./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-08-08_07-59-58.files/protection-ghost/36-apron_21-traces-cluster-based_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c091e2ee 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_21-traces-cluster-based_true.i ./goblint.2024-08-08_07-59-58.files/protection-ghost/36-apron_21-traces-cluster-based_true.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-c091e2e-m [2024-08-14 08:35:32,427 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 08:35:32,500 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-14 08:35:32,505 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 08:35:32,506 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 08:35:32,532 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 08:35:32,533 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 08:35:32,534 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 08:35:32,534 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 08:35:32,535 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 08:35:32,535 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 08:35:32,535 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 08:35:32,536 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 08:35:32,536 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 08:35:32,537 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 08:35:32,537 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 08:35:32,537 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 08:35:32,538 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 08:35:32,538 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 08:35:32,538 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 08:35:32,539 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 08:35:32,539 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 08:35:32,540 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 08:35:32,540 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 08:35:32,540 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 08:35:32,540 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 08:35:32,541 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 08:35:32,541 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 08:35:32,541 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 08:35:32,542 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 08:35:32,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 08:35:32,542 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 08:35:32,542 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 08:35:32,543 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 08:35:32,543 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 08:35:32,545 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-14 08:35:32,546 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 08:35:32,546 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 08:35:32,547 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-14 08:35:32,547 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 08:35:32,547 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-14 08:35:32,547 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-14 08:35:32,547 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-08-14 08:35:32,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 08:35:32,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 08:35:32,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 08:35:32,863 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 08:35:32,863 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 08:35:32,865 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i [2024-08-14 08:35:34,308 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 08:35:34,558 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 08:35:34,559 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i [2024-08-14 08:35:34,576 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8e4cdc831/3763516803a04e5689b71a9d602008a3/FLAG9355b8cc7 [2024-08-14 08:35:34,887 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8e4cdc831/3763516803a04e5689b71a9d602008a3 [2024-08-14 08:35:34,889 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 08:35:34,889 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 08:35:34,890 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/protection-ghost/36-apron_21-traces-cluster-based_true.yml/witness.yml [2024-08-14 08:35:35,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 08:35:35,025 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-14 08:35:35,025 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 08:35:35,026 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 08:35:35,031 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 08:35:35,032 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:35:34" (1/2) ... [2024-08-14 08:35:35,033 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b812b5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:35:35, skipping insertion in model container [2024-08-14 08:35:35,033 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:35:34" (1/2) ... [2024-08-14 08:35:35,035 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@488c3690 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:35:35, skipping insertion in model container [2024-08-14 08:35:35,036 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 08:35:35" (2/2) ... [2024-08-14 08:35:35,036 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b812b5a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 08:35:35, skipping insertion in model container [2024-08-14 08:35:35,036 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 08:35:35" (2/2) ... [2024-08-14 08:35:35,037 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-14 08:35:35,093 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-14 08:35:35,094 INFO L97 edCorrectnessWitness]: Location invariant before [L729-L729] (! multithreaded || -1016 <= h) && (! multithreaded || -999 <= g) [2024-08-14 08:35:35,094 INFO L97 edCorrectnessWitness]: Location invariant before [L728-L728] (! multithreaded || -1016 <= h) && (! multithreaded || -999 <= g) [2024-08-14 08:35:35,095 INFO L97 edCorrectnessWitness]: Location invariant before [L730-L730] (! multithreaded || -1016 <= h) && (! multithreaded || -999 <= g) [2024-08-14 08:35:35,095 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-14 08:35:35,095 INFO L103 edCorrectnessWitness]: ghost_variable B_locked = 0 [2024-08-14 08:35:35,095 INFO L103 edCorrectnessWitness]: ghost_variable A_locked = 0 [2024-08-14 08:35:35,095 INFO L106 edCorrectnessWitness]: ghost_update [L718-L718] A_locked = 0; [2024-08-14 08:35:35,095 INFO L106 edCorrectnessWitness]: ghost_update [L696-L696] A_locked = 0; [2024-08-14 08:35:35,095 INFO L106 edCorrectnessWitness]: ghost_update [L697-L697] B_locked = 0; [2024-08-14 08:35:35,095 INFO L106 edCorrectnessWitness]: ghost_update [L736-L736] A_locked = 0; [2024-08-14 08:35:35,096 INFO L106 edCorrectnessWitness]: ghost_update [L730-L730] A_locked = 1; [2024-08-14 08:35:35,096 INFO L106 edCorrectnessWitness]: ghost_update [L715-L715] A_locked = 1; [2024-08-14 08:35:35,096 INFO L106 edCorrectnessWitness]: ghost_update [L727-L727] multithreaded = 1; [2024-08-14 08:35:35,096 INFO L106 edCorrectnessWitness]: ghost_update [L690-L690] A_locked = 1; [2024-08-14 08:35:35,096 INFO L106 edCorrectnessWitness]: ghost_update [L719-L719] B_locked = 0; [2024-08-14 08:35:35,096 INFO L106 edCorrectnessWitness]: ghost_update [L733-L733] B_locked = 1; [2024-08-14 08:35:35,096 INFO L106 edCorrectnessWitness]: ghost_update [L689-L689] B_locked = 1; [2024-08-14 08:35:35,096 INFO L106 edCorrectnessWitness]: ghost_update [L707-L707] A_locked = 0; [2024-08-14 08:35:35,096 INFO L106 edCorrectnessWitness]: ghost_update [L694-L694] A_locked = 1; [2024-08-14 08:35:35,096 INFO L106 edCorrectnessWitness]: ghost_update [L735-L735] B_locked = 0; [2024-08-14 08:35:35,097 INFO L106 edCorrectnessWitness]: ghost_update [L704-L704] A_locked = 1; [2024-08-14 08:35:35,097 INFO L106 edCorrectnessWitness]: ghost_update [L693-L693] A_locked = 0; [2024-08-14 08:35:35,097 INFO L106 edCorrectnessWitness]: ghost_update [L714-L714] B_locked = 1; [2024-08-14 08:35:35,166 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-14 08:35:35,563 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 08:35:35,577 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-14 08:35:35,682 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 08:35:35,715 INFO L206 MainTranslator]: Completed translation [2024-08-14 08:35:35,715 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 08:35:35 WrapperNode [2024-08-14 08:35:35,716 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 08:35:35,717 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-14 08:35:35,717 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-14 08:35:35,717 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-14 08:35:35,725 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 14.08 08:35:35" (1/1) ... [2024-08-14 08:35:35,737 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 14.08 08:35:35" (1/1) ... [2024-08-14 08:35:35,757 INFO L138 Inliner]: procedures = 165, calls = 42, calls flagged for inlining = 7, calls inlined = 10, statements flattened = 163 [2024-08-14 08:35:35,757 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-14 08:35:35,758 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 08:35:35,758 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 08:35:35,758 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 08:35:35,769 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 08:35:35" (1/1) ... [2024-08-14 08:35:35,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 08:35:35" (1/1) ... [2024-08-14 08:35:35,772 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 08:35:35" (1/1) ... [2024-08-14 08:35:35,772 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 08:35:35" (1/1) ... [2024-08-14 08:35:35,778 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 08:35:35" (1/1) ... [2024-08-14 08:35:35,780 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 08:35:35" (1/1) ... [2024-08-14 08:35:35,782 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 08:35:35" (1/1) ... [2024-08-14 08:35:35,783 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 08:35:35" (1/1) ... [2024-08-14 08:35:35,786 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 08:35:35,787 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-14 08:35:35,787 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-14 08:35:35,787 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-14 08:35:35,788 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 08:35:35" (1/1) ... [2024-08-14 08:35:35,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 08:35:35,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 08:35:35,828 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-08-14 08:35:35,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-08-14 08:35:35,866 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-08-14 08:35:35,866 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-08-14 08:35:35,866 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-08-14 08:35:35,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 08:35:35,867 INFO L130 BoogieDeclarations]: Found specification of procedure t3_fun [2024-08-14 08:35:35,867 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_fun [2024-08-14 08:35:35,867 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-08-14 08:35:35,867 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-08-14 08:35:35,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-14 08:35:35,867 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-08-14 08:35:35,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 08:35:35,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 08:35:35,869 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-08-14 08:35:35,990 INFO L244 CfgBuilder]: Building ICFG [2024-08-14 08:35:35,991 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 08:35:36,256 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-08-14 08:35:36,256 INFO L293 CfgBuilder]: Performing block encoding [2024-08-14 08:35:36,460 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 08:35:36,461 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 08:35:36,461 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:35:36 BoogieIcfgContainer [2024-08-14 08:35:36,462 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-14 08:35:36,463 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 08:35:36,464 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 08:35:36,467 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 08:35:36,468 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 08:35:34" (1/4) ... [2024-08-14 08:35:36,468 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55499e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 08:35:36, skipping insertion in model container [2024-08-14 08:35:36,468 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 08:35:35" (2/4) ... [2024-08-14 08:35:36,469 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55499e1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.08 08:35:36, skipping insertion in model container [2024-08-14 08:35:36,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 08:35:35" (3/4) ... [2024-08-14 08:35:36,469 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55499e1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.08 08:35:36, skipping insertion in model container [2024-08-14 08:35:36,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:35:36" (4/4) ... [2024-08-14 08:35:36,472 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_21-traces-cluster-based_true.i [2024-08-14 08:35:36,491 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 08:35:36,491 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-08-14 08:35:36,491 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-14 08:35:36,580 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-08-14 08:35:36,623 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 08:35:36,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-14 08:35:36,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 08:35:36,627 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-14 08:35:36,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-08-14 08:35:36,658 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-14 08:35:36,672 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-14 08:35:36,677 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;@7c271048, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 08:35:36,678 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-08-14 08:35:36,926 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-08-14 08:35:36,931 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 08:35:36,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1140305532, now seen corresponding path program 1 times [2024-08-14 08:35:36,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 08:35:36,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630795353] [2024-08-14 08:35:36,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 08:35:36,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 08:35:37,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 08:35:37,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:35:37,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 08:35:37,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630795353] [2024-08-14 08:35:37,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630795353] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 08:35:37,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 08:35:37,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-14 08:35:37,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111368025] [2024-08-14 08:35:37,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 08:35:37,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-14 08:35:37,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 08:35:37,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-14 08:35:37,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-08-14 08:35:37,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 08:35:37,456 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 08:35:37,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-14 08:35:37,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 08:35:38,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 08:35:38,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-14 08:35:38,047 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-08-14 08:35:38,048 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 08:35:38,048 INFO L85 PathProgramCache]: Analyzing trace with hash 460340525, now seen corresponding path program 1 times [2024-08-14 08:35:38,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 08:35:38,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279131875] [2024-08-14 08:35:38,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 08:35:38,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 08:35:38,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 08:35:38,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:35:38,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 08:35:38,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279131875] [2024-08-14 08:35:38,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279131875] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 08:35:38,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 08:35:38,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-14 08:35:38,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873150579] [2024-08-14 08:35:38,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 08:35:38,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-14 08:35:38,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 08:35:38,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-14 08:35:38,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-14 08:35:38,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 08:35:38,168 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 08:35:38,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 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) [2024-08-14 08:35:38,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 08:35:38,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 08:35:38,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 08:35:38,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 08:35:38,868 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 6 remaining) [2024-08-14 08:35:38,868 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 6 remaining) [2024-08-14 08:35:38,868 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 6 remaining) [2024-08-14 08:35:38,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-08-14 08:35:38,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-08-14 08:35:38,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2024-08-14 08:35:38,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-14 08:35:38,878 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-08-14 08:35:38,883 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-14 08:35:38,884 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 08:35:38,886 INFO L507 ceAbstractionStarter]: Automizer considered 3 witness invariants [2024-08-14 08:35:38,888 INFO L508 ceAbstractionStarter]: WitnessConsidered=3 [2024-08-14 08:35:38,889 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 08:35:38 BasicIcfg [2024-08-14 08:35:38,889 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 08:35:38,889 INFO L158 Benchmark]: Toolchain (without parser) took 3864.93ms. Allocated memory was 157.3MB in the beginning and 207.6MB in the end (delta: 50.3MB). Free memory was 77.0MB in the beginning and 154.7MB in the end (delta: -77.7MB). Peak memory consumption was 70.5MB. Max. memory is 16.1GB. [2024-08-14 08:35:38,890 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 157.3MB. Free memory is still 128.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 08:35:38,890 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 157.3MB. Free memory was 81.7MB in the beginning and 81.4MB in the end (delta: 251.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 08:35:38,890 INFO L158 Benchmark]: CACSL2BoogieTranslator took 690.56ms. Allocated memory is still 157.3MB. Free memory was 76.8MB in the beginning and 107.6MB in the end (delta: -30.8MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2024-08-14 08:35:38,891 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.56ms. Allocated memory is still 157.3MB. Free memory was 107.6MB in the beginning and 104.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 08:35:38,891 INFO L158 Benchmark]: Boogie Preprocessor took 28.44ms. Allocated memory is still 157.3MB. Free memory was 104.9MB in the beginning and 103.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 08:35:38,891 INFO L158 Benchmark]: RCFGBuilder took 674.75ms. Allocated memory is still 157.3MB. Free memory was 103.4MB in the beginning and 55.9MB in the end (delta: 47.5MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-08-14 08:35:38,892 INFO L158 Benchmark]: TraceAbstraction took 2425.51ms. Allocated memory was 157.3MB in the beginning and 207.6MB in the end (delta: 50.3MB). Free memory was 55.1MB in the beginning and 154.7MB in the end (delta: -99.5MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. [2024-08-14 08:35:38,893 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 157.3MB. Free memory is still 128.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 157.3MB. Free memory was 81.7MB in the beginning and 81.4MB in the end (delta: 251.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 690.56ms. Allocated memory is still 157.3MB. Free memory was 76.8MB in the beginning and 107.6MB in the end (delta: -30.8MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.56ms. Allocated memory is still 157.3MB. Free memory was 107.6MB in the beginning and 104.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.44ms. Allocated memory is still 157.3MB. Free memory was 104.9MB in the beginning and 103.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 674.75ms. Allocated memory is still 157.3MB. Free memory was 103.4MB in the beginning and 55.9MB in the end (delta: 47.5MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2425.51ms. Allocated memory was 157.3MB in the beginning and 207.6MB in the end (delta: 50.3MB). Free memory was 55.1MB in the beginning and 154.7MB in the end (delta: -99.5MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 15476, independent: 14795, independent conditional: 13439, independent unconditional: 1356, dependent: 681, dependent conditional: 603, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15303, independent: 14795, independent conditional: 13439, independent unconditional: 1356, dependent: 508, dependent conditional: 430, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 15303, independent: 14795, independent conditional: 13439, independent unconditional: 1356, dependent: 508, dependent conditional: 430, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16086, independent: 14795, independent conditional: 15, independent unconditional: 14780, dependent: 1291, dependent conditional: 768, dependent unconditional: 523, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 16086, independent: 14795, independent conditional: 15, independent unconditional: 14780, dependent: 1291, dependent conditional: 99, dependent unconditional: 1192, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 16086, independent: 14795, independent conditional: 15, independent unconditional: 14780, dependent: 1291, dependent conditional: 99, dependent unconditional: 1192, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1460, independent: 1361, independent conditional: 5, independent unconditional: 1356, dependent: 99, dependent conditional: 17, dependent unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1460, independent: 1298, independent conditional: 0, independent unconditional: 1298, dependent: 162, dependent conditional: 0, dependent unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 162, independent: 63, independent conditional: 5, independent unconditional: 58, dependent: 99, dependent conditional: 17, dependent unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 162, independent: 63, independent conditional: 5, independent unconditional: 58, dependent: 99, dependent conditional: 17, dependent unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 479, independent: 213, independent conditional: 19, independent unconditional: 194, dependent: 266, dependent conditional: 42, dependent unconditional: 224, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 16086, independent: 13434, independent conditional: 10, independent unconditional: 13424, dependent: 1192, dependent conditional: 82, dependent unconditional: 1110, unknown: 1460, unknown conditional: 22, unknown unconditional: 1438] , Statistics on independence cache: Total cache size (in pairs): 1460, Positive cache size: 1361, Positive conditional cache size: 5, Positive unconditional cache size: 1356, Negative cache size: 99, Negative conditional cache size: 17, Negative unconditional cache size: 82, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 669, Maximal queried relation: 2, Independence queries for same thread: 173 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.6s, Number of persistent set computation: 2259, Number of trivial persistent sets: 2259, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1434, independent: 1356, independent conditional: 0, independent unconditional: 1356, dependent: 78, dependent conditional: 0, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 15476, independent: 14795, independent conditional: 13439, independent unconditional: 1356, dependent: 681, dependent conditional: 603, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15303, independent: 14795, independent conditional: 13439, independent unconditional: 1356, dependent: 508, dependent conditional: 430, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 15303, independent: 14795, independent conditional: 13439, independent unconditional: 1356, dependent: 508, dependent conditional: 430, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16086, independent: 14795, independent conditional: 15, independent unconditional: 14780, dependent: 1291, dependent conditional: 768, dependent unconditional: 523, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 16086, independent: 14795, independent conditional: 15, independent unconditional: 14780, dependent: 1291, dependent conditional: 99, dependent unconditional: 1192, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 16086, independent: 14795, independent conditional: 15, independent unconditional: 14780, dependent: 1291, dependent conditional: 99, dependent unconditional: 1192, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1460, independent: 1361, independent conditional: 5, independent unconditional: 1356, dependent: 99, dependent conditional: 17, dependent unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1460, independent: 1298, independent conditional: 0, independent unconditional: 1298, dependent: 162, dependent conditional: 0, dependent unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 162, independent: 63, independent conditional: 5, independent unconditional: 58, dependent: 99, dependent conditional: 17, dependent unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 162, independent: 63, independent conditional: 5, independent unconditional: 58, dependent: 99, dependent conditional: 17, dependent unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 479, independent: 213, independent conditional: 19, independent unconditional: 194, dependent: 266, dependent conditional: 42, dependent unconditional: 224, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 16086, independent: 13434, independent conditional: 10, independent unconditional: 13424, dependent: 1192, dependent conditional: 82, dependent unconditional: 1110, unknown: 1460, unknown conditional: 22, unknown unconditional: 1438] , Statistics on independence cache: Total cache size (in pairs): 1460, Positive cache size: 1361, Positive conditional cache size: 5, Positive unconditional cache size: 1356, Negative cache size: 99, Negative conditional cache size: 17, Negative unconditional cache size: 82, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 669, Maximal queried relation: 2, Independence queries for same thread: 173 - PositiveResult [Line: 728]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 729]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 730]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 90 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.5s, 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: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 224 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-08-14 08:35:38,932 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-08-14 08:35:39,131 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE