./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread/sync01.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/sync01.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2520d7ca Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread/sync01.i ./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/sync01.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-2520d7c-m [2024-07-17 17:51:24,753 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-17 17:51:24,815 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-17 17:51:24,819 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-17 17:51:24,820 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-17 17:51:24,842 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-17 17:51:24,843 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-17 17:51:24,843 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-17 17:51:24,844 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-17 17:51:24,847 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-17 17:51:24,847 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-17 17:51:24,847 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-17 17:51:24,848 INFO L153 SettingsManager]: * Use SBE=true [2024-07-17 17:51:24,849 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-17 17:51:24,849 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-17 17:51:24,850 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-17 17:51:24,850 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-17 17:51:24,850 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-17 17:51:24,850 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-17 17:51:24,850 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-17 17:51:24,851 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-17 17:51:24,851 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-17 17:51:24,851 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-17 17:51:24,851 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-17 17:51:24,852 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-17 17:51:24,852 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-17 17:51:24,852 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-17 17:51:24,853 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-17 17:51:24,853 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-17 17:51:24,853 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-17 17:51:24,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-17 17:51:24,854 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-17 17:51:24,854 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-17 17:51:24,854 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-17 17:51:24,854 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-17 17:51:24,855 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-17 17:51:24,855 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-17 17:51:24,855 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-17 17:51:24,855 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-17 17:51:24,855 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-17 17:51:24,855 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-17 17:51:24,856 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-17 17:51:24,856 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-07-17 17:51:25,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-17 17:51:25,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-17 17:51:25,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-17 17:51:25,079 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-07-17 17:51:25,079 INFO L274 PluginConnector]: Witness Parser initialized [2024-07-17 17:51:25,080 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/sync01.yml/witness.yml [2024-07-17 17:51:25,191 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-17 17:51:25,191 INFO L274 PluginConnector]: CDTParser initialized [2024-07-17 17:51:25,192 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/sync01.i [2024-07-17 17:51:26,157 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-17 17:51:26,362 INFO L384 CDTParser]: Found 1 translation units. [2024-07-17 17:51:26,363 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i [2024-07-17 17:51:26,379 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7692902e0/c34a6479d65a436dae2554941e557b71/FLAGe35dea636 [2024-07-17 17:51:26,389 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7692902e0/c34a6479d65a436dae2554941e557b71 [2024-07-17 17:51:26,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-17 17:51:26,390 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-07-17 17:51:26,399 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-17 17:51:26,399 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-17 17:51:26,403 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-17 17:51:26,404 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.07 05:51:25" (1/2) ... [2024-07-17 17:51:26,404 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e58c24b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 05:51:26, skipping insertion in model container [2024-07-17 17:51:26,405 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.07 05:51:25" (1/2) ... [2024-07-17 17:51:26,407 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@32d078b6 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 05:51:26, skipping insertion in model container [2024-07-17 17:51:26,408 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 05:51:26" (2/2) ... [2024-07-17 17:51:26,408 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e58c24b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:51:26, skipping insertion in model container [2024-07-17 17:51:26,408 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 05:51:26" (2/2) ... [2024-07-17 17:51:26,409 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-07-17 17:51:26,437 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-07-17 17:51:26,438 INFO L97 edCorrectnessWitness]: Location invariant before [L961-L961] (! multithreaded || (0 <= num && num <= 1)) && (! multithreaded || (m_locked || (0 <= num && num <= 1))) [2024-07-17 17:51:26,439 INFO L97 edCorrectnessWitness]: Location invariant before [L962-L962] (! multithreaded || (0 <= num && num <= 1)) && (! multithreaded || (m_locked || (0 <= num && num <= 1))) [2024-07-17 17:51:26,439 INFO L103 edCorrectnessWitness]: ghost_variable m_locked = 0 [2024-07-17 17:51:26,439 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-07-17 17:51:26,439 INFO L106 edCorrectnessWitness]: ghost_update [L939-L939] m_locked = 0; [2024-07-17 17:51:26,439 INFO L106 edCorrectnessWitness]: ghost_update [L949-L949] m_locked = 0; [2024-07-17 17:51:26,439 INFO L106 edCorrectnessWitness]: ghost_update [L937-L937] m_locked = 1; [2024-07-17 17:51:26,440 INFO L106 edCorrectnessWitness]: ghost_update [L937-L937] m_locked = 0; [2024-07-17 17:51:26,440 INFO L106 edCorrectnessWitness]: ghost_update [L947-L947] m_locked = 0; [2024-07-17 17:51:26,440 INFO L106 edCorrectnessWitness]: ghost_update [L947-L947] m_locked = 1; [2024-07-17 17:51:26,440 INFO L106 edCorrectnessWitness]: ghost_update [L935-L935] m_locked = 1; [2024-07-17 17:51:26,440 INFO L106 edCorrectnessWitness]: ghost_update [L960-L960] multithreaded = 1; [2024-07-17 17:51:26,440 INFO L106 edCorrectnessWitness]: ghost_update [L945-L945] m_locked = 1; [2024-07-17 17:51:26,464 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-17 17:51:26,733 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i[42004,42017] [2024-07-17 17:51:26,737 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-17 17:51:26,756 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 [2024-07-17 17:51:26,825 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i[42004,42017] [2024-07-17 17:51:26,830 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-17 17:51:26,886 INFO L206 MainTranslator]: Completed translation [2024-07-17 17:51:26,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:51:26 WrapperNode [2024-07-17 17:51:26,887 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-17 17:51:26,888 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-17 17:51:26,889 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-17 17:51:26,889 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-17 17:51:26,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:51:26" (1/1) ... [2024-07-17 17:51:26,919 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:51:26" (1/1) ... [2024-07-17 17:51:26,940 INFO L138 Inliner]: procedures = 268, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 68 [2024-07-17 17:51:26,941 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-17 17:51:26,942 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-17 17:51:26,943 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-17 17:51:26,943 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-17 17:51:26,950 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:51:26" (1/1) ... [2024-07-17 17:51:26,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:51:26" (1/1) ... [2024-07-17 17:51:26,960 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:51:26" (1/1) ... [2024-07-17 17:51:26,961 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:51:26" (1/1) ... [2024-07-17 17:51:26,969 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:51:26" (1/1) ... [2024-07-17 17:51:26,977 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:51:26" (1/1) ... [2024-07-17 17:51:26,980 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:51:26" (1/1) ... [2024-07-17 17:51:26,985 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:51:26" (1/1) ... [2024-07-17 17:51:26,987 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-17 17:51:26,992 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-17 17:51:26,992 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-17 17:51:26,992 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-17 17:51:26,993 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:51:26" (1/1) ... [2024-07-17 17:51:26,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-17 17:51:27,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 17:51:27,015 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-07-17 17:51:27,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-07-17 17:51:27,045 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-07-17 17:51:27,046 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-07-17 17:51:27,046 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-07-17 17:51:27,046 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-07-17 17:51:27,046 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-07-17 17:51:27,047 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-07-17 17:51:27,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-17 17:51:27,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-17 17:51:27,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-17 17:51:27,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-17 17:51:27,050 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-07-17 17:51:27,187 INFO L244 CfgBuilder]: Building ICFG [2024-07-17 17:51:27,189 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-17 17:51:27,380 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-17 17:51:27,381 INFO L293 CfgBuilder]: Performing block encoding [2024-07-17 17:51:27,508 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-07-17 17:51:27,509 INFO L320 CfgBuilder]: Removed 2 assume(true) statements. [2024-07-17 17:51:27,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 05:51:27 BoogieIcfgContainer [2024-07-17 17:51:27,509 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-07-17 17:51:27,512 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-07-17 17:51:27,512 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-07-17 17:51:27,514 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-07-17 17:51:27,514 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.07 05:51:25" (1/4) ... [2024-07-17 17:51:27,515 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dc48fcf and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 17.07 05:51:27, skipping insertion in model container [2024-07-17 17:51:27,515 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 05:51:26" (2/4) ... [2024-07-17 17:51:27,516 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dc48fcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 05:51:27, skipping insertion in model container [2024-07-17 17:51:27,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:51:26" (3/4) ... [2024-07-17 17:51:27,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dc48fcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 05:51:27, skipping insertion in model container [2024-07-17 17:51:27,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 05:51:27" (4/4) ... [2024-07-17 17:51:27,519 INFO L112 eAbstractionObserver]: Analyzing ICFG sync01.i [2024-07-17 17:51:27,533 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-07-17 17:51:27,533 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-07-17 17:51:27,534 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-07-17 17:51:27,566 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-07-17 17:51:27,600 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-17 17:51:27,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-17 17:51:27,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 17:51:27,602 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-07-17 17:51:27,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-07-17 17:51:27,630 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-17 17:51:27,649 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-07-17 17:51:27,656 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;@35829863, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-17 17:51:27,656 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-07-17 17:51:27,813 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-17 17:51:27,817 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 17:51:27,817 INFO L85 PathProgramCache]: Analyzing trace with hash -58303685, now seen corresponding path program 1 times [2024-07-17 17:51:27,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 17:51:27,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833950055] [2024-07-17 17:51:27,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 17:51:27,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 17:51:27,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 17:51:28,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 17:51:28,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 17:51:28,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833950055] [2024-07-17 17:51:28,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833950055] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 17:51:28,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 17:51:28,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-07-17 17:51:28,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857238229] [2024-07-17 17:51:28,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 17:51:28,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-17 17:51:28,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 17:51:28,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-17 17:51:28,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-17 17:51:28,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 17:51:28,170 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 17:51:28,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-17 17:51:28,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 17:51:28,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 17:51:28,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-07-17 17:51:28,297 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-17 17:51:28,298 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 17:51:28,298 INFO L85 PathProgramCache]: Analyzing trace with hash -2012558767, now seen corresponding path program 1 times [2024-07-17 17:51:28,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 17:51:28,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537637803] [2024-07-17 17:51:28,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 17:51:28,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 17:51:28,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 17:51:28,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-07-17 17:51:28,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 17:51:28,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537637803] [2024-07-17 17:51:28,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537637803] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 17:51:28,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 17:51:28,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-17 17:51:28,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577032516] [2024-07-17 17:51:28,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 17:51:28,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-17 17:51:28,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 17:51:28,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-17 17:51:28,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-17 17:51:28,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 17:51:28,457 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 17:51:28,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-17 17:51:28,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 17:51:28,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 17:51:28,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 17:51:28,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 17:51:28,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-07-17 17:51:28,510 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-17 17:51:28,510 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 17:51:28,510 INFO L85 PathProgramCache]: Analyzing trace with hash 1664416589, now seen corresponding path program 2 times [2024-07-17 17:51:28,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 17:51:28,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068461566] [2024-07-17 17:51:28,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 17:51:28,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 17:51:28,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 17:51:28,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 17:51:28,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 17:51:28,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068461566] [2024-07-17 17:51:28,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068461566] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-17 17:51:28,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [376629891] [2024-07-17 17:51:28,693 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-17 17:51:28,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-17 17:51:28,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 17:51:28,725 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-17 17:51:28,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-07-17 17:51:28,827 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-17 17:51:28,827 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-17 17:51:28,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 6 conjunts are in the unsatisfiable core [2024-07-17 17:51:28,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-17 17:51:28,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 17:51:28,877 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-07-17 17:51:28,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [376629891] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 17:51:28,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-07-17 17:51:28,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [3] total 5 [2024-07-17 17:51:28,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493216357] [2024-07-17 17:51:28,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 17:51:28,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-07-17 17:51:28,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 17:51:28,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-07-17 17:51:28,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-07-17 17:51:28,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 17:51:28,880 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 17:51:28,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-17 17:51:28,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 17:51:28,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 17:51:28,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 17:51:28,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 17:51:28,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 17:51:28,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-17 17:51:28,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 5 remaining) [2024-07-17 17:51:28,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 5 remaining) [2024-07-17 17:51:28,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2024-07-17 17:51:28,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-07-17 17:51:28,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-07-17 17:51:29,004 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-07-17 17:51:29,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-07-17 17:51:29,207 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1] [2024-07-17 17:51:29,209 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-07-17 17:51:29,209 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-07-17 17:51:29,211 INFO L507 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-07-17 17:51:29,211 INFO L508 ceAbstractionStarter]: WitnessConsidered=2 [2024-07-17 17:51:29,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 05:51:29 BasicIcfg [2024-07-17 17:51:29,212 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-07-17 17:51:29,213 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-07-17 17:51:29,213 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-07-17 17:51:29,213 INFO L274 PluginConnector]: Witness Printer initialized [2024-07-17 17:51:29,213 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 05:51:27" (4/5) ... [2024-07-17 17:51:29,215 INFO L137 WitnessPrinter]: Generating witness for correct program [2024-07-17 17:51:29,217 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-07-17 17:51:29,218 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-07-17 17:51:29,231 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2024-07-17 17:51:29,232 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-07-17 17:51:29,232 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-07-17 17:51:29,232 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-07-17 17:51:29,232 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-07-17 17:51:29,273 INFO L149 WitnessManager]: Wrote witness to /storage/repos/sv-benchmarks/c/pthread/sync01.i-witness.graphml [2024-07-17 17:51:29,273 INFO L149 WitnessManager]: Wrote witness to /storage/repos/sv-benchmarks/c/pthread/sync01.i-witness.yml [2024-07-17 17:51:29,273 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-07-17 17:51:29,274 INFO L158 Benchmark]: Toolchain (without parser) took 2883.68ms. Allocated memory was 167.8MB in the beginning and 245.4MB in the end (delta: 77.6MB). Free memory was 93.6MB in the beginning and 170.7MB in the end (delta: -77.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-17 17:51:29,274 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 167.8MB. Free memory is still 125.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-17 17:51:29,274 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 167.8MB. Free memory is still 140.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-17 17:51:29,275 INFO L158 Benchmark]: CACSL2BoogieTranslator took 488.49ms. Allocated memory is still 167.8MB. Free memory was 93.4MB in the beginning and 119.2MB in the end (delta: -25.8MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2024-07-17 17:51:29,275 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.21ms. Allocated memory is still 167.8MB. Free memory was 119.2MB in the beginning and 117.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-17 17:51:29,275 INFO L158 Benchmark]: Boogie Preprocessor took 48.74ms. Allocated memory is still 167.8MB. Free memory was 117.1MB in the beginning and 115.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-17 17:51:29,275 INFO L158 Benchmark]: RCFGBuilder took 517.62ms. Allocated memory is still 167.8MB. Free memory was 115.0MB in the beginning and 82.1MB in the end (delta: 32.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-07-17 17:51:29,276 INFO L158 Benchmark]: TraceAbstraction took 1700.75ms. Allocated memory was 167.8MB in the beginning and 245.4MB in the end (delta: 77.6MB). Free memory was 80.8MB in the beginning and 174.2MB in the end (delta: -93.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-07-17 17:51:29,276 INFO L158 Benchmark]: Witness Printer took 60.72ms. Allocated memory is still 245.4MB. Free memory was 174.2MB in the beginning and 170.7MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-07-17 17:51:29,277 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 0.11ms. Allocated memory is still 167.8MB. Free memory is still 125.1MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.14ms. Allocated memory is still 167.8MB. Free memory is still 140.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 488.49ms. Allocated memory is still 167.8MB. Free memory was 93.4MB in the beginning and 119.2MB in the end (delta: -25.8MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.21ms. Allocated memory is still 167.8MB. Free memory was 119.2MB in the beginning and 117.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.74ms. Allocated memory is still 167.8MB. Free memory was 117.1MB in the beginning and 115.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 517.62ms. Allocated memory is still 167.8MB. Free memory was 115.0MB in the beginning and 82.1MB in the end (delta: 32.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1700.75ms. Allocated memory was 167.8MB in the beginning and 245.4MB in the end (delta: 77.6MB). Free memory was 80.8MB in the beginning and 174.2MB in the end (delta: -93.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 60.72ms. Allocated memory is still 245.4MB. Free memory was 174.2MB in the beginning and 170.7MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 796, independent: 711, independent conditional: 304, independent unconditional: 407, dependent: 85, dependent conditional: 66, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 746, independent: 711, independent conditional: 304, independent unconditional: 407, dependent: 35, dependent conditional: 16, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 746, independent: 711, independent conditional: 304, independent unconditional: 407, dependent: 35, dependent conditional: 16, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 780, independent: 711, independent conditional: 6, independent unconditional: 705, dependent: 69, dependent conditional: 28, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 780, independent: 711, independent conditional: 6, independent unconditional: 705, dependent: 69, dependent conditional: 15, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 780, independent: 711, independent conditional: 6, independent unconditional: 705, dependent: 69, dependent conditional: 15, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 417, independent: 392, independent conditional: 3, independent unconditional: 389, dependent: 25, dependent conditional: 5, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 417, independent: 348, independent conditional: 0, independent unconditional: 348, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 69, independent: 44, independent conditional: 3, independent unconditional: 41, dependent: 25, dependent conditional: 5, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 69, independent: 44, independent conditional: 3, independent unconditional: 41, dependent: 25, dependent conditional: 5, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 180, independent: 125, independent conditional: 11, independent unconditional: 114, dependent: 55, dependent conditional: 8, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 780, independent: 319, independent conditional: 3, independent unconditional: 316, dependent: 44, dependent conditional: 10, dependent unconditional: 34, unknown: 417, unknown conditional: 8, unknown unconditional: 409] , Statistics on independence cache: Total cache size (in pairs): 417, Positive cache size: 392, Positive conditional cache size: 3, Positive unconditional cache size: 389, Negative cache size: 25, Negative conditional cache size: 5, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 13, Maximal queried relation: 3, Independence queries for same thread: 50 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 141, Number of trivial persistent sets: 129, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 426, independent: 407, independent conditional: 0, independent unconditional: 407, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 796, independent: 711, independent conditional: 304, independent unconditional: 407, dependent: 85, dependent conditional: 66, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 746, independent: 711, independent conditional: 304, independent unconditional: 407, dependent: 35, dependent conditional: 16, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 746, independent: 711, independent conditional: 304, independent unconditional: 407, dependent: 35, dependent conditional: 16, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 780, independent: 711, independent conditional: 6, independent unconditional: 705, dependent: 69, dependent conditional: 28, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 780, independent: 711, independent conditional: 6, independent unconditional: 705, dependent: 69, dependent conditional: 15, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 780, independent: 711, independent conditional: 6, independent unconditional: 705, dependent: 69, dependent conditional: 15, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 417, independent: 392, independent conditional: 3, independent unconditional: 389, dependent: 25, dependent conditional: 5, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 417, independent: 348, independent conditional: 0, independent unconditional: 348, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 69, independent: 44, independent conditional: 3, independent unconditional: 41, dependent: 25, dependent conditional: 5, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 69, independent: 44, independent conditional: 3, independent unconditional: 41, dependent: 25, dependent conditional: 5, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 180, independent: 125, independent conditional: 11, independent unconditional: 114, dependent: 55, dependent conditional: 8, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 780, independent: 319, independent conditional: 3, independent unconditional: 316, dependent: 44, dependent conditional: 10, dependent unconditional: 34, unknown: 417, unknown conditional: 8, unknown unconditional: 409] , Statistics on independence cache: Total cache size (in pairs): 417, Positive cache size: 392, Positive conditional cache size: 3, Positive unconditional cache size: 389, Negative cache size: 25, Negative conditional cache size: 5, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 13, Maximal queried relation: 3, Independence queries for same thread: 50 - PositiveResult [Line: 961]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 962]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 966]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 55 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 2, 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: 11, 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, 0.5s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 85 ConstructedInterpolants, 0 QuantifiedInterpolants, 211 SizeOfPredicates, 0 NumberOfNonLiveVariables, 212 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 2/3 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-07-17 17:51:29,297 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-07-17 17:51:29,511 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE