./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.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/protection-ghost/13-privatized_67-pthread_cond_wait_unknown_1_pos.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_pos.i ./goblint.2024-08-20_10-08-36.files/protection-ghost/13-privatized_67-pthread_cond_wait_unknown_1_pos.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 [2024-08-26 21:22:10,284 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-26 21:22:10,374 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-26 21:22:10,378 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-26 21:22:10,379 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-26 21:22:10,412 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-26 21:22:10,413 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-26 21:22:10,414 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-26 21:22:10,414 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-26 21:22:10,415 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-26 21:22:10,416 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-26 21:22:10,416 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-26 21:22:10,417 INFO L153 SettingsManager]: * Use SBE=true [2024-08-26 21:22:10,417 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-26 21:22:10,419 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-26 21:22:10,419 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-26 21:22:10,419 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-26 21:22:10,419 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-26 21:22:10,420 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-26 21:22:10,420 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-26 21:22:10,420 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-26 21:22:10,424 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-26 21:22:10,424 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-26 21:22:10,424 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-26 21:22:10,425 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-26 21:22:10,425 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-26 21:22:10,425 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-26 21:22:10,425 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-26 21:22:10,425 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-26 21:22:10,426 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-26 21:22:10,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-26 21:22:10,426 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-26 21:22:10,426 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-26 21:22:10,426 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-26 21:22:10,427 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-26 21:22:10,427 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-26 21:22:10,427 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-26 21:22:10,428 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-26 21:22:10,428 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-26 21:22:10,429 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-26 21:22:10,429 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-26 21:22:10,430 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-26 21:22:10,430 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-08-26 21:22:10,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-26 21:22:10,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-26 21:22:10,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-26 21:22:10,708 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-26 21:22:10,709 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-26 21:22:10,710 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-20_10-08-36.files/protection-ghost/13-privatized_67-pthread_cond_wait_unknown_1_pos.yml/witness.yml [2024-08-26 21:22:10,808 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-26 21:22:10,808 INFO L274 PluginConnector]: CDTParser initialized [2024-08-26 21:22:10,810 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2024-08-26 21:22:12,217 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-26 21:22:12,503 INFO L384 CDTParser]: Found 1 translation units. [2024-08-26 21:22:12,504 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2024-08-26 21:22:12,534 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/64530ce20/736d1107010a458990802e043c9ea8f6/FLAG687edd7c3 [2024-08-26 21:22:12,551 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/64530ce20/736d1107010a458990802e043c9ea8f6 [2024-08-26 21:22:12,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-26 21:22:12,553 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-26 21:22:12,556 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-26 21:22:12,557 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-26 21:22:12,562 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-26 21:22:12,562 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.08 09:22:10" (1/2) ... [2024-08-26 21:22:12,563 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a0ea6c4 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 09:22:12, skipping insertion in model container [2024-08-26 21:22:12,563 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.08 09:22:10" (1/2) ... [2024-08-26 21:22:12,566 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@68d9401e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 09:22:12, skipping insertion in model container [2024-08-26 21:22:12,566 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 09:22:12" (2/2) ... [2024-08-26 21:22:12,566 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a0ea6c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:22:12, skipping insertion in model container [2024-08-26 21:22:12,566 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 09:22:12" (2/2) ... [2024-08-26 21:22:12,566 INFO L85 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-26 21:22:12,618 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-08-26 21:22:12,619 INFO L1541 ArrayList]: Location invariant before [L1376-L1376] ! multithreaded || (g == 0 || g == 1) [2024-08-26 21:22:12,619 INFO L1541 ArrayList]: Location invariant before [L1378-L1378] ! multithreaded || (g == 0 || g == 1) [2024-08-26 21:22:12,619 INFO L1541 ArrayList]: ghost_variable mut_locked = 0 [2024-08-26 21:22:12,620 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-08-26 21:22:12,620 INFO L1541 ArrayList]: ghost_update [L1360-L1360] mut_locked = 0; [2024-08-26 21:22:12,620 INFO L1541 ArrayList]: ghost_update [L1368-L1368] mut_locked = 0; [2024-08-26 21:22:12,620 INFO L1541 ArrayList]: ghost_update [L1364-L1364] mut_locked = 1; [2024-08-26 21:22:12,620 INFO L1541 ArrayList]: ghost_update [L1375-L1375] multithreaded = 1; [2024-08-26 21:22:12,620 INFO L1541 ArrayList]: ghost_update [L1355-L1355] mut_locked = 1; [2024-08-26 21:22:12,620 INFO L1541 ArrayList]: ghost_update [L1357-L1357] mut_locked = 0; [2024-08-26 21:22:12,621 INFO L1541 ArrayList]: ghost_update [L1357-L1357] mut_locked = 1; [2024-08-26 21:22:12,704 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-26 21:22:13,161 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-26 21:22:13,175 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-26 21:22:13,254 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-26 21:22:13,312 INFO L206 MainTranslator]: Completed translation [2024-08-26 21:22:13,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:22:13 WrapperNode [2024-08-26 21:22:13,313 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-26 21:22:13,314 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-26 21:22:13,314 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-26 21:22:13,314 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-26 21:22:13,321 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:22:13" (1/1) ... [2024-08-26 21:22:13,341 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:22:13" (1/1) ... [2024-08-26 21:22:13,378 INFO L138 Inliner]: procedures = 354, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2024-08-26 21:22:13,379 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-26 21:22:13,380 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-26 21:22:13,380 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-26 21:22:13,380 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-26 21:22:13,387 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:22:13" (1/1) ... [2024-08-26 21:22:13,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:22:13" (1/1) ... [2024-08-26 21:22:13,393 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:22:13" (1/1) ... [2024-08-26 21:22:13,393 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:22:13" (1/1) ... [2024-08-26 21:22:13,403 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:22:13" (1/1) ... [2024-08-26 21:22:13,404 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:22:13" (1/1) ... [2024-08-26 21:22:13,411 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:22:13" (1/1) ... [2024-08-26 21:22:13,415 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:22:13" (1/1) ... [2024-08-26 21:22:13,420 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-26 21:22:13,421 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-26 21:22:13,421 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-26 21:22:13,421 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-26 21:22:13,422 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:22:13" (1/1) ... [2024-08-26 21:22:13,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-26 21:22:13,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 21:22:13,459 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) [2024-08-26 21:22:13,463 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 [2024-08-26 21:22:13,506 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2024-08-26 21:22:13,506 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2024-08-26 21:22:13,507 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2024-08-26 21:22:13,507 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2024-08-26 21:22:13,507 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-08-26 21:22:13,507 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-08-26 21:22:13,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-26 21:22:13,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-26 21:22:13,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-26 21:22:13,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-26 21:22:13,509 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-08-26 21:22:13,743 INFO L242 CfgBuilder]: Building ICFG [2024-08-26 21:22:13,745 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-26 21:22:13,904 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-26 21:22:13,904 INFO L291 CfgBuilder]: Performing block encoding [2024-08-26 21:22:14,010 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-26 21:22:14,011 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-26 21:22:14,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 09:22:14 BoogieIcfgContainer [2024-08-26 21:22:14,011 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-26 21:22:14,014 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-26 21:22:14,015 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-26 21:22:14,018 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-26 21:22:14,018 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.08 09:22:10" (1/4) ... [2024-08-26 21:22:14,019 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b760d41 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 26.08 09:22:14, skipping insertion in model container [2024-08-26 21:22:14,019 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 09:22:12" (2/4) ... [2024-08-26 21:22:14,019 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b760d41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 09:22:14, skipping insertion in model container [2024-08-26 21:22:14,020 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:22:13" (3/4) ... [2024-08-26 21:22:14,020 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b760d41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 09:22:14, skipping insertion in model container [2024-08-26 21:22:14,021 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 09:22:14" (4/4) ... [2024-08-26 21:22:14,022 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2024-08-26 21:22:14,040 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-26 21:22:14,040 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-26 21:22:14,041 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-26 21:22:14,105 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-08-26 21:22:14,154 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-26 21:22:14,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-26 21:22:14,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 21:22:14,156 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) [2024-08-26 21:22:14,158 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 [2024-08-26 21:22:14,189 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-26 21:22:14,199 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-26 21:22:14,206 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;@23946cdc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-26 21:22:14,207 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-08-26 21:22:14,313 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)] === [2024-08-26 21:22:14,317 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 21:22:14,318 INFO L85 PathProgramCache]: Analyzing trace with hash -370115147, now seen corresponding path program 1 times [2024-08-26 21:22:14,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 21:22:14,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377514683] [2024-08-26 21:22:14,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 21:22:14,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 21:22:14,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 21:22:14,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-26 21:22:14,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 21:22:14,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377514683] [2024-08-26 21:22:14,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377514683] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 21:22:14,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 21:22:14,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-26 21:22:14,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938996495] [2024-08-26 21:22:14,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 21:22:14,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-26 21:22:14,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 21:22:14,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-26 21:22:14,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-26 21:22:14,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 21:22:14,771 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 21:22:14,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-08-26 21:22:14,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 21:22:14,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 21:22:14,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-26 21:22:14,906 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-26 21:22:14,906 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 21:22:14,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1947146146, now seen corresponding path program 1 times [2024-08-26 21:22:14,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 21:22:14,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179451660] [2024-08-26 21:22:14,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 21:22:14,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 21:22:14,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 21:22:14,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-26 21:22:14,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 21:22:14,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179451660] [2024-08-26 21:22:14,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179451660] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 21:22:14,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 21:22:14,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-26 21:22:14,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296598978] [2024-08-26 21:22:14,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 21:22:14,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-26 21:22:14,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 21:22:14,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-26 21:22:14,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-26 21:22:14,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 21:22:14,997 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 21:22:14,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-08-26 21:22:14,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-26 21:22:14,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 21:22:15,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 21:22:15,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 21:22:15,201 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-08-26 21:22:15,203 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-08-26 21:22:15,203 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-08-26 21:22:15,204 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-08-26 21:22:15,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-26 21:22:15,209 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-08-26 21:22:15,214 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-26 21:22:15,214 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-26 21:22:15,217 INFO L507 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-08-26 21:22:15,217 INFO L508 ceAbstractionStarter]: WitnessConsidered=2 [2024-08-26 21:22:15,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 09:22:15 BasicIcfg [2024-08-26 21:22:15,218 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-26 21:22:15,218 INFO L158 Benchmark]: Toolchain (without parser) took 2665.83ms. Allocated memory is still 163.6MB. Free memory was 90.0MB in the beginning and 124.5MB in the end (delta: -34.5MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. [2024-08-26 21:22:15,219 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 77.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-26 21:22:15,219 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 163.6MB. Free memory is still 137.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-26 21:22:15,219 INFO L158 Benchmark]: CACSL2BoogieTranslator took 756.69ms. Allocated memory is still 163.6MB. Free memory was 89.8MB in the beginning and 92.6MB in the end (delta: -2.9MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2024-08-26 21:22:15,220 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.79ms. Allocated memory is still 163.6MB. Free memory was 92.6MB in the beginning and 90.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-26 21:22:15,221 INFO L158 Benchmark]: Boogie Preprocessor took 40.34ms. Allocated memory is still 163.6MB. Free memory was 90.2MB in the beginning and 87.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-08-26 21:22:15,221 INFO L158 Benchmark]: RCFGBuilder took 590.54ms. Allocated memory is still 163.6MB. Free memory was 87.3MB in the beginning and 54.6MB in the end (delta: 32.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-08-26 21:22:15,222 INFO L158 Benchmark]: TraceAbstraction took 1203.48ms. Allocated memory is still 163.6MB. Free memory was 53.8MB in the beginning and 124.5MB in the end (delta: -70.7MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2024-08-26 21:22:15,224 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 0.17ms. Allocated memory is still 113.2MB. Free memory is still 77.1MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.20ms. Allocated memory is still 163.6MB. Free memory is still 137.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 756.69ms. Allocated memory is still 163.6MB. Free memory was 89.8MB in the beginning and 92.6MB in the end (delta: -2.9MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.79ms. Allocated memory is still 163.6MB. Free memory was 92.6MB in the beginning and 90.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.34ms. Allocated memory is still 163.6MB. Free memory was 90.2MB in the beginning and 87.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 590.54ms. Allocated memory is still 163.6MB. Free memory was 87.3MB in the beginning and 54.6MB in the end (delta: 32.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1203.48ms. Allocated memory is still 163.6MB. Free memory was 53.8MB in the beginning and 124.5MB in the end (delta: -70.7MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 631, independent: 587, independent conditional: 243, independent unconditional: 344, dependent: 44, dependent conditional: 22, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 617, independent: 587, independent conditional: 243, independent unconditional: 344, dependent: 30, dependent conditional: 8, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 617, independent: 587, independent conditional: 243, independent unconditional: 344, dependent: 30, dependent conditional: 8, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 625, independent: 587, independent conditional: 0, independent unconditional: 587, dependent: 38, dependent conditional: 8, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 625, independent: 587, independent conditional: 0, independent unconditional: 587, dependent: 38, dependent conditional: 1, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 625, independent: 587, independent conditional: 0, independent unconditional: 587, dependent: 38, dependent conditional: 1, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 369, independent: 346, independent conditional: 0, independent unconditional: 346, dependent: 23, dependent conditional: 1, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 369, independent: 325, independent conditional: 0, independent unconditional: 325, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 44, independent: 21, independent conditional: 0, independent unconditional: 21, dependent: 23, dependent conditional: 1, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, independent: 21, independent conditional: 0, independent unconditional: 21, dependent: 23, dependent conditional: 1, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 134, independent: 80, independent conditional: 0, independent unconditional: 80, dependent: 54, dependent conditional: 3, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 625, independent: 241, independent conditional: 0, independent unconditional: 241, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 369, unknown conditional: 1, unknown unconditional: 368] , Statistics on independence cache: Total cache size (in pairs): 369, Positive cache size: 346, Positive conditional cache size: 0, Positive unconditional cache size: 346, Negative cache size: 23, Negative conditional cache size: 1, Negative unconditional cache size: 22, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7, Maximal queried relation: 1, Independence queries for same thread: 14 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 147, Number of trivial persistent sets: 147, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 366, independent: 344, independent conditional: 0, independent unconditional: 344, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 631, independent: 587, independent conditional: 243, independent unconditional: 344, dependent: 44, dependent conditional: 22, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 617, independent: 587, independent conditional: 243, independent unconditional: 344, dependent: 30, dependent conditional: 8, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 617, independent: 587, independent conditional: 243, independent unconditional: 344, dependent: 30, dependent conditional: 8, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 625, independent: 587, independent conditional: 0, independent unconditional: 587, dependent: 38, dependent conditional: 8, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 625, independent: 587, independent conditional: 0, independent unconditional: 587, dependent: 38, dependent conditional: 1, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 625, independent: 587, independent conditional: 0, independent unconditional: 587, dependent: 38, dependent conditional: 1, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 369, independent: 346, independent conditional: 0, independent unconditional: 346, dependent: 23, dependent conditional: 1, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 369, independent: 325, independent conditional: 0, independent unconditional: 325, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 44, independent: 21, independent conditional: 0, independent unconditional: 21, dependent: 23, dependent conditional: 1, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, independent: 21, independent conditional: 0, independent unconditional: 21, dependent: 23, dependent conditional: 1, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 134, independent: 80, independent conditional: 0, independent unconditional: 80, dependent: 54, dependent conditional: 3, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 625, independent: 241, independent conditional: 0, independent unconditional: 241, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 369, unknown conditional: 1, unknown unconditional: 368] , Statistics on independence cache: Total cache size (in pairs): 369, Positive cache size: 346, Positive conditional cache size: 0, Positive unconditional cache size: 346, Negative cache size: 23, Negative conditional cache size: 1, Negative unconditional cache size: 22, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7, Maximal queried relation: 1, Independence queries for same thread: 14 - PositiveResult [Line: 1376]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1378]: 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, 47 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, 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: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 37 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-08-26 21:22:15,253 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 [2024-08-26 21:22:15,451 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