./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 --validate ./goblint.2024-06-19_11-23-25.files/protection/36-apron_21-traces-cluster-based_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2520d7ca Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i ./goblint.2024-06-19_11-23-25.files/protection/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 --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-2520d7c-m [2024-07-17 11:06:05,939 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-17 11:06:06,004 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-17 11:06:06,008 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-17 11:06:06,009 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-17 11:06:06,031 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-17 11:06:06,032 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-17 11:06:06,032 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-17 11:06:06,033 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-17 11:06:06,036 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-17 11:06:06,036 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-17 11:06:06,036 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-17 11:06:06,037 INFO L153 SettingsManager]: * Use SBE=true [2024-07-17 11:06:06,038 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-17 11:06:06,038 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-17 11:06:06,039 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-17 11:06:06,039 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-17 11:06:06,039 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-17 11:06:06,039 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-17 11:06:06,039 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-17 11:06:06,040 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-17 11:06:06,040 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-17 11:06:06,040 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-17 11:06:06,041 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-17 11:06:06,041 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-17 11:06:06,041 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-17 11:06:06,041 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-17 11:06:06,042 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-17 11:06:06,042 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-17 11:06:06,042 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-17 11:06:06,043 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-17 11:06:06,043 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-17 11:06:06,043 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-17 11:06:06,043 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-17 11:06:06,044 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-17 11:06:06,044 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-17 11:06:06,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-17 11:06:06,044 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-17 11:06:06,044 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-17 11:06:06,045 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-17 11:06:06,045 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-17 11:06:06,045 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-17 11:06:06,045 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-07-17 11:06:06,227 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-17 11:06:06,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-17 11:06:06,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-17 11:06:06,250 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-17 11:06:06,251 INFO L274 PluginConnector]: CDTParser initialized [2024-07-17 11:06:06,251 INFO L431 ainManager$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 [2024-07-17 11:06:07,394 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-17 11:06:07,601 INFO L384 CDTParser]: Found 1 translation units. [2024-07-17 11:06:07,601 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i [2024-07-17 11:06:07,610 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9b59bfb3d/ea1383f6ce794e318210c888c535fc97/FLAG89e9ffaae [2024-07-17 11:06:07,619 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9b59bfb3d/ea1383f6ce794e318210c888c535fc97 [2024-07-17 11:06:07,621 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-07-17 11:06:07,621 INFO L274 PluginConnector]: Witness Parser initialized [2024-07-17 11:06:07,622 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-06-19_11-23-25.files/protection/36-apron_21-traces-cluster-based_true.yml/witness.yml [2024-07-17 11:06:07,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-17 11:06:07,733 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-07-17 11:06:07,734 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-17 11:06:07,735 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-17 11:06:07,738 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-17 11:06:07,739 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:06:07" (1/2) ... [2024-07-17 11:06:07,740 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66ea7a1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:06:07, skipping insertion in model container [2024-07-17 11:06:07,740 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:06:07" (1/2) ... [2024-07-17 11:06:07,742 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@66233939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:06:07, skipping insertion in model container [2024-07-17 11:06:07,742 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.07 11:06:07" (2/2) ... [2024-07-17 11:06:07,742 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66ea7a1a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 11:06:07, skipping insertion in model container [2024-07-17 11:06:07,743 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.07 11:06:07" (2/2) ... [2024-07-17 11:06:07,743 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-07-17 11:06:07,784 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-07-17 11:06:07,785 INFO L97 edCorrectnessWitness]: Location invariant before [L730-L730] (! multithreaded || -1016 <= h) && (! multithreaded || -999 <= g) [2024-07-17 11:06:07,785 INFO L97 edCorrectnessWitness]: Location invariant before [L728-L728] (! multithreaded || -1016 <= h) && (! multithreaded || -999 <= g) [2024-07-17 11:06:07,786 INFO L97 edCorrectnessWitness]: Location invariant before [L729-L729] (! multithreaded || -1016 <= h) && (! multithreaded || -999 <= g) [2024-07-17 11:06:07,786 INFO L103 edCorrectnessWitness]: ghost_variable B_locked = 0 [2024-07-17 11:06:07,786 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-07-17 11:06:07,787 INFO L103 edCorrectnessWitness]: ghost_variable A_locked = 0 [2024-07-17 11:06:07,787 INFO L106 edCorrectnessWitness]: ghost_update [L694-L694] A_locked = 1; [2024-07-17 11:06:07,788 INFO L106 edCorrectnessWitness]: ghost_update [L697-L697] B_locked = 0; [2024-07-17 11:06:07,788 INFO L106 edCorrectnessWitness]: ghost_update [L693-L693] A_locked = 0; [2024-07-17 11:06:07,788 INFO L106 edCorrectnessWitness]: ghost_update [L727-L727] multithreaded = 1; [2024-07-17 11:06:07,788 INFO L106 edCorrectnessWitness]: ghost_update [L736-L736] A_locked = 0; [2024-07-17 11:06:07,789 INFO L106 edCorrectnessWitness]: ghost_update [L690-L690] A_locked = 1; [2024-07-17 11:06:07,789 INFO L106 edCorrectnessWitness]: ghost_update [L704-L704] A_locked = 1; [2024-07-17 11:06:07,789 INFO L106 edCorrectnessWitness]: ghost_update [L719-L719] B_locked = 0; [2024-07-17 11:06:07,789 INFO L106 edCorrectnessWitness]: ghost_update [L730-L730] A_locked = 1; [2024-07-17 11:06:07,789 INFO L106 edCorrectnessWitness]: ghost_update [L715-L715] A_locked = 1; [2024-07-17 11:06:07,789 INFO L106 edCorrectnessWitness]: ghost_update [L714-L714] B_locked = 1; [2024-07-17 11:06:07,789 INFO L106 edCorrectnessWitness]: ghost_update [L735-L735] B_locked = 0; [2024-07-17 11:06:07,790 INFO L106 edCorrectnessWitness]: ghost_update [L696-L696] A_locked = 0; [2024-07-17 11:06:07,790 INFO L106 edCorrectnessWitness]: ghost_update [L689-L689] B_locked = 1; [2024-07-17 11:06:07,790 INFO L106 edCorrectnessWitness]: ghost_update [L718-L718] A_locked = 0; [2024-07-17 11:06:07,790 INFO L106 edCorrectnessWitness]: ghost_update [L707-L707] A_locked = 0; [2024-07-17 11:06:07,790 INFO L106 edCorrectnessWitness]: ghost_update [L733-L733] B_locked = 1; [2024-07-17 11:06:07,831 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-17 11:06:07,974 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_21-traces-cluster-based_true.i[1092,1105] [2024-07-17 11:06:08,076 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-17 11:06:08,088 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local [2024-07-17 11:06:08,146 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_21-traces-cluster-based_true.i[1092,1105] 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 [2024-07-17 11:06:08,231 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-17 11:06:08,264 INFO L206 MainTranslator]: Completed translation [2024-07-17 11:06:08,265 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 11:06:08 WrapperNode [2024-07-17 11:06:08,266 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-17 11:06:08,266 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-17 11:06:08,267 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-17 11:06:08,267 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-17 11:06:08,273 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 17.07 11:06:08" (1/1) ... [2024-07-17 11:06:08,288 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 17.07 11:06:08" (1/1) ... [2024-07-17 11:06:08,306 INFO L138 Inliner]: procedures = 165, calls = 41, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 155 [2024-07-17 11:06:08,306 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-17 11:06:08,307 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-17 11:06:08,307 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-17 11:06:08,307 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-17 11:06:08,314 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 11:06:08" (1/1) ... [2024-07-17 11:06:08,315 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 11:06:08" (1/1) ... [2024-07-17 11:06:08,318 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 11:06:08" (1/1) ... [2024-07-17 11:06:08,318 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 11:06:08" (1/1) ... [2024-07-17 11:06:08,328 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 11:06:08" (1/1) ... [2024-07-17 11:06:08,330 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 11:06:08" (1/1) ... [2024-07-17 11:06:08,332 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 11:06:08" (1/1) ... [2024-07-17 11:06:08,332 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 11:06:08" (1/1) ... [2024-07-17 11:06:08,334 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-17 11:06:08,335 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-17 11:06:08,335 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-17 11:06:08,335 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-17 11:06:08,336 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 11:06:08" (1/1) ... [2024-07-17 11:06:08,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-17 11:06:08,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 11:06:08,361 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-07-17 11:06:08,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-07-17 11:06:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-07-17 11:06:08,393 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-07-17 11:06:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-07-17 11:06:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-17 11:06:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure t3_fun [2024-07-17 11:06:08,394 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_fun [2024-07-17 11:06:08,394 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-07-17 11:06:08,394 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-07-17 11:06:08,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-17 11:06:08,394 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-07-17 11:06:08,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-17 11:06:08,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-17 11:06:08,395 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-07-17 11:06:08,535 INFO L244 CfgBuilder]: Building ICFG [2024-07-17 11:06:08,537 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-17 11:06:08,758 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-17 11:06:08,758 INFO L293 CfgBuilder]: Performing block encoding [2024-07-17 11:06:08,881 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-07-17 11:06:08,881 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-07-17 11:06:08,882 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:06:08 BoogieIcfgContainer [2024-07-17 11:06:08,882 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-07-17 11:06:08,883 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-07-17 11:06:08,883 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-07-17 11:06:08,886 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-07-17 11:06:08,886 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 11:06:07" (1/4) ... [2024-07-17 11:06:08,886 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1564ee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:06:08, skipping insertion in model container [2024-07-17 11:06:08,886 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.07 11:06:07" (2/4) ... [2024-07-17 11:06:08,887 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1564ee8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 17.07 11:06:08, skipping insertion in model container [2024-07-17 11:06:08,887 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 11:06:08" (3/4) ... [2024-07-17 11:06:08,887 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1564ee8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 17.07 11:06:08, skipping insertion in model container [2024-07-17 11:06:08,887 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:06:08" (4/4) ... [2024-07-17 11:06:08,888 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_21-traces-cluster-based_true.i [2024-07-17 11:06:08,900 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-07-17 11:06:08,900 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2024-07-17 11:06:08,900 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-07-17 11:06:08,958 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-07-17 11:06:08,996 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-17 11:06:08,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-17 11:06:08,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 11:06:09,033 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-07-17 11:06:09,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-07-17 11:06:09,075 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-17 11:06:09,084 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2_funThread1of1ForFork0 ======== [2024-07-17 11:06:09,088 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;@3e08066b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-17 11:06:09,088 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-07-17 11:06:09,318 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-17 11:06:09,322 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:06:09,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1610334934, now seen corresponding path program 1 times [2024-07-17 11:06:09,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:06:09,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26249073] [2024-07-17 11:06:09,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:06:09,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:06:09,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:06:09,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 11:06:09,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:06:09,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26249073] [2024-07-17 11:06:09,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26249073] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:06:09,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:06:09,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-07-17 11:06:09,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283043086] [2024-07-17 11:06:09,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:06:09,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-07-17 11:06:09,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:06:09,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-07-17 11:06:09,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-07-17 11:06:09,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:09,792 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:06:09,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-17 11:06:09,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:12,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-17 11:06:12,021 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-07-17 11:06:12,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-07-17 11:06:12,030 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-07-17 11:06:12,031 INFO L308 ceAbstractionStarter]: Result for error location t2_funThread1of1ForFork0 was SAFE (1/3) [2024-07-17 11:06:12,037 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-17 11:06:12,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-17 11:06:12,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 11:06:12,049 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) [2024-07-17 11:06:12,051 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 [2024-07-17 11:06:12,053 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-17 11:06:12,054 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-07-17 11:06:12,054 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;@3e08066b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-17 11:06:12,054 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-07-17 11:06:12,149 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-07-17 11:06:12,150 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:06:12,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1776957454, now seen corresponding path program 1 times [2024-07-17 11:06:12,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:06:12,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484139899] [2024-07-17 11:06:12,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:06:12,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:06:12,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:06:12,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 11:06:12,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:06:12,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484139899] [2024-07-17 11:06:12,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484139899] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:06:12,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:06:12,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-07-17 11:06:12,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247825793] [2024-07-17 11:06:12,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:06:12,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-07-17 11:06:12,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:06:12,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-07-17 11:06:12,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-07-17 11:06:12,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:12,218 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:06:12,218 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) [2024-07-17 11:06:12,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:12,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-17 11:06:12,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-07-17 11:06:12,286 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-07-17 11:06:12,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:06:12,286 INFO L85 PathProgramCache]: Analyzing trace with hash 182682793, now seen corresponding path program 1 times [2024-07-17 11:06:12,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:06:12,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877936823] [2024-07-17 11:06:12,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:06:12,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:06:12,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:06:12,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 11:06:12,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:06:12,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877936823] [2024-07-17 11:06:12,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877936823] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:06:12,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:06:12,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-07-17 11:06:12,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785794128] [2024-07-17 11:06:12,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:06:12,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-07-17 11:06:12,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:06:12,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-07-17 11:06:12,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-07-17 11:06:12,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:12,419 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:06:12,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-17 11:06:12,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-17 11:06:12,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:12,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-17 11:06:12,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-17 11:06:12,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-07-17 11:06:12,499 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-07-17 11:06:12,499 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:06:12,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1689762294, now seen corresponding path program 1 times [2024-07-17 11:06:12,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:06:12,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540524651] [2024-07-17 11:06:12,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:06:12,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:06:12,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:06:12,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 11:06:12,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:06:12,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540524651] [2024-07-17 11:06:12,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540524651] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:06:12,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:06:12,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-07-17 11:06:12,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033168085] [2024-07-17 11:06:12,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:06:12,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-07-17 11:06:12,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:06:12,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-07-17 11:06:12,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-07-17 11:06:12,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:12,646 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:06:12,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-17 11:06:12,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-17 11:06:12,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-17 11:06:12,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:12,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-17 11:06:12,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-17 11:06:12,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-17 11:06:12,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-07-17 11:06:12,743 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-07-17 11:06:12,743 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:06:12,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1206217429, now seen corresponding path program 1 times [2024-07-17 11:06:12,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:06:12,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972070309] [2024-07-17 11:06:12,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:06:12,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:06:12,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:06:12,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 11:06:12,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:06:12,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972070309] [2024-07-17 11:06:12,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972070309] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:06:12,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:06:12,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-07-17 11:06:12,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242425014] [2024-07-17 11:06:12,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:06:12,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-07-17 11:06:12,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:06:12,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-07-17 11:06:12,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-07-17 11:06:12,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:12,951 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:06:12,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-17 11:06:12,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-17 11:06:12,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-17 11:06:12,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-17 11:06:12,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:14,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-17 11:06:14,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-17 11:06:14,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-17 11:06:14,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-17 11:06:14,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-07-17 11:06:14,298 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-07-17 11:06:14,298 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:06:14,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1317978441, now seen corresponding path program 1 times [2024-07-17 11:06:14,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:06:14,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472286407] [2024-07-17 11:06:14,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:06:14,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:06:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:06:14,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 11:06:14,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:06:14,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472286407] [2024-07-17 11:06:14,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472286407] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:06:14,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:06:14,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-17 11:06:14,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925057745] [2024-07-17 11:06:14,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:06:14,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-07-17 11:06:14,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:06:14,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-07-17 11:06:14,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-07-17 11:06:14,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:14,346 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:06:14,346 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) [2024-07-17 11:06:14,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-17 11:06:14,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-17 11:06:14,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-17 11:06:14,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-17 11:06:14,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:14,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-17 11:06:14,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-17 11:06:14,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-17 11:06:14,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-17 11:06:14,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-17 11:06:14,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-07-17 11:06:14,902 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-07-17 11:06:14,903 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:06:14,903 INFO L85 PathProgramCache]: Analyzing trace with hash -552567926, now seen corresponding path program 2 times [2024-07-17 11:06:14,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:06:14,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231406561] [2024-07-17 11:06:14,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:06:14,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:06:14,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:06:14,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 11:06:14,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:06:14,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231406561] [2024-07-17 11:06:14,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231406561] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:06:14,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:06:14,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-17 11:06:14,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103212253] [2024-07-17 11:06:14,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:06:14,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-17 11:06:14,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:06:14,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-17 11:06:14,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-17 11:06:14,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:14,994 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:06:14,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-17 11:06:14,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-17 11:06:14,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-17 11:06:14,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-17 11:06:14,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-17 11:06:14,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-17 11:06:14,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:15,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-17 11:06:15,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-17 11:06:15,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-17 11:06:15,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-17 11:06:15,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-17 11:06:15,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:15,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-07-17 11:06:15,395 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-07-17 11:06:15,395 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:06:15,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1599537787, now seen corresponding path program 1 times [2024-07-17 11:06:15,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:06:15,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629389575] [2024-07-17 11:06:15,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:06:15,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:06:15,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:06:15,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 11:06:15,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:06:15,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629389575] [2024-07-17 11:06:15,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629389575] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:06:15,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:06:15,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-07-17 11:06:15,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156754157] [2024-07-17 11:06:15,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:06:15,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-07-17 11:06:15,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:06:15,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-07-17 11:06:15,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-07-17 11:06:15,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:15,570 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:06:15,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-17 11:06:15,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-17 11:06:15,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-17 11:06:15,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-17 11:06:15,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-17 11:06:15,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-17 11:06:15,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:15,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:16,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-17 11:06:16,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-17 11:06:16,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-17 11:06:16,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-17 11:06:16,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-17 11:06:16,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:16,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-17 11:06:16,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-07-17 11:06:16,343 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-07-17 11:06:16,344 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:06:16,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1167741467, now seen corresponding path program 2 times [2024-07-17 11:06:16,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:06:16,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517291939] [2024-07-17 11:06:16,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:06:16,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:06:16,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:06:16,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 11:06:16,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:06:16,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517291939] [2024-07-17 11:06:16,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517291939] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:06:16,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:06:16,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-07-17 11:06:16,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281524509] [2024-07-17 11:06:16,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:06:16,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-07-17 11:06:16,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:06:16,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-07-17 11:06:16,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-07-17 11:06:16,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:16,465 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:06:16,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-17 11:06:16,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-17 11:06:16,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-17 11:06:16,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-17 11:06:16,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-17 11:06:16,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-17 11:06:16,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:16,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-17 11:06:16,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:17,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-17 11:06:17,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-17 11:06:17,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-17 11:06:17,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-17 11:06:17,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-17 11:06:17,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:17,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-17 11:06:17,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-17 11:06:17,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 8 remaining) [2024-07-17 11:06:17,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 8 remaining) [2024-07-17 11:06:17,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 8 remaining) [2024-07-17 11:06:17,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2024-07-17 11:06:17,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining) [2024-07-17 11:06:17,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 8 remaining) [2024-07-17 11:06:17,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2024-07-17 11:06:17,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 8 remaining) [2024-07-17 11:06:17,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-07-17 11:06:17,079 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1] [2024-07-17 11:06:17,079 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (2/3) [2024-07-17 11:06:17,081 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-17 11:06:17,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-17 11:06:17,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 11:06:17,105 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-07-17 11:06:17,108 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-17 11:06:17,108 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t3_funThread1of1ForFork2 ======== [2024-07-17 11:06:17,108 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;@3e08066b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-17 11:06:17,109 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-07-17 11:06:17,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2024-07-17 11:06:17,209 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-17 11:06:17,210 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:06:17,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1508157398, now seen corresponding path program 1 times [2024-07-17 11:06:17,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:06:17,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159123568] [2024-07-17 11:06:17,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:06:17,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:06:17,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:06:17,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 11:06:17,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:06:17,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159123568] [2024-07-17 11:06:17,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159123568] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:06:17,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:06:17,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-07-17 11:06:17,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565985388] [2024-07-17 11:06:17,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:06:17,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-07-17 11:06:17,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:06:17,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-07-17 11:06:17,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-07-17 11:06:17,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:17,294 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:06:17,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-17 11:06:17,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:17,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-17 11:06:17,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-07-17 11:06:17,373 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-17 11:06:17,374 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:06:17,374 INFO L85 PathProgramCache]: Analyzing trace with hash 996412043, now seen corresponding path program 1 times [2024-07-17 11:06:17,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:06:17,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375931781] [2024-07-17 11:06:17,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:06:17,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:06:17,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:06:17,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 11:06:17,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:06:17,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375931781] [2024-07-17 11:06:17,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375931781] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:06:17,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:06:17,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-07-17 11:06:17,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846785977] [2024-07-17 11:06:17,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:06:17,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-07-17 11:06:17,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:06:17,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-07-17 11:06:17,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-07-17 11:06:17,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:17,490 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:06:17,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-17 11:06:17,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-17 11:06:17,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:18,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-17 11:06:18,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-17 11:06:18,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-07-17 11:06:18,224 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-17 11:06:18,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:06:18,225 INFO L85 PathProgramCache]: Analyzing trace with hash 939572340, now seen corresponding path program 1 times [2024-07-17 11:06:18,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:06:18,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080334695] [2024-07-17 11:06:18,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:06:18,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:06:18,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:06:18,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 11:06:18,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:06:18,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080334695] [2024-07-17 11:06:18,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080334695] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:06:18,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:06:18,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-17 11:06:18,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621001641] [2024-07-17 11:06:18,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:06:18,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-17 11:06:18,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:06:18,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-17 11:06:18,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-17 11:06:18,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:18,274 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:06:18,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-17 11:06:18,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-17 11:06:18,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-17 11:06:18,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:18,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-17 11:06:18,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-17 11:06:18,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:18,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-07-17 11:06:18,545 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-17 11:06:18,546 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:06:18,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1650814214, now seen corresponding path program 1 times [2024-07-17 11:06:18,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:06:18,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580485641] [2024-07-17 11:06:18,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:06:18,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:06:18,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:06:18,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 11:06:18,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:06:18,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580485641] [2024-07-17 11:06:18,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580485641] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:06:18,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:06:18,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-07-17 11:06:18,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817194504] [2024-07-17 11:06:18,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:06:18,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-07-17 11:06:18,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:06:18,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-07-17 11:06:18,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-07-17 11:06:18,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:18,665 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:06:18,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-17 11:06:18,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-17 11:06:18,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-17 11:06:18,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:18,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:19,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-17 11:06:19,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-17 11:06:19,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:19,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-17 11:06:19,368 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-07-17 11:06:19,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-07-17 11:06:19,369 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-07-17 11:06:19,369 INFO L308 ceAbstractionStarter]: Result for error location t3_funThread1of1ForFork2 was SAFE (3/3) [2024-07-17 11:06:19,370 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-07-17 11:06:19,370 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-07-17 11:06:19,372 INFO L507 ceAbstractionStarter]: Automizer considered 3 witness invariants [2024-07-17 11:06:19,372 INFO L508 ceAbstractionStarter]: WitnessConsidered=3 [2024-07-17 11:06:19,373 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 11:06:19 BasicIcfg [2024-07-17 11:06:19,373 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-07-17 11:06:19,373 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-07-17 11:06:19,373 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-07-17 11:06:19,374 INFO L274 PluginConnector]: Witness Printer initialized [2024-07-17 11:06:19,374 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:06:08" (4/5) ... [2024-07-17 11:06:19,375 INFO L137 WitnessPrinter]: Generating witness for correct program [2024-07-17 11:06:19,378 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t2_fun [2024-07-17 11:06:19,378 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t3_fun [2024-07-17 11:06:19,378 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-07-17 11:06:19,381 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2024-07-17 11:06:19,381 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-07-17 11:06:19,381 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-07-17 11:06:19,382 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-07-17 11:06:19,382 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-07-17 11:06:19,414 INFO L149 WitnessManager]: Wrote witness to /storage/repos/sv-benchmarks/c/goblint-regression/36-apron_21-traces-cluster-based_true.i-witness.graphml [2024-07-17 11:06:19,414 INFO L149 WitnessManager]: Wrote witness to /storage/repos/sv-benchmarks/c/goblint-regression/36-apron_21-traces-cluster-based_true.i-witness.yml [2024-07-17 11:06:19,414 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-07-17 11:06:19,415 INFO L158 Benchmark]: Toolchain (without parser) took 11681.43ms. Allocated memory was 188.7MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 110.5MB in the beginning and 515.1MB in the end (delta: -404.6MB). Peak memory consumption was 734.9MB. Max. memory is 16.1GB. [2024-07-17 11:06:19,415 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 188.7MB. Free memory is still 147.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-17 11:06:19,415 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 188.7MB. Free memory is still 115.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-17 11:06:19,415 INFO L158 Benchmark]: CACSL2BoogieTranslator took 531.58ms. Allocated memory is still 188.7MB. Free memory was 110.3MB in the beginning and 145.9MB in the end (delta: -35.6MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2024-07-17 11:06:19,415 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.76ms. Allocated memory is still 188.7MB. Free memory was 145.9MB in the beginning and 143.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-17 11:06:19,416 INFO L158 Benchmark]: Boogie Preprocessor took 27.93ms. Allocated memory is still 188.7MB. Free memory was 143.8MB in the beginning and 141.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-17 11:06:19,416 INFO L158 Benchmark]: RCFGBuilder took 546.74ms. Allocated memory is still 188.7MB. Free memory was 141.7MB in the beginning and 98.7MB in the end (delta: 43.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-07-17 11:06:19,416 INFO L158 Benchmark]: TraceAbstraction took 10489.67ms. Allocated memory was 188.7MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 98.7MB in the beginning and 519.3MB in the end (delta: -420.6MB). Peak memory consumption was 717.1MB. Max. memory is 16.1GB. [2024-07-17 11:06:19,416 INFO L158 Benchmark]: Witness Printer took 41.00ms. Allocated memory is still 1.3GB. Free memory was 518.2MB in the beginning and 515.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-07-17 11:06:19,417 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 188.7MB. Free memory is still 147.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 188.7MB. Free memory is still 115.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 531.58ms. Allocated memory is still 188.7MB. Free memory was 110.3MB in the beginning and 145.9MB in the end (delta: -35.6MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.76ms. Allocated memory is still 188.7MB. Free memory was 145.9MB in the beginning and 143.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.93ms. Allocated memory is still 188.7MB. Free memory was 143.8MB in the beginning and 141.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 546.74ms. Allocated memory is still 188.7MB. Free memory was 141.7MB in the beginning and 98.7MB in the end (delta: 43.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 10489.67ms. Allocated memory was 188.7MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 98.7MB in the beginning and 519.3MB in the end (delta: -420.6MB). Peak memory consumption was 717.1MB. Max. memory is 16.1GB. * Witness Printer took 41.00ms. Allocated memory is still 1.3GB. Free memory was 518.2MB in the beginning and 515.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 91852, independent: 83914, independent conditional: 80955, independent unconditional: 2959, dependent: 7938, dependent conditional: 7820, dependent unconditional: 118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 90528, independent: 83914, independent conditional: 80955, independent unconditional: 2959, dependent: 6614, dependent conditional: 6496, dependent unconditional: 118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 90528, independent: 83914, independent conditional: 80955, independent unconditional: 2959, dependent: 6614, dependent conditional: 6496, dependent unconditional: 118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 97024, independent: 83914, independent conditional: 0, independent unconditional: 83914, dependent: 13110, dependent conditional: 6496, dependent unconditional: 6614, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 97024, independent: 83914, independent conditional: 0, independent unconditional: 83914, dependent: 13110, dependent conditional: 993, dependent unconditional: 12117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 97024, independent: 83914, independent conditional: 0, independent unconditional: 83914, dependent: 13110, dependent conditional: 993, dependent unconditional: 12117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3123, independent: 2959, independent conditional: 0, independent unconditional: 2959, dependent: 164, dependent conditional: 40, dependent unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3123, independent: 2865, independent conditional: 0, independent unconditional: 2865, dependent: 258, dependent conditional: 0, dependent unconditional: 258, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 258, independent: 94, independent conditional: 0, independent unconditional: 94, dependent: 164, dependent conditional: 40, dependent unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 258, independent: 94, independent conditional: 0, independent unconditional: 94, dependent: 164, dependent conditional: 40, dependent unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 429, independent: 188, independent conditional: 0, independent unconditional: 188, dependent: 241, dependent conditional: 56, dependent unconditional: 185, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 97024, independent: 80955, independent conditional: 0, independent unconditional: 80955, dependent: 12946, dependent conditional: 953, dependent unconditional: 11993, unknown: 3123, unknown conditional: 40, unknown unconditional: 3083] , Statistics on independence cache: Total cache size (in pairs): 3123, Positive cache size: 2959, Positive conditional cache size: 0, Positive unconditional cache size: 2959, Negative cache size: 164, Negative conditional cache size: 40, Negative unconditional cache size: 124, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5503, Maximal queried relation: 1, Independence queries for same thread: 1324 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.9s, Number of persistent set computation: 10392, Number of trivial persistent sets: 6014, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3077, independent: 2959, independent conditional: 0, independent unconditional: 2959, dependent: 118, dependent conditional: 0, dependent unconditional: 118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 91852, independent: 83914, independent conditional: 80955, independent unconditional: 2959, dependent: 7938, dependent conditional: 7820, dependent unconditional: 118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 90528, independent: 83914, independent conditional: 80955, independent unconditional: 2959, dependent: 6614, dependent conditional: 6496, dependent unconditional: 118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 90528, independent: 83914, independent conditional: 80955, independent unconditional: 2959, dependent: 6614, dependent conditional: 6496, dependent unconditional: 118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 97024, independent: 83914, independent conditional: 0, independent unconditional: 83914, dependent: 13110, dependent conditional: 6496, dependent unconditional: 6614, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 97024, independent: 83914, independent conditional: 0, independent unconditional: 83914, dependent: 13110, dependent conditional: 993, dependent unconditional: 12117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 97024, independent: 83914, independent conditional: 0, independent unconditional: 83914, dependent: 13110, dependent conditional: 993, dependent unconditional: 12117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3123, independent: 2959, independent conditional: 0, independent unconditional: 2959, dependent: 164, dependent conditional: 40, dependent unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3123, independent: 2865, independent conditional: 0, independent unconditional: 2865, dependent: 258, dependent conditional: 0, dependent unconditional: 258, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 258, independent: 94, independent conditional: 0, independent unconditional: 94, dependent: 164, dependent conditional: 40, dependent unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 258, independent: 94, independent conditional: 0, independent unconditional: 94, dependent: 164, dependent conditional: 40, dependent unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 429, independent: 188, independent conditional: 0, independent unconditional: 188, dependent: 241, dependent conditional: 56, dependent unconditional: 185, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 97024, independent: 80955, independent conditional: 0, independent unconditional: 80955, dependent: 12946, dependent conditional: 953, dependent unconditional: 11993, unknown: 3123, unknown conditional: 40, unknown unconditional: 3083] , Statistics on independence cache: Total cache size (in pairs): 3123, Positive cache size: 2959, Positive conditional cache size: 0, Positive unconditional cache size: 2959, Negative cache size: 164, Negative conditional cache size: 40, Negative unconditional cache size: 124, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5503, Maximal queried relation: 1, Independence queries for same thread: 1324 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 219799, independent: 205417, independent conditional: 202444, independent unconditional: 2973, dependent: 14382, dependent conditional: 14270, dependent unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 210689, independent: 205417, independent conditional: 202444, independent unconditional: 2973, dependent: 5272, dependent conditional: 5160, dependent unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 210689, independent: 205417, independent conditional: 202444, independent unconditional: 2973, dependent: 5272, dependent conditional: 5160, dependent unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 237282, independent: 205417, independent conditional: 826, independent unconditional: 204591, dependent: 31865, dependent conditional: 25767, dependent unconditional: 6098, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 237282, independent: 205417, independent conditional: 826, independent unconditional: 204591, dependent: 31865, dependent conditional: 1642, dependent unconditional: 30223, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 237282, independent: 205417, independent conditional: 826, independent unconditional: 204591, dependent: 31865, dependent conditional: 1642, dependent unconditional: 30223, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3223, independent: 3018, independent conditional: 45, independent unconditional: 2973, dependent: 205, dependent conditional: 87, dependent unconditional: 118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3223, independent: 2886, independent conditional: 0, independent unconditional: 2886, dependent: 337, dependent conditional: 0, dependent unconditional: 337, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 337, independent: 132, independent conditional: 45, independent unconditional: 87, dependent: 205, dependent conditional: 87, dependent unconditional: 118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 337, independent: 132, independent conditional: 45, independent unconditional: 87, dependent: 205, dependent conditional: 87, dependent unconditional: 118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 444, independent: 198, independent conditional: 68, independent unconditional: 131, dependent: 246, dependent conditional: 103, dependent unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 237282, independent: 202399, independent conditional: 781, independent unconditional: 201618, dependent: 31660, dependent conditional: 1555, dependent unconditional: 30105, unknown: 3223, unknown conditional: 132, unknown unconditional: 3091] , Statistics on independence cache: Total cache size (in pairs): 3223, Positive cache size: 3018, Positive conditional cache size: 45, Positive unconditional cache size: 2973, Negative cache size: 205, Negative conditional cache size: 87, Negative unconditional cache size: 118, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 24125, Maximal queried relation: 8, Independence queries for same thread: 9110 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.6s, Number of persistent set computation: 12722, Number of trivial persistent sets: 12722, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3085, independent: 2973, independent conditional: 0, independent unconditional: 2973, dependent: 112, dependent conditional: 0, dependent unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 219799, independent: 205417, independent conditional: 202444, independent unconditional: 2973, dependent: 14382, dependent conditional: 14270, dependent unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 210689, independent: 205417, independent conditional: 202444, independent unconditional: 2973, dependent: 5272, dependent conditional: 5160, dependent unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 210689, independent: 205417, independent conditional: 202444, independent unconditional: 2973, dependent: 5272, dependent conditional: 5160, dependent unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 237282, independent: 205417, independent conditional: 826, independent unconditional: 204591, dependent: 31865, dependent conditional: 25767, dependent unconditional: 6098, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 237282, independent: 205417, independent conditional: 826, independent unconditional: 204591, dependent: 31865, dependent conditional: 1642, dependent unconditional: 30223, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 237282, independent: 205417, independent conditional: 826, independent unconditional: 204591, dependent: 31865, dependent conditional: 1642, dependent unconditional: 30223, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3223, independent: 3018, independent conditional: 45, independent unconditional: 2973, dependent: 205, dependent conditional: 87, dependent unconditional: 118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3223, independent: 2886, independent conditional: 0, independent unconditional: 2886, dependent: 337, dependent conditional: 0, dependent unconditional: 337, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 337, independent: 132, independent conditional: 45, independent unconditional: 87, dependent: 205, dependent conditional: 87, dependent unconditional: 118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 337, independent: 132, independent conditional: 45, independent unconditional: 87, dependent: 205, dependent conditional: 87, dependent unconditional: 118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 444, independent: 198, independent conditional: 68, independent unconditional: 131, dependent: 246, dependent conditional: 103, dependent unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 237282, independent: 202399, independent conditional: 781, independent unconditional: 201618, dependent: 31660, dependent conditional: 1555, dependent unconditional: 30105, unknown: 3223, unknown conditional: 132, unknown unconditional: 3091] , Statistics on independence cache: Total cache size (in pairs): 3223, Positive cache size: 3018, Positive conditional cache size: 45, Positive unconditional cache size: 2973, Negative cache size: 205, Negative conditional cache size: 87, Negative unconditional cache size: 118, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 24125, Maximal queried relation: 8, Independence queries for same thread: 9110 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 99910, independent: 93908, independent conditional: 90997, independent unconditional: 2911, dependent: 6002, dependent conditional: 5891, dependent unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 97103, independent: 93908, independent conditional: 90997, independent unconditional: 2911, dependent: 3195, dependent conditional: 3084, dependent unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 97103, independent: 93908, independent conditional: 90997, independent unconditional: 2911, dependent: 3195, dependent conditional: 3084, dependent unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 105216, independent: 93908, independent conditional: 634, independent unconditional: 93274, dependent: 11308, dependent conditional: 7479, dependent unconditional: 3829, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 105216, independent: 93908, independent conditional: 634, independent unconditional: 93274, dependent: 11308, dependent conditional: 1337, dependent unconditional: 9971, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 105216, independent: 93908, independent conditional: 634, independent unconditional: 93274, dependent: 11308, dependent conditional: 1337, dependent unconditional: 9971, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3159, independent: 2941, independent conditional: 30, independent unconditional: 2911, dependent: 218, dependent conditional: 101, dependent unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3159, independent: 2823, independent conditional: 0, independent unconditional: 2823, dependent: 336, dependent conditional: 0, dependent unconditional: 336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 336, independent: 118, independent conditional: 30, independent unconditional: 88, dependent: 218, dependent conditional: 101, dependent unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 336, independent: 118, independent conditional: 30, independent unconditional: 88, dependent: 218, dependent conditional: 101, dependent unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 392, independent: 147, independent conditional: 39, independent unconditional: 108, dependent: 245, dependent conditional: 116, dependent unconditional: 129, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 105216, independent: 90967, independent conditional: 604, independent unconditional: 90363, dependent: 11090, dependent conditional: 1236, dependent unconditional: 9854, unknown: 3159, unknown conditional: 131, unknown unconditional: 3028] , Statistics on independence cache: Total cache size (in pairs): 3159, Positive cache size: 2941, Positive conditional cache size: 30, Positive unconditional cache size: 2911, Negative cache size: 218, Negative conditional cache size: 101, Negative unconditional cache size: 117, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6142, Maximal queried relation: 4, Independence queries for same thread: 2807 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.4s, Number of persistent set computation: 7440, Number of trivial persistent sets: 4683, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3022, independent: 2911, independent conditional: 0, independent unconditional: 2911, dependent: 111, dependent conditional: 0, dependent unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 99910, independent: 93908, independent conditional: 90997, independent unconditional: 2911, dependent: 6002, dependent conditional: 5891, dependent unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 97103, independent: 93908, independent conditional: 90997, independent unconditional: 2911, dependent: 3195, dependent conditional: 3084, dependent unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 97103, independent: 93908, independent conditional: 90997, independent unconditional: 2911, dependent: 3195, dependent conditional: 3084, dependent unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 105216, independent: 93908, independent conditional: 634, independent unconditional: 93274, dependent: 11308, dependent conditional: 7479, dependent unconditional: 3829, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 105216, independent: 93908, independent conditional: 634, independent unconditional: 93274, dependent: 11308, dependent conditional: 1337, dependent unconditional: 9971, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 105216, independent: 93908, independent conditional: 634, independent unconditional: 93274, dependent: 11308, dependent conditional: 1337, dependent unconditional: 9971, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3159, independent: 2941, independent conditional: 30, independent unconditional: 2911, dependent: 218, dependent conditional: 101, dependent unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3159, independent: 2823, independent conditional: 0, independent unconditional: 2823, dependent: 336, dependent conditional: 0, dependent unconditional: 336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 336, independent: 118, independent conditional: 30, independent unconditional: 88, dependent: 218, dependent conditional: 101, dependent unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 336, independent: 118, independent conditional: 30, independent unconditional: 88, dependent: 218, dependent conditional: 101, dependent unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 392, independent: 147, independent conditional: 39, independent unconditional: 108, dependent: 245, dependent conditional: 116, dependent unconditional: 129, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 105216, independent: 90967, independent conditional: 604, independent unconditional: 90363, dependent: 11090, dependent conditional: 1236, dependent unconditional: 9854, unknown: 3159, unknown conditional: 131, unknown unconditional: 3028] , Statistics on independence cache: Total cache size (in pairs): 3159, Positive cache size: 2941, Positive conditional cache size: 30, Positive unconditional cache size: 2911, Negative cache size: 218, Negative conditional cache size: 101, Negative unconditional cache size: 117, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6142, Maximal queried relation: 4, Independence queries for same thread: 2807 - 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: 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 - 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t2_funThread1of1ForFork0 with 1 thread instances CFG has 7 procedures, 114 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 2.5s, 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: 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, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 7 procedures, 114 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 5.0s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 4.0s, 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: 55, 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, 0.8s InterpolantComputationTime, 327 NumberOfCodeBlocks, 327 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 319 ConstructedInterpolants, 0 QuantifiedInterpolants, 1272 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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: t3_funThread1of1ForFork2 with 1 thread instances CFG has 7 procedures, 114 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.9s, 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: 27, 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, 0.3s InterpolantComputationTime, 155 NumberOfCodeBlocks, 155 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 151 ConstructedInterpolants, 0 QuantifiedInterpolants, 605 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-07-17 11:06:19,446 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Ended with exit code 0 [2024-07-17 11:06:19,652 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 [2024-07-17 11:06:19,855 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-07-17 11:06:20,057 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