./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-09-02_08-21-23.files/mutex-meet-local/13-privatized_68-pfscan_protected_loop_minimal_interval_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e94c40da Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i ./goblint.2024-09-02_08-21-23.files/mutex-meet-local/13-privatized_68-pfscan_protected_loop_minimal_interval_true.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-e94c40d-m [2024-09-23 16:47:05,760 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-23 16:47:05,834 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-23 16:47:05,841 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-23 16:47:05,841 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-23 16:47:05,873 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-23 16:47:05,874 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-23 16:47:05,874 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-23 16:47:05,875 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-23 16:47:05,876 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-23 16:47:05,877 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-23 16:47:05,877 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-23 16:47:05,877 INFO L153 SettingsManager]: * Use SBE=true [2024-09-23 16:47:05,879 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-23 16:47:05,879 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-23 16:47:05,880 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-23 16:47:05,880 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-23 16:47:05,880 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-23 16:47:05,880 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-23 16:47:05,880 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-23 16:47:05,881 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-23 16:47:05,884 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-23 16:47:05,884 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-23 16:47:05,884 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-23 16:47:05,884 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-23 16:47:05,884 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-23 16:47:05,885 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-23 16:47:05,885 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-23 16:47:05,885 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-23 16:47:05,885 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-23 16:47:05,885 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 16:47:05,886 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-23 16:47:05,886 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-23 16:47:05,886 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-23 16:47:05,886 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-23 16:47:05,886 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-23 16:47:05,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-23 16:47:05,887 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-23 16:47:05,887 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-23 16:47:05,888 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-23 16:47:05,888 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-23 16:47:05,888 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-23 16:47:06,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-23 16:47:06,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-23 16:47:06,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-23 16:47:06,128 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-23 16:47:06,128 INFO L274 PluginConnector]: CDTParser initialized [2024-09-23 16:47:06,129 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i [2024-09-23 16:47:07,482 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-23 16:47:07,718 INFO L384 CDTParser]: Found 1 translation units. [2024-09-23 16:47:07,719 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i [2024-09-23 16:47:07,733 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/830446b24/66a5415672464c87b4b4de06238b2c80/FLAG001994e2d [2024-09-23 16:47:08,057 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/830446b24/66a5415672464c87b4b4de06238b2c80 [2024-09-23 16:47:08,059 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-23 16:47:08,059 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-23 16:47:08,060 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-local/13-privatized_68-pfscan_protected_loop_minimal_interval_true.yml/witness.yml [2024-09-23 16:47:08,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-23 16:47:08,123 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-23 16:47:08,124 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-23 16:47:08,124 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-23 16:47:08,130 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-23 16:47:08,130 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 04:47:08" (1/2) ... [2024-09-23 16:47:08,131 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34f72711 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 04:47:08, skipping insertion in model container [2024-09-23 16:47:08,132 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 04:47:08" (1/2) ... [2024-09-23 16:47:08,133 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@27f277b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 04:47:08, skipping insertion in model container [2024-09-23 16:47:08,133 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 04:47:08" (2/2) ... [2024-09-23 16:47:08,133 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34f72711 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 04:47:08, skipping insertion in model container [2024-09-23 16:47:08,133 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 04:47:08" (2/2) ... [2024-09-23 16:47:08,155 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-23 16:47:08,156 INFO L1541 ArrayList]: Location invariant before [L714-L715] (0 <= pqb.occupied) && (pqb.occupied <= 1000) [2024-09-23 16:47:08,193 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-23 16:47:08,413 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i[1115,1128] [2024-09-23 16:47:08,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 16:47:08,595 INFO L200 MainTranslator]: Completed pre-run [2024-09-23 16:47:08,608 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i[1115,1128] Start Parsing Local [2024-09-23 16:47:08,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 16:47:08,733 INFO L204 MainTranslator]: Completed translation [2024-09-23 16:47:08,734 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 04:47:08 WrapperNode [2024-09-23 16:47:08,734 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-23 16:47:08,735 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-23 16:47:08,735 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-23 16:47:08,735 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-23 16:47:08,742 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 23.09 04:47:08" (1/1) ... [2024-09-23 16:47:08,759 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 23.09 04:47:08" (1/1) ... [2024-09-23 16:47:08,803 INFO L138 Inliner]: procedures = 165, calls = 96, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 295 [2024-09-23 16:47:08,803 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-23 16:47:08,804 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-23 16:47:08,804 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-23 16:47:08,804 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-23 16:47:08,813 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 04:47:08" (1/1) ... [2024-09-23 16:47:08,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 04:47:08" (1/1) ... [2024-09-23 16:47:08,818 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 04:47:08" (1/1) ... [2024-09-23 16:47:08,818 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 04:47:08" (1/1) ... [2024-09-23 16:47:08,829 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 04:47:08" (1/1) ... [2024-09-23 16:47:08,833 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 04:47:08" (1/1) ... [2024-09-23 16:47:08,835 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 04:47:08" (1/1) ... [2024-09-23 16:47:08,837 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 04:47:08" (1/1) ... [2024-09-23 16:47:08,841 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-23 16:47:08,841 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-23 16:47:08,842 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-23 16:47:08,842 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-23 16:47:08,843 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 04:47:08" (1/1) ... [2024-09-23 16:47:08,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 16:47:08,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 16:47:08,869 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) [2024-09-23 16:47:08,871 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 [2024-09-23 16:47:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-23 16:47:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure worker [2024-09-23 16:47:08,914 INFO L138 BoogieDeclarations]: Found implementation of procedure worker [2024-09-23 16:47:08,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-23 16:47:08,915 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-09-23 16:47:08,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-23 16:47:08,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-23 16:47:08,915 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-09-23 16:47:08,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-23 16:47:08,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-23 16:47:08,917 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-23 16:47:09,035 INFO L242 CfgBuilder]: Building ICFG [2024-09-23 16:47:09,037 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-23 16:47:09,441 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-23 16:47:09,441 INFO L291 CfgBuilder]: Performing block encoding [2024-09-23 16:47:10,109 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-23 16:47:10,109 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-23 16:47:10,110 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 04:47:10 BoogieIcfgContainer [2024-09-23 16:47:10,110 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-23 16:47:10,112 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-23 16:47:10,114 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-23 16:47:10,117 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-23 16:47:10,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.09 04:47:08" (1/4) ... [2024-09-23 16:47:10,119 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5212da0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.09 04:47:10, skipping insertion in model container [2024-09-23 16:47:10,119 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 04:47:08" (2/4) ... [2024-09-23 16:47:10,120 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5212da0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.09 04:47:10, skipping insertion in model container [2024-09-23 16:47:10,120 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 04:47:08" (3/4) ... [2024-09-23 16:47:10,121 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5212da0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.09 04:47:10, skipping insertion in model container [2024-09-23 16:47:10,121 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 04:47:10" (4/4) ... [2024-09-23 16:47:10,122 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_68-pfscan_protected_loop_minimal_interval_true.i [2024-09-23 16:47:10,140 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-23 16:47:10,140 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-09-23 16:47:10,140 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-23 16:47:10,176 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-09-23 16:47:10,219 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 16:47:10,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-23 16:47:10,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 16:47:10,222 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) [2024-09-23 16:47:10,223 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 [2024-09-23 16:47:10,256 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-23 16:47:10,269 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == workerThread1of1ForFork0 ======== [2024-09-23 16:47:10,275 INFO L336 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@15a5eb7b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 16:47:10,276 INFO L337 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-09-23 16:47:10,432 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting workerErr1ASSERT_VIOLATIONERROR_FUNCTION === [workerErr0ASSERT_VIOLATIONERROR_FUNCTION, workerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-23 16:47:10,436 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 16:47:10,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1375688250, now seen corresponding path program 1 times [2024-09-23 16:47:10,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 16:47:10,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715283656] [2024-09-23 16:47:10,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 16:47:10,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 16:47:10,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 16:47:11,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 16:47:11,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 16:47:11,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715283656] [2024-09-23 16:47:11,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715283656] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 16:47:11,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 16:47:11,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-23 16:47:11,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663235232] [2024-09-23 16:47:11,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 16:47:11,192 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-23 16:47:11,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 16:47:11,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-23 16:47:11,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-09-23 16:47:11,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 16:47:11,218 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 16:47:11,219 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-23 16:47:11,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 16:47:11,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:11,359 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-23 16:47:11,359 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting workerErr1ASSERT_VIOLATIONERROR_FUNCTION === [workerErr0ASSERT_VIOLATIONERROR_FUNCTION, workerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-23 16:47:11,359 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 16:47:11,359 INFO L85 PathProgramCache]: Analyzing trace with hash -199972420, now seen corresponding path program 1 times [2024-09-23 16:47:11,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 16:47:11,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883082415] [2024-09-23 16:47:11,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 16:47:11,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 16:47:11,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 16:47:11,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 16:47:11,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 16:47:11,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883082415] [2024-09-23 16:47:11,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883082415] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 16:47:11,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 16:47:11,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-23 16:47:11,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111707236] [2024-09-23 16:47:11,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 16:47:11,500 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-23 16:47:11,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 16:47:11,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-23 16:47:11,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-23 16:47:11,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 16:47:11,502 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 16:47:11,503 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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) [2024-09-23 16:47:11,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:11,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 16:47:11,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:11,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 16:47:11,822 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-23 16:47:11,823 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [workerErr0ASSERT_VIOLATIONERROR_FUNCTION, workerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-23 16:47:11,823 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 16:47:11,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1665347968, now seen corresponding path program 1 times [2024-09-23 16:47:11,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 16:47:11,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950934167] [2024-09-23 16:47:11,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 16:47:11,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 16:47:11,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 16:47:12,013 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 16:47:12,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 16:47:12,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950934167] [2024-09-23 16:47:12,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950934167] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 16:47:12,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 16:47:12,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-23 16:47:12,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957762960] [2024-09-23 16:47:12,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 16:47:12,015 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-23 16:47:12,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 16:47:12,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-23 16:47:12,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-23 16:47:12,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 16:47:12,016 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 16:47:12,018 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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) [2024-09-23 16:47:12,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:12,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 16:47:12,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 16:47:12,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:12,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 16:47:12,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:12,133 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-23 16:47:12,133 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [workerErr0ASSERT_VIOLATIONERROR_FUNCTION, workerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-23 16:47:12,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 16:47:12,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1921029151, now seen corresponding path program 1 times [2024-09-23 16:47:12,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 16:47:12,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803525456] [2024-09-23 16:47:12,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 16:47:12,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 16:47:12,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 16:47:12,707 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 16:47:12,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 16:47:12,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803525456] [2024-09-23 16:47:12,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803525456] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 16:47:12,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1732209578] [2024-09-23 16:47:12,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 16:47:12,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 16:47:12,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 16:47:12,730 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-23 16:47:12,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-23 16:47:12,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 16:47:12,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-09-23 16:47:12,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 16:47:13,009 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-09-23 16:47:13,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-09-23 16:47:13,357 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-09-23 16:47:13,383 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 16:47:13,383 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 16:47:14,109 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 16:47:14,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1732209578] provided 1 perfect and 1 imperfect interpolant sequences [2024-09-23 16:47:14,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-09-23 16:47:14,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10, 6] total 22 [2024-09-23 16:47:14,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652439150] [2024-09-23 16:47:14,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 16:47:14,110 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-23 16:47:14,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 16:47:14,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-23 16:47:14,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=353, Unknown=0, NotChecked=0, Total=462 [2024-09-23 16:47:14,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 16:47:14,114 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 16:47:14,114 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 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) [2024-09-23 16:47:14,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:14,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 16:47:14,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:14,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 16:47:14,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:14,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 16:47:14,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:14,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:14,322 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-09-23 16:47:14,505 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 16:47:14,505 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting workerErr1ASSERT_VIOLATIONERROR_FUNCTION === [workerErr0ASSERT_VIOLATIONERROR_FUNCTION, workerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-23 16:47:14,506 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 16:47:14,506 INFO L85 PathProgramCache]: Analyzing trace with hash -976021844, now seen corresponding path program 1 times [2024-09-23 16:47:14,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 16:47:14,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404298003] [2024-09-23 16:47:14,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 16:47:14,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 16:47:14,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 16:47:15,507 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 16:47:15,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 16:47:15,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404298003] [2024-09-23 16:47:15,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404298003] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 16:47:15,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2073006275] [2024-09-23 16:47:15,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 16:47:15,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 16:47:15,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 16:47:15,511 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-23 16:47:15,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-23 16:47:15,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 16:47:15,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-09-23 16:47:15,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 16:47:15,874 INFO L349 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2024-09-23 16:47:15,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 35 [2024-09-23 16:47:16,124 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-23 16:47:16,125 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 54 [2024-09-23 16:47:16,153 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-09-23 16:47:16,153 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 16:47:16,291 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-09-23 16:47:16,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2073006275] provided 1 perfect and 1 imperfect interpolant sequences [2024-09-23 16:47:16,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-09-23 16:47:16,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13, 9] total 24 [2024-09-23 16:47:16,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276744074] [2024-09-23 16:47:16,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 16:47:16,292 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-23 16:47:16,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 16:47:16,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-23 16:47:16,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=475, Unknown=0, NotChecked=0, Total=552 [2024-09-23 16:47:16,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 16:47:16,296 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 16:47:16,296 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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) [2024-09-23 16:47:16,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:16,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 16:47:16,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:16,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:16,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 16:47:16,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:16,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 16:47:16,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:16,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:16,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 16:47:16,808 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-09-23 16:47:16,991 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 16:47:16,991 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [workerErr0ASSERT_VIOLATIONERROR_FUNCTION, workerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-23 16:47:16,992 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 16:47:16,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1416956926, now seen corresponding path program 1 times [2024-09-23 16:47:16,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 16:47:16,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405197956] [2024-09-23 16:47:16,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 16:47:16,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 16:47:17,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 16:47:17,667 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 16:47:17,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 16:47:17,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405197956] [2024-09-23 16:47:17,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405197956] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 16:47:17,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [164262795] [2024-09-23 16:47:17,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 16:47:17,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 16:47:17,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 16:47:17,671 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-23 16:47:17,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-23 16:47:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 16:47:17,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-09-23 16:47:17,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 16:47:18,003 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-09-23 16:47:18,125 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2024-09-23 16:47:18,220 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-09-23 16:47:18,229 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 16:47:18,229 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 16:47:18,432 INFO L349 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2024-09-23 16:47:18,432 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 29 [2024-09-23 16:47:18,480 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 16:47:18,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [164262795] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 16:47:18,482 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 16:47:18,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10, 10] total 27 [2024-09-23 16:47:18,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82565477] [2024-09-23 16:47:18,483 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 16:47:18,483 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-09-23 16:47:18,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 16:47:18,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-09-23 16:47:18,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=579, Unknown=0, NotChecked=0, Total=702 [2024-09-23 16:47:18,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 16:47:18,486 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 16:47:18,487 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 4.111111111111111) internal successors, (111), 27 states have internal predecessors, (111), 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) [2024-09-23 16:47:18,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:18,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 16:47:18,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:18,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:18,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 16:47:18,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 16:47:19,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:19,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 16:47:19,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:19,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:19,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 16:47:19,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-23 16:47:19,363 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-09-23 16:47:19,546 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 16:47:19,547 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [workerErr0ASSERT_VIOLATIONERROR_FUNCTION, workerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-23 16:47:19,548 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 16:47:19,548 INFO L85 PathProgramCache]: Analyzing trace with hash -189099554, now seen corresponding path program 1 times [2024-09-23 16:47:19,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 16:47:19,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922435921] [2024-09-23 16:47:19,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 16:47:19,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 16:47:19,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 16:47:19,834 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 136 proven. 6 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-09-23 16:47:19,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 16:47:19,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922435921] [2024-09-23 16:47:19,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922435921] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 16:47:19,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1440416692] [2024-09-23 16:47:19,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 16:47:19,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 16:47:19,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 16:47:19,838 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-23 16:47:19,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-23 16:47:20,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 16:47:20,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-09-23 16:47:20,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 16:47:20,271 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2024-09-23 16:47:20,375 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-09-23 16:47:20,390 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-09-23 16:47:20,391 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-23 16:47:20,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1440416692] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 16:47:20,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-23 16:47:20,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 15 [2024-09-23 16:47:20,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092552598] [2024-09-23 16:47:20,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 16:47:20,392 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-23 16:47:20,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 16:47:20,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-23 16:47:20,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-09-23 16:47:20,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 16:47:20,393 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 16:47:20,393 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 8 states have internal predecessors, (58), 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) [2024-09-23 16:47:20,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:20,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 16:47:20,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:20,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:20,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 16:47:20,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-23 16:47:20,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 16:47:20,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:20,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 16:47:20,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:20,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:20,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 16:47:20,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-23 16:47:20,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 16:47:20,749 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-09-23 16:47:20,937 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-09-23 16:47:20,938 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [workerErr0ASSERT_VIOLATIONERROR_FUNCTION, workerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-23 16:47:20,938 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 16:47:20,938 INFO L85 PathProgramCache]: Analyzing trace with hash 995920035, now seen corresponding path program 2 times [2024-09-23 16:47:20,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 16:47:20,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990307347] [2024-09-23 16:47:20,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 16:47:20,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 16:47:21,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 16:47:21,293 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 159 proven. 10 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2024-09-23 16:47:21,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 16:47:21,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990307347] [2024-09-23 16:47:21,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990307347] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 16:47:21,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [396563277] [2024-09-23 16:47:21,295 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-23 16:47:21,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 16:47:21,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 16:47:21,297 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-23 16:47:21,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-09-23 16:47:21,551 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-23 16:47:21,552 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-23 16:47:21,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-09-23 16:47:21,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 16:47:21,955 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-09-23 16:47:21,973 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 137 proven. 32 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2024-09-23 16:47:21,974 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 16:47:22,043 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-09-23 16:47:22,044 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2024-09-23 16:47:22,084 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 159 proven. 10 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2024-09-23 16:47:22,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [396563277] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 16:47:22,085 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 16:47:22,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 16 [2024-09-23 16:47:22,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723117849] [2024-09-23 16:47:22,086 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 16:47:22,086 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-09-23 16:47:22,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 16:47:22,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-09-23 16:47:22,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2024-09-23 16:47:22,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 16:47:22,088 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 16:47:22,088 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.8125) internal successors, (125), 16 states have internal predecessors, (125), 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) [2024-09-23 16:47:22,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:22,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 16:47:22,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:22,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:22,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 16:47:22,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-23 16:47:22,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 16:47:22,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 16:47:22,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:22,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 16:47:22,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:22,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:22,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 16:47:22,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-23 16:47:22,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 16:47:22,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 16:47:22,530 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-09-23 16:47:22,712 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 16:47:22,712 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [workerErr0ASSERT_VIOLATIONERROR_FUNCTION, workerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-23 16:47:22,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 16:47:22,713 INFO L85 PathProgramCache]: Analyzing trace with hash 843125384, now seen corresponding path program 3 times [2024-09-23 16:47:22,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 16:47:22,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964064974] [2024-09-23 16:47:22,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 16:47:22,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 16:47:22,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 16:47:23,646 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 103 proven. 6 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2024-09-23 16:47:23,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 16:47:23,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964064974] [2024-09-23 16:47:23,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964064974] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 16:47:23,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843988350] [2024-09-23 16:47:23,650 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-23 16:47:23,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 16:47:23,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 16:47:23,654 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-23 16:47:23,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-09-23 16:47:23,884 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-09-23 16:47:23,885 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-23 16:47:23,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-09-23 16:47:23,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 16:47:24,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-09-23 16:47:24,356 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 61 proven. 20 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-09-23 16:47:24,356 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 16:47:24,502 INFO L349 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2024-09-23 16:47:24,503 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 70 treesize of output 50 [2024-09-23 16:47:24,552 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 77 proven. 4 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-09-23 16:47:24,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [843988350] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 16:47:24,553 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 16:47:24,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8, 8] total 24 [2024-09-23 16:47:24,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119060881] [2024-09-23 16:47:24,554 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 16:47:24,555 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-09-23 16:47:24,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 16:47:24,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-09-23 16:47:24,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=471, Unknown=0, NotChecked=0, Total=552 [2024-09-23 16:47:24,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 16:47:24,556 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 16:47:24,557 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 5.0) internal successors, (120), 24 states have internal predecessors, (120), 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) [2024-09-23 16:47:24,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:24,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 16:47:24,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:24,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:24,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 16:47:24,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-23 16:47:24,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 16:47:24,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 16:47:24,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 16:47:25,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:25,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 16:47:25,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:25,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:25,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 16:47:25,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-23 16:47:25,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 16:47:25,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 16:47:25,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-23 16:47:25,842 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-09-23 16:47:26,029 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-09-23 16:47:26,030 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [workerErr0ASSERT_VIOLATIONERROR_FUNCTION, workerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-23 16:47:26,030 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 16:47:26,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1937300958, now seen corresponding path program 4 times [2024-09-23 16:47:26,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 16:47:26,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690417466] [2024-09-23 16:47:26,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 16:47:26,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 16:47:26,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 16:47:26,823 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 385 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2024-09-23 16:47:26,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 16:47:26,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690417466] [2024-09-23 16:47:26,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690417466] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 16:47:26,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 16:47:26,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-09-23 16:47:26,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287091875] [2024-09-23 16:47:26,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 16:47:26,825 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-23 16:47:26,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 16:47:26,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-23 16:47:26,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-09-23 16:47:26,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 16:47:26,826 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 16:47:26,826 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 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) [2024-09-23 16:47:26,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:26,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 16:47:26,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:26,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:26,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 16:47:26,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-23 16:47:26,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 16:47:26,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 16:47:26,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-23 16:47:26,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 16:47:27,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:27,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 16:47:27,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:27,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:27,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 16:47:27,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-23 16:47:27,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 16:47:27,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 16:47:27,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-23 16:47:27,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 16:47:27,180 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-09-23 16:47:27,180 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [workerErr0ASSERT_VIOLATIONERROR_FUNCTION, workerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-23 16:47:27,180 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 16:47:27,180 INFO L85 PathProgramCache]: Analyzing trace with hash -2071452932, now seen corresponding path program 2 times [2024-09-23 16:47:27,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 16:47:27,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669244950] [2024-09-23 16:47:27,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 16:47:27,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 16:47:27,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 16:47:31,603 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 391 proven. 156 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-09-23 16:47:31,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 16:47:31,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669244950] [2024-09-23 16:47:31,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669244950] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 16:47:31,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1333071342] [2024-09-23 16:47:31,604 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-23 16:47:31,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 16:47:31,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 16:47:31,607 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-23 16:47:31,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-09-23 16:47:31,981 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-23 16:47:31,981 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-23 16:47:31,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 851 conjuncts, 115 conjuncts are in the unsatisfiable core [2024-09-23 16:47:31,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 16:47:32,400 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2024-09-23 16:47:32,659 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2024-09-23 16:47:32,698 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2024-09-23 16:47:32,793 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2024-09-23 16:47:33,027 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2024-09-23 16:47:33,101 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2024-09-23 16:47:33,254 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2024-09-23 16:47:33,459 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2024-09-23 16:47:33,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2024-09-23 16:47:33,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2024-09-23 16:47:33,674 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 388 proven. 165 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-09-23 16:47:33,674 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 16:47:34,359 INFO L349 Elim1Store]: treesize reduction 4, result has 88.2 percent of original size [2024-09-23 16:47:34,360 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 358 treesize of output 323 [2024-09-23 16:47:34,423 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 421 proven. 124 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-09-23 16:47:34,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1333071342] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 16:47:34,423 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 16:47:34,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 23, 17] total 58 [2024-09-23 16:47:34,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761466712] [2024-09-23 16:47:34,424 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 16:47:34,427 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-09-23 16:47:34,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 16:47:34,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-09-23 16:47:34,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=719, Invalid=2587, Unknown=0, NotChecked=0, Total=3306 [2024-09-23 16:47:34,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 16:47:34,430 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 16:47:34,430 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 4.810344827586207) internal successors, (279), 58 states have internal predecessors, (279), 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) [2024-09-23 16:47:34,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:34,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 16:47:34,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:34,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:34,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 16:47:34,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-23 16:47:34,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 16:47:34,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 16:47:34,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-23 16:47:34,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 16:47:34,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 16:47:40,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:40,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 16:47:40,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:40,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:47:40,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 16:47:40,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-23 16:47:40,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 16:47:40,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 16:47:40,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-09-23 16:47:40,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 16:47:40,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-09-23 16:47:40,815 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-09-23 16:47:40,997 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 16:47:40,998 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [workerErr0ASSERT_VIOLATIONERROR_FUNCTION, workerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-23 16:47:40,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 16:47:40,998 INFO L85 PathProgramCache]: Analyzing trace with hash -493591413, now seen corresponding path program 3 times [2024-09-23 16:47:40,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 16:47:40,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170423192] [2024-09-23 16:47:40,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 16:47:40,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 16:47:41,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 16:48:31,229 INFO L134 CoverageAnalysis]: Checked inductivity of 7819 backedges. 269 proven. 6943 refuted. 0 times theorem prover too weak. 607 trivial. 0 not checked. [2024-09-23 16:48:31,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 16:48:31,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170423192] [2024-09-23 16:48:31,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170423192] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 16:48:31,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [320027561] [2024-09-23 16:48:31,230 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-23 16:48:31,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 16:48:31,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 16:48:31,232 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-23 16:48:31,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-09-23 16:48:31,792 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-09-23 16:48:31,792 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-23 16:48:31,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-09-23 16:48:31,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 16:48:32,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-09-23 16:48:32,482 INFO L134 CoverageAnalysis]: Checked inductivity of 7819 backedges. 294 proven. 27 refuted. 0 times theorem prover too weak. 7498 trivial. 0 not checked. [2024-09-23 16:48:32,482 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 16:48:32,547 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2024-09-23 16:48:32,586 INFO L134 CoverageAnalysis]: Checked inductivity of 7819 backedges. 321 proven. 0 refuted. 0 times theorem prover too weak. 7498 trivial. 0 not checked. [2024-09-23 16:48:32,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [320027561] provided 1 perfect and 1 imperfect interpolant sequences [2024-09-23 16:48:32,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-09-23 16:48:32,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [50, 5] total 58 [2024-09-23 16:48:32,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830051322] [2024-09-23 16:48:32,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 16:48:32,587 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-23 16:48:32,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 16:48:32,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-23 16:48:32,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=305, Invalid=3001, Unknown=0, NotChecked=0, Total=3306 [2024-09-23 16:48:32,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 16:48:32,589 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 16:48:32,589 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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) [2024-09-23 16:48:32,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:48:32,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 16:48:32,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:48:32,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:48:32,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 16:48:32,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-23 16:48:32,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 16:48:32,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 16:48:32,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-09-23 16:48:32,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 16:48:32,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-09-23 16:48:32,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 16:48:36,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:48:36,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 16:48:36,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:48:36,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:48:36,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 16:48:36,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-23 16:48:36,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 16:48:36,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 16:48:36,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-09-23 16:48:36,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 16:48:36,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-09-23 16:48:36,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 16:48:36,094 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-09-23 16:48:36,276 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 16:48:36,277 INFO L399 AbstractCegarLoop]: === Iteration 13 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [workerErr0ASSERT_VIOLATIONERROR_FUNCTION, workerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-23 16:48:36,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 16:48:36,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1502228501, now seen corresponding path program 4 times [2024-09-23 16:48:36,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 16:48:36,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097400136] [2024-09-23 16:48:36,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 16:48:36,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 16:48:36,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 16:49:16,122 INFO L134 CoverageAnalysis]: Checked inductivity of 7502 backedges. 150 proven. 6988 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-09-23 16:49:16,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 16:49:16,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097400136] [2024-09-23 16:49:16,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097400136] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 16:49:16,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1431200184] [2024-09-23 16:49:16,123 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-23 16:49:16,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 16:49:16,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 16:49:16,125 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-23 16:49:16,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-09-23 16:49:16,859 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-23 16:49:16,859 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-23 16:49:16,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 1985 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-09-23 16:49:16,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 16:49:16,930 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-09-23 16:49:16,994 INFO L134 CoverageAnalysis]: Checked inductivity of 7502 backedges. 2836 proven. 0 refuted. 0 times theorem prover too weak. 4666 trivial. 0 not checked. [2024-09-23 16:49:16,994 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-23 16:49:16,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1431200184] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 16:49:16,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-23 16:49:16,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [54] total 58 [2024-09-23 16:49:16,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705144805] [2024-09-23 16:49:16,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 16:49:16,995 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-23 16:49:16,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 16:49:16,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-23 16:49:16,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=359, Invalid=2947, Unknown=0, NotChecked=0, Total=3306 [2024-09-23 16:49:16,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 16:49:16,998 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 16:49:16,998 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) 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) [2024-09-23 16:49:16,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:49:16,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 16:49:16,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:49:16,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:49:16,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 16:49:16,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-23 16:49:16,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 16:49:16,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 16:49:16,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-09-23 16:49:16,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 16:49:16,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-09-23 16:49:16,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 16:49:16,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 16:49:17,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:49:17,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 16:49:17,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:49:17,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:49:17,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 16:49:17,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-23 16:49:17,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 16:49:17,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 16:49:17,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-09-23 16:49:17,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 16:49:17,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-09-23 16:49:17,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 16:49:17,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 16:49:17,230 INFO L785 garLoopResultBuilder]: Registering result SAFE for location workerErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-09-23 16:49:17,231 INFO L785 garLoopResultBuilder]: Registering result SAFE for location workerErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-09-23 16:49:17,246 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-09-23 16:49:17,431 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-09-23 16:49:17,437 INFO L408 BasicCegarLoop]: Path program histogram: [4, 4, 1, 1, 1, 1, 1] [2024-09-23 16:49:17,438 INFO L312 ceAbstractionStarter]: Result for error location workerThread1of1ForFork0 was SAFE,SAFE (1/2) [2024-09-23 16:49:17,441 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 16:49:17,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-23 16:49:17,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 16:49:17,442 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-23 16:49:17,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (12)] Waiting until timeout for monitored process [2024-09-23 16:49:17,448 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-23 16:49:17,449 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-23 16:49:17,449 INFO L336 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@15a5eb7b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 16:49:17,450 INFO L337 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-09-23 16:49:17,515 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-23 16:49:17,515 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 16:49:17,515 INFO L85 PathProgramCache]: Analyzing trace with hash 605282881, now seen corresponding path program 1 times [2024-09-23 16:49:17,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 16:49:17,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399267121] [2024-09-23 16:49:17,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 16:49:17,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 16:49:17,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 16:49:17,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 16:49:17,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 16:49:17,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399267121] [2024-09-23 16:49:17,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399267121] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 16:49:17,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 16:49:17,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-09-23 16:49:17,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159458441] [2024-09-23 16:49:17,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 16:49:17,634 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-23 16:49:17,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 16:49:17,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-23 16:49:17,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-23 16:49:17,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 16:49:17,635 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 16:49:17,635 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2024-09-23 16:49:17,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 16:49:17,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 16:49:17,686 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-09-23 16:49:17,686 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-23 16:49:17,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 16:49:17,686 INFO L85 PathProgramCache]: Analyzing trace with hash 590152703, now seen corresponding path program 1 times [2024-09-23 16:49:17,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 16:49:17,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707611596] [2024-09-23 16:49:17,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 16:49:17,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 16:49:17,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 16:49:17,855 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 16:49:17,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 16:49:17,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707611596] [2024-09-23 16:49:17,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707611596] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 16:49:17,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 16:49:17,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-23 16:49:17,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334685463] [2024-09-23 16:49:17,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 16:49:17,856 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-23 16:49:17,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 16:49:17,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-23 16:49:17,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-23 16:49:17,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 16:49:17,857 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 16:49:17,857 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-23 16:49:17,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 16:49:17,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 16:49:17,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 16:49:17,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:49:17,978 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-09-23 16:49:17,978 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-23 16:49:17,979 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 16:49:17,979 INFO L85 PathProgramCache]: Analyzing trace with hash -2060626204, now seen corresponding path program 1 times [2024-09-23 16:49:17,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 16:49:17,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352726728] [2024-09-23 16:49:17,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 16:49:17,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 16:49:18,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 16:49:18,056 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 16:49:18,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 16:49:18,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352726728] [2024-09-23 16:49:18,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352726728] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 16:49:18,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 16:49:18,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-23 16:49:18,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872342929] [2024-09-23 16:49:18,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 16:49:18,057 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-23 16:49:18,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 16:49:18,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-23 16:49:18,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-23 16:49:18,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 16:49:18,057 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 16:49:18,057 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-23 16:49:18,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 16:49:18,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:49:18,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 16:49:18,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 16:49:18,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:49:18,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:49:18,120 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-09-23 16:49:18,120 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-23 16:49:18,120 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 16:49:18,120 INFO L85 PathProgramCache]: Analyzing trace with hash 598316963, now seen corresponding path program 1 times [2024-09-23 16:49:18,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 16:49:18,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368574987] [2024-09-23 16:49:18,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 16:49:18,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 16:49:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 16:49:18,406 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 16:49:18,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 16:49:18,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368574987] [2024-09-23 16:49:18,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368574987] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 16:49:18,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [259653802] [2024-09-23 16:49:18,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 16:49:18,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 16:49:18,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 16:49:18,409 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-23 16:49:18,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-09-23 16:49:18,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 16:49:18,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-09-23 16:49:18,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 16:49:18,655 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-09-23 16:49:18,764 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-09-23 16:49:18,830 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-09-23 16:49:18,848 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 16:49:18,848 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 16:49:19,274 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 16:49:19,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [259653802] provided 1 perfect and 1 imperfect interpolant sequences [2024-09-23 16:49:19,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-09-23 16:49:19,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4, 5] total 16 [2024-09-23 16:49:19,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688844114] [2024-09-23 16:49:19,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 16:49:19,275 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-23 16:49:19,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 16:49:19,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-23 16:49:19,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=196, Unknown=0, NotChecked=0, Total=306 [2024-09-23 16:49:19,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 16:49:19,276 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 16:49:19,276 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-23 16:49:19,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 16:49:19,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:49:19,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:49:19,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 16:49:20,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 16:49:20,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 16:49:20,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:49:20,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 16:49:20,755 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-09-23 16:49:20,755 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-09-23 16:49:20,772 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-09-23 16:49:20,956 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-09-23 16:49:20,957 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-09-23 16:49:20,957 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE (2/2) [2024-09-23 16:49:20,958 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-23 16:49:20,958 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-23 16:49:20,960 INFO L469 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-09-23 16:49:20,960 INFO L470 ceAbstractionStarter]: WitnessConsidered=1 [2024-09-23 16:49:20,961 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.09 04:49:20 BasicIcfg [2024-09-23 16:49:20,961 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-23 16:49:20,962 INFO L158 Benchmark]: Toolchain (without parser) took 132838.89ms. Allocated memory was 148.9MB in the beginning and 3.4GB in the end (delta: 3.2GB). Free memory was 120.4MB in the beginning and 2.7GB in the end (delta: -2.6GB). Peak memory consumption was 650.1MB. Max. memory is 16.1GB. [2024-09-23 16:49:20,962 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 96.5MB. Free memory is still 51.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 16:49:20,962 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 148.9MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 16:49:20,962 INFO L158 Benchmark]: CACSL2BoogieTranslator took 610.33ms. Allocated memory is still 148.9MB. Free memory was 119.9MB in the beginning and 103.9MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-23 16:49:20,962 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.34ms. Allocated memory is still 148.9MB. Free memory was 103.9MB in the beginning and 100.7MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-23 16:49:20,962 INFO L158 Benchmark]: Boogie Preprocessor took 36.72ms. Allocated memory is still 148.9MB. Free memory was 100.7MB in the beginning and 98.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-23 16:49:20,963 INFO L158 Benchmark]: RCFGBuilder took 1268.40ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 98.6MB in the beginning and 93.6MB in the end (delta: 5.1MB). Peak memory consumption was 77.5MB. Max. memory is 16.1GB. [2024-09-23 16:49:20,963 INFO L158 Benchmark]: TraceAbstraction took 130849.69ms. Allocated memory was 180.4MB in the beginning and 3.4GB in the end (delta: 3.2GB). Free memory was 92.5MB in the beginning and 2.7GB in the end (delta: -2.6GB). Peak memory consumption was 590.3MB. Max. memory is 16.1GB. [2024-09-23 16:49:20,964 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 96.5MB. Free memory is still 51.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 148.9MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 610.33ms. Allocated memory is still 148.9MB. Free memory was 119.9MB in the beginning and 103.9MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.34ms. Allocated memory is still 148.9MB. Free memory was 103.9MB in the beginning and 100.7MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.72ms. Allocated memory is still 148.9MB. Free memory was 100.7MB in the beginning and 98.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1268.40ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 98.6MB in the beginning and 93.6MB in the end (delta: 5.1MB). Peak memory consumption was 77.5MB. Max. memory is 16.1GB. * TraceAbstraction took 130849.69ms. Allocated memory was 180.4MB in the beginning and 3.4GB in the end (delta: 3.2GB). Free memory was 92.5MB in the beginning and 2.7GB in the end (delta: -2.6GB). Peak memory consumption was 590.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11017, independent: 8513, independent conditional: 7824, independent unconditional: 689, dependent: 2504, dependent conditional: 2486, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8874, independent: 8513, independent conditional: 7824, independent unconditional: 689, dependent: 361, dependent conditional: 343, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8874, independent: 8513, independent conditional: 7824, independent unconditional: 689, dependent: 361, dependent conditional: 343, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12039, independent: 8513, independent conditional: 7824, independent unconditional: 689, dependent: 3526, dependent conditional: 3508, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 12039, independent: 8513, independent conditional: 142, independent unconditional: 8371, dependent: 3526, dependent conditional: 2921, dependent unconditional: 605, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12039, independent: 8513, independent conditional: 142, independent unconditional: 8371, dependent: 3526, dependent conditional: 2921, dependent unconditional: 605, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 821, independent: 514, independent conditional: 43, independent unconditional: 471, dependent: 307, dependent conditional: 287, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 821, independent: 465, independent conditional: 0, independent unconditional: 465, dependent: 356, dependent conditional: 0, dependent unconditional: 356, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 356, independent: 49, independent conditional: 43, independent unconditional: 6, dependent: 307, dependent conditional: 287, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 356, independent: 49, independent conditional: 43, independent unconditional: 6, dependent: 307, dependent conditional: 287, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4876, independent: 197, independent conditional: 150, independent unconditional: 47, dependent: 4679, dependent conditional: 4312, dependent unconditional: 367, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 12039, independent: 7999, independent conditional: 99, independent unconditional: 7900, dependent: 3219, dependent conditional: 2634, dependent unconditional: 585, unknown: 821, unknown conditional: 330, unknown unconditional: 491] , Statistics on independence cache: Total cache size (in pairs): 821, Positive cache size: 514, Positive conditional cache size: 43, Positive unconditional cache size: 471, Negative cache size: 307, Negative conditional cache size: 287, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 8269, Maximal queried relation: 11, Independence queries for same thread: 2143, Persistent sets #1 benchmarks: Persistent set computation time: 0.5s, Number of persistent set computation: 219, Number of trivial persistent sets: 201, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 707, independent: 689, independent conditional: 0, independent unconditional: 689, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11017, independent: 8513, independent conditional: 7824, independent unconditional: 689, dependent: 2504, dependent conditional: 2486, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8874, independent: 8513, independent conditional: 7824, independent unconditional: 689, dependent: 361, dependent conditional: 343, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8874, independent: 8513, independent conditional: 7824, independent unconditional: 689, dependent: 361, dependent conditional: 343, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12039, independent: 8513, independent conditional: 7824, independent unconditional: 689, dependent: 3526, dependent conditional: 3508, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 12039, independent: 8513, independent conditional: 142, independent unconditional: 8371, dependent: 3526, dependent conditional: 2921, dependent unconditional: 605, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12039, independent: 8513, independent conditional: 142, independent unconditional: 8371, dependent: 3526, dependent conditional: 2921, dependent unconditional: 605, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 821, independent: 514, independent conditional: 43, independent unconditional: 471, dependent: 307, dependent conditional: 287, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 821, independent: 465, independent conditional: 0, independent unconditional: 465, dependent: 356, dependent conditional: 0, dependent unconditional: 356, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 356, independent: 49, independent conditional: 43, independent unconditional: 6, dependent: 307, dependent conditional: 287, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 356, independent: 49, independent conditional: 43, independent unconditional: 6, dependent: 307, dependent conditional: 287, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4876, independent: 197, independent conditional: 150, independent unconditional: 47, dependent: 4679, dependent conditional: 4312, dependent unconditional: 367, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 12039, independent: 7999, independent conditional: 99, independent unconditional: 7900, dependent: 3219, dependent conditional: 2634, dependent unconditional: 585, unknown: 821, unknown conditional: 330, unknown unconditional: 491] , Statistics on independence cache: Total cache size (in pairs): 821, Positive cache size: 514, Positive conditional cache size: 43, Positive unconditional cache size: 471, Negative cache size: 307, Negative conditional cache size: 287, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 8269, Maximal queried relation: 11, Independence queries for same thread: 2143 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1563, independent: 1390, independent conditional: 675, independent unconditional: 715, dependent: 173, dependent conditional: 155, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1440, independent: 1390, independent conditional: 675, independent unconditional: 715, dependent: 50, dependent conditional: 32, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1440, independent: 1390, independent conditional: 675, independent unconditional: 715, dependent: 50, dependent conditional: 32, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1514, independent: 1390, independent conditional: 675, independent unconditional: 715, dependent: 124, dependent conditional: 106, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1514, independent: 1390, independent conditional: 7, independent unconditional: 1383, dependent: 124, dependent conditional: 61, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1514, independent: 1390, independent conditional: 7, independent unconditional: 1383, dependent: 124, dependent conditional: 61, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 550, independent: 498, independent conditional: 3, independent unconditional: 495, dependent: 52, dependent conditional: 32, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 550, independent: 489, independent conditional: 0, independent unconditional: 489, dependent: 61, dependent conditional: 0, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 61, independent: 9, independent conditional: 3, independent unconditional: 6, dependent: 52, dependent conditional: 32, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, independent: 9, independent conditional: 3, independent unconditional: 6, dependent: 52, dependent conditional: 32, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1322, independent: 43, independent conditional: 17, independent unconditional: 27, dependent: 1278, dependent conditional: 874, dependent unconditional: 405, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1514, independent: 892, independent conditional: 4, independent unconditional: 888, dependent: 72, dependent conditional: 29, dependent unconditional: 43, unknown: 550, unknown conditional: 35, unknown unconditional: 515] , Statistics on independence cache: Total cache size (in pairs): 550, Positive cache size: 498, Positive conditional cache size: 3, Positive unconditional cache size: 495, Negative cache size: 52, Negative conditional cache size: 32, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 713, Maximal queried relation: 4, Independence queries for same thread: 123, Persistent sets #1 benchmarks: Persistent set computation time: 0.4s, Number of persistent set computation: 233, Number of trivial persistent sets: 218, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 733, independent: 715, independent conditional: 0, independent unconditional: 715, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1563, independent: 1390, independent conditional: 675, independent unconditional: 715, dependent: 173, dependent conditional: 155, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1440, independent: 1390, independent conditional: 675, independent unconditional: 715, dependent: 50, dependent conditional: 32, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1440, independent: 1390, independent conditional: 675, independent unconditional: 715, dependent: 50, dependent conditional: 32, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1514, independent: 1390, independent conditional: 675, independent unconditional: 715, dependent: 124, dependent conditional: 106, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1514, independent: 1390, independent conditional: 7, independent unconditional: 1383, dependent: 124, dependent conditional: 61, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1514, independent: 1390, independent conditional: 7, independent unconditional: 1383, dependent: 124, dependent conditional: 61, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 550, independent: 498, independent conditional: 3, independent unconditional: 495, dependent: 52, dependent conditional: 32, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 550, independent: 489, independent conditional: 0, independent unconditional: 489, dependent: 61, dependent conditional: 0, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 61, independent: 9, independent conditional: 3, independent unconditional: 6, dependent: 52, dependent conditional: 32, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, independent: 9, independent conditional: 3, independent unconditional: 6, dependent: 52, dependent conditional: 32, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1322, independent: 43, independent conditional: 17, independent unconditional: 27, dependent: 1278, dependent conditional: 874, dependent unconditional: 405, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1514, independent: 892, independent conditional: 4, independent unconditional: 888, dependent: 72, dependent conditional: 29, dependent unconditional: 43, unknown: 550, unknown conditional: 35, unknown unconditional: 515] , Statistics on independence cache: Total cache size (in pairs): 550, Positive cache size: 498, Positive conditional cache size: 3, Positive unconditional cache size: 495, Negative cache size: 52, Negative conditional cache size: 32, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 713, Maximal queried relation: 4, Independence queries for same thread: 123 - 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: 714]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: workerThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 57 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 127.2s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 14.7s, 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: 263, 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: 1.5s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 105.6s InterpolantComputationTime, 3736 NumberOfCodeBlocks, 2994 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 4806 ConstructedInterpolants, 4 QuantifiedInterpolants, 35181 SizeOfPredicates, 182 NumberOfNonLiveVariables, 5357 ConjunctsInSsa, 362 ConjunctsInUnsatCore, 29 InterpolantComputations, 9 PerfectInterpolantSequences, 28856/43475 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 57 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.8s, 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: 19, 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, 1.1s InterpolantComputationTime, 115 NumberOfCodeBlocks, 115 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 136 ConstructedInterpolants, 0 QuantifiedInterpolants, 2605 SizeOfPredicates, 12 NumberOfNonLiveVariables, 407 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 12/20 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-23 16:49:20,990 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (12)] Forceful destruction successful, exit code 0 [2024-09-23 16:49:21,192 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-09-23 16:49:21,392 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