./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe036.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-06-19_11-23-25.files/mutex-meet-rel/safe036.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2520d7ca 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/pthread-wmm/safe036.i ./goblint.2024-06-19_11-23-25.files/mutex-meet-rel/safe036.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 --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-2520d7c-m [2024-07-17 16:10:19,121 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-17 16:10:19,162 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-17 16:10:19,165 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-17 16:10:19,165 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-17 16:10:19,179 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-17 16:10:19,180 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-17 16:10:19,180 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-17 16:10:19,181 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-17 16:10:19,181 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-17 16:10:19,182 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-17 16:10:19,182 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-17 16:10:19,182 INFO L153 SettingsManager]: * Use SBE=true [2024-07-17 16:10:19,183 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-17 16:10:19,183 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-17 16:10:19,183 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-17 16:10:19,184 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-17 16:10:19,184 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-17 16:10:19,184 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-17 16:10:19,185 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-17 16:10:19,185 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-17 16:10:19,185 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-17 16:10:19,186 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-17 16:10:19,186 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-17 16:10:19,186 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-17 16:10:19,187 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-17 16:10:19,187 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-17 16:10:19,187 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-17 16:10:19,188 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-17 16:10:19,188 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-17 16:10:19,188 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-17 16:10:19,188 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-17 16:10:19,189 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-17 16:10:19,189 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-17 16:10:19,189 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-17 16:10:19,190 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-17 16:10:19,190 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-17 16:10:19,190 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-17 16:10:19,190 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-17 16:10:19,191 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-17 16:10:19,191 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-17 16:10:19,191 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-17 16:10:19,191 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-07-17 16:10:19,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-17 16:10:19,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-17 16:10:19,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-17 16:10:19,367 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-17 16:10:19,368 INFO L274 PluginConnector]: CDTParser initialized [2024-07-17 16:10:19,369 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe036.i [2024-07-17 16:10:20,579 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-17 16:10:20,798 INFO L384 CDTParser]: Found 1 translation units. [2024-07-17 16:10:20,802 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe036.i [2024-07-17 16:10:20,816 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/224d2f73b/06ed9b6aff964dddbc86a2e50d00cac5/FLAGf2ace09fe [2024-07-17 16:10:20,829 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/224d2f73b/06ed9b6aff964dddbc86a2e50d00cac5 [2024-07-17 16:10:20,831 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-07-17 16:10:20,832 INFO L274 PluginConnector]: Witness Parser initialized [2024-07-17 16:10:20,832 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-rel/safe036.yml/witness.yml [2024-07-17 16:10:20,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-17 16:10:20,902 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-07-17 16:10:20,904 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-17 16:10:20,905 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-17 16:10:20,908 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-17 16:10:20,909 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 04:10:20" (1/2) ... [2024-07-17 16:10:20,910 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@810eefa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:10:20, skipping insertion in model container [2024-07-17 16:10:20,910 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 04:10:20" (1/2) ... [2024-07-17 16:10:20,911 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5eaa43c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:10:20, skipping insertion in model container [2024-07-17 16:10:20,911 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.07 04:10:20" (2/2) ... [2024-07-17 16:10:20,912 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@810eefa and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 04:10:20, skipping insertion in model container [2024-07-17 16:10:20,913 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.07 04:10:20" (2/2) ... [2024-07-17 16:10:20,913 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-07-17 16:10:20,933 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-07-17 16:10:20,934 INFO L97 edCorrectnessWitness]: Location invariant before [L767-L767] ! multithreaded || (((((((0LL - (long long )__unbuffered_p0_EAX) + (long long )x >= 0LL && (0LL - (long long )__unbuffered_p1_EAX) + (long long )y >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX) + (long long )main$tmp_guard1 >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX) + (long long )x >= 0LL) && (1LL + (long long )__unbuffered_cnt) - (long long )__unbuffered_p1_EAX >= 0LL) && (1LL + (long long )__unbuffered_p0_EAX) - (long long )__unbuffered_p1_EAX >= 0LL) && (2LL - (long long )__unbuffered_p1_EAX) - (long long )y >= 0LL) [2024-07-17 16:10:20,934 INFO L97 edCorrectnessWitness]: Location invariant before [L768-L768] ! multithreaded || (((((((0LL - (long long )__unbuffered_p0_EAX) + (long long )x >= 0LL && (0LL - (long long )__unbuffered_p1_EAX) + (long long )y >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX) + (long long )main$tmp_guard1 >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX) + (long long )x >= 0LL) && (1LL + (long long )__unbuffered_cnt) - (long long )__unbuffered_p1_EAX >= 0LL) && (1LL + (long long )__unbuffered_p0_EAX) - (long long )__unbuffered_p1_EAX >= 0LL) && (2LL - (long long )__unbuffered_p1_EAX) - (long long )y >= 0LL) [2024-07-17 16:10:20,934 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-07-17 16:10:20,935 INFO L106 edCorrectnessWitness]: ghost_update [L765-L765] multithreaded = 1; [2024-07-17 16:10:20,975 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-17 16:10:21,216 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-17 16:10:21,224 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-07-17 16:10:21,324 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-17 16:10:21,359 INFO L206 MainTranslator]: Completed translation [2024-07-17 16:10:21,359 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 04:10:21 WrapperNode [2024-07-17 16:10:21,359 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-17 16:10:21,360 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-17 16:10:21,361 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-17 16:10:21,361 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-17 16:10:21,366 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 17.07 04:10:21" (1/1) ... [2024-07-17 16:10:21,391 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 17.07 04:10:21" (1/1) ... [2024-07-17 16:10:21,415 INFO L138 Inliner]: procedures = 174, calls = 37, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 57 [2024-07-17 16:10:21,416 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-17 16:10:21,416 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-17 16:10:21,416 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-17 16:10:21,417 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-17 16:10:21,423 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 04:10:21" (1/1) ... [2024-07-17 16:10:21,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 04:10:21" (1/1) ... [2024-07-17 16:10:21,429 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 04:10:21" (1/1) ... [2024-07-17 16:10:21,430 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 04:10:21" (1/1) ... [2024-07-17 16:10:21,440 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 04:10:21" (1/1) ... [2024-07-17 16:10:21,444 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 04:10:21" (1/1) ... [2024-07-17 16:10:21,460 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 04:10:21" (1/1) ... [2024-07-17 16:10:21,466 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 04:10:21" (1/1) ... [2024-07-17 16:10:21,468 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-17 16:10:21,469 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-17 16:10:21,470 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-17 16:10:21,470 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-17 16:10:21,471 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 04:10:21" (1/1) ... [2024-07-17 16:10:21,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-17 16:10:21,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 16:10:21,512 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) [2024-07-17 16:10:21,539 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 [2024-07-17 16:10:21,551 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-07-17 16:10:21,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-17 16:10:21,552 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-07-17 16:10:21,553 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-07-17 16:10:21,553 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-07-17 16:10:21,554 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-07-17 16:10:21,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-17 16:10:21,554 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-07-17 16:10:21,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-17 16:10:21,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-17 16:10:21,556 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-07-17 16:10:21,642 INFO L244 CfgBuilder]: Building ICFG [2024-07-17 16:10:21,644 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-17 16:10:21,778 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-17 16:10:21,778 INFO L293 CfgBuilder]: Performing block encoding [2024-07-17 16:10:21,868 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-07-17 16:10:21,888 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-07-17 16:10:21,888 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 04:10:21 BoogieIcfgContainer [2024-07-17 16:10:21,889 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-07-17 16:10:21,891 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-07-17 16:10:21,892 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-07-17 16:10:21,894 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-07-17 16:10:21,895 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 04:10:20" (1/4) ... [2024-07-17 16:10:21,895 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f8e8f86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 04:10:21, skipping insertion in model container [2024-07-17 16:10:21,895 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.07 04:10:20" (2/4) ... [2024-07-17 16:10:21,897 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f8e8f86 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 17.07 04:10:21, skipping insertion in model container [2024-07-17 16:10:21,897 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 04:10:21" (3/4) ... [2024-07-17 16:10:21,898 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f8e8f86 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 17.07 04:10:21, skipping insertion in model container [2024-07-17 16:10:21,898 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 04:10:21" (4/4) ... [2024-07-17 16:10:21,901 INFO L112 eAbstractionObserver]: Analyzing ICFG safe036.i [2024-07-17 16:10:21,929 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-07-17 16:10:21,929 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-07-17 16:10:21,929 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-07-17 16:10:21,968 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-07-17 16:10:21,999 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-17 16:10:22,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-17 16:10:22,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 16:10:22,018 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) [2024-07-17 16:10:22,019 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 [2024-07-17 16:10:22,045 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-17 16:10:22,055 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-07-17 16:10:22,061 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;@5e28e0db, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-17 16:10:22,061 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-07-17 16:10:22,132 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-17 16:10:22,136 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 16:10:22,136 INFO L85 PathProgramCache]: Analyzing trace with hash 191623985, now seen corresponding path program 1 times [2024-07-17 16:10:22,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 16:10:22,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017257192] [2024-07-17 16:10:22,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 16:10:22,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 16:10:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 16:10:22,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 16:10:22,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 16:10:22,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017257192] [2024-07-17 16:10:22,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017257192] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 16:10:22,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 16:10:22,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-07-17 16:10:22,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289108218] [2024-07-17 16:10:22,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 16:10:22,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-17 16:10:22,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 16:10:22,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-17 16:10:22,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-17 16:10:22,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 16:10:22,443 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 16:10:22,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2024-07-17 16:10:22,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 16:10:22,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 16:10:22,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-07-17 16:10:22,484 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-17 16:10:22,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 16:10:22,485 INFO L85 PathProgramCache]: Analyzing trace with hash 844975868, now seen corresponding path program 1 times [2024-07-17 16:10:22,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 16:10:22,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109174666] [2024-07-17 16:10:22,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 16:10:22,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 16:10:22,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 16:10:22,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 16:10:22,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 16:10:22,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109174666] [2024-07-17 16:10:22,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109174666] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 16:10:22,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 16:10:22,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-07-17 16:10:22,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983217409] [2024-07-17 16:10:22,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 16:10:22,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-07-17 16:10:22,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 16:10:22,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-07-17 16:10:22,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-07-17 16:10:22,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 16:10:22,741 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 16:10:22,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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) [2024-07-17 16:10:22,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 16:10:22,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 16:10:22,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 16:10:22,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-17 16:10:22,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-07-17 16:10:22,895 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-17 16:10:22,896 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 16:10:22,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1097137670, now seen corresponding path program 1 times [2024-07-17 16:10:22,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 16:10:22,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345594768] [2024-07-17 16:10:22,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 16:10:22,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 16:10:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 16:10:23,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 16:10:23,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 16:10:23,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345594768] [2024-07-17 16:10:23,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345594768] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 16:10:23,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 16:10:23,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-07-17 16:10:23,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828086146] [2024-07-17 16:10:23,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 16:10:23,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-07-17 16:10:23,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 16:10:23,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-07-17 16:10:23,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-07-17 16:10:23,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 16:10:23,148 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 16:10:23,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-07-17 16:10:23,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 16:10:23,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-17 16:10:23,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 16:10:23,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 16:10:23,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-17 16:10:23,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-17 16:10:23,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-07-17 16:10:23,192 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-17 16:10:23,192 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 16:10:23,192 INFO L85 PathProgramCache]: Analyzing trace with hash 963042903, now seen corresponding path program 1 times [2024-07-17 16:10:23,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 16:10:23,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691459617] [2024-07-17 16:10:23,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 16:10:23,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 16:10:23,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 16:10:23,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 16:10:23,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 16:10:23,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691459617] [2024-07-17 16:10:23,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691459617] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 16:10:23,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 16:10:23,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-07-17 16:10:23,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21843720] [2024-07-17 16:10:23,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 16:10:23,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-07-17 16:10:23,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 16:10:23,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-07-17 16:10:23,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-07-17 16:10:23,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 16:10:23,313 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 16:10:23,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 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) [2024-07-17 16:10:23,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 16:10:23,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-17 16:10:23,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-17 16:10:23,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 16:10:23,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 16:10:23,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-17 16:10:23,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-17 16:10:23,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-17 16:10:23,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-07-17 16:10:23,403 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-17 16:10:23,404 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 16:10:23,404 INFO L85 PathProgramCache]: Analyzing trace with hash 207746004, now seen corresponding path program 1 times [2024-07-17 16:10:23,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 16:10:23,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250247654] [2024-07-17 16:10:23,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 16:10:23,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 16:10:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 16:10:23,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 16:10:23,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 16:10:23,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250247654] [2024-07-17 16:10:23,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250247654] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 16:10:23,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 16:10:23,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-07-17 16:10:23,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574201932] [2024-07-17 16:10:23,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 16:10:23,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-07-17 16:10:23,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 16:10:23,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-07-17 16:10:23,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-07-17 16:10:23,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 16:10:23,551 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 16:10:23,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 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) [2024-07-17 16:10:23,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 16:10:23,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-17 16:10:23,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-17 16:10:23,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-17 16:10:23,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 16:10:23,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 16:10:23,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-17 16:10:23,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-17 16:10:23,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-17 16:10:23,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-17 16:10:23,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-07-17 16:10:23,697 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-17 16:10:23,697 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 16:10:23,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1887964984, now seen corresponding path program 1 times [2024-07-17 16:10:23,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 16:10:23,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343932682] [2024-07-17 16:10:23,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 16:10:23,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 16:10:23,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 16:10:23,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 16:10:23,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 16:10:23,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343932682] [2024-07-17 16:10:23,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343932682] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 16:10:23,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 16:10:23,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-07-17 16:10:23,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002366852] [2024-07-17 16:10:23,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 16:10:23,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-07-17 16:10:23,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 16:10:23,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-07-17 16:10:23,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-07-17 16:10:23,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 16:10:23,805 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 16:10:23,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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) [2024-07-17 16:10:23,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 16:10:23,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-17 16:10:23,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-17 16:10:23,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-17 16:10:23,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-17 16:10:23,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 16:10:23,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 16:10:23,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-17 16:10:23,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-17 16:10:23,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-17 16:10:23,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-17 16:10:23,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-17 16:10:23,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-07-17 16:10:23,895 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-07-17 16:10:23,895 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-07-17 16:10:23,895 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-07-17 16:10:23,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-07-17 16:10:23,899 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-07-17 16:10:23,901 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-07-17 16:10:23,901 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-07-17 16:10:23,903 INFO L507 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-07-17 16:10:23,903 INFO L508 ceAbstractionStarter]: WitnessConsidered=2 [2024-07-17 16:10:23,904 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 04:10:23 BasicIcfg [2024-07-17 16:10:23,904 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-07-17 16:10:23,904 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-07-17 16:10:23,905 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-07-17 16:10:23,905 INFO L274 PluginConnector]: Witness Printer initialized [2024-07-17 16:10:23,905 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 04:10:21" (4/5) ... [2024-07-17 16:10:23,906 INFO L137 WitnessPrinter]: Generating witness for correct program [2024-07-17 16:10:23,909 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-07-17 16:10:23,909 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-07-17 16:10:23,912 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2024-07-17 16:10:23,912 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-07-17 16:10:23,912 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-07-17 16:10:23,912 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-07-17 16:10:23,945 INFO L149 WitnessManager]: Wrote witness to /storage/repos/sv-benchmarks/c/pthread-wmm/safe036.i-witness.graphml [2024-07-17 16:10:23,945 INFO L149 WitnessManager]: Wrote witness to /storage/repos/sv-benchmarks/c/pthread-wmm/safe036.i-witness.yml [2024-07-17 16:10:23,945 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-07-17 16:10:23,946 INFO L158 Benchmark]: Toolchain (without parser) took 3043.98ms. Allocated memory was 153.1MB in the beginning and 195.0MB in the end (delta: 41.9MB). Free memory was 93.7MB in the beginning and 77.3MB in the end (delta: 16.3MB). Peak memory consumption was 59.4MB. Max. memory is 16.1GB. [2024-07-17 16:10:23,946 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 153.1MB. Free memory is still 112.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-17 16:10:23,946 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 153.1MB. Free memory is still 96.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-17 16:10:23,946 INFO L158 Benchmark]: CACSL2BoogieTranslator took 455.04ms. Allocated memory is still 153.1MB. Free memory was 93.4MB in the beginning and 68.4MB in the end (delta: 25.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-07-17 16:10:23,947 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.20ms. Allocated memory is still 153.1MB. Free memory was 68.4MB in the beginning and 66.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-17 16:10:23,947 INFO L158 Benchmark]: Boogie Preprocessor took 51.95ms. Allocated memory is still 153.1MB. Free memory was 66.3MB in the beginning and 123.1MB in the end (delta: -56.8MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2024-07-17 16:10:23,947 INFO L158 Benchmark]: RCFGBuilder took 420.28ms. Allocated memory was 153.1MB in the beginning and 195.0MB in the end (delta: 41.9MB). Free memory was 123.0MB in the beginning and 147.0MB in the end (delta: -24.0MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2024-07-17 16:10:23,947 INFO L158 Benchmark]: TraceAbstraction took 2012.97ms. Allocated memory is still 195.0MB. Free memory was 146.0MB in the beginning and 80.5MB in the end (delta: 65.5MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB. [2024-07-17 16:10:23,948 INFO L158 Benchmark]: Witness Printer took 41.00ms. Allocated memory is still 195.0MB. Free memory was 80.5MB in the beginning and 77.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-17 16:10:23,949 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 153.1MB. Free memory is still 112.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 153.1MB. Free memory is still 96.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 455.04ms. Allocated memory is still 153.1MB. Free memory was 93.4MB in the beginning and 68.4MB in the end (delta: 25.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.20ms. Allocated memory is still 153.1MB. Free memory was 68.4MB in the beginning and 66.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.95ms. Allocated memory is still 153.1MB. Free memory was 66.3MB in the beginning and 123.1MB in the end (delta: -56.8MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * RCFGBuilder took 420.28ms. Allocated memory was 153.1MB in the beginning and 195.0MB in the end (delta: 41.9MB). Free memory was 123.0MB in the beginning and 147.0MB in the end (delta: -24.0MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2012.97ms. Allocated memory is still 195.0MB. Free memory was 146.0MB in the beginning and 80.5MB in the end (delta: 65.5MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB. * Witness Printer took 41.00ms. Allocated memory is still 195.0MB. Free memory was 80.5MB in the beginning and 77.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1504, independent: 1397, independent conditional: 1123, independent unconditional: 274, dependent: 107, dependent conditional: 83, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1495, independent: 1397, independent conditional: 1123, independent unconditional: 274, dependent: 98, dependent conditional: 74, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1495, independent: 1397, independent conditional: 1123, independent unconditional: 274, dependent: 98, dependent conditional: 74, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1707, independent: 1397, independent conditional: 82, independent unconditional: 1315, dependent: 310, dependent conditional: 130, dependent unconditional: 180, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1707, independent: 1397, independent conditional: 82, independent unconditional: 1315, dependent: 310, dependent conditional: 69, dependent unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1707, independent: 1397, independent conditional: 82, independent unconditional: 1315, dependent: 310, dependent conditional: 69, dependent unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 339, independent: 294, independent conditional: 20, independent unconditional: 274, dependent: 45, dependent conditional: 20, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 339, independent: 264, independent conditional: 0, independent unconditional: 264, dependent: 75, dependent conditional: 0, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 75, independent: 30, independent conditional: 20, independent unconditional: 10, dependent: 45, dependent conditional: 20, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 75, independent: 30, independent conditional: 20, independent unconditional: 10, dependent: 45, dependent conditional: 20, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 198, independent: 95, independent conditional: 48, independent unconditional: 47, dependent: 103, dependent conditional: 38, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1707, independent: 1103, independent conditional: 62, independent unconditional: 1041, dependent: 265, dependent conditional: 49, dependent unconditional: 216, unknown: 339, unknown conditional: 40, unknown unconditional: 299] , Statistics on independence cache: Total cache size (in pairs): 339, Positive cache size: 294, Positive conditional cache size: 20, Positive unconditional cache size: 274, Negative cache size: 45, Negative conditional cache size: 20, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 61, Maximal queried relation: 4, Independence queries for same thread: 9 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 94, Number of trivial persistent sets: 63, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 298, independent: 274, independent conditional: 0, independent unconditional: 274, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1504, independent: 1397, independent conditional: 1123, independent unconditional: 274, dependent: 107, dependent conditional: 83, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1495, independent: 1397, independent conditional: 1123, independent unconditional: 274, dependent: 98, dependent conditional: 74, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1495, independent: 1397, independent conditional: 1123, independent unconditional: 274, dependent: 98, dependent conditional: 74, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1707, independent: 1397, independent conditional: 82, independent unconditional: 1315, dependent: 310, dependent conditional: 130, dependent unconditional: 180, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1707, independent: 1397, independent conditional: 82, independent unconditional: 1315, dependent: 310, dependent conditional: 69, dependent unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1707, independent: 1397, independent conditional: 82, independent unconditional: 1315, dependent: 310, dependent conditional: 69, dependent unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 339, independent: 294, independent conditional: 20, independent unconditional: 274, dependent: 45, dependent conditional: 20, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 339, independent: 264, independent conditional: 0, independent unconditional: 264, dependent: 75, dependent conditional: 0, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 75, independent: 30, independent conditional: 20, independent unconditional: 10, dependent: 45, dependent conditional: 20, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 75, independent: 30, independent conditional: 20, independent unconditional: 10, dependent: 45, dependent conditional: 20, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 198, independent: 95, independent conditional: 48, independent unconditional: 47, dependent: 103, dependent conditional: 38, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1707, independent: 1103, independent conditional: 62, independent unconditional: 1041, dependent: 265, dependent conditional: 49, dependent unconditional: 216, unknown: 339, unknown conditional: 40, unknown unconditional: 299] , Statistics on independence cache: Total cache size (in pairs): 339, Positive cache size: 294, Positive conditional cache size: 20, Positive unconditional cache size: 274, Negative cache size: 45, Negative conditional cache size: 20, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 61, Maximal queried relation: 4, Independence queries for same thread: 9 - PositiveResult [Line: 767]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 768]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 50 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 1, 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: 34, 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, 1.0s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 904 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-07-17 16:10:23,980 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 [2024-07-17 16:10:24,180 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