./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-08-20_10-08-36.files/mutex-meet-local/13-privatized_67-pthread_cond_wait_unknown_1_neg.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_67-pthread_cond_wait_unknown_1_neg.i ./goblint.2024-08-20_10-08-36.files/mutex-meet-local/13-privatized_67-pthread_cond_wait_unknown_1_neg.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.dk.goblint-eval-da67795-m [2024-08-27 01:15:04,288 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-27 01:15:04,375 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-27 01:15:04,379 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-27 01:15:04,382 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-27 01:15:04,406 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-27 01:15:04,407 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-27 01:15:04,407 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-27 01:15:04,408 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-27 01:15:04,410 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-27 01:15:04,410 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-27 01:15:04,411 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-27 01:15:04,411 INFO L153 SettingsManager]: * Use SBE=true [2024-08-27 01:15:04,411 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-27 01:15:04,412 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-27 01:15:04,414 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-27 01:15:04,414 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-27 01:15:04,414 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-27 01:15:04,415 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-27 01:15:04,415 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-27 01:15:04,415 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-27 01:15:04,418 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-27 01:15:04,418 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-27 01:15:04,420 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-27 01:15:04,420 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-27 01:15:04,420 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-27 01:15:04,420 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-27 01:15:04,421 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-27 01:15:04,421 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-27 01:15:04,422 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-27 01:15:04,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-27 01:15:04,423 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-27 01:15:04,423 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-27 01:15:04,423 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-27 01:15:04,424 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-27 01:15:04,424 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-27 01:15:04,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-27 01:15:04,424 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-27 01:15:04,424 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-27 01:15:04,425 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-27 01:15:04,425 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-27 01:15:04,425 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-27 01:15:04,425 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-08-27 01:15:04,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-27 01:15:04,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-27 01:15:04,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-27 01:15:04,727 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-27 01:15:04,727 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-27 01:15:04,728 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-20_10-08-36.files/mutex-meet-local/13-privatized_67-pthread_cond_wait_unknown_1_neg.yml/witness.yml [2024-08-27 01:15:04,787 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-27 01:15:04,788 INFO L274 PluginConnector]: CDTParser initialized [2024-08-27 01:15:04,788 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2024-08-27 01:15:06,303 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-27 01:15:06,588 INFO L384 CDTParser]: Found 1 translation units. [2024-08-27 01:15:06,591 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2024-08-27 01:15:06,613 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/733c78349/32b53a1a63ba4af1b3043fb18b9703a4/FLAGc21af0552 [2024-08-27 01:15:06,624 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/733c78349/32b53a1a63ba4af1b3043fb18b9703a4 [2024-08-27 01:15:06,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-27 01:15:06,626 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-27 01:15:06,627 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-27 01:15:06,628 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-27 01:15:06,632 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-27 01:15:06,633 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.08 01:15:04" (1/2) ... [2024-08-27 01:15:06,634 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b9e8276 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 01:15:06, skipping insertion in model container [2024-08-27 01:15:06,634 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.08 01:15:04" (1/2) ... [2024-08-27 01:15:06,636 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6410278b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 01:15:06, skipping insertion in model container [2024-08-27 01:15:06,636 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 01:15:06" (2/2) ... [2024-08-27 01:15:06,636 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b9e8276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:15:06, skipping insertion in model container [2024-08-27 01:15:06,636 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 01:15:06" (2/2) ... [2024-08-27 01:15:06,637 INFO L85 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-27 01:15:06,664 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-08-27 01:15:06,665 INFO L1541 ArrayList]: Location invariant before [L1365-L1365] g == 0 || g == 1 [2024-08-27 01:15:06,666 INFO L1541 ArrayList]: Location invariant before [L1356-L1356] g == 0 || g == 1 [2024-08-27 01:15:06,719 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-27 01:15:07,198 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-27 01:15:07,211 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local [2024-08-27 01:15:07,302 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-27 01:15:07,447 INFO L206 MainTranslator]: Completed translation [2024-08-27 01:15:07,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:15:07 WrapperNode [2024-08-27 01:15:07,451 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-27 01:15:07,452 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-27 01:15:07,452 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-27 01:15:07,452 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-27 01:15:07,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:15:07" (1/1) ... [2024-08-27 01:15:07,494 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:15:07" (1/1) ... [2024-08-27 01:15:07,529 INFO L138 Inliner]: procedures = 354, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2024-08-27 01:15:07,530 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-27 01:15:07,530 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-27 01:15:07,531 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-27 01:15:07,531 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-27 01:15:07,539 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:15:07" (1/1) ... [2024-08-27 01:15:07,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:15:07" (1/1) ... [2024-08-27 01:15:07,547 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:15:07" (1/1) ... [2024-08-27 01:15:07,547 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:15:07" (1/1) ... [2024-08-27 01:15:07,563 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:15:07" (1/1) ... [2024-08-27 01:15:07,569 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:15:07" (1/1) ... [2024-08-27 01:15:07,571 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:15:07" (1/1) ... [2024-08-27 01:15:07,576 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:15:07" (1/1) ... [2024-08-27 01:15:07,587 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-27 01:15:07,588 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-27 01:15:07,588 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-27 01:15:07,588 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-27 01:15:07,589 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:15:07" (1/1) ... [2024-08-27 01:15:07,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-27 01:15:07,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 01:15:07,617 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 01:15:07,619 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 01:15:07,667 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2024-08-27 01:15:07,668 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2024-08-27 01:15:07,668 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2024-08-27 01:15:07,668 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2024-08-27 01:15:07,669 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-08-27 01:15:07,669 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-08-27 01:15:07,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-27 01:15:07,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-27 01:15:07,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-27 01:15:07,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-27 01:15:07,671 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 01:15:07,921 INFO L242 CfgBuilder]: Building ICFG [2024-08-27 01:15:07,923 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-27 01:15:08,094 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-27 01:15:08,095 INFO L291 CfgBuilder]: Performing block encoding [2024-08-27 01:15:08,209 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-27 01:15:08,209 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-27 01:15:08,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 01:15:08 BoogieIcfgContainer [2024-08-27 01:15:08,210 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-27 01:15:08,213 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-27 01:15:08,213 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-27 01:15:08,217 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-27 01:15:08,218 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.08 01:15:04" (1/4) ... [2024-08-27 01:15:08,219 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29ec88e6 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.08 01:15:08, skipping insertion in model container [2024-08-27 01:15:08,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 01:15:06" (2/4) ... [2024-08-27 01:15:08,220 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29ec88e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 01:15:08, skipping insertion in model container [2024-08-27 01:15:08,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:15:07" (3/4) ... [2024-08-27 01:15:08,220 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29ec88e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 01:15:08, skipping insertion in model container [2024-08-27 01:15:08,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 01:15:08" (4/4) ... [2024-08-27 01:15:08,222 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2024-08-27 01:15:08,243 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-27 01:15:08,243 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-27 01:15:08,244 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-27 01:15:08,280 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-08-27 01:15:08,325 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-27 01:15:08,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-27 01:15:08,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 01:15:08,328 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 01:15:08,330 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 01:15:08,363 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-27 01:15:08,376 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == f2Thread1of1ForFork1 ======== [2024-08-27 01:15:08,382 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;@23960d72, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-27 01:15:08,383 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-27 01:15:08,492 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting f2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [f2Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-27 01:15:08,498 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 01:15:08,498 INFO L85 PathProgramCache]: Analyzing trace with hash -734446839, now seen corresponding path program 1 times [2024-08-27 01:15:08,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 01:15:08,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776994784] [2024-08-27 01:15:08,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 01:15:08,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 01:15:08,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 01:15:08,979 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 01:15:08,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 01:15:08,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776994784] [2024-08-27 01:15:08,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776994784] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 01:15:08,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 01:15:08,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-27 01:15:08,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969815298] [2024-08-27 01:15:08,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 01:15:08,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-27 01:15:08,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 01:15:09,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-27 01:15:09,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-27 01:15:09,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 01:15:09,019 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 01:15:09,020 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 01:15:09,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 01:15:09,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 01:15:09,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-27 01:15:09,148 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting f2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [f2Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-27 01:15:09,149 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 01:15:09,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1135691749, now seen corresponding path program 1 times [2024-08-27 01:15:09,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 01:15:09,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990837270] [2024-08-27 01:15:09,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 01:15:09,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 01:15:09,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 01:15:09,336 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 01:15:09,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 01:15:09,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990837270] [2024-08-27 01:15:09,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990837270] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 01:15:09,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 01:15:09,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-27 01:15:09,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945905222] [2024-08-27 01:15:09,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 01:15:09,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-27 01:15:09,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 01:15:09,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-27 01:15:09,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-27 01:15:09,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 01:15:09,342 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 01:15:09,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 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) [2024-08-27 01:15:09,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 01:15:09,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 01:15:09,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 01:15:09,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 01:15:09,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-27 01:15:09,404 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting f2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [f2Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-27 01:15:09,405 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 01:15:09,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1380761717, now seen corresponding path program 1 times [2024-08-27 01:15:09,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 01:15:09,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207462222] [2024-08-27 01:15:09,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 01:15:09,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 01:15:09,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 01:15:09,498 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 01:15:09,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 01:15:09,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207462222] [2024-08-27 01:15:09,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207462222] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 01:15:09,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 01:15:09,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-27 01:15:09,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498721094] [2024-08-27 01:15:09,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 01:15:09,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-27 01:15:09,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 01:15:09,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-27 01:15:09,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-27 01:15:09,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 01:15:09,502 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 01:15:09,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 01:15:09,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 01:15:09,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 01:15:09,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 01:15:09,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 01:15:09,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 01:15:09,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 01:15:09,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 1 remaining) [2024-08-27 01:15:09,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-08-27 01:15:09,599 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-08-27 01:15:09,602 INFO L308 ceAbstractionStarter]: Result for error location f2Thread1of1ForFork1 was SAFE (1/3) [2024-08-27 01:15:09,605 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-27 01:15:09,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-27 01:15:09,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 01:15:09,634 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 01:15:09,636 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 01:15:09,639 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-27 01:15:09,640 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-27 01:15:09,641 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;@23960d72, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-27 01:15:09,641 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-27 01:15:09,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2024-08-27 01:15:09,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-08-27 01:15:09,737 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-08-27 01:15:09,741 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE (2/3) [2024-08-27 01:15:09,743 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-27 01:15:09,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-27 01:15:09,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 01:15:09,746 INFO L229 MonitoredProcess]: Starting monitored process 4 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 01:15:09,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2024-08-27 01:15:09,751 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-27 01:15:09,752 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == f1Thread1of1ForFork0 ======== [2024-08-27 01:15:09,753 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;@23960d72, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-27 01:15:09,755 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-27 01:15:09,821 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting f1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [f1Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-27 01:15:09,825 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 01:15:09,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1083031557, now seen corresponding path program 1 times [2024-08-27 01:15:09,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 01:15:09,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376196544] [2024-08-27 01:15:09,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 01:15:09,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 01:15:09,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 01:15:09,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 01:15:09,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 01:15:09,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376196544] [2024-08-27 01:15:09,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376196544] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 01:15:09,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 01:15:09,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-08-27 01:15:09,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158211643] [2024-08-27 01:15:09,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 01:15:09,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-27 01:15:09,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 01:15:09,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-27 01:15:09,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-27 01:15:09,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 01:15:09,890 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 01:15:09,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 01:15:09,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 01:15:09,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 01:15:09,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 1 remaining) [2024-08-27 01:15:09,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-08-27 01:15:09,937 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-27 01:15:09,939 INFO L308 ceAbstractionStarter]: Result for error location f1Thread1of1ForFork0 was SAFE (3/3) [2024-08-27 01:15:09,940 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-27 01:15:09,940 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-27 01:15:09,943 INFO L507 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-08-27 01:15:09,944 INFO L508 ceAbstractionStarter]: WitnessConsidered=2 [2024-08-27 01:15:09,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.08 01:15:09 BasicIcfg [2024-08-27 01:15:09,946 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-27 01:15:09,947 INFO L158 Benchmark]: Toolchain (without parser) took 3321.25ms. Allocated memory was 155.2MB in the beginning and 201.3MB in the end (delta: 46.1MB). Free memory was 96.9MB in the beginning and 143.4MB in the end (delta: -46.5MB). Peak memory consumption was 1.1MB. Max. memory is 16.1GB. [2024-08-27 01:15:09,947 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 155.2MB. Free memory is still 114.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-27 01:15:09,947 INFO L158 Benchmark]: CDTParser took 1.54ms. Allocated memory is still 155.2MB. Free memory is still 112.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-27 01:15:09,948 INFO L158 Benchmark]: CACSL2BoogieTranslator took 823.62ms. Allocated memory is still 155.2MB. Free memory was 96.5MB in the beginning and 107.5MB in the end (delta: -11.0MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2024-08-27 01:15:09,948 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.33ms. Allocated memory is still 155.2MB. Free memory was 107.5MB in the beginning and 104.1MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-27 01:15:09,948 INFO L158 Benchmark]: Boogie Preprocessor took 57.08ms. Allocated memory is still 155.2MB. Free memory was 104.1MB in the beginning and 102.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-27 01:15:09,949 INFO L158 Benchmark]: RCFGBuilder took 621.96ms. Allocated memory is still 155.2MB. Free memory was 102.0MB in the beginning and 70.5MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-08-27 01:15:09,949 INFO L158 Benchmark]: TraceAbstraction took 1733.76ms. Allocated memory was 155.2MB in the beginning and 201.3MB in the end (delta: 46.1MB). Free memory was 69.8MB in the beginning and 143.4MB in the end (delta: -73.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-27 01:15:09,950 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.20ms. Allocated memory is still 155.2MB. Free memory is still 114.5MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 1.54ms. Allocated memory is still 155.2MB. Free memory is still 112.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 823.62ms. Allocated memory is still 155.2MB. Free memory was 96.5MB in the beginning and 107.5MB in the end (delta: -11.0MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.33ms. Allocated memory is still 155.2MB. Free memory was 107.5MB in the beginning and 104.1MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.08ms. Allocated memory is still 155.2MB. Free memory was 104.1MB in the beginning and 102.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 621.96ms. Allocated memory is still 155.2MB. Free memory was 102.0MB in the beginning and 70.5MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1733.76ms. Allocated memory was 155.2MB in the beginning and 201.3MB in the end (delta: 46.1MB). Free memory was 69.8MB in the beginning and 143.4MB in the end (delta: -73.7MB). 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: 539, independent: 520, independent conditional: 226, independent unconditional: 294, dependent: 19, dependent conditional: 6, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 535, independent: 520, independent conditional: 226, independent unconditional: 294, dependent: 15, dependent conditional: 2, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 535, independent: 520, independent conditional: 226, independent unconditional: 294, dependent: 15, dependent conditional: 2, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 537, independent: 520, independent conditional: 0, independent unconditional: 520, dependent: 17, dependent conditional: 2, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 537, independent: 520, independent conditional: 0, independent unconditional: 520, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 537, independent: 520, independent conditional: 0, independent unconditional: 520, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 307, independent: 294, independent conditional: 0, independent unconditional: 294, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 307, independent: 285, independent conditional: 0, independent unconditional: 285, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 22, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 22, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 107, independent: 66, independent conditional: 0, independent unconditional: 66, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 537, independent: 226, independent conditional: 0, independent unconditional: 226, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 307, unknown conditional: 0, unknown unconditional: 307] , Statistics on independence cache: Total cache size (in pairs): 307, Positive cache size: 294, Positive conditional cache size: 0, Positive unconditional cache size: 294, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2, Maximal queried relation: 1, Independence queries for same thread: 4 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 66, Number of trivial persistent sets: 26, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 307, independent: 294, independent conditional: 0, independent unconditional: 294, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 539, independent: 520, independent conditional: 226, independent unconditional: 294, dependent: 19, dependent conditional: 6, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 535, independent: 520, independent conditional: 226, independent unconditional: 294, dependent: 15, dependent conditional: 2, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 535, independent: 520, independent conditional: 226, independent unconditional: 294, dependent: 15, dependent conditional: 2, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 537, independent: 520, independent conditional: 0, independent unconditional: 520, dependent: 17, dependent conditional: 2, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 537, independent: 520, independent conditional: 0, independent unconditional: 520, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 537, independent: 520, independent conditional: 0, independent unconditional: 520, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 307, independent: 294, independent conditional: 0, independent unconditional: 294, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 307, independent: 285, independent conditional: 0, independent unconditional: 285, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 22, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 22, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 107, independent: 66, independent conditional: 0, independent unconditional: 66, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 537, independent: 226, independent conditional: 0, independent unconditional: 226, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 307, unknown conditional: 0, unknown unconditional: 307] , Statistics on independence cache: Total cache size (in pairs): 307, Positive cache size: 294, Positive conditional cache size: 0, Positive unconditional cache size: 294, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2, Maximal queried relation: 1, Independence queries for same thread: 4 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 222, independent: 212, independent conditional: 11, independent unconditional: 201, dependent: 10, dependent conditional: 1, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 221, independent: 212, independent conditional: 11, independent unconditional: 201, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 221, independent: 212, independent conditional: 11, independent unconditional: 201, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 221, independent: 212, independent conditional: 0, independent unconditional: 212, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 221, independent: 212, independent conditional: 0, independent unconditional: 212, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 221, independent: 212, independent conditional: 0, independent unconditional: 212, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 210, independent: 201, independent conditional: 0, independent unconditional: 201, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 210, independent: 197, independent conditional: 0, independent unconditional: 197, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 13, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 13, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 75, independent: 38, independent conditional: 0, independent unconditional: 38, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 221, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 210, unknown conditional: 0, unknown unconditional: 210] , Statistics on independence cache: Total cache size (in pairs): 210, Positive cache size: 201, Positive conditional cache size: 0, Positive unconditional cache size: 201, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 1 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 26, Number of trivial persistent sets: 26, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 210, independent: 201, independent conditional: 0, independent unconditional: 201, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 222, independent: 212, independent conditional: 11, independent unconditional: 201, dependent: 10, dependent conditional: 1, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 221, independent: 212, independent conditional: 11, independent unconditional: 201, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 221, independent: 212, independent conditional: 11, independent unconditional: 201, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 221, independent: 212, independent conditional: 0, independent unconditional: 212, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 221, independent: 212, independent conditional: 0, independent unconditional: 212, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 221, independent: 212, independent conditional: 0, independent unconditional: 212, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 210, independent: 201, independent conditional: 0, independent unconditional: 201, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 210, independent: 197, independent conditional: 0, independent unconditional: 197, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 13, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 13, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 75, independent: 38, independent conditional: 0, independent unconditional: 38, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 221, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 210, unknown conditional: 0, unknown unconditional: 210] , Statistics on independence cache: Total cache size (in pairs): 210, Positive cache size: 201, Positive conditional cache size: 0, Positive unconditional cache size: 201, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 1 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 260, independent: 251, independent conditional: 50, independent unconditional: 201, dependent: 9, dependent conditional: 2, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 258, independent: 251, independent conditional: 50, independent unconditional: 201, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 258, independent: 251, independent conditional: 50, independent unconditional: 201, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 258, independent: 251, independent conditional: 0, independent unconditional: 251, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 258, independent: 251, independent conditional: 0, independent unconditional: 251, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 258, independent: 251, independent conditional: 0, independent unconditional: 251, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 208, independent: 201, independent conditional: 0, independent unconditional: 201, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 208, independent: 196, independent conditional: 0, independent unconditional: 196, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 12, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 12, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 71, independent: 37, independent conditional: 0, independent unconditional: 37, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 258, independent: 50, independent conditional: 0, independent unconditional: 50, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 208, unknown conditional: 0, unknown unconditional: 208] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 201, Positive conditional cache size: 0, Positive unconditional cache size: 201, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 2 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 18, Number of trivial persistent sets: 6, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 208, independent: 201, independent conditional: 0, independent unconditional: 201, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 260, independent: 251, independent conditional: 50, independent unconditional: 201, dependent: 9, dependent conditional: 2, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 258, independent: 251, independent conditional: 50, independent unconditional: 201, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 258, independent: 251, independent conditional: 50, independent unconditional: 201, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 258, independent: 251, independent conditional: 0, independent unconditional: 251, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 258, independent: 251, independent conditional: 0, independent unconditional: 251, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 258, independent: 251, independent conditional: 0, independent unconditional: 251, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 208, independent: 201, independent conditional: 0, independent unconditional: 201, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 208, independent: 196, independent conditional: 0, independent unconditional: 196, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 12, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 12, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 71, independent: 37, independent conditional: 0, independent unconditional: 37, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 258, independent: 50, independent conditional: 0, independent unconditional: 50, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 208, unknown conditional: 0, unknown unconditional: 208] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 201, Positive conditional cache size: 0, Positive unconditional cache size: 201, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 2 - PositiveResult [Line: 1365]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1356]: 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: f2Thread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 53 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.4s, 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: 9, 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, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 86 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 53 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.1s, 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: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: f1Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 53 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, 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: 3, 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, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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! [2024-08-27 01:15:09,984 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Ended with exit code 0 [2024-08-27 01:15:10,182 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2024-08-27 01:15:10,383 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 01:15:10,583 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE