./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread/queue_longer.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/queue_longer.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/pthread/queue_longer.i ./goblint.2024-08-20_10-08-36.files/protection-ghost/queue_longer.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 19:30:49,653 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-26 19:30:49,706 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-26 19:30:49,710 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-26 19:30:49,710 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-26 19:30:49,730 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-26 19:30:49,731 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-26 19:30:49,731 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-26 19:30:49,732 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-26 19:30:49,732 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-26 19:30:49,732 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-26 19:30:49,733 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-26 19:30:49,733 INFO L153 SettingsManager]: * Use SBE=true [2024-08-26 19:30:49,733 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-26 19:30:49,734 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-26 19:30:49,734 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-26 19:30:49,734 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-26 19:30:49,735 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-26 19:30:49,735 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-26 19:30:49,735 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-26 19:30:49,735 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-26 19:30:49,738 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-26 19:30:49,739 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-26 19:30:49,739 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-26 19:30:49,739 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-26 19:30:49,740 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-26 19:30:49,740 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-26 19:30:49,740 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-26 19:30:49,740 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-26 19:30:49,741 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-26 19:30:49,741 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-26 19:30:49,741 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-26 19:30:49,741 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-26 19:30:49,742 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-26 19:30:49,742 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-26 19:30:49,742 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-26 19:30:49,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-26 19:30:49,743 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-26 19:30:49,743 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-26 19:30:49,743 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-26 19:30:49,743 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-26 19:30:49,744 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-26 19:30:49,745 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-08-26 19:30:49,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-26 19:30:49,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-26 19:30:49,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-26 19:30:49,993 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-26 19:30:49,997 INFO L274 PluginConnector]: CDTParser initialized [2024-08-26 19:30:49,998 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/queue_longer.i [2024-08-26 19:30:51,324 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-26 19:30:51,531 INFO L384 CDTParser]: Found 1 translation units. [2024-08-26 19:30:51,531 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longer.i [2024-08-26 19:30:51,547 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/32ae70cd3/2a1985572fe8417ab53d6ffada10d8f6/FLAGa78ac0883 [2024-08-26 19:30:51,563 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/32ae70cd3/2a1985572fe8417ab53d6ffada10d8f6 [2024-08-26 19:30:51,566 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-26 19:30:51,567 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-26 19:30:51,569 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-20_10-08-36.files/protection-ghost/queue_longer.yml/witness.yml [2024-08-26 19:30:51,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-26 19:30:51,638 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-26 19:30:51,639 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-26 19:30:51,639 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-26 19:30:51,647 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-26 19:30:51,647 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 07:30:51" (1/2) ... [2024-08-26 19:30:51,648 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b414af1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:30:51, skipping insertion in model container [2024-08-26 19:30:51,648 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 07:30:51" (1/2) ... [2024-08-26 19:30:51,649 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5ebd018b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:30:51, skipping insertion in model container [2024-08-26 19:30:51,649 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.08 07:30:51" (2/2) ... [2024-08-26 19:30:51,650 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b414af1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 07:30:51, skipping insertion in model container [2024-08-26 19:30:51,650 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.08 07:30:51" (2/2) ... [2024-08-26 19:30:51,650 INFO L85 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-26 19:30:51,701 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-08-26 19:30:51,702 INFO L1541 ArrayList]: Location invariant before [L1063-L1063] ! multithreaded || (((0 <= queue.head && 0 <= queue.tail) && queue.head <= 400) && queue.tail <= 400) [2024-08-26 19:30:51,702 INFO L1541 ArrayList]: Location invariant before [L1064-L1064] ! multithreaded || (((0 <= queue.head && 0 <= queue.tail) && queue.head <= 400) && queue.tail <= 400) [2024-08-26 19:30:51,702 INFO L1541 ArrayList]: ghost_variable m_locked = 0 [2024-08-26 19:30:51,702 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-08-26 19:30:51,702 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-08-26 19:30:51,702 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-08-26 19:30:51,702 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-08-26 19:30:51,702 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-08-26 19:30:51,703 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-08-26 19:30:51,703 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-08-26 19:30:51,703 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-08-26 19:30:51,703 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-08-26 19:30:51,703 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-08-26 19:30:51,703 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-08-26 19:30:51,704 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-08-26 19:30:51,704 INFO L1541 ArrayList]: ghost_update [L1062-L1062] multithreaded = 1; [2024-08-26 19:30:51,705 INFO L1541 ArrayList]: ghost_update [L1017-L1017] m_locked = 0; [2024-08-26 19:30:51,705 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-08-26 19:30:51,705 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-08-26 19:30:51,705 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-08-26 19:30:51,705 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-08-26 19:30:51,705 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-08-26 19:30:51,706 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-08-26 19:30:51,706 INFO L1541 ArrayList]: ghost_update [L1008-L1008] m_locked = 1; [2024-08-26 19:30:51,706 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-08-26 19:30:51,706 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-08-26 19:30:51,706 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-08-26 19:30:51,706 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-08-26 19:30:51,706 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-08-26 19:30:51,753 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-26 19:30:52,073 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-26 19:30:52,082 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-26 19:30:52,417 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-26 19:30:52,476 INFO L206 MainTranslator]: Completed translation [2024-08-26 19:30:52,477 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 07:30:52 WrapperNode [2024-08-26 19:30:52,478 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-26 19:30:52,479 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-26 19:30:52,479 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-26 19:30:52,479 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-26 19:30:52,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 07:30:52" (1/1) ... [2024-08-26 19:30:52,560 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 07:30:52" (1/1) ... [2024-08-26 19:30:52,711 INFO L138 Inliner]: procedures = 274, calls = 3280, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 9933 [2024-08-26 19:30:52,711 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-26 19:30:52,712 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-26 19:30:52,713 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-26 19:30:52,713 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-26 19:30:52,719 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 07:30:52" (1/1) ... [2024-08-26 19:30:52,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 07:30:52" (1/1) ... [2024-08-26 19:30:52,754 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 07:30:52" (1/1) ... [2024-08-26 19:30:52,754 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 07:30:52" (1/1) ... [2024-08-26 19:30:52,917 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 07:30:52" (1/1) ... [2024-08-26 19:30:52,973 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 07:30:52" (1/1) ... [2024-08-26 19:30:52,997 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 07:30:52" (1/1) ... [2024-08-26 19:30:53,012 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 07:30:52" (1/1) ... [2024-08-26 19:30:53,045 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-26 19:30:53,046 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-26 19:30:53,047 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-26 19:30:53,047 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-26 19:30:53,049 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 07:30:52" (1/1) ... [2024-08-26 19:30:53,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-26 19:30:53,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 19:30:53,072 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 19:30:53,073 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 19:30:53,110 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-08-26 19:30:53,110 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-08-26 19:30:53,110 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-08-26 19:30:53,110 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-08-26 19:30:53,110 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-08-26 19:30:53,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-08-26 19:30:53,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-08-26 19:30:53,111 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-08-26 19:30:53,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-26 19:30:53,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-26 19:30:53,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-26 19:30:53,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-26 19:30:53,114 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 19:30:53,576 INFO L242 CfgBuilder]: Building ICFG [2024-08-26 19:30:53,578 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-26 19:30:58,474 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-26 19:30:58,475 INFO L291 CfgBuilder]: Performing block encoding