./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.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/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2cc22fce 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/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i ./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.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-2cc22fc-m [2024-07-22 20:33:16,644 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-22 20:33:16,677 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-22 20:33:16,681 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-22 20:33:16,681 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-22 20:33:16,715 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-22 20:33:16,716 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-22 20:33:16,728 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-22 20:33:16,729 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-22 20:33:16,729 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-22 20:33:16,730 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-22 20:33:16,730 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-22 20:33:16,730 INFO L153 SettingsManager]: * Use SBE=true [2024-07-22 20:33:16,731 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-22 20:33:16,731 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-22 20:33:16,731 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-22 20:33:16,732 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-22 20:33:16,732 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-22 20:33:16,732 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-22 20:33:16,732 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-22 20:33:16,733 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-22 20:33:16,733 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-22 20:33:16,733 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-22 20:33:16,734 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-22 20:33:16,734 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-22 20:33:16,734 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-22 20:33:16,734 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-22 20:33:16,735 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-22 20:33:16,735 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-22 20:33:16,735 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-22 20:33:16,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 20:33:16,736 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-22 20:33:16,736 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-22 20:33:16,736 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-22 20:33:16,737 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-22 20:33:16,737 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-22 20:33:16,737 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-22 20:33:16,737 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-22 20:33:16,737 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-22 20:33:16,737 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-22 20:33:16,738 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-22 20:33:16,738 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-22 20:33:16,738 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-07-22 20:33:16,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-22 20:33:16,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-22 20:33:16,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-22 20:33:16,943 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-22 20:33:16,943 INFO L274 PluginConnector]: CDTParser initialized [2024-07-22 20:33:16,944 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2024-07-22 20:33:17,929 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-22 20:33:18,159 INFO L384 CDTParser]: Found 1 translation units. [2024-07-22 20:33:18,159 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2024-07-22 20:33:18,171 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b87bcf258/ecdd48025b734d15a2840ff711990a6c/FLAG6238d69fe [2024-07-22 20:33:18,505 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b87bcf258/ecdd48025b734d15a2840ff711990a6c [2024-07-22 20:33:18,508 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-07-22 20:33:18,509 INFO L274 PluginConnector]: Witness Parser initialized [2024-07-22 20:33:18,510 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.yml/witness.yml [2024-07-22 20:33:18,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-22 20:33:18,627 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-07-22 20:33:18,627 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-22 20:33:18,627 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-22 20:33:18,631 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-22 20:33:18,632 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 08:33:18" (1/2) ... [2024-07-22 20:33:18,633 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@406906d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 08:33:18, skipping insertion in model container [2024-07-22 20:33:18,633 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 08:33:18" (1/2) ... [2024-07-22 20:33:18,634 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3b6d1e38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 08:33:18, skipping insertion in model container [2024-07-22 20:33:18,635 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 08:33:18" (2/2) ... [2024-07-22 20:33:18,635 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@406906d6 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 08:33:18, skipping insertion in model container [2024-07-22 20:33:18,635 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 08:33:18" (2/2) ... [2024-07-22 20:33:18,635 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-07-22 20:33:18,678 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-07-22 20:33:18,679 INFO L97 edCorrectnessWitness]: Location invariant before [L735-L735] ((((! multithreaded || (B_locked || (-999 <= g && -999 <= h))) && (! multithreaded || (A_locked || (-1016 <= h && -999 <= g)))) && (! multithreaded || -968 <= i)) && (! multithreaded || -999 <= g)) && (! multithreaded || -1016 <= h) [2024-07-22 20:33:18,679 INFO L103 edCorrectnessWitness]: ghost_variable C_locked = 0 [2024-07-22 20:33:18,680 INFO L103 edCorrectnessWitness]: ghost_variable A_locked = 0 [2024-07-22 20:33:18,680 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-07-22 20:33:18,680 INFO L103 edCorrectnessWitness]: ghost_variable B_locked = 0 [2024-07-22 20:33:18,680 INFO L106 edCorrectnessWitness]: ghost_update [L725-L725] A_locked = 0; [2024-07-22 20:33:18,681 INFO L106 edCorrectnessWitness]: ghost_update [L744-L744] B_locked = 0; [2024-07-22 20:33:18,681 INFO L106 edCorrectnessWitness]: ghost_update [L715-L715] A_locked = 1; [2024-07-22 20:33:18,681 INFO L106 edCorrectnessWitness]: ghost_update [L740-L740] A_locked = 0; [2024-07-22 20:33:18,682 INFO L106 edCorrectnessWitness]: ghost_update [L743-L743] A_locked = 0; [2024-07-22 20:33:18,682 INFO L106 edCorrectnessWitness]: ghost_update [L745-L745] C_locked = 1; [2024-07-22 20:33:18,682 INFO L106 edCorrectnessWitness]: ghost_update [L736-L736] A_locked = 1; [2024-07-22 20:33:18,682 INFO L106 edCorrectnessWitness]: ghost_update [L726-L726] C_locked = 0; [2024-07-22 20:33:18,682 INFO L106 edCorrectnessWitness]: ghost_update [L714-L714] C_locked = 1; [2024-07-22 20:33:18,682 INFO L106 edCorrectnessWitness]: ghost_update [L741-L741] A_locked = 1; [2024-07-22 20:33:18,682 INFO L106 edCorrectnessWitness]: ghost_update [L747-L747] C_locked = 0; [2024-07-22 20:33:18,682 INFO L106 edCorrectnessWitness]: ghost_update [L721-L721] B_locked = 0; [2024-07-22 20:33:18,683 INFO L106 edCorrectnessWitness]: ghost_update [L734-L734] multithreaded = 1; [2024-07-22 20:33:18,683 INFO L106 edCorrectnessWitness]: ghost_update [L719-L719] B_locked = 1; [2024-07-22 20:33:18,683 INFO L106 edCorrectnessWitness]: ghost_update [L735-L735] B_locked = 1; [2024-07-22 20:33:18,721 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-22 20:33:18,864 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/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i[1120,1133] [2024-07-22 20:33:19,021 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 20:33:19,041 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-07-22 20:33:19,074 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/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i[1120,1133] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-07-22 20:33:19,143 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 20:33:19,171 INFO L206 MainTranslator]: Completed translation [2024-07-22 20:33:19,172 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 08:33:19 WrapperNode [2024-07-22 20:33:19,172 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-22 20:33:19,173 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-22 20:33:19,173 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-22 20:33:19,173 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-22 20:33:19,179 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 08:33:19" (1/1) ... [2024-07-22 20:33:19,204 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 08:33:19" (1/1) ... [2024-07-22 20:33:19,243 INFO L138 Inliner]: procedures = 165, calls = 46, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 183 [2024-07-22 20:33:19,244 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-22 20:33:19,245 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-22 20:33:19,245 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-22 20:33:19,246 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-22 20:33:19,254 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 08:33:19" (1/1) ... [2024-07-22 20:33:19,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 08:33:19" (1/1) ... [2024-07-22 20:33:19,267 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 08:33:19" (1/1) ... [2024-07-22 20:33:19,275 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 08:33:19" (1/1) ... [2024-07-22 20:33:19,280 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 08:33:19" (1/1) ... [2024-07-22 20:33:19,281 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 08:33:19" (1/1) ... [2024-07-22 20:33:19,283 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 08:33:19" (1/1) ... [2024-07-22 20:33:19,290 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 08:33:19" (1/1) ... [2024-07-22 20:33:19,293 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-22 20:33:19,294 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-22 20:33:19,294 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-22 20:33:19,294 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-22 20:33:19,295 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 08:33:19" (1/1) ... [2024-07-22 20:33:19,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 20:33:19,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 20:33:19,340 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) [2024-07-22 20:33:19,342 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 [2024-07-22 20:33:19,385 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-07-22 20:33:19,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-22 20:33:19,387 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-07-22 20:33:19,387 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-07-22 20:33:19,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-22 20:33:19,387 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-07-22 20:33:19,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-22 20:33:19,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-22 20:33:19,389 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-07-22 20:33:19,498 INFO L244 CfgBuilder]: Building ICFG [2024-07-22 20:33:19,500 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-22 20:33:19,742 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-22 20:33:19,742 INFO L293 CfgBuilder]: Performing block encoding [2024-07-22 20:33:19,878 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-07-22 20:33:19,879 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-07-22 20:33:19,879 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 08:33:19 BoogieIcfgContainer [2024-07-22 20:33:19,879 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-07-22 20:33:19,881 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-07-22 20:33:19,881 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-07-22 20:33:19,883 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-07-22 20:33:19,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 08:33:18" (1/4) ... [2024-07-22 20:33:19,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12de6bf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 08:33:19, skipping insertion in model container [2024-07-22 20:33:19,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 08:33:18" (2/4) ... [2024-07-22 20:33:19,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12de6bf9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.07 08:33:19, skipping insertion in model container [2024-07-22 20:33:19,885 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 08:33:19" (3/4) ... [2024-07-22 20:33:19,885 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12de6bf9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.07 08:33:19, skipping insertion in model container [2024-07-22 20:33:19,885 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 08:33:19" (4/4) ... [2024-07-22 20:33:19,886 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2024-07-22 20:33:19,899 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-07-22 20:33:19,899 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-07-22 20:33:19,899 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-07-22 20:33:19,927 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-07-22 20:33:19,961 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 20:33:19,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-22 20:33:19,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 20:33:19,963 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) [2024-07-22 20:33:19,989 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 [2024-07-22 20:33:20,006 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-22 20:33:20,015 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2024-07-22 20:33:20,020 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;@66f7091, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 20:33:20,020 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-07-22 20:33:20,226 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION, t_funErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-22 20:33:20,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:33:20,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1577921117, now seen corresponding path program 1 times [2024-07-22 20:33:20,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:33:20,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376507934] [2024-07-22 20:33:20,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:33:20,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:33:20,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:33:20,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 20:33:20,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:33:20,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376507934] [2024-07-22 20:33:20,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376507934] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 20:33:20,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 20:33:20,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-22 20:33:20,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370402766] [2024-07-22 20:33:20,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 20:33:20,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-07-22 20:33:20,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:33:20,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-07-22 20:33:20,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-07-22 20:33:20,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:33:20,597 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:33:20,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-22 20:33:20,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:33:20,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:33:20,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-07-22 20:33:20,657 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION, t_funErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-22 20:33:20,658 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:33:20,658 INFO L85 PathProgramCache]: Analyzing trace with hash -415003391, now seen corresponding path program 1 times [2024-07-22 20:33:20,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:33:20,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245899779] [2024-07-22 20:33:20,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:33:20,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:33:20,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:33:20,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 20:33:20,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:33:20,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245899779] [2024-07-22 20:33:20,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245899779] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 20:33:20,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 20:33:20,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-07-22 20:33:20,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185898417] [2024-07-22 20:33:20,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 20:33:20,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-07-22 20:33:20,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:33:20,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-07-22 20:33:20,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-07-22 20:33:20,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:33:20,865 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:33:20,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 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) [2024-07-22 20:33:20,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:33:20,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:33:21,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:33:21,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-22 20:33:21,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-07-22 20:33:21,259 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION, t_funErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-22 20:33:21,259 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:33:21,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1376141804, now seen corresponding path program 1 times [2024-07-22 20:33:21,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:33:21,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730179369] [2024-07-22 20:33:21,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:33:21,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:33:21,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:33:21,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 20:33:21,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:33:21,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730179369] [2024-07-22 20:33:21,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730179369] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 20:33:21,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 20:33:21,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-07-22 20:33:21,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797708467] [2024-07-22 20:33:21,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 20:33:21,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-07-22 20:33:21,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:33:21,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-07-22 20:33:21,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-07-22 20:33:21,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:33:21,336 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:33:21,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 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) [2024-07-22 20:33:21,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:33:21,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-22 20:33:21,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:33:21,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:33:21,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-22 20:33:21,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:33:21,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-07-22 20:33:21,421 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION, t_funErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-22 20:33:21,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:33:21,422 INFO L85 PathProgramCache]: Analyzing trace with hash -2101252808, now seen corresponding path program 1 times [2024-07-22 20:33:21,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:33:21,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635001879] [2024-07-22 20:33:21,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:33:21,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:33:21,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:33:21,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 20:33:21,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:33:21,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635001879] [2024-07-22 20:33:21,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635001879] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 20:33:21,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 20:33:21,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-07-22 20:33:21,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941591118] [2024-07-22 20:33:21,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 20:33:21,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-07-22 20:33:21,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:33:21,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-07-22 20:33:21,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-07-22 20:33:21,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:33:21,542 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:33:21,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 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) [2024-07-22 20:33:21,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:33:21,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-22 20:33:21,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:33:21,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:33:21,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:33:21,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-22 20:33:21,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:33:21,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:33:21,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-07-22 20:33:21,611 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION, t_funErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-22 20:33:21,611 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:33:21,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1627896030, now seen corresponding path program 1 times [2024-07-22 20:33:21,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:33:21,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634559411] [2024-07-22 20:33:21,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:33:21,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:33:21,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:33:21,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 20:33:21,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:33:21,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634559411] [2024-07-22 20:33:21,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634559411] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 20:33:21,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 20:33:21,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-07-22 20:33:21,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799608459] [2024-07-22 20:33:21,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 20:33:21,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-07-22 20:33:21,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:33:21,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-07-22 20:33:21,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-07-22 20:33:21,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:33:21,715 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:33:21,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 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) [2024-07-22 20:33:21,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:33:21,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-22 20:33:21,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:33:21,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:33:21,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:33:21,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:33:21,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-22 20:33:21,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:33:21,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:33:21,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:33:21,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-07-22 20:33:21,800 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION, t_funErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-22 20:33:21,800 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:33:21,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1224877899, now seen corresponding path program 1 times [2024-07-22 20:33:21,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:33:21,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024392836] [2024-07-22 20:33:21,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:33:21,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:33:21,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:33:21,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 20:33:21,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:33:21,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024392836] [2024-07-22 20:33:21,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024392836] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 20:33:21,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 20:33:21,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-07-22 20:33:21,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457661061] [2024-07-22 20:33:21,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 20:33:21,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-07-22 20:33:21,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:33:21,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-07-22 20:33:21,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-07-22 20:33:21,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:33:21,880 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:33:21,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 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) [2024-07-22 20:33:21,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:33:21,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-22 20:33:21,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:33:21,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:33:21,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:33:21,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:33:21,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:33:21,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-22 20:33:21,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:33:21,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:33:21,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:33:21,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:33:21,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-07-22 20:33:21,958 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION, t_funErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-22 20:33:21,958 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:33:21,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1659891025, now seen corresponding path program 1 times [2024-07-22 20:33:21,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:33:21,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491886910] [2024-07-22 20:33:21,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:33:21,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:33:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:33:22,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 20:33:22,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:33:22,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491886910] [2024-07-22 20:33:22,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491886910] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 20:33:22,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 20:33:22,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-07-22 20:33:22,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452719674] [2024-07-22 20:33:22,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 20:33:22,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-07-22 20:33:22,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:33:22,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-07-22 20:33:22,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-07-22 20:33:22,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:33:22,048 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:33:22,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 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) [2024-07-22 20:33:22,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:33:22,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-22 20:33:22,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:33:22,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:33:22,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:33:22,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:33:22,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:33:22,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:33:22,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-22 20:33:22,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:33:22,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:33:22,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:33:22,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:33:22,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:33:22,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-07-22 20:33:22,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2024-07-22 20:33:22,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2024-07-22 20:33:22,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-07-22 20:33:22,280 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-07-22 20:33:22,281 INFO L308 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was SAFE,SAFE,SAFE (1/2) [2024-07-22 20:33:22,283 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 20:33:22,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-22 20:33:22,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 20:33:22,284 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-07-22 20:33:22,300 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-22 20:33:22,300 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-07-22 20:33:22,300 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;@66f7091, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 20:33:22,300 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-07-22 20:33:22,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2024-07-22 20:33:22,341 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-22 20:33:22,341 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:33:22,342 INFO L85 PathProgramCache]: Analyzing trace with hash 258752291, now seen corresponding path program 1 times [2024-07-22 20:33:22,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:33:22,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496501307] [2024-07-22 20:33:22,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:33:22,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:33:22,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:33:22,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 20:33:22,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:33:22,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496501307] [2024-07-22 20:33:22,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496501307] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 20:33:22,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 20:33:22,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-07-22 20:33:22,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836220277] [2024-07-22 20:33:22,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 20:33:22,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-22 20:33:22,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:33:22,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-22 20:33:22,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-22 20:33:22,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:33:22,386 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:33:22,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-22 20:33:22,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:33:22,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:33:22,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-07-22 20:33:22,416 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-22 20:33:22,416 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:33:22,416 INFO L85 PathProgramCache]: Analyzing trace with hash 2144287275, now seen corresponding path program 1 times [2024-07-22 20:33:22,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:33:22,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640097824] [2024-07-22 20:33:22,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:33:22,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:33:22,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:33:22,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 20:33:22,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:33:22,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640097824] [2024-07-22 20:33:22,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640097824] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 20:33:22,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 20:33:22,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-22 20:33:22,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947800492] [2024-07-22 20:33:22,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 20:33:22,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-07-22 20:33:22,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:33:22,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-07-22 20:33:22,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-07-22 20:33:22,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:33:22,561 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:33:22,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 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) [2024-07-22 20:33:22,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:33:22,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:33:22,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:33:22,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:33:22,654 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-07-22 20:33:22,654 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-07-22 20:33:22,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-07-22 20:33:22,655 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-07-22 20:33:22,655 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE (2/2) [2024-07-22 20:33:22,656 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-07-22 20:33:22,656 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-07-22 20:33:22,658 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-07-22 20:33:22,658 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-07-22 20:33:22,659 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 08:33:22 BasicIcfg [2024-07-22 20:33:22,659 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-07-22 20:33:22,659 INFO L158 Benchmark]: Toolchain (without parser) took 4033.10ms. Allocated memory was 199.2MB in the beginning and 276.8MB in the end (delta: 77.6MB). Free memory was 124.2MB in the beginning and 209.9MB in the end (delta: -85.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-07-22 20:33:22,660 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-22 20:33:22,660 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 199.2MB. Free memory is still 128.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-22 20:33:22,660 INFO L158 Benchmark]: CACSL2BoogieTranslator took 545.02ms. Allocated memory is still 199.2MB. Free memory was 124.2MB in the beginning and 158.7MB in the end (delta: -34.5MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2024-07-22 20:33:22,660 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.46ms. Allocated memory is still 199.2MB. Free memory was 158.3MB in the beginning and 156.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-22 20:33:22,660 INFO L158 Benchmark]: Boogie Preprocessor took 48.22ms. Allocated memory is still 199.2MB. Free memory was 156.2MB in the beginning and 154.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-22 20:33:22,661 INFO L158 Benchmark]: RCFGBuilder took 585.94ms. Allocated memory is still 199.2MB. Free memory was 154.1MB in the beginning and 100.0MB in the end (delta: 54.1MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2024-07-22 20:33:22,661 INFO L158 Benchmark]: TraceAbstraction took 2778.19ms. Allocated memory was 199.2MB in the beginning and 276.8MB in the end (delta: 77.6MB). Free memory was 98.7MB in the beginning and 209.9MB in the end (delta: -111.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-07-22 20:33:22,662 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 199.2MB. Free memory is still 128.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 545.02ms. Allocated memory is still 199.2MB. Free memory was 124.2MB in the beginning and 158.7MB in the end (delta: -34.5MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.46ms. Allocated memory is still 199.2MB. Free memory was 158.3MB in the beginning and 156.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.22ms. Allocated memory is still 199.2MB. Free memory was 156.2MB in the beginning and 154.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 585.94ms. Allocated memory is still 199.2MB. Free memory was 154.1MB in the beginning and 100.0MB in the end (delta: 54.1MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2778.19ms. Allocated memory was 199.2MB in the beginning and 276.8MB in the end (delta: 77.6MB). Free memory was 98.7MB in the beginning and 209.9MB in the end (delta: -111.1MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1491, independent: 1321, independent conditional: 514, independent unconditional: 807, dependent: 170, dependent conditional: 120, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1421, independent: 1321, independent conditional: 514, independent unconditional: 807, dependent: 100, dependent conditional: 50, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1421, independent: 1321, independent conditional: 514, independent unconditional: 807, dependent: 100, dependent conditional: 50, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1590, independent: 1321, independent conditional: 20, independent unconditional: 1301, dependent: 269, dependent conditional: 149, dependent unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1590, independent: 1321, independent conditional: 20, independent unconditional: 1301, dependent: 269, dependent conditional: 85, dependent unconditional: 184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1590, independent: 1321, independent conditional: 20, independent unconditional: 1301, dependent: 269, dependent conditional: 85, dependent unconditional: 184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 904, independent: 815, independent conditional: 7, independent unconditional: 808, dependent: 89, dependent conditional: 38, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 904, independent: 762, independent conditional: 0, independent unconditional: 762, dependent: 142, dependent conditional: 0, dependent unconditional: 142, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 142, independent: 53, independent conditional: 7, independent unconditional: 46, dependent: 89, dependent conditional: 38, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 142, independent: 53, independent conditional: 7, independent unconditional: 46, dependent: 89, dependent conditional: 38, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 358, independent: 174, independent conditional: 19, independent unconditional: 155, dependent: 185, dependent conditional: 87, dependent unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1590, independent: 506, independent conditional: 13, independent unconditional: 493, dependent: 180, dependent conditional: 47, dependent unconditional: 133, unknown: 904, unknown conditional: 45, unknown unconditional: 859] , Statistics on independence cache: Total cache size (in pairs): 904, Positive cache size: 815, Positive conditional cache size: 7, Positive unconditional cache size: 808, Negative cache size: 89, Negative conditional cache size: 38, Negative unconditional cache size: 51, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 64, Maximal queried relation: 6, Independence queries for same thread: 70 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.4s, Number of persistent set computation: 166, Number of trivial persistent sets: 102, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 857, independent: 807, independent conditional: 0, independent unconditional: 807, dependent: 50, dependent conditional: 0, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1491, independent: 1321, independent conditional: 514, independent unconditional: 807, dependent: 170, dependent conditional: 120, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1421, independent: 1321, independent conditional: 514, independent unconditional: 807, dependent: 100, dependent conditional: 50, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1421, independent: 1321, independent conditional: 514, independent unconditional: 807, dependent: 100, dependent conditional: 50, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1590, independent: 1321, independent conditional: 20, independent unconditional: 1301, dependent: 269, dependent conditional: 149, dependent unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1590, independent: 1321, independent conditional: 20, independent unconditional: 1301, dependent: 269, dependent conditional: 85, dependent unconditional: 184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1590, independent: 1321, independent conditional: 20, independent unconditional: 1301, dependent: 269, dependent conditional: 85, dependent unconditional: 184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 904, independent: 815, independent conditional: 7, independent unconditional: 808, dependent: 89, dependent conditional: 38, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 904, independent: 762, independent conditional: 0, independent unconditional: 762, dependent: 142, dependent conditional: 0, dependent unconditional: 142, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 142, independent: 53, independent conditional: 7, independent unconditional: 46, dependent: 89, dependent conditional: 38, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 142, independent: 53, independent conditional: 7, independent unconditional: 46, dependent: 89, dependent conditional: 38, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 358, independent: 174, independent conditional: 19, independent unconditional: 155, dependent: 185, dependent conditional: 87, dependent unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1590, independent: 506, independent conditional: 13, independent unconditional: 493, dependent: 180, dependent conditional: 47, dependent unconditional: 133, unknown: 904, unknown conditional: 45, unknown unconditional: 859] , Statistics on independence cache: Total cache size (in pairs): 904, Positive cache size: 815, Positive conditional cache size: 7, Positive unconditional cache size: 808, Negative cache size: 89, Negative conditional cache size: 38, Negative unconditional cache size: 51, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 64, Maximal queried relation: 6, Independence queries for same thread: 70 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 668, independent: 646, independent conditional: 68, independent unconditional: 578, dependent: 22, dependent conditional: 11, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 657, independent: 646, independent conditional: 68, independent unconditional: 578, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 657, independent: 646, independent conditional: 68, independent unconditional: 578, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 657, independent: 646, independent conditional: 0, independent unconditional: 646, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 657, independent: 646, independent conditional: 0, independent unconditional: 646, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 657, independent: 646, independent conditional: 0, independent unconditional: 646, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 589, independent: 578, independent conditional: 0, independent unconditional: 578, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 589, independent: 564, independent conditional: 0, independent unconditional: 564, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 25, independent: 14, independent conditional: 0, independent unconditional: 14, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 25, independent: 14, independent conditional: 0, independent unconditional: 14, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 78, independent: 43, independent conditional: 0, independent unconditional: 43, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 657, independent: 68, independent conditional: 0, independent unconditional: 68, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 589, unknown conditional: 0, unknown unconditional: 589] , Statistics on independence cache: Total cache size (in pairs): 589, Positive cache size: 578, Positive conditional cache size: 0, Positive unconditional cache size: 578, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 11 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 60, Number of trivial persistent sets: 60, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 589, independent: 578, independent conditional: 0, independent unconditional: 578, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 668, independent: 646, independent conditional: 68, independent unconditional: 578, dependent: 22, dependent conditional: 11, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 657, independent: 646, independent conditional: 68, independent unconditional: 578, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 657, independent: 646, independent conditional: 68, independent unconditional: 578, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 657, independent: 646, independent conditional: 0, independent unconditional: 646, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 657, independent: 646, independent conditional: 0, independent unconditional: 646, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 657, independent: 646, independent conditional: 0, independent unconditional: 646, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 589, independent: 578, independent conditional: 0, independent unconditional: 578, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 589, independent: 564, independent conditional: 0, independent unconditional: 564, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 25, independent: 14, independent conditional: 0, independent unconditional: 14, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 25, independent: 14, independent conditional: 0, independent unconditional: 14, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 78, independent: 43, independent conditional: 0, independent unconditional: 43, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 657, independent: 68, independent conditional: 0, independent unconditional: 68, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 589, unknown conditional: 0, unknown unconditional: 589] , Statistics on independence cache: Total cache size (in pairs): 589, Positive cache size: 578, Positive conditional cache size: 0, Positive unconditional cache size: 578, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 11 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 735]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t_funThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 82 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.2s, 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: 44, 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, 0.7s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 136 ConstructedInterpolants, 0 QuantifiedInterpolants, 587 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 82 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, 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: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 313 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-07-22 20:33:22,684 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2024-07-22 20:33:22,893 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 [2024-07-22 20:33:23,102 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