./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-08-08_07-59-58.files/protection-ghost/13-privatized_19-publish-precision_unknown_1_pos.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7bc0c755 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_19-publish-precision_unknown_1_pos.i ./goblint.2024-08-08_07-59-58.files/protection-ghost/13-privatized_19-publish-precision_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 --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.goblint-validation-atomicfix-7bc0c75-m [2024-08-23 13:01:38,818 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-23 13:01:38,899 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-23 13:01:38,916 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-23 13:01:38,917 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-23 13:01:38,942 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-23 13:01:38,942 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-23 13:01:38,943 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-23 13:01:38,943 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-23 13:01:38,944 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-23 13:01:38,947 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-23 13:01:38,947 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-23 13:01:38,948 INFO L153 SettingsManager]: * Use SBE=true [2024-08-23 13:01:38,949 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-23 13:01:38,950 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-23 13:01:38,951 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-23 13:01:38,951 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-23 13:01:38,951 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-23 13:01:38,952 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-23 13:01:38,952 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-23 13:01:38,955 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-23 13:01:38,956 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-23 13:01:38,956 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-23 13:01:38,956 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-23 13:01:38,957 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-23 13:01:38,957 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-23 13:01:38,957 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-23 13:01:38,958 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-23 13:01:38,958 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-23 13:01:38,958 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-23 13:01:38,958 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-23 13:01:38,958 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-23 13:01:38,959 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-23 13:01:38,959 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-23 13:01:38,959 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-23 13:01:38,960 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-23 13:01:38,960 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-23 13:01:38,960 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-23 13:01:38,961 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-23 13:01:38,961 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-23 13:01:38,962 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-23 13:01:38,962 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-23 13:01:38,963 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-08-23 13:01:39,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-23 13:01:39,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-23 13:01:39,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-23 13:01:39,241 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-23 13:01:39,242 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-23 13:01:39,243 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/protection-ghost/13-privatized_19-publish-precision_unknown_1_pos.yml/witness.yml [2024-08-23 13:01:39,344 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-23 13:01:39,344 INFO L274 PluginConnector]: CDTParser initialized [2024-08-23 13:01:39,345 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i [2024-08-23 13:01:40,818 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-23 13:01:41,061 INFO L384 CDTParser]: Found 1 translation units. [2024-08-23 13:01:41,062 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i [2024-08-23 13:01:41,077 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/850cc5ff4/a7a10e92c3d741dca0a4c291b390f211/FLAG348d2311b [2024-08-23 13:01:41,090 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/850cc5ff4/a7a10e92c3d741dca0a4c291b390f211 [2024-08-23 13:01:41,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-23 13:01:41,092 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-23 13:01:41,094 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-23 13:01:41,095 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-23 13:01:41,099 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-23 13:01:41,100 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 01:01:39" (1/2) ... [2024-08-23 13:01:41,101 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35f36a21 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 01:01:41, skipping insertion in model container [2024-08-23 13:01:41,101 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 01:01:39" (1/2) ... [2024-08-23 13:01:41,102 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4b5042ec and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 01:01:41, skipping insertion in model container [2024-08-23 13:01:41,102 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 01:01:41" (2/2) ... [2024-08-23 13:01:41,103 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35f36a21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 01:01:41, skipping insertion in model container [2024-08-23 13:01:41,103 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 01:01:41" (2/2) ... [2024-08-23 13:01:41,103 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-23 13:01:41,135 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-23 13:01:41,137 INFO L97 edCorrectnessWitness]: Location invariant before [L698-L698] ! multithreaded || (glob1 == 0 || glob1 == 5) [2024-08-23 13:01:41,138 INFO L103 edCorrectnessWitness]: ghost_variable mutex2_locked = 0 [2024-08-23 13:01:41,138 INFO L103 edCorrectnessWitness]: ghost_variable mutex1_locked = 0 [2024-08-23 13:01:41,138 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-23 13:01:41,138 INFO L106 edCorrectnessWitness]: ghost_update [L689-L689] mutex2_locked = 1; [2024-08-23 13:01:41,139 INFO L106 edCorrectnessWitness]: ghost_update [L688-L688] mutex2_locked = 0; [2024-08-23 13:01:41,139 INFO L106 edCorrectnessWitness]: ghost_update [L685-L685] mutex1_locked = 1; [2024-08-23 13:01:41,139 INFO L106 edCorrectnessWitness]: ghost_update [L686-L686] mutex2_locked = 1; [2024-08-23 13:01:41,139 INFO L106 edCorrectnessWitness]: ghost_update [L698-L698] mutex2_locked = 1; [2024-08-23 13:01:41,139 INFO L106 edCorrectnessWitness]: ghost_update [L692-L692] mutex1_locked = 0; [2024-08-23 13:01:41,140 INFO L106 edCorrectnessWitness]: ghost_update [L700-L700] mutex2_locked = 0; [2024-08-23 13:01:41,140 INFO L106 edCorrectnessWitness]: ghost_update [L697-L697] multithreaded = 1; [2024-08-23 13:01:41,140 INFO L106 edCorrectnessWitness]: ghost_update [L691-L691] mutex2_locked = 0; [2024-08-23 13:01:41,182 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-23 13:01:41,335 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i[1103,1116] [2024-08-23 13:01:41,454 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-23 13:01:41,474 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-23 13:01:41,516 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i[1103,1116] 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 [2024-08-23 13:01:41,569 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-23 13:01:41,606 INFO L206 MainTranslator]: Completed translation [2024-08-23 13:01:41,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 01:01:41 WrapperNode [2024-08-23 13:01:41,607 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-23 13:01:41,608 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-23 13:01:41,608 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-23 13:01:41,608 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-23 13:01:41,613 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 01:01:41" (1/1) ... [2024-08-23 13:01:41,625 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 01:01:41" (1/1) ... [2024-08-23 13:01:41,641 INFO L138 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 53 [2024-08-23 13:01:41,641 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-23 13:01:41,642 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-23 13:01:41,642 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-23 13:01:41,642 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-23 13:01:41,649 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 01:01:41" (1/1) ... [2024-08-23 13:01:41,650 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 01:01:41" (1/1) ... [2024-08-23 13:01:41,652 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 01:01:41" (1/1) ... [2024-08-23 13:01:41,653 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 01:01:41" (1/1) ... [2024-08-23 13:01:41,657 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 01:01:41" (1/1) ... [2024-08-23 13:01:41,659 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 01:01:41" (1/1) ... [2024-08-23 13:01:41,661 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 01:01:41" (1/1) ... [2024-08-23 13:01:41,662 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 01:01:41" (1/1) ... [2024-08-23 13:01:41,664 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-23 13:01:41,664 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-23 13:01:41,665 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-23 13:01:41,665 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-23 13:01:41,666 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 01:01:41" (1/1) ... [2024-08-23 13:01:41,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-23 13:01:41,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 13:01:41,695 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) [2024-08-23 13:01:41,697 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 [2024-08-23 13:01:41,724 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-08-23 13:01:41,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-23 13:01:41,724 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-08-23 13:01:41,724 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-08-23 13:01:41,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-23 13:01:41,724 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-08-23 13:01:41,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-23 13:01:41,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-23 13:01:41,726 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-08-23 13:01:41,831 INFO L243 CfgBuilder]: Building ICFG [2024-08-23 13:01:41,833 INFO L269 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-23 13:01:41,995 INFO L288 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-23 13:01:41,996 INFO L292 CfgBuilder]: Performing block encoding [2024-08-23 13:01:42,170 INFO L314 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-23 13:01:42,176 INFO L319 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-23 13:01:42,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 01:01:42 BoogieIcfgContainer [2024-08-23 13:01:42,176 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-23 13:01:42,185 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-23 13:01:42,187 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-23 13:01:42,190 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-23 13:01:42,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 01:01:39" (1/4) ... [2024-08-23 13:01:42,191 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bcb7898 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.08 01:01:42, skipping insertion in model container [2024-08-23 13:01:42,191 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.08 01:01:41" (2/4) ... [2024-08-23 13:01:42,191 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bcb7898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 01:01:42, skipping insertion in model container [2024-08-23 13:01:42,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 01:01:41" (3/4) ... [2024-08-23 13:01:42,192 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bcb7898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 01:01:42, skipping insertion in model container [2024-08-23 13:01:42,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 01:01:42" (4/4) ... [2024-08-23 13:01:42,193 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_pos.i [2024-08-23 13:01:42,214 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-23 13:01:42,215 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-23 13:01:42,215 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-23 13:01:42,256 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-08-23 13:01:42,298 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 13:01:42,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-23 13:01:42,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 13:01:42,302 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) [2024-08-23 13:01:42,303 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 [2024-08-23 13:01:42,337 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-23 13:01:42,348 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-23 13:01:42,353 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;@52d232ad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 13:01:42,353 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-08-23 13:01:42,473 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-23 13:01:42,478 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 13:01:42,478 INFO L85 PathProgramCache]: Analyzing trace with hash -1244739026, now seen corresponding path program 1 times [2024-08-23 13:01:42,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 13:01:42,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329230188] [2024-08-23 13:01:42,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 13:01:42,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 13:01:42,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 13:01:42,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 13:01:42,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 13:01:42,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329230188] [2024-08-23 13:01:42,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329230188] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 13:01:42,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 13:01:42,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-23 13:01:42,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996880394] [2024-08-23 13:01:42,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 13:01:42,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-23 13:01:42,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 13:01:42,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-23 13:01:42,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-23 13:01:42,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:01:42,767 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 13:01:42,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-08-23 13:01:42,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:01:42,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 13:01:42,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-23 13:01:42,813 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-23 13:01:42,813 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 13:01:42,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1078027396, now seen corresponding path program 1 times [2024-08-23 13:01:42,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 13:01:42,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269551718] [2024-08-23 13:01:42,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 13:01:42,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 13:01:42,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 13:01:43,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 13:01:43,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 13:01:43,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269551718] [2024-08-23 13:01:43,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269551718] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 13:01:43,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 13:01:43,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-23 13:01:43,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765054166] [2024-08-23 13:01:43,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 13:01:43,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-23 13:01:43,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 13:01:43,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-23 13:01:43,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-23 13:01:43,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:01:43,029 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 13:01:43,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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) [2024-08-23 13:01:43,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 13:01:43,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:01:43,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 13:01:43,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:01:43,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-23 13:01:43,137 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-23 13:01:43,137 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 13:01:43,138 INFO L85 PathProgramCache]: Analyzing trace with hash -528192531, now seen corresponding path program 1 times [2024-08-23 13:01:43,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 13:01:43,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444129776] [2024-08-23 13:01:43,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 13:01:43,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 13:01:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 13:01:43,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 13:01:43,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 13:01:43,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444129776] [2024-08-23 13:01:43,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444129776] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 13:01:43,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 13:01:43,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-23 13:01:43,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613940303] [2024-08-23 13:01:43,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 13:01:43,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-23 13:01:43,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 13:01:43,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-23 13:01:43,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-23 13:01:43,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:01:43,175 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 13:01:43,175 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) [2024-08-23 13:01:43,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 13:01:43,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:01:43,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:01:43,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 13:01:43,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:01:43,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 13:01:43,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-08-23 13:01:43,255 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-23 13:01:43,255 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 13:01:43,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1109087652, now seen corresponding path program 2 times [2024-08-23 13:01:43,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 13:01:43,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238774761] [2024-08-23 13:01:43,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 13:01:43,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 13:01:43,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 13:01:43,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 13:01:43,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 13:01:43,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238774761] [2024-08-23 13:01:43,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238774761] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 13:01:43,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 13:01:43,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-23 13:01:43,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809501113] [2024-08-23 13:01:43,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 13:01:43,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-23 13:01:43,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 13:01:43,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-23 13:01:43,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-23 13:01:43,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:01:43,402 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 13:01:43,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2024-08-23 13:01:43,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 13:01:43,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:01:43,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 13:01:43,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:01:43,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 13:01:43,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:01:43,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 13:01:43,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 13:01:43,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-08-23 13:01:43,458 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-23 13:01:43,458 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 13:01:43,459 INFO L85 PathProgramCache]: Analyzing trace with hash 645107201, now seen corresponding path program 1 times [2024-08-23 13:01:43,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 13:01:43,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878467993] [2024-08-23 13:01:43,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 13:01:43,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 13:01:43,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-23 13:01:43,482 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-23 13:01:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-23 13:01:43,517 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-08-23 13:01:43,518 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-23 13:01:43,519 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-08-23 13:01:43,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 3 remaining) [2024-08-23 13:01:43,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-08-23 13:01:43,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-08-23 13:01:43,528 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2024-08-23 13:01:43,535 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-23 13:01:43,535 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-23 13:01:43,568 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-08-23 13:01:43,568 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-08-23 13:01:43,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.08 01:01:43 BasicIcfg [2024-08-23 13:01:43,569 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-23 13:01:43,570 INFO L158 Benchmark]: Toolchain (without parser) took 2477.94ms. Allocated memory was 176.2MB in the beginning and 255.9MB in the end (delta: 79.7MB). Free memory was 115.9MB in the beginning and 194.0MB in the end (delta: -78.1MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2024-08-23 13:01:43,570 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 176.2MB. Free memory is still 139.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-23 13:01:43,570 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 176.2MB. Free memory is still 136.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-23 13:01:43,571 INFO L158 Benchmark]: CACSL2BoogieTranslator took 512.38ms. Allocated memory is still 176.2MB. Free memory was 115.4MB in the beginning and 90.2MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-08-23 13:01:43,571 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.57ms. Allocated memory is still 176.2MB. Free memory was 89.7MB in the beginning and 88.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-23 13:01:43,572 INFO L158 Benchmark]: Boogie Preprocessor took 22.12ms. Allocated memory is still 176.2MB. Free memory was 88.1MB in the beginning and 86.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-23 13:01:43,572 INFO L158 Benchmark]: RCFGBuilder took 512.02ms. Allocated memory is still 176.2MB. Free memory was 86.6MB in the beginning and 131.7MB in the end (delta: -45.1MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2024-08-23 13:01:43,572 INFO L158 Benchmark]: TraceAbstraction took 1383.93ms. Allocated memory was 176.2MB in the beginning and 255.9MB in the end (delta: 79.7MB). Free memory was 130.9MB in the beginning and 194.0MB in the end (delta: -63.1MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2024-08-23 13:01:43,574 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 0.18ms. Allocated memory is still 176.2MB. Free memory is still 139.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 176.2MB. Free memory is still 136.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 512.38ms. Allocated memory is still 176.2MB. Free memory was 115.4MB in the beginning and 90.2MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.57ms. Allocated memory is still 176.2MB. Free memory was 89.7MB in the beginning and 88.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.12ms. Allocated memory is still 176.2MB. Free memory was 88.1MB in the beginning and 86.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 512.02ms. Allocated memory is still 176.2MB. Free memory was 86.6MB in the beginning and 131.7MB in the end (delta: -45.1MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1383.93ms. Allocated memory was 176.2MB in the beginning and 255.9MB in the end (delta: 79.7MB). Free memory was 130.9MB in the beginning and 194.0MB in the end (delta: -63.1MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 349, independent: 308, independent conditional: 113, independent unconditional: 195, dependent: 41, dependent conditional: 28, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 328, independent: 308, independent conditional: 113, independent unconditional: 195, dependent: 20, dependent conditional: 7, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 328, independent: 308, independent conditional: 113, independent unconditional: 195, dependent: 20, dependent conditional: 7, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 340, independent: 308, independent conditional: 0, independent unconditional: 308, dependent: 32, dependent conditional: 12, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 340, independent: 308, independent conditional: 0, independent unconditional: 308, dependent: 32, dependent conditional: 1, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 340, independent: 308, independent conditional: 0, independent unconditional: 308, dependent: 32, dependent conditional: 1, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 210, independent: 196, independent conditional: 0, independent unconditional: 196, dependent: 14, dependent conditional: 1, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 210, independent: 188, independent conditional: 0, independent unconditional: 188, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 22, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 14, dependent conditional: 1, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 22, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 14, dependent conditional: 1, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 110, independent: 60, independent conditional: 0, independent unconditional: 60, dependent: 51, dependent conditional: 3, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 340, independent: 112, independent conditional: 0, independent unconditional: 112, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 210, unknown conditional: 1, unknown unconditional: 209] , Statistics on independence cache: Total cache size (in pairs): 210, Positive cache size: 196, Positive conditional cache size: 0, Positive unconditional cache size: 196, Negative cache size: 14, Negative conditional cache size: 1, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 11, Maximal queried relation: 2, Independence queries for same thread: 21 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 47, Number of trivial persistent sets: 47, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 208, independent: 195, independent conditional: 0, independent unconditional: 195, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 349, independent: 308, independent conditional: 113, independent unconditional: 195, dependent: 41, dependent conditional: 28, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 328, independent: 308, independent conditional: 113, independent unconditional: 195, dependent: 20, dependent conditional: 7, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 328, independent: 308, independent conditional: 113, independent unconditional: 195, dependent: 20, dependent conditional: 7, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 340, independent: 308, independent conditional: 0, independent unconditional: 308, dependent: 32, dependent conditional: 12, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 340, independent: 308, independent conditional: 0, independent unconditional: 308, dependent: 32, dependent conditional: 1, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 340, independent: 308, independent conditional: 0, independent unconditional: 308, dependent: 32, dependent conditional: 1, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 210, independent: 196, independent conditional: 0, independent unconditional: 196, dependent: 14, dependent conditional: 1, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 210, independent: 188, independent conditional: 0, independent unconditional: 188, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 22, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 14, dependent conditional: 1, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 22, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 14, dependent conditional: 1, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 110, independent: 60, independent conditional: 0, independent unconditional: 60, dependent: 51, dependent conditional: 3, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 340, independent: 112, independent conditional: 0, independent unconditional: 112, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 210, unknown conditional: 1, unknown unconditional: 209] , Statistics on independence cache: Total cache size (in pairs): 210, Positive cache size: 196, Positive conditional cache size: 0, Positive unconditional cache size: 196, Negative cache size: 14, Negative conditional cache size: 1, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 11, Maximal queried relation: 2, Independence queries for same thread: 21 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1] 0 //@ ghost int mutex2_locked = 0; [L1] 0 //@ ghost int mutex1_locked = 0; [L1] 0 //@ ghost int multithreaded = 0; [L681] 0 int glob1 = 0; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L696] 0 pthread_t id; [L697] 0 //@ ghost multithreaded = 1; VAL [glob1=0, id=-1, mutex1={3:0}, mutex2={4:0}] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [\old(arg)={0:0}, glob1=0, id=-1, mutex1={3:0}, mutex2={4:0}] [L685] 1 //@ ghost mutex1_locked = 1; [L686] 1 //@ ghost mutex2_locked = 1; [L687] 1 glob1 = 5 VAL [\old(arg)={0:0}, arg={0:0}, glob1=5, mutex1={3:0}, mutex2={4:0}] [L688] 1 //@ ghost mutex2_locked = 0; [L698] 0 //@ assert (!multithreaded || ((glob1 == 0) || (glob1 == 5))); VAL [\old(arg)={0:0}, arg={0:0}, glob1=5, id=-1, mutex1={3:0}, mutex2={4:0}] [L698] 0 //@ ghost mutex2_locked = 1; [L699] CALL 0 __VERIFIER_assert(glob1 == 0) [L19] COND TRUE 0 !(cond) VAL [\old(arg)={0:0}, \old(cond)=0, arg={0:0}, cond=0, glob1=5, mutex1={3:0}, mutex2={4:0}] [L19] 0 reach_error() VAL [\old(arg)={0:0}, \old(cond)=0, arg={0:0}, cond=0, glob1=5, mutex1={3:0}, mutex2={4:0}] - UnprovableResult [Line: 698]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 46 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 5, 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: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 71 ConstructedInterpolants, 0 QuantifiedInterpolants, 130 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 RESULT: Ultimate proved your program to be incorrect! [2024-08-23 13:01:43,608 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 [2024-08-23 13:01:43,807 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE