./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/unroll-cond-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/unroll-cond-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4f5c6e2b4939ff0e3b5a44ab7f8c3e5d18f7e9fd12beb8fad487ea501e8fa48b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 12:14:54,708 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 12:14:54,831 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-08 12:14:54,835 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 12:14:54,836 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 12:14:54,872 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 12:14:54,873 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 12:14:54,874 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 12:14:54,875 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 12:14:54,876 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 12:14:54,877 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 12:14:54,878 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 12:14:54,878 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 12:14:54,880 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 12:14:54,881 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 12:14:54,881 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 12:14:54,881 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 12:14:54,882 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 12:14:54,882 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 12:14:54,882 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 12:14:54,883 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 12:14:54,887 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 12:14:54,888 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 12:14:54,888 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 12:14:54,888 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 12:14:54,889 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 12:14:54,889 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 12:14:54,889 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 12:14:54,889 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 12:14:54,890 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 12:14:54,890 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-08 12:14:54,891 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 12:14:54,892 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 12:14:54,892 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 12:14:54,892 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 12:14:54,893 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-08 12:14:54,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 12:14:54,893 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 12:14:54,893 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-08 12:14:54,894 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-08 12:14:54,894 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-08 12:14:54,894 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f5c6e2b4939ff0e3b5a44ab7f8c3e5d18f7e9fd12beb8fad487ea501e8fa48b [2024-11-08 12:14:55,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 12:14:55,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 12:14:55,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 12:14:55,223 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 12:14:55,224 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 12:14:55,225 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/../../sv-benchmarks/c/weaver/unroll-cond-2.wvr.c Unable to find full path for "g++" [2024-11-08 12:14:57,180 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 12:14:57,399 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 12:14:57,400 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/sv-benchmarks/c/weaver/unroll-cond-2.wvr.c [2024-11-08 12:14:57,407 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/data/3f14e861f/1bfad1fa8b1f4c9a89be7e3246a4dd9e/FLAG189e81c93 [2024-11-08 12:14:57,423 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/data/3f14e861f/1bfad1fa8b1f4c9a89be7e3246a4dd9e [2024-11-08 12:14:57,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 12:14:57,427 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 12:14:57,429 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 12:14:57,429 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 12:14:57,437 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 12:14:57,437 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:14:57" (1/1) ... [2024-11-08 12:14:57,439 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c8627c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:14:57, skipping insertion in model container [2024-11-08 12:14:57,439 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:14:57" (1/1) ... [2024-11-08 12:14:57,470 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 12:14:57,748 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/sv-benchmarks/c/weaver/unroll-cond-2.wvr.c[2500,2513] [2024-11-08 12:14:57,758 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:14:57,767 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 12:14:57,789 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/sv-benchmarks/c/weaver/unroll-cond-2.wvr.c[2500,2513] [2024-11-08 12:14:57,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:14:57,811 INFO L204 MainTranslator]: Completed translation [2024-11-08 12:14:57,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:14:57 WrapperNode [2024-11-08 12:14:57,812 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 12:14:57,813 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 12:14:57,813 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 12:14:57,813 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 12:14:57,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:14:57" (1/1) ... [2024-11-08 12:14:57,836 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:14:57" (1/1) ... [2024-11-08 12:14:57,874 INFO L138 Inliner]: procedures = 23, calls = 23, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 131 [2024-11-08 12:14:57,875 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 12:14:57,879 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 12:14:57,880 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 12:14:57,880 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 12:14:57,890 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:14:57" (1/1) ... [2024-11-08 12:14:57,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:14:57" (1/1) ... [2024-11-08 12:14:57,893 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:14:57" (1/1) ... [2024-11-08 12:14:57,895 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:14:57" (1/1) ... [2024-11-08 12:14:57,900 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:14:57" (1/1) ... [2024-11-08 12:14:57,904 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:14:57" (1/1) ... [2024-11-08 12:14:57,906 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:14:57" (1/1) ... [2024-11-08 12:14:57,907 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:14:57" (1/1) ... [2024-11-08 12:14:57,910 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 12:14:57,910 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 12:14:57,911 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 12:14:57,911 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 12:14:57,912 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:14:57" (1/1) ... [2024-11-08 12:14:57,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-08 12:14:57,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:14:57,946 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-08 12:14:57,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-08 12:14:57,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 12:14:57,978 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-08 12:14:57,978 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-08 12:14:57,978 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-08 12:14:57,978 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-08 12:14:57,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 12:14:57,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 12:14:57,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 12:14:57,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 12:14:57,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 12:14:57,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 12:14:57,984 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 12:14:58,081 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 12:14:58,084 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 12:14:58,375 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 12:14:58,375 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 12:14:58,745 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 12:14:58,745 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 12:14:58,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:14:58 BoogieIcfgContainer [2024-11-08 12:14:58,746 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 12:14:58,749 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 12:14:58,749 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 12:14:58,754 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 12:14:58,754 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 12:14:57" (1/3) ... [2024-11-08 12:14:58,755 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c395ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:14:58, skipping insertion in model container [2024-11-08 12:14:58,755 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:14:57" (2/3) ... [2024-11-08 12:14:58,756 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c395ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:14:58, skipping insertion in model container [2024-11-08 12:14:58,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:14:58" (3/3) ... [2024-11-08 12:14:58,757 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-2.wvr.c [2024-11-08 12:14:58,783 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 12:14:58,783 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 12:14:58,784 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 12:14:58,851 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-08 12:14:58,916 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:14:58,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-08 12:14:58,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:14:58,920 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-08 12:14:58,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-08 12:14:58,949 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-08 12:14:58,965 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-08 12:14:58,971 INFO L333 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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@45dcbb77, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:14:58,971 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-08 12:14:59,299 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 12:14:59,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:14:59,306 INFO L85 PathProgramCache]: Analyzing trace with hash 305215041, now seen corresponding path program 1 times [2024-11-08 12:14:59,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:14:59,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875045467] [2024-11-08 12:14:59,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:14:59,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:14:59,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:14:59,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:14:59,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:14:59,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875045467] [2024-11-08 12:14:59,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875045467] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:14:59,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:14:59,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:14:59,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247286702] [2024-11-08 12:14:59,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:14:59,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:14:59,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:14:59,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:14:59,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 12:14:59,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:14:59,842 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:14:59,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 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) [2024-11-08 12:14:59,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:14:59,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:14:59,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 12:14:59,931 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 12:14:59,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:14:59,932 INFO L85 PathProgramCache]: Analyzing trace with hash -571859996, now seen corresponding path program 1 times [2024-11-08 12:14:59,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:14:59,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129008700] [2024-11-08 12:14:59,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:14:59,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:14:59,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:15:00,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 12:15:00,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:15:00,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129008700] [2024-11-08 12:15:00,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129008700] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:15:00,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:15:00,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 12:15:00,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299161330] [2024-11-08 12:15:00,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:15:00,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 12:15:00,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:15:00,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 12:15:00,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:15:00,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:15:00,349 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:15:00,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) 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) [2024-11-08 12:15:00,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:15:00,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:15:00,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:15:00,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:15:00,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 12:15:00,488 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 12:15:00,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:15:00,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1134527713, now seen corresponding path program 1 times [2024-11-08 12:15:00,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:15:00,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291102469] [2024-11-08 12:15:00,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:15:00,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:15:00,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:15:00,845 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 12:15:00,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:15:00,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291102469] [2024-11-08 12:15:00,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291102469] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:15:00,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1127284447] [2024-11-08 12:15:00,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:15:00,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:15:00,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:15:00,859 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:15:00,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 12:15:00,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:15:00,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-08 12:15:00,973 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:15:01,091 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 15 treesize of output 1 [2024-11-08 12:15:01,480 INFO L349 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2024-11-08 12:15:01,481 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 5 new quantified variables, introduced 3 case distinctions, treesize of input 98 treesize of output 60 [2024-11-08 12:15:01,518 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:15:01,519 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:15:02,289 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 190 treesize of output 168 [2024-11-08 12:15:02,409 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:15:02,410 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 485 treesize of output 427 [2024-11-08 12:15:10,694 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:15:10,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1127284447] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:15:10,695 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:15:10,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 18 [2024-11-08 12:15:10,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161496123] [2024-11-08 12:15:10,696 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:15:10,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-08 12:15:10,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:15:10,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-08 12:15:10,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2024-11-08 12:15:10,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:15:10,698 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:15:10,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.388888888888889) internal successors, (61), 18 states have internal predecessors, (61), 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) [2024-11-08 12:15:10,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:15:10,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:15:10,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:15:11,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:15:11,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:15:11,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:15:11,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 12:15:11,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:15:11,381 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 12:15:11,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:15:11,382 INFO L85 PathProgramCache]: Analyzing trace with hash -584591925, now seen corresponding path program 1 times [2024-11-08 12:15:11,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:15:11,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354422907] [2024-11-08 12:15:11,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:15:11,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:15:11,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:15:11,836 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 12:15:11,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:15:11,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354422907] [2024-11-08 12:15:11,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354422907] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:15:11,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1320348865] [2024-11-08 12:15:11,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:15:11,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:15:11,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:15:11,840 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:15:11,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 12:15:11,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:15:11,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 12:15:11,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:15:12,091 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 [2024-11-08 12:15:12,099 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 12:15:12,099 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:15:12,243 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-11-08 12:15:12,244 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 19 treesize of output 7 [2024-11-08 12:15:12,257 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 11 treesize of output 3 [2024-11-08 12:15:12,424 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 12:15:12,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1320348865] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:15:12,425 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:15:12,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 18 [2024-11-08 12:15:12,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304795970] [2024-11-08 12:15:12,426 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:15:12,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-08 12:15:12,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:15:12,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-08 12:15:12,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2024-11-08 12:15:12,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:15:12,428 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:15:12,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.6842105263157894) internal successors, (51), 18 states have internal predecessors, (51), 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) [2024-11-08 12:15:12,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:15:12,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:15:12,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:15:12,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:15:12,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:15:12,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:15:12,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:15:12,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 12:15:12,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-08 12:15:13,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:15:13,001 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 12:15:13,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:15:13,001 INFO L85 PathProgramCache]: Analyzing trace with hash -370788562, now seen corresponding path program 2 times [2024-11-08 12:15:13,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:15:13,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869596819] [2024-11-08 12:15:13,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:15:13,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:15:13,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:15:13,528 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 12:15:13,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:15:13,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869596819] [2024-11-08 12:15:13,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869596819] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:15:13,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [904257482] [2024-11-08 12:15:13,531 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 12:15:13,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:15:13,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:15:13,534 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:15:13,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 12:15:13,613 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 12:15:13,613 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:15:13,615 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-08 12:15:13,618 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:15:13,681 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 15 treesize of output 1 [2024-11-08 12:15:13,984 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-11-08 12:15:13,984 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 31 [2024-11-08 12:15:14,028 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:15:14,029 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:15:14,674 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 130 treesize of output 116 [2024-11-08 12:15:14,723 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:15:14,724 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 297 treesize of output 257 [2024-11-08 12:15:16,289 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:15:16,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [904257482] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:15:16,289 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:15:16,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 23 [2024-11-08 12:15:16,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203312593] [2024-11-08 12:15:16,292 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:15:16,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-08 12:15:16,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:15:16,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-08 12:15:16,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=429, Unknown=0, NotChecked=0, Total=506 [2024-11-08 12:15:16,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:15:16,294 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:15:16,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.9130434782608696) internal successors, (67), 23 states have internal predecessors, (67), 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) [2024-11-08 12:15:16,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:15:16,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:15:16,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:15:16,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-08 12:15:16,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:15:18,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:15:18,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:15:18,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-08 12:15:18,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:15:18,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-08 12:15:18,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-08 12:15:18,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:15:18,652 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 12:15:18,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:15:18,652 INFO L85 PathProgramCache]: Analyzing trace with hash -722501119, now seen corresponding path program 2 times [2024-11-08 12:15:18,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:15:18,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234492592] [2024-11-08 12:15:18,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:15:18,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:15:18,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:15:18,936 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 12:15:18,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:15:18,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234492592] [2024-11-08 12:15:18,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234492592] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:15:18,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [683226841] [2024-11-08 12:15:18,937 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 12:15:18,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:15:18,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:15:18,941 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:15:18,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 12:15:19,120 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 12:15:19,120 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:15:19,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 12:15:19,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:15:19,202 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 12:15:19,202 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:15:19,497 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 12:15:19,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [683226841] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:15:19,497 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:15:19,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 8] total 14 [2024-11-08 12:15:19,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425157885] [2024-11-08 12:15:19,498 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:15:19,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 12:15:19,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:15:19,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 12:15:19,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2024-11-08 12:15:19,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:15:19,503 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:15:19,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.7142857142857144) internal successors, (38), 14 states have internal predecessors, (38), 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) [2024-11-08 12:15:19,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:15:19,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:15:19,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-08 12:15:19,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:15:19,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-08 12:15:19,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:15:20,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:15:20,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:15:20,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-08 12:15:20,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:15:20,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-08 12:15:20,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-08 12:15:20,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-08 12:15:20,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-08 12:15:20,751 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 12:15:20,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:15:20,752 INFO L85 PathProgramCache]: Analyzing trace with hash -404933259, now seen corresponding path program 3 times [2024-11-08 12:15:20,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:15:20,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315216076] [2024-11-08 12:15:20,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:15:20,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:15:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:15:21,560 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 12:15:21,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:15:21,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315216076] [2024-11-08 12:15:21,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315216076] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:15:21,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [743369653] [2024-11-08 12:15:21,561 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-08 12:15:21,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:15:21,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:15:21,564 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:15:21,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 12:15:21,787 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-08 12:15:21,788 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:15:21,790 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 12:15:21,792 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:15:22,212 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 12:15:22,215 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:15:23,397 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 12:15:23,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [743369653] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:15:23,397 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:15:23,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 12] total 28 [2024-11-08 12:15:23,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150868138] [2024-11-08 12:15:23,398 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:15:23,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-08 12:15:23,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:15:23,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-08 12:15:23,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=573, Unknown=0, NotChecked=0, Total=756 [2024-11-08 12:15:23,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:15:23,400 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:15:23,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 2.2857142857142856) internal successors, (64), 28 states have internal predecessors, (64), 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) [2024-11-08 12:15:23,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:15:23,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:15:23,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-08 12:15:23,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:15:23,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-08 12:15:23,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-08 12:15:23,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:15:26,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:15:31,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:15:31,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:15:31,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-08 12:15:31,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:15:31,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-08 12:15:31,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-08 12:15:31,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-08 12:15:31,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-08 12:15:32,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:15:32,009 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 12:15:32,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:15:32,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1299546019, now seen corresponding path program 4 times [2024-11-08 12:15:32,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:15:32,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102393272] [2024-11-08 12:15:32,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:15:32,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:15:32,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:15:33,656 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 12:15:33,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:15:33,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102393272] [2024-11-08 12:15:33,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102393272] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:15:33,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [945686123] [2024-11-08 12:15:33,657 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-08 12:15:33,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:15:33,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:15:33,660 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:15:33,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-08 12:15:33,847 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-08 12:15:33,847 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:15:33,849 INFO L255 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-08 12:15:33,852 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:15:41,915 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 12:15:41,915 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:15:43,446 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 12:15:43,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [945686123] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:15:43,447 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:15:43,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19, 20] total 52 [2024-11-08 12:15:43,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413120848] [2024-11-08 12:15:43,447 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:15:43,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-11-08 12:15:43,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:15:43,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-11-08 12:15:43,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=627, Invalid=2024, Unknown=1, NotChecked=0, Total=2652 [2024-11-08 12:15:43,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:15:43,452 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:15:43,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 2.1538461538461537) internal successors, (112), 52 states have internal predecessors, (112), 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) [2024-11-08 12:15:43,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:15:43,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:15:43,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-08 12:15:43,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:15:43,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-08 12:15:43,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-08 12:15:43,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-11-08 12:15:43,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:15:52,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:15:52,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:15:52,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-08 12:15:52,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:15:52,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-08 12:15:52,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-08 12:15:52,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-08 12:15:52,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-11-08 12:15:52,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-08 12:15:52,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:15:52,265 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 12:15:52,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:15:52,265 INFO L85 PathProgramCache]: Analyzing trace with hash -170088915, now seen corresponding path program 5 times [2024-11-08 12:15:52,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:15:52,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333103245] [2024-11-08 12:15:52,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:15:52,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:15:52,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:15:57,282 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 0 proven. 900 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 12:15:57,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:15:57,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333103245] [2024-11-08 12:15:57,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333103245] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:15:57,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453183988] [2024-11-08 12:15:57,283 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-08 12:15:57,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:15:57,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:15:57,285 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:15:57,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-08 12:15:59,058 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 31 check-sat command(s) [2024-11-08 12:15:59,058 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:15:59,063 INFO L255 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-11-08 12:15:59,067 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:16:03,948 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 0 proven. 900 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 12:16:03,948 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:16:14,863 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 0 proven. 898 refuted. 2 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 12:16:14,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453183988] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:16:14,863 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:16:14,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 35, 36] total 100 [2024-11-08 12:16:14,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453066496] [2024-11-08 12:16:14,864 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:16:14,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2024-11-08 12:16:14,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:16:14,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2024-11-08 12:16:14,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2247, Invalid=7652, Unknown=1, NotChecked=0, Total=9900 [2024-11-08 12:16:14,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:16:14,869 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:16:14,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 2.08) internal successors, (208), 100 states have internal predecessors, (208), 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) [2024-11-08 12:16:14,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:16:14,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:16:14,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-08 12:16:14,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:16:14,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-08 12:16:14,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-08 12:16:14,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-11-08 12:16:14,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-11-08 12:16:14,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:17:24,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:17:26,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:17:28,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:17:32,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:17:33,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:17:37,950 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse8 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 16) 4294967296)) (.cse4 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 38) 4294967296)) (.cse1 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 42) 4294967296)) (.cse2 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 48) 4294967296)) (.cse15 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 54) 4294967296)) (.cse18 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 12) 4294967296)) (.cse12 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 8) 4294967296)) (.cse21 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 24) 4294967296)) (.cse19 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 18) 4294967296)) (.cse7 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 10) 4294967296)) (.cse11 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 14) 4294967296)) (.cse23 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 20) 4294967296)) (.cse16 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 60) 4294967296)) (.cse9 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 22) 4294967296)) (.cse5 (mod (+ 40 |c_thread2Thread1of1ForFork0_~i~1#1|) 4294967296)) (.cse25 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 52) 4294967296)) (.cse6 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 46) 4294967296)) (.cse26 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 28) 4294967296)) (.cse27 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 34) 4294967296)) (.cse13 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 36) 4294967296)) (.cse20 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 30) 4294967296)) (.cse22 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 26) 4294967296)) (.cse10 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 32) 4294967296)) (.cse24 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 6) 4294967296)) (.cse17 (+ (mod |c_thread2Thread1of1ForFork0_~i~1#1| 4294967296) 1)) (.cse14 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 50) 4294967296)) (.cse0 (mod (+ 4294967295 c_~n~0) 4294967296)) (.cse3 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 44) 4294967296))) (and (or (< .cse0 (+ .cse1 1)) (< .cse2 .cse0)) (or (< .cse3 .cse0) (< .cse0 (+ .cse4 1))) (or (< .cse0 (+ .cse5 1)) (< .cse6 .cse0)) (or (< .cse0 (+ .cse7 1)) (< .cse8 .cse0)) (or (< .cse9 .cse0) (< .cse0 (+ .cse8 1))) (or (< .cse0 (+ .cse10 1)) (< .cse4 .cse0)) (or (< .cse11 .cse0) (< .cse0 (+ .cse12 1))) (or (< .cse0 (+ .cse13 1)) (< .cse1 .cse0)) (or (< (mod (+ 56 |c_thread2Thread1of1ForFork0_~i~1#1|) 4294967296) .cse0) (< .cse0 (+ .cse14 1))) (or (< (mod |c_thread1Thread1of1ForFork1_~i~0#1| 4294967296) (+ .cse15 2)) (< .cse16 .cse17)) (or (< .cse0 (+ .cse18 1)) (< .cse19 .cse0)) (or (< .cse0 (+ .cse2 1)) (< .cse15 .cse0)) (or (< .cse20 .cse0) (< .cse0 (+ .cse21 1))) (or (< .cse22 .cse0) (< .cse0 (+ .cse23 1))) (or (< .cse18 .cse0) (< .cse0 (+ .cse24 1))) (or (< .cse0 (+ .cse25 1)) (< (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 58) 4294967296) .cse0)) (or (< .cse0 (+ (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 2) 4294967296) 1)) (< .cse12 .cse0)) (or (< .cse21 .cse0) (< .cse0 (+ .cse19 1))) (or (< .cse0 (+ (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 4) 4294967296) 1)) (< .cse7 .cse0)) (or (< .cse0 (+ .cse11 1)) (< .cse23 .cse0)) (<= .cse16 4294967294) (or (< .cse0 (+ .cse9 1)) (< .cse26 .cse0)) (or (< .cse0 (+ .cse27 1)) (< .cse5 .cse0)) (or (< .cse25 .cse0) (< .cse0 (+ .cse6 1))) (= |c_thread1Thread1of1ForFork1_~i~0#1| 0) (or (< .cse0 (+ .cse26 1)) (< .cse27 .cse0)) (or (< .cse13 .cse0) (< .cse0 (+ .cse20 1))) (or (< .cse0 (+ .cse22 1)) (< .cse10 .cse0)) (or (< .cse24 .cse0) (< .cse0 .cse17)) (or (< .cse14 .cse0) (< .cse0 (+ .cse3 1))))) is different from false [2024-11-08 12:17:38,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:17:38,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:17:38,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-08 12:17:38,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:17:38,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-08 12:17:38,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-08 12:17:38,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-08 12:17:38,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-11-08 12:17:38,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-11-08 12:17:38,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-08 12:17:39,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:17:39,111 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 12:17:39,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:17:39,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1776234957, now seen corresponding path program 6 times [2024-11-08 12:17:39,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:17:39,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607924064] [2024-11-08 12:17:39,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:17:39,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:17:39,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:17:58,578 INFO L134 CoverageAnalysis]: Checked inductivity of 3848 backedges. 0 proven. 3844 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 12:17:58,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:17:58,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607924064] [2024-11-08 12:17:58,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607924064] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:17:58,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1954341343] [2024-11-08 12:17:58,579 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-08 12:17:58,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:17:58,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:17:58,581 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:17:58,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343d2dd7-8fee-4ddc-8db7-a8505d67f712/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-08 12:18:03,574 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 63 check-sat command(s) [2024-11-08 12:18:03,574 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:18:03,583 INFO L255 TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 132 conjuncts are in the unsatisfiable core [2024-11-08 12:18:03,592 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:18:30,885 INFO L134 CoverageAnalysis]: Checked inductivity of 3848 backedges. 0 proven. 3844 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 12:18:30,885 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:19:10,244 INFO L134 CoverageAnalysis]: Checked inductivity of 3848 backedges. 0 proven. 3843 refuted. 1 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 12:19:10,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1954341343] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:19:10,245 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:19:10,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [68, 67, 68] total 196 [2024-11-08 12:19:10,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450657537] [2024-11-08 12:19:10,245 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:19:10,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 196 states [2024-11-08 12:19:10,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:19:10,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 196 interpolants. [2024-11-08 12:19:10,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8583, Invalid=29636, Unknown=1, NotChecked=0, Total=38220 [2024-11-08 12:19:10,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:19:10,255 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:19:10,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 196 states, 196 states have (on average 2.0408163265306123) internal successors, (400), 196 states have internal predecessors, (400), 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) [2024-11-08 12:19:10,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:19:10,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:19:10,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-08 12:19:10,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:19:10,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-08 12:19:10,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-08 12:19:10,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-11-08 12:19:10,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-11-08 12:19:10,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-11-08 12:19:10,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:20:04,385 WARN L286 SmtUtils]: Spent 17.31s on a formula simplification. DAG size of input: 454 DAG size of output: 324 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 12:20:34,235 WARN L286 SmtUtils]: Spent 16.94s on a formula simplification. DAG size of input: 440 DAG size of output: 319 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 12:21:04,591 WARN L286 SmtUtils]: Spent 19.32s on a formula simplification. DAG size of input: 433 DAG size of output: 314 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 12:21:30,112 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification. DAG size of input: 426 DAG size of output: 309 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 12:21:56,261 WARN L286 SmtUtils]: Spent 15.03s on a formula simplification. DAG size of input: 419 DAG size of output: 304 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 12:22:19,273 WARN L286 SmtUtils]: Spent 13.22s on a formula simplification. DAG size of input: 412 DAG size of output: 299 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 12:22:43,527 WARN L286 SmtUtils]: Spent 12.47s on a formula simplification. DAG size of input: 405 DAG size of output: 294 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 12:23:10,791 WARN L286 SmtUtils]: Spent 13.13s on a formula simplification. DAG size of input: 398 DAG size of output: 289 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 12:23:35,342 WARN L286 SmtUtils]: Spent 11.61s on a formula simplification. DAG size of input: 391 DAG size of output: 284 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 12:24:01,129 WARN L286 SmtUtils]: Spent 11.95s on a formula simplification. DAG size of input: 384 DAG size of output: 279 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 12:24:20,118 WARN L286 SmtUtils]: Spent 8.73s on a formula simplification. DAG size of input: 377 DAG size of output: 274 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 12:24:40,013 WARN L286 SmtUtils]: Spent 9.10s on a formula simplification. DAG size of input: 370 DAG size of output: 269 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 12:25:04,803 WARN L286 SmtUtils]: Spent 13.42s on a formula simplification. DAG size of input: 363 DAG size of output: 264 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 12:25:27,848 WARN L286 SmtUtils]: Spent 9.57s on a formula simplification. DAG size of input: 356 DAG size of output: 259 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 12:25:52,095 WARN L286 SmtUtils]: Spent 12.18s on a formula simplification. DAG size of input: 349 DAG size of output: 254 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 12:26:15,339 WARN L286 SmtUtils]: Spent 11.08s on a formula simplification. DAG size of input: 342 DAG size of output: 249 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 12:26:38,439 WARN L286 SmtUtils]: Spent 11.20s on a formula simplification. DAG size of input: 335 DAG size of output: 244 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 12:26:57,036 WARN L286 SmtUtils]: Spent 7.75s on a formula simplification. DAG size of input: 328 DAG size of output: 239 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 12:27:14,312 WARN L286 SmtUtils]: Spent 7.16s on a formula simplification. DAG size of input: 321 DAG size of output: 234 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 12:27:35,557 WARN L286 SmtUtils]: Spent 8.72s on a formula simplification. DAG size of input: 314 DAG size of output: 229 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 12:27:55,071 WARN L286 SmtUtils]: Spent 6.60s on a formula simplification. DAG size of input: 307 DAG size of output: 224 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 12:28:15,072 WARN L286 SmtUtils]: Spent 8.18s on a formula simplification. DAG size of input: 300 DAG size of output: 219 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 12:28:33,721 WARN L286 SmtUtils]: Spent 6.50s on a formula simplification. DAG size of input: 293 DAG size of output: 214 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 12:28:53,837 WARN L286 SmtUtils]: Spent 7.06s on a formula simplification. DAG size of input: 286 DAG size of output: 209 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 12:29:11,097 WARN L286 SmtUtils]: Spent 7.88s on a formula simplification. DAG size of input: 279 DAG size of output: 204 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 12:29:45,071 WARN L286 SmtUtils]: Spent 5.76s on a formula simplification. DAG size of input: 265 DAG size of output: 194 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)