27.08 01:28:25" (1/1) ... [2024-08-27 13:28:25,387 INFO L138 Inliner]: procedures = 162, calls = 30, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 88 [2024-08-27 13:28:25,390 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-27 13:28:25,391 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-27 13:28:25,391 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-27 13:28:25,391 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-27 13:28:25,399 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 01:28:25" (1/1) ... [2024-08-27 13:28:25,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 01:28:25" (1/1) ... [2024-08-27 13:28:25,404 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 01:28:25" (1/1) ... [2024-08-27 13:28:25,404 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 01:28:25" (1/1) ... [2024-08-27 13:28:25,412 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 01:28:25" (1/1) ... [2024-08-27 13:28:25,414 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 01:28:25" (1/1) ... [2024-08-27 13:28:25,420 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 01:28:25" (1/1) ... [2024-08-27 13:28:25,421 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 01:28:25" (1/1) ... [2024-08-27 13:28:25,424 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-27 13:28:25,425 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-27 13:28:25,425 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-27 13:28:25,428 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-27 13:28:25,429 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 01:28:25" (1/1) ... [2024-08-27 13:28:25,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-27 13:28:25,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 13:28:25,460 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-08-27 13:28:25,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-08-27 13:28:25,510 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-08-27 13:28:25,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-27 13:28:25,511 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-08-27 13:28:25,512 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-08-27 13:28:25,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-27 13:28:25,512 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-08-27 13:28:25,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-27 13:28:25,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-27 13:28:25,514 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-08-27 13:28:25,650 INFO L242 CfgBuilder]: Building ICFG [2024-08-27 13:28:25,652 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-27 13:28:25,865 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-27 13:28:25,865 INFO L291 CfgBuilder]: Performing block encoding [2024-08-27 13:28:25,982 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-27 13:28:25,982 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-27 13:28:25,984 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 01:28:25 BoogieIcfgContainer [2024-08-27 13:28:25,984 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-27 13:28:25,986 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-27 13:28:25,986 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-27 13:28:25,990 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-27 13:28:25,990 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 01:28:24" (1/4) ... [2024-08-27 13:28:25,991 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@253d750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 01:28:25, skipping insertion in model container [2024-08-27 13:28:25,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.08 01:28:24" (2/4) ... [2024-08-27 13:28:25,992 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@253d750 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.08 01:28:25, skipping insertion in model container [2024-08-27 13:28:25,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 01:28:25" (3/4) ... [2024-08-27 13:28:25,993 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@253d750 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.08 01:28:25, skipping insertion in model container [2024-08-27 13:28:25,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 01:28:25" (4/4) ... [2024-08-27 13:28:25,994 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_20-publish-regression_true.i [2024-08-27 13:28:26,012 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-27 13:28:26,013 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2024-08-27 13:28:26,013 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-27 13:28:26,057 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-08-27 13:28:26,097 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-27 13:28:26,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-27 13:28:26,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 13:28:26,100 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-27 13:28:26,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-08-27 13:28:26,138 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-27 13:28:26,152 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2024-08-27 13:28:26,159 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=PARTIAL_ORDER_FA, 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;@48ea095f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-27 13:28:26,161 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-08-27 13:28:26,237 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT, t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT, t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-27 13:28:26,240 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 13:28:26,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1609523556, now seen corresponding path program 1 times [2024-08-27 13:28:26,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 13:28:26,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456885621] [2024-08-27 13:28:26,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 13:28:26,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 13:28:26,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 13:28:26,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 13:28:26,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 13:28:26,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456885621] [2024-08-27 13:28:26,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456885621] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 13:28:26,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 13:28:26,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-27 13:28:26,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94122499] [2024-08-27 13:28:26,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 13:28:26,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-27 13:28:26,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 13:28:26,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-27 13:28:26,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-27 13:28:26,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 13:28:26,692 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 13:28:26,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 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) [2024-08-27 13:28:26,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 13:28:26,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:28:26,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-27 13:28:26,722 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT, t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT, t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-27 13:28:26,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 13:28:26,723 INFO L85 PathProgramCache]: Analyzing trace with hash 764419959, now seen corresponding path program 1 times [2024-08-27 13:28:26,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 13:28:26,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519140642] [2024-08-27 13:28:26,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 13:28:26,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 13:28:26,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 13:28:26,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 13:28:26,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 13:28:26,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519140642] [2024-08-27 13:28:26,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519140642] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 13:28:26,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 13:28:26,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-08-27 13:28:26,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287873601] [2024-08-27 13:28:26,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 13:28:26,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-27 13:28:26,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 13:28:26,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-27 13:28:26,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-27 13:28:26,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 13:28:26,786 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 13:28:26,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2024-08-27 13:28:26,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:28:26,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 13:28:26,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:28:26,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:28:26,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-27 13:28:26,897 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT, t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT, t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-27 13:28:26,897 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 13:28:26,897 INFO L85 PathProgramCache]: Analyzing trace with hash -220113493, now seen corresponding path program 1 times [2024-08-27 13:28:26,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 13:28:26,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178985415] [2024-08-27 13:28:26,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 13:28:26,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 13:28:26,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 13:28:26,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 13:28:26,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 13:28:26,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178985415] [2024-08-27 13:28:26,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178985415] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 13:28:26,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 13:28:26,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-27 13:28:26,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698084027] [2024-08-27 13:28:26,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 13:28:26,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-27 13:28:26,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 13:28:26,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-27 13:28:26,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-27 13:28:26,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 13:28:26,968 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 13:28:26,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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) [2024-08-27 13:28:26,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:28:26,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:28:26,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 13:28:27,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:28:27,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:28:27,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:28:27,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-08-27 13:28:27,015 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr3ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT, t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT, t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-27 13:28:27,016 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 13:28:27,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1014283999, now seen corresponding path program 1 times [2024-08-27 13:28:27,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 13:28:27,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806215170] [2024-08-27 13:28:27,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 13:28:27,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 13:28:27,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 13:28:27,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 13:28:27,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 13:28:27,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806215170] [2024-08-27 13:28:27,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806215170] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 13:28:27,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 13:28:27,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-27 13:28:27,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584848131] [2024-08-27 13:28:27,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 13:28:27,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-27 13:28:27,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 13:28:27,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-27 13:28:27,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-27 13:28:27,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 13:28:27,124 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 13:28:27,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-08-27 13:28:27,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:28:27,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:28:27,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:28:27,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 13:28:27,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:28:27,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:28:27,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:28:27,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 13:28:27,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-08-27 13:28:27,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-08-27 13:28:27,351 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 4 remaining) [2024-08-27 13:28:27,351 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2024-08-27 13:28:27,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-08-27 13:28:27,357 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-08-27 13:28:27,361 INFO L308 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was SAFE,SAFE,SAFE,SAFE (1/2) [2024-08-27 13:28:27,365 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-27 13:28:27,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-27 13:28:27,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 13:28:27,370 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-27 13:28:27,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2024-08-27 13:28:27,375 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-27 13:28:27,376 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-27 13:28:27,376 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=PARTIAL_ORDER_FA, 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;@48ea095f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-27 13:28:27,377 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-08-27 13:28:27,381 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-08-27 13:28:27,382 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 13:28:27,383 INFO L85 PathProgramCache]: Analyzing trace with hash 270583, now seen corresponding path program 1 times [2024-08-27 13:28:27,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 13:28:27,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534634231] [2024-08-27 13:28:27,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 13:28:27,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 13:28:27,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 13:28:27,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 13:28:27,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 13:28:27,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534634231] [2024-08-27 13:28:27,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534634231] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 13:28:27,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 13:28:27,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-27 13:28:27,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561397982] [2024-08-27 13:28:27,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 13:28:27,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-27 13:28:27,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 13:28:27,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-27 13:28:27,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-27 13:28:27,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 13:28:27,444 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 13:28:27,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2024-08-27 13:28:27,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 13:28:27,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:28:27,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-08-27 13:28:27,498 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-08-27 13:28:27,498 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 13:28:27,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1587162040, now seen corresponding path program 1 times [2024-08-27 13:28:27,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 13:28:27,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088749471] [2024-08-27 13:28:27,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 13:28:27,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 13:28:27,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 13:28:27,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 13:28:27,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 13:28:27,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088749471] [2024-08-27 13:28:27,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088749471] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 13:28:27,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 13:28:27,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-27 13:28:27,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131137149] [2024-08-27 13:28:27,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 13:28:27,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-27 13:28:27,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 13:28:27,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-27 13:28:27,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-27 13:28:27,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 13:28:27,547 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 13:28:27,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2024-08-27 13:28:27,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:28:27,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 13:28:27,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:28:27,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:28:27,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-08-27 13:28:27,701 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-08-27 13:28:27,701 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 13:28:27,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1376309372, now seen corresponding path program 1 times [2024-08-27 13:28:27,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 13:28:27,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559209925] [2024-08-27 13:28:27,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 13:28:27,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 13:28:27,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 13:28:27,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 13:28:27,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 13:28:27,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559209925] [2024-08-27 13:28:27,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559209925] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 13:28:27,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 13:28:27,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-27 13:28:27,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186401920] [2024-08-27 13:28:27,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 13:28:27,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-27 13:28:27,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 13:28:27,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-27 13:28:27,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-27 13:28:27,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 13:28:27,760 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 13:28:27,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2024-08-27 13:28:27,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:28:27,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:28:27,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 13:28:27,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:28:27,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:28:27,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:28:27,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-08-27 13:28:27,818 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-08-27 13:28:27,818 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 13:28:27,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1072900575, now seen corresponding path program 1 times [2024-08-27 13:28:27,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 13:28:27,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653433426] [2024-08-27 13:28:27,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 13:28:27,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 13:28:27,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 13:28:27,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 13:28:27,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 13:28:27,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653433426] [2024-08-27 13:28:27,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653433426] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 13:28:27,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 13:28:27,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-27 13:28:27,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584369580] [2024-08-27 13:28:27,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 13:28:27,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-27 13:28:27,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 13:28:27,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-27 13:28:27,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-08-27 13:28:27,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 13:28:27,936 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 13:28:27,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 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) [2024-08-27 13:28:27,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:28:27,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:28:27,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:28:27,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 13:28:28,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:28:28,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:28:28,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:28:28,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 13:28:28,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-08-27 13:28:28,034 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-08-27 13:28:28,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 13:28:28,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1073693852, now seen corresponding path program 1 times [2024-08-27 13:28:28,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 13:28:28,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282300750] [2024-08-27 13:28:28,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 13:28:28,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 13:28:28,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 13:28:28,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 13:28:28,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 13:28:28,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282300750] [2024-08-27 13:28:28,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282300750] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 13:28:28,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 13:28:28,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-27 13:28:28,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799051285] [2024-08-27 13:28:28,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 13:28:28,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-27 13:28:28,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 13:28:28,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-27 13:28:28,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-27 13:28:28,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 13:28:28,124 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 13:28:28,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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) [2024-08-27 13:28:28,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:28:28,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:28:28,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:28:28,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 13:28:28,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 13:28:28,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:28:28,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:28:28,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:28:28,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 13:28:28,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 13:28:28,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-08-27 13:28:28,235 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-08-27 13:28:28,236 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 13:28:28,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1042753818, now seen corresponding path program 2 times [2024-08-27 13:28:28,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 13:28:28,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415314160] [2024-08-27 13:28:28,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 13:28:28,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 13:28:28,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 13:28:28,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 13:28:28,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 13:28:28,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415314160] [2024-08-27 13:28:28,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415314160] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 13:28:28,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 13:28:28,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-27 13:28:28,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046816457] [2024-08-27 13:28:28,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 13:28:28,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-27 13:28:28,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 13:28:28,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-27 13:28:28,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-08-27 13:28:28,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 13:28:28,483 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 13:28:28,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-08-27 13:28:28,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:28:28,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:28:28,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:28:28,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 13:28:28,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 13:28:28,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 13:28:28,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:28:28,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:28:28,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:28:28,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 13:28:28,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 13:28:28,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 13:28:28,567 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-08-27 13:28:28,568 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-08-27 13:28:28,568 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2024-08-27 13:28:28,568 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-08-27 13:28:28,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-08-27 13:28:28,570 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2024-08-27 13:28:28,573 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE (2/2) [2024-08-27 13:28:28,573 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-27 13:28:28,574 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-27 13:28:28,576 INFO L507 ceAbstractionStarter]: Automizer considered 4 witness invariants [2024-08-27 13:28:28,576 INFO L508 ceAbstractionStarter]: WitnessConsidered=4 [2024-08-27 13:28:28,577 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.08 01:28:28 BasicIcfg [2024-08-27 13:28:28,577 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-27 13:28:28,578 INFO L158 Benchmark]: Toolchain (without parser) took 3793.85ms. Allocated memory was 157.3MB in the beginning and 232.8MB in the end (delta: 75.5MB). Free memory was 85.3MB in the beginning and 166.3MB in the end (delta: -81.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-27 13:28:28,578 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-27 13:28:28,578 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 157.3MB. Free memory is still 87.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-27 13:28:28,579 INFO L158 Benchmark]: CACSL2BoogieTranslator took 550.12ms. Allocated memory is still 157.3MB. Free memory was 85.1MB in the beginning and 118.9MB in the end (delta: -33.8MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2024-08-27 13:28:28,579 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.13ms. Allocated memory is still 157.3MB. Free memory was 118.9MB in the beginning and 116.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-27 13:28:28,579 INFO L158 Benchmark]: Boogie Preprocessor took 33.25ms. Allocated memory is still 157.3MB. Free memory was 116.8MB in the beginning and 115.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-27 13:28:28,580 INFO L158 Benchmark]: RCFGBuilder took 559.05ms. Allocated memory is still 157.3MB. Free memory was 115.5MB in the beginning and 88.8MB in the end (delta: 26.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-08-27 13:28:28,580 INFO L158 Benchmark]: TraceAbstraction took 2591.84ms. Allocated memory was 157.3MB in the beginning and 232.8MB in the end (delta: 75.5MB). Free memory was 88.8MB in the beginning and 166.3MB in the end (delta: -77.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-27 13:28:28,581 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 157.3MB. Free memory is still 87.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 550.12ms. Allocated memory is still 157.3MB. Free memory was 85.1MB in the beginning and 118.9MB in the end (delta: -33.8MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.13ms. Allocated memory is still 157.3MB. Free memory was 118.9MB in the beginning and 116.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.25ms. Allocated memory is still 157.3MB. Free memory was 116.8MB in the beginning and 115.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 559.05ms. Allocated memory is still 157.3MB. Free memory was 115.5MB in the beginning and 88.8MB in the end (delta: 26.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2591.84ms. Allocated memory was 157.3MB in the beginning and 232.8MB in the end (delta: 75.5MB). Free memory was 88.8MB in the beginning and 166.3MB in the end (delta: -77.6MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 752, independent: 696, independent conditional: 136, independent unconditional: 560, dependent: 56, dependent conditional: 41, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 716, independent: 696, independent conditional: 136, independent unconditional: 560, dependent: 20, dependent conditional: 5, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 716, independent: 696, independent conditional: 136, independent unconditional: 560, dependent: 20, dependent conditional: 5, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 723, independent: 696, independent conditional: 0, independent unconditional: 696, dependent: 27, dependent conditional: 7, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 723, independent: 696, independent conditional: 0, independent unconditional: 696, dependent: 27, dependent conditional: 1, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 723, independent: 696, independent conditional: 0, independent unconditional: 696, dependent: 27, dependent conditional: 1, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 577, independent: 561, independent conditional: 0, independent unconditional: 561, dependent: 16, dependent conditional: 1, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 577, independent: 551, independent conditional: 0, independent unconditional: 551, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 26, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 16, dependent conditional: 1, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 26, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 16, dependent conditional: 1, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 118, independent: 66, independent conditional: 0, independent unconditional: 66, dependent: 52, dependent conditional: 3, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 723, independent: 135, independent conditional: 0, independent unconditional: 135, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 577, unknown conditional: 1, unknown unconditional: 576] , Statistics on independence cache: Total cache size (in pairs): 577, Positive cache size: 561, Positive conditional cache size: 0, Positive unconditional cache size: 561, Negative cache size: 16, Negative conditional cache size: 1, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6, Maximal queried relation: 2, Independence queries for same thread: 36 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 80, Number of trivial persistent sets: 42, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 575, independent: 560, independent conditional: 0, independent unconditional: 560, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 752, independent: 696, independent conditional: 136, independent unconditional: 560, dependent: 56, dependent conditional: 41, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 716, independent: 696, independent conditional: 136, independent unconditional: 560, dependent: 20, dependent conditional: 5, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 716, independent: 696, independent conditional: 136, independent unconditional: 560, dependent: 20, dependent conditional: 5, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 723, independent: 696, independent conditional: 0, independent unconditional: 696, dependent: 27, dependent conditional: 7, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 723, independent: 696, independent conditional: 0, independent unconditional: 696, dependent: 27, dependent conditional: 1, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 723, independent: 696, independent conditional: 0, independent unconditional: 696, dependent: 27, dependent conditional: 1, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 577, independent: 561, independent conditional: 0, independent unconditional: 561, dependent: 16, dependent conditional: 1, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 577, independent: 551, independent conditional: 0, independent unconditional: 551, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 26, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 16, dependent conditional: 1, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 26, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 16, dependent conditional: 1, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 118, independent: 66, independent conditional: 0, independent unconditional: 66, dependent: 52, dependent conditional: 3, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 723, independent: 135, independent conditional: 0, independent unconditional: 135, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 577, unknown conditional: 1, unknown unconditional: 576] , Statistics on independence cache: Total cache size (in pairs): 577, Positive cache size: 561, Positive conditional cache size: 0, Positive unconditional cache size: 561, Negative cache size: 16, Negative conditional cache size: 1, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6, Maximal queried relation: 2, Independence queries for same thread: 36 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 715, independent: 652, independent conditional: 158, independent unconditional: 494, dependent: 63, dependent conditional: 47, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 671, independent: 652, independent conditional: 158, independent unconditional: 494, dependent: 19, dependent conditional: 3, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 671, independent: 652, independent conditional: 158, independent unconditional: 494, dependent: 19, dependent conditional: 3, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 678, independent: 652, independent conditional: 1, independent unconditional: 651, dependent: 26, dependent conditional: 6, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 678, independent: 652, independent conditional: 1, independent unconditional: 651, dependent: 26, dependent conditional: 2, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 678, independent: 652, independent conditional: 1, independent unconditional: 651, dependent: 26, dependent conditional: 2, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 514, independent: 496, independent conditional: 1, independent unconditional: 495, dependent: 18, dependent conditional: 2, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 514, independent: 484, independent conditional: 0, independent unconditional: 484, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 30, independent: 12, independent conditional: 1, independent unconditional: 11, dependent: 18, dependent conditional: 2, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, independent: 12, independent conditional: 1, independent unconditional: 11, dependent: 18, dependent conditional: 2, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 102, independent: 52, independent conditional: 3, independent unconditional: 49, dependent: 50, dependent conditional: 3, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 678, independent: 156, independent conditional: 0, independent unconditional: 156, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 514, unknown conditional: 3, unknown unconditional: 511] , Statistics on independence cache: Total cache size (in pairs): 514, Positive cache size: 496, Positive conditional cache size: 1, Positive unconditional cache size: 495, Negative cache size: 18, Negative conditional cache size: 2, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4, Maximal queried relation: 2, Independence queries for same thread: 44 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 96, Number of trivial persistent sets: 96, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 510, independent: 494, independent conditional: 0, independent unconditional: 494, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 715, independent: 652, independent conditional: 158, independent unconditional: 494, dependent: 63, dependent conditional: 47, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 671, independent: 652, independent conditional: 158, independent unconditional: 494, dependent: 19, dependent conditional: 3, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 671, independent: 652, independent conditional: 158, independent unconditional: 494, dependent: 19, dependent conditional: 3, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 678, independent: 652, independent conditional: 1, independent unconditional: 651, dependent: 26, dependent conditional: 6, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 678, independent: 652, independent conditional: 1, independent unconditional: 651, dependent: 26, dependent conditional: 2, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 678, independent: 652, independent conditional: 1, independent unconditional: 651, dependent: 26, dependent conditional: 2, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 514, independent: 496, independent conditional: 1, independent unconditional: 495, dependent: 18, dependent conditional: 2, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 514, independent: 484, independent conditional: 0, independent unconditional: 484, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 30, independent: 12, independent conditional: 1, independent unconditional: 11, dependent: 18, dependent conditional: 2, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, independent: 12, independent conditional: 1, independent unconditional: 11, dependent: 18, dependent conditional: 2, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 102, independent: 52, independent conditional: 3, independent unconditional: 49, dependent: 50, dependent conditional: 3, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 678, independent: 156, independent conditional: 0, independent unconditional: 156, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 514, unknown conditional: 3, unknown unconditional: 511] , Statistics on independence cache: Total cache size (in pairs): 514, Positive cache size: 496, Positive conditional cache size: 1, Positive unconditional cache size: 495, Negative cache size: 18, Negative conditional cache size: 2, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4, Maximal queried relation: 2, Independence queries for same thread: 44 - PositiveResult [Line: 686]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 687]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 690]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 701]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t_funThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 74 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 54 NumberOfCodeBlocks, 54 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 95 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 74 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 21, 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, 0.5s InterpolantComputationTime, 125 NumberOfCodeBlocks, 125 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 119 ConstructedInterpolants, 0 QuantifiedInterpolants, 450 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-08-27 13:28:28,617 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2024-08-27 13:28:28,817 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-08-27 13:28:29,017 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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