./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/config/svcomp-Overflow-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 981eae178b9cad0bb64b87dda8360f4f1e2e23d7b9d396f9db2ad5a6977098c4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 12:20:37,672 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 12:20:37,757 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2024-11-13 12:20:37,762 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 12:20:37,762 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 12:20:37,785 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 12:20:37,786 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 12:20:37,786 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 12:20:37,787 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 12:20:37,787 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 12:20:37,787 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 12:20:37,787 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 12:20:37,788 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 12:20:37,788 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 12:20:37,788 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 12:20:37,788 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 12:20:37,788 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 12:20:37,788 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 12:20:37,789 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 12:20:37,789 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 12:20:37,789 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 12:20:37,789 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 12:20:37,789 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 12:20:37,789 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 12:20:37,789 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 12:20:37,790 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 12:20:37,790 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 12:20:37,790 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 12:20:37,790 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 12:20:37,790 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 12:20:37,790 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 12:20:37,791 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 12:20:37,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 12:20:37,791 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 12:20:37,791 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 12:20:37,791 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 12:20:37,791 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 12:20:37,792 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-13 12:20:37,792 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 12:20:37,792 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 12:20:37,792 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-11-13 12:20:37,792 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-13 12:20:37,792 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-13 12:20:37,792 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-13 12:20:37,793 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F 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 ! overflow) ) 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 -> 981eae178b9cad0bb64b87dda8360f4f1e2e23d7b9d396f9db2ad5a6977098c4 [2024-11-13 12:20:38,103 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 12:20:38,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 12:20:38,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 12:20:38,118 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 12:20:38,118 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 12:20:38,121 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/../../sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c Unable to find full path for "g++" [2024-11-13 12:20:40,251 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 12:20:40,570 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 12:20:40,571 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c [2024-11-13 12:20:40,580 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/data/7c3f9cab1/a0d16c3ded4542a1ad01a063ecec1860/FLAGe897ff352 [2024-11-13 12:20:40,599 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/data/7c3f9cab1/a0d16c3ded4542a1ad01a063ecec1860 [2024-11-13 12:20:40,602 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 12:20:40,604 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 12:20:40,605 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 12:20:40,606 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 12:20:40,611 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 12:20:40,612 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:20:40" (1/1) ... [2024-11-13 12:20:40,613 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f262652 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:20:40, skipping insertion in model container [2024-11-13 12:20:40,614 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:20:40" (1/1) ... [2024-11-13 12:20:40,633 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 12:20:40,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:20:40,894 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 12:20:40,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:20:40,956 INFO L204 MainTranslator]: Completed translation [2024-11-13 12:20:40,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:20:40 WrapperNode [2024-11-13 12:20:40,957 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 12:20:40,959 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 12:20:40,960 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 12:20:40,960 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 12:20:40,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:20:40" (1/1) ... [2024-11-13 12:20:40,982 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:20:40" (1/1) ... [2024-11-13 12:20:41,017 INFO L138 Inliner]: procedures = 20, calls = 14, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 102 [2024-11-13 12:20:41,017 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 12:20:41,018 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 12:20:41,018 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 12:20:41,018 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 12:20:41,030 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:20:40" (1/1) ... [2024-11-13 12:20:41,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:20:40" (1/1) ... [2024-11-13 12:20:41,035 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:20:40" (1/1) ... [2024-11-13 12:20:41,035 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:20:40" (1/1) ... [2024-11-13 12:20:41,047 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:20:40" (1/1) ... [2024-11-13 12:20:41,055 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:20:40" (1/1) ... [2024-11-13 12:20:41,057 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:20:40" (1/1) ... [2024-11-13 12:20:41,061 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:20:40" (1/1) ... [2024-11-13 12:20:41,064 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 12:20:41,066 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 12:20:41,066 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 12:20:41,066 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 12:20:41,071 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:20:40" (1/1) ... [2024-11-13 12:20:41,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 12:20:41,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:20:41,123 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 12:20:41,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 12:20:41,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 12:20:41,166 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-13 12:20:41,167 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-13 12:20:41,167 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-13 12:20:41,167 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-13 12:20:41,167 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-13 12:20:41,167 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-13 12:20:41,167 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-13 12:20:41,167 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-13 12:20:41,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 12:20:41,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 12:20:41,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 12:20:41,170 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 12:20:41,308 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 12:20:41,312 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 12:20:41,631 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 12:20:41,631 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 12:20:41,898 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 12:20:41,899 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-13 12:20:41,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:20:41 BoogieIcfgContainer [2024-11-13 12:20:41,899 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 12:20:41,902 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 12:20:41,903 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 12:20:41,908 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 12:20:41,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 12:20:40" (1/3) ... [2024-11-13 12:20:41,909 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13f3b630 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:20:41, skipping insertion in model container [2024-11-13 12:20:41,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:20:40" (2/3) ... [2024-11-13 12:20:41,911 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13f3b630 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:20:41, skipping insertion in model container [2024-11-13 12:20:41,911 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:20:41" (3/3) ... [2024-11-13 12:20:41,913 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-counter-determinism.wvr.c [2024-11-13 12:20:41,932 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 12:20:41,936 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-counter-determinism.wvr.c that has 5 procedures, 59 locations, 1 initial locations, 4 loop locations, and 16 error locations. [2024-11-13 12:20:41,936 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 12:20:42,056 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-13 12:20:42,127 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:20:42,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-13 12:20:42,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:20:42,130 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-13 12:20:42,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-13 12:20:42,174 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-13 12:20:42,188 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread4Thread1of1ForFork3 ======== [2024-11-13 12:20:42,200 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;@454d49c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:20:42,200 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-13 12:20:42,884 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:20:42,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:20:42,891 INFO L85 PathProgramCache]: Analyzing trace with hash -556245790, now seen corresponding path program 1 times [2024-11-13 12:20:42,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:20:42,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639706798] [2024-11-13 12:20:42,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:42,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:20:43,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:43,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:20:43,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:20:43,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639706798] [2024-11-13 12:20:43,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639706798] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:20:43,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:20:43,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:20:43,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050659513] [2024-11-13 12:20:43,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:20:43,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:20:43,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:20:43,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:20:43,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:20:43,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:43,289 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:20:43,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 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) [2024-11-13 12:20:43,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:43,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:43,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 12:20:43,586 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:20:43,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:20:43,587 INFO L85 PathProgramCache]: Analyzing trace with hash 332181412, now seen corresponding path program 1 times [2024-11-13 12:20:43,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:20:43,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441309403] [2024-11-13 12:20:43,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:43,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:20:43,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:43,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:20:43,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:20:43,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441309403] [2024-11-13 12:20:43,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441309403] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:20:43,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:20:43,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:20:43,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572253645] [2024-11-13 12:20:43,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:20:43,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:20:43,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:20:43,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:20:43,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:20:43,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:43,705 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:20:43,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 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) [2024-11-13 12:20:43,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:43,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:43,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:43,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:43,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 12:20:43,860 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:20:43,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:20:43,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1110229946, now seen corresponding path program 1 times [2024-11-13 12:20:43,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:20:43,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370870677] [2024-11-13 12:20:43,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:43,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:20:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:44,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:20:44,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:20:44,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370870677] [2024-11-13 12:20:44,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370870677] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:20:44,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:20:44,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 12:20:44,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198233228] [2024-11-13 12:20:44,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:20:44,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:20:44,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:20:44,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:20:44,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 12:20:44,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:44,011 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:20:44,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:20:44,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:44,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:44,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:44,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:44,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:44,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:44,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 12:20:44,269 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:20:44,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:20:44,270 INFO L85 PathProgramCache]: Analyzing trace with hash -182931400, now seen corresponding path program 1 times [2024-11-13 12:20:44,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:20:44,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810806398] [2024-11-13 12:20:44,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:44,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:20:44,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:44,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:20:44,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:20:44,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810806398] [2024-11-13 12:20:44,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810806398] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:20:44,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:20:44,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:20:44,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51017450] [2024-11-13 12:20:44,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:20:44,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:20:44,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:20:44,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:20:44,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:20:44,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:44,458 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:20:44,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 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) [2024-11-13 12:20:44,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:44,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:44,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:44,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:44,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:44,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:44,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:44,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:44,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 12:20:44,707 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:20:44,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:20:44,708 INFO L85 PathProgramCache]: Analyzing trace with hash -182930438, now seen corresponding path program 1 times [2024-11-13 12:20:44,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:20:44,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723088186] [2024-11-13 12:20:44,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:44,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:20:44,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:44,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:20:44,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:20:44,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723088186] [2024-11-13 12:20:44,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723088186] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:20:44,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:20:44,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:20:44,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641095913] [2024-11-13 12:20:44,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:20:44,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:20:44,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:20:44,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:20:44,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:20:44,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:44,789 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:20:44,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 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) [2024-11-13 12:20:44,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:44,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:44,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:44,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:44,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:44,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:44,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:44,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:44,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:44,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:44,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 12:20:44,927 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:20:44,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:20:44,927 INFO L85 PathProgramCache]: Analyzing trace with hash 298229212, now seen corresponding path program 1 times [2024-11-13 12:20:44,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:20:44,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597310099] [2024-11-13 12:20:44,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:44,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:20:44,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:45,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:20:45,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:20:45,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597310099] [2024-11-13 12:20:45,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597310099] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:20:45,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:20:45,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 12:20:45,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413369615] [2024-11-13 12:20:45,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:20:45,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:20:45,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:20:45,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:20:45,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 12:20:45,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:45,046 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:20:45,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 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) [2024-11-13 12:20:45,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:45,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:45,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:45,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:45,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:45,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:45,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:45,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:45,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:45,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:45,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:45,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:45,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 12:20:45,284 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:20:45,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:20:45,285 INFO L85 PathProgramCache]: Analyzing trace with hash 655198256, now seen corresponding path program 1 times [2024-11-13 12:20:45,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:20:45,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053622369] [2024-11-13 12:20:45,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:45,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:20:45,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:45,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:20:45,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:20:45,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053622369] [2024-11-13 12:20:45,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053622369] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:20:45,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:20:45,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:20:45,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68786515] [2024-11-13 12:20:45,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:20:45,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:20:45,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:20:45,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:20:45,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 12:20:45,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:45,421 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:20:45,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:20:45,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:45,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:45,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:45,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:45,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:45,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:45,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:45,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:45,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:45,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:45,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:45,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:45,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:45,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:45,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 12:20:45,621 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:20:45,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:20:45,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1605913646, now seen corresponding path program 1 times [2024-11-13 12:20:45,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:20:45,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219388550] [2024-11-13 12:20:45,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:45,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:20:45,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:45,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:20:45,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:20:45,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219388550] [2024-11-13 12:20:45,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219388550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:20:45,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:20:45,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 12:20:45,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026304124] [2024-11-13 12:20:45,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:20:45,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:20:45,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:20:45,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:20:45,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 12:20:45,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:45,734 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:20:45,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:20:45,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:45,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:45,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:45,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:45,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:45,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:45,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:45,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:46,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:46,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:46,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:46,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:46,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:46,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:46,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:46,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:46,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 12:20:46,075 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:20:46,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:20:46,075 INFO L85 PathProgramCache]: Analyzing trace with hash -2039978081, now seen corresponding path program 1 times [2024-11-13 12:20:46,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:20:46,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678593605] [2024-11-13 12:20:46,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:46,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:20:46,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:46,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:20:46,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:20:46,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678593605] [2024-11-13 12:20:46,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678593605] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:20:46,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:20:46,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:20:46,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625349662] [2024-11-13 12:20:46,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:20:46,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:20:46,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:20:46,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:20:46,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 12:20:46,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:46,197 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:20:46,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2024-11-13 12:20:46,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:46,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:46,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:46,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:46,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:46,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:46,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:46,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:46,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:46,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:46,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:46,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:46,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:46,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:46,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:46,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:46,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:46,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:46,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 12:20:46,362 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread4Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:20:46,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:20:46,362 INFO L85 PathProgramCache]: Analyzing trace with hash -1913834079, now seen corresponding path program 1 times [2024-11-13 12:20:46,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:20:46,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251261019] [2024-11-13 12:20:46,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:46,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:20:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:46,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:20:46,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:20:46,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251261019] [2024-11-13 12:20:46,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251261019] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:20:46,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:20:46,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:20:46,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475225295] [2024-11-13 12:20:46,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:20:46,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:20:46,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:20:46,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:20:46,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 12:20:46,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:46,482 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:20:46,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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) [2024-11-13 12:20:46,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:46,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:46,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:46,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:46,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:46,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:46,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:46,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:46,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:46,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:46,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:46,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:46,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:46,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:46,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:46,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:46,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:46,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:46,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:46,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:46,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 12:20:46,876 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread4Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:20:46,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:20:46,876 INFO L85 PathProgramCache]: Analyzing trace with hash -395718421, now seen corresponding path program 1 times [2024-11-13 12:20:46,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:20:46,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489885966] [2024-11-13 12:20:46,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:46,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:20:46,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:47,188 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:20:47,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:20:47,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489885966] [2024-11-13 12:20:47,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489885966] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:20:47,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1301592682] [2024-11-13 12:20:47,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:47,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:20:47,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:20:47,193 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:20:47,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 12:20:47,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:47,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 12:20:47,317 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:20:47,405 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:20:47,409 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:20:47,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1301592682] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:20:47,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 12:20:47,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 11 [2024-11-13 12:20:47,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643224161] [2024-11-13 12:20:47,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:20:47,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:20:47,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:20:47,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:20:47,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-13 12:20:47,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:47,412 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:20:47,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2024-11-13 12:20:47,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:47,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:47,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:47,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:47,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:47,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:47,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:47,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:47,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:47,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:47,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:47,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:47,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:47,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:47,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:47,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:47,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:47,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:47,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:47,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:47,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:47,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:47,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 12:20:47,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-13 12:20:47,852 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread4Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:20:47,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:20:47,853 INFO L85 PathProgramCache]: Analyzing trace with hash -920618299, now seen corresponding path program 1 times [2024-11-13 12:20:47,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:20:47,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910988376] [2024-11-13 12:20:47,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:47,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:20:47,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:48,760 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:20:48,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:20:48,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910988376] [2024-11-13 12:20:48,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910988376] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:20:48,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1856054985] [2024-11-13 12:20:48,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:48,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:20:48,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:20:48,764 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:20:48,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 12:20:48,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:48,877 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 12:20:48,879 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:20:49,091 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:20:49,092 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:20:49,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1856054985] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:20:49,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 12:20:49,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [20] total 25 [2024-11-13 12:20:49,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647778189] [2024-11-13 12:20:49,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:20:49,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 12:20:49,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:20:49,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 12:20:49,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=536, Unknown=0, NotChecked=0, Total=600 [2024-11-13 12:20:49,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:49,096 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:20:49,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 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) [2024-11-13 12:20:49,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:49,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:49,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:49,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:49,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:49,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:49,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:49,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:49,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:49,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:49,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:49,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:49,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:49,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:49,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:49,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:49,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:49,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:49,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:49,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:49,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:49,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:49,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:49,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:49,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 12:20:49,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:20:49,651 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread4Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:20:49,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:20:49,652 INFO L85 PathProgramCache]: Analyzing trace with hash 226687976, now seen corresponding path program 1 times [2024-11-13 12:20:49,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:20:49,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924209005] [2024-11-13 12:20:49,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:49,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:20:49,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:49,789 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:20:49,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:20:49,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924209005] [2024-11-13 12:20:49,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924209005] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:20:49,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [987224822] [2024-11-13 12:20:49,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:49,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:20:49,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:20:49,792 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:20:49,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 12:20:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:49,897 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 12:20:49,904 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:20:50,008 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:20:50,009 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:20:50,160 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:20:50,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [987224822] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:20:50,160 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:20:50,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-11-13 12:20:50,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820601988] [2024-11-13 12:20:50,161 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:20:50,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 12:20:50,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:20:50,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 12:20:50,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-13 12:20:50,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:50,166 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:20:50,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.5) internal successors, (102), 12 states have internal predecessors, (102), 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) [2024-11-13 12:20:50,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:50,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:50,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:50,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:50,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:50,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:50,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:50,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:50,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:50,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:50,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:50,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:50,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:50,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:50,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:50,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:50,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:50,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:50,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:50,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:50,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:50,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:50,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:50,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:50,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:50,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:20:50,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-13 12:20:50,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:20:50,739 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread4Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:20:50,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:20:50,739 INFO L85 PathProgramCache]: Analyzing trace with hash -66715031, now seen corresponding path program 1 times [2024-11-13 12:20:50,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:20:50,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844337598] [2024-11-13 12:20:50,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:50,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:20:50,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:51,216 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:20:51,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:20:51,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844337598] [2024-11-13 12:20:51,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844337598] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:20:51,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1218962021] [2024-11-13 12:20:51,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:51,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:20:51,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:20:51,219 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:20:51,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 12:20:51,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:51,320 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 12:20:51,322 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:20:51,504 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:20:51,504 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:20:51,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1218962021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:20:51,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 12:20:51,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [15] total 20 [2024-11-13 12:20:51,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600417434] [2024-11-13 12:20:51,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:20:51,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 12:20:51,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:20:51,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 12:20:51,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2024-11-13 12:20:51,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:51,506 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:20:51,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:20:51,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:51,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:51,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:51,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:51,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:51,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:51,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:51,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:51,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:51,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:51,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:51,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:51,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:20:51,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:51,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:51,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:51,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:51,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:51,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:51,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:51,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:51,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:51,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:51,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:51,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:51,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:51,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:20:51,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:51,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-13 12:20:51,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:20:51,996 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread4Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:20:51,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:20:51,997 INFO L85 PathProgramCache]: Analyzing trace with hash -440354011, now seen corresponding path program 1 times [2024-11-13 12:20:51,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:20:51,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388826876] [2024-11-13 12:20:51,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:51,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:20:52,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:52,098 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:20:52,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:20:52,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388826876] [2024-11-13 12:20:52,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388826876] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:20:52,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [349508777] [2024-11-13 12:20:52,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:52,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:20:52,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:20:52,101 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:20:52,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 12:20:52,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:52,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 12:20:52,194 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:20:52,273 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:20:52,274 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:20:52,391 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:20:52,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [349508777] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:20:52,392 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:20:52,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-11-13 12:20:52,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230180392] [2024-11-13 12:20:52,392 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:20:52,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 12:20:52,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:20:52,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 12:20:52,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-13 12:20:52,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:52,396 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:20:52,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.916666666666666) internal successors, (107), 12 states have internal predecessors, (107), 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) [2024-11-13 12:20:52,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:52,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:52,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:52,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:52,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:52,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:52,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:52,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:52,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:52,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:52,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:52,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:52,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:20:52,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:52,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:52,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:52,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:52,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:52,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:52,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:52,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:52,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:52,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:52,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:52,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:52,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:52,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:52,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:20:52,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:52,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:20:52,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-13 12:20:52,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:20:52,837 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread4Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:20:52,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:20:52,838 INFO L85 PathProgramCache]: Analyzing trace with hash 2047158822, now seen corresponding path program 1 times [2024-11-13 12:20:52,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:20:52,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300141605] [2024-11-13 12:20:52,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:52,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:20:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:53,076 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:20:53,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:20:53,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300141605] [2024-11-13 12:20:53,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300141605] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:20:53,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1022277184] [2024-11-13 12:20:53,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:53,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:20:53,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:20:53,079 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:20:53,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 12:20:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:53,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 12:20:53,180 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:20:53,307 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:20:53,307 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:20:53,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1022277184] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:20:53,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 12:20:53,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 15 [2024-11-13 12:20:53,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376205333] [2024-11-13 12:20:53,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:20:53,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 12:20:53,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:20:53,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 12:20:53,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-11-13 12:20:53,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:53,310 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:20:53,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 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) [2024-11-13 12:20:53,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:53,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:53,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:53,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:53,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:53,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:53,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:53,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:53,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:53,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:53,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:53,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:53,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:20:53,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:53,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:20:53,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:53,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:53,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:53,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:53,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:53,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:53,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:53,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:53,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:53,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:53,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:53,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:53,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:53,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:20:53,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:53,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:20:53,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:53,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-13 12:20:53,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-13 12:20:53,763 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread4Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:20:53,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:20:53,763 INFO L85 PathProgramCache]: Analyzing trace with hash -937740823, now seen corresponding path program 1 times [2024-11-13 12:20:53,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:20:53,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110552404] [2024-11-13 12:20:53,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:53,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:20:53,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:53,879 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:20:53,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:20:53,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110552404] [2024-11-13 12:20:53,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110552404] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:20:53,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [68564276] [2024-11-13 12:20:53,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:53,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:20:53,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:20:53,882 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:20:53,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-13 12:20:53,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:53,975 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 12:20:53,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:20:54,069 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:20:54,069 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:20:54,170 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:20:54,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [68564276] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:20:54,173 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:20:54,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-11-13 12:20:54,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81921449] [2024-11-13 12:20:54,173 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:20:54,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 12:20:54,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:20:54,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 12:20:54,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-13 12:20:54,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:54,175 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:20:54,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.333333333333334) internal successors, (112), 12 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) [2024-11-13 12:20:54,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:54,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:54,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:54,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:54,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:54,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:54,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:54,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:54,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:54,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:54,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:54,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:54,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:20:54,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:54,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:20:54,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:54,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:54,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:54,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:54,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:54,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:54,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:54,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:54,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:54,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:54,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:54,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:54,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:54,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:54,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:20:54,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:54,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:20:54,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:54,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:20:54,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-13 12:20:54,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:20:54,662 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread4Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:20:54,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:20:54,663 INFO L85 PathProgramCache]: Analyzing trace with hash -936817302, now seen corresponding path program 1 times [2024-11-13 12:20:54,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:20:54,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302544106] [2024-11-13 12:20:54,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:54,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:20:54,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:54,766 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:20:54,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:20:54,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302544106] [2024-11-13 12:20:54,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302544106] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:20:54,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1062931285] [2024-11-13 12:20:54,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:54,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:20:54,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:20:54,770 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:20:54,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-13 12:20:54,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:54,872 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 12:20:54,873 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:20:54,967 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:20:54,967 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:20:54,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1062931285] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:20:54,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 12:20:54,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-13 12:20:54,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397102963] [2024-11-13 12:20:54,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:20:54,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 12:20:54,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:20:54,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 12:20:54,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-13 12:20:54,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:54,970 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:20:54,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 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) [2024-11-13 12:20:54,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:54,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:54,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:54,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:54,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:54,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:54,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:54,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:54,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:54,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:54,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:54,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:54,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:20:54,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:54,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:20:54,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:54,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:20:54,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:55,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:55,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:55,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:55,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:55,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:55,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:55,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:55,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:55,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:55,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:55,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:55,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:55,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:20:55,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:55,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:20:55,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:55,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:20:55,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:55,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-13 12:20:55,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-13 12:20:55,434 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread4Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:20:55,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:20:55,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1023435176, now seen corresponding path program 1 times [2024-11-13 12:20:55,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:20:55,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870659397] [2024-11-13 12:20:55,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:55,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:20:55,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:55,534 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:20:55,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:20:55,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870659397] [2024-11-13 12:20:55,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870659397] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:20:55,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1440794771] [2024-11-13 12:20:55,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:55,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:20:55,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:20:55,537 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:20:55,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-13 12:20:55,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:55,632 INFO L255 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 12:20:55,634 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:20:55,719 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:20:55,719 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:20:55,818 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:20:55,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1440794771] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:20:55,819 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:20:55,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-13 12:20:55,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84225763] [2024-11-13 12:20:55,819 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:20:55,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 12:20:55,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:20:55,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 12:20:55,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-13 12:20:55,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:55,821 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:20:55,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 10.636363636363637) internal successors, (117), 12 states have internal predecessors, (117), 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) [2024-11-13 12:20:55,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:55,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:55,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:55,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:55,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:55,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:55,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:55,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:55,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:55,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:55,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:55,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:55,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:20:55,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:55,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:20:55,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:55,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:20:55,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:55,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:56,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:56,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:56,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:56,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:56,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:56,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:56,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:56,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:56,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:56,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:56,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:56,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:56,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:20:56,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:56,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:20:56,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:56,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:20:56,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:56,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:20:56,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-13 12:20:57,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:20:57,025 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread4Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:20:57,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:20:57,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1162988690, now seen corresponding path program 1 times [2024-11-13 12:20:57,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:20:57,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99197060] [2024-11-13 12:20:57,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:57,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:20:57,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:57,347 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 60 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:20:57,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:20:57,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99197060] [2024-11-13 12:20:57,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99197060] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:20:57,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [50332663] [2024-11-13 12:20:57,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:57,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:20:57,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:20:57,352 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:20:57,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-13 12:20:57,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:57,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 12:20:57,488 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:20:57,717 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 60 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:20:57,717 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:20:58,064 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 60 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:20:58,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [50332663] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:20:58,064 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:20:58,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 24 [2024-11-13 12:20:58,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907593694] [2024-11-13 12:20:58,064 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:20:58,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-13 12:20:58,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:20:58,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-13 12:20:58,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-11-13 12:20:58,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:58,069 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:20:58,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 9.375) internal successors, (225), 24 states have internal predecessors, (225), 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) [2024-11-13 12:20:58,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:58,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:58,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:58,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:58,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:58,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:58,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:58,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:58,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:58,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:58,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:58,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:58,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:20:58,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:58,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:20:58,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:58,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:20:58,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:58,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:20:58,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:58,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:58,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:58,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:58,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:58,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:58,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:58,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:58,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:58,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:58,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:58,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:58,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:58,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:20:58,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:58,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:20:58,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:58,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:20:58,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:58,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:20:58,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:20:58,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-13 12:20:58,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:20:58,878 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread4Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:20:58,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:20:58,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1673522867, now seen corresponding path program 1 times [2024-11-13 12:20:58,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:20:58,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526592672] [2024-11-13 12:20:58,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:58,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:20:58,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:59,237 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 40 proven. 160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:20:59,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:20:59,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526592672] [2024-11-13 12:20:59,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526592672] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:20:59,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1241018059] [2024-11-13 12:20:59,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:59,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:20:59,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:20:59,241 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:20:59,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-13 12:20:59,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:59,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 12:20:59,388 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:20:59,578 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 40 proven. 160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:20:59,578 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:20:59,918 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 40 proven. 160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:20:59,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1241018059] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:20:59,918 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:20:59,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 24 [2024-11-13 12:20:59,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440103135] [2024-11-13 12:20:59,919 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:20:59,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-13 12:20:59,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:20:59,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-13 12:20:59,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-11-13 12:20:59,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:59,922 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:20:59,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 9.541666666666666) internal successors, (229), 24 states have internal predecessors, (229), 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) [2024-11-13 12:20:59,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:59,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:59,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:59,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:59,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:59,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:59,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:59,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:59,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:59,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:59,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:59,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:59,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:20:59,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:59,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:20:59,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:59,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:20:59,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:59,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:20:59,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:20:59,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:21:00,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:00,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:00,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:00,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:00,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:00,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:00,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:00,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:00,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:00,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:00,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:00,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:00,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:00,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:00,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:00,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:00,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:00,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:00,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:00,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:21:00,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:21:00,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-13 12:21:00,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-13 12:21:00,717 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread4Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:21:00,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:21:00,718 INFO L85 PathProgramCache]: Analyzing trace with hash 824493070, now seen corresponding path program 1 times [2024-11-13 12:21:00,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:21:00,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70843461] [2024-11-13 12:21:00,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:21:00,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:21:00,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:21:01,046 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 20 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:21:01,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:21:01,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70843461] [2024-11-13 12:21:01,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70843461] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:21:01,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1004674295] [2024-11-13 12:21:01,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:21:01,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:21:01,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:21:01,052 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:21:01,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-13 12:21:01,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:21:01,172 INFO L255 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 12:21:01,174 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:21:01,342 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 20 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:21:01,342 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:21:01,651 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 20 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:21:01,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1004674295] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:21:01,651 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:21:01,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 24 [2024-11-13 12:21:01,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996765650] [2024-11-13 12:21:01,652 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:21:01,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-13 12:21:01,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:21:01,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-13 12:21:01,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-11-13 12:21:01,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:21:01,654 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:21:01,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 9.708333333333334) internal successors, (233), 24 states have internal predecessors, (233), 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) [2024-11-13 12:21:01,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:01,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:01,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:01,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:01,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:01,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:01,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:01,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:01,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:01,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:01,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:01,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:01,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:01,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:01,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:01,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:01,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:01,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:01,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:01,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:21:01,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:21:01,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:21:02,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:02,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:02,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:02,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:02,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:02,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:02,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:02,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:02,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:02,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:02,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:02,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:02,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:02,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:02,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:02,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:02,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:02,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:02,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:02,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:21:02,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:21:02,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:21:02,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-13 12:21:02,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:21:02,375 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread4Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:21:02,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:21:02,375 INFO L85 PathProgramCache]: Analyzing trace with hash 853122221, now seen corresponding path program 2 times [2024-11-13 12:21:02,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:21:02,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59352950] [2024-11-13 12:21:02,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:21:02,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:21:02,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:21:02,706 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:21:02,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:21:02,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59352950] [2024-11-13 12:21:02,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59352950] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:21:02,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1376254975] [2024-11-13 12:21:02,706 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:21:02,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:21:02,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:21:02,710 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:21:02,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-13 12:21:02,822 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 12:21:02,822 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:21:02,824 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 12:21:02,825 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:21:03,041 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-13 12:21:03,042 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:21:03,268 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-13 12:21:03,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1376254975] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:21:03,269 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:21:03,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 3, 3] total 14 [2024-11-13 12:21:03,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406448884] [2024-11-13 12:21:03,269 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:21:03,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-13 12:21:03,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:21:03,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-13 12:21:03,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-11-13 12:21:03,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:21:03,271 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:21:03,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 10.785714285714286) internal successors, (151), 15 states have internal predecessors, (151), 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) [2024-11-13 12:21:03,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:03,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:03,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:03,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:03,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:03,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:03,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:03,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:03,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:03,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:03,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:03,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:03,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:03,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:03,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:03,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:03,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:03,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:03,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:03,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:21:03,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:21:03,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:21:03,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:21:05,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:05,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:05,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:05,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:05,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:05,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:05,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:05,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:05,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:05,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:05,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:05,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:05,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:05,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:05,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:05,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:05,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:05,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:05,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:05,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-13 12:21:05,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-13 12:21:05,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-13 12:21:05,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:21:05,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-13 12:21:05,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-13 12:21:05,899 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:21:05,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:21:05,899 INFO L85 PathProgramCache]: Analyzing trace with hash 683267180, now seen corresponding path program 1 times [2024-11-13 12:21:05,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:21:05,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811554589] [2024-11-13 12:21:05,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:21:05,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:21:05,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:21:06,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1177 backedges. 220 proven. 950 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 12:21:06,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:21:06,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811554589] [2024-11-13 12:21:06,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811554589] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:21:06,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742544122] [2024-11-13 12:21:06,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:21:06,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:21:06,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:21:06,975 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:21:06,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-13 12:21:07,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:21:07,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 12:21:07,174 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:21:07,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1177 backedges. 220 proven. 950 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 12:21:07,625 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:21:08,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1177 backedges. 220 proven. 950 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 12:21:08,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [742544122] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:21:08,569 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:21:08,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 48 [2024-11-13 12:21:08,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377912435] [2024-11-13 12:21:08,570 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:21:08,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-13 12:21:08,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:21:08,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-13 12:21:08,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=599, Invalid=1657, Unknown=0, NotChecked=0, Total=2256 [2024-11-13 12:21:08,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:21:08,577 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:21:08,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 9.729166666666666) internal successors, (467), 48 states have internal predecessors, (467), 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) [2024-11-13 12:21:08,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:08,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:08,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:08,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:08,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:08,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:08,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:08,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:08,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:08,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:08,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:08,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:08,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:08,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:08,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:08,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:08,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:08,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:08,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:08,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-13 12:21:08,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-13 12:21:08,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-13 12:21:08,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:21:08,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:21:10,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:10,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:10,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:10,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:10,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:10,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:10,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:10,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:10,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:10,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:10,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:10,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:10,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:10,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:10,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:10,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:10,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:10,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:10,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:10,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-13 12:21:10,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-13 12:21:10,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-13 12:21:10,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:21:10,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-13 12:21:10,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-13 12:21:10,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-13 12:21:10,456 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:21:10,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:21:10,457 INFO L85 PathProgramCache]: Analyzing trace with hash 377913470, now seen corresponding path program 1 times [2024-11-13 12:21:10,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:21:10,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047512468] [2024-11-13 12:21:10,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:21:10,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:21:10,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:21:11,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1699 backedges. 602 proven. 1000 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-11-13 12:21:11,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:21:11,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047512468] [2024-11-13 12:21:11,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047512468] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:21:11,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [846529980] [2024-11-13 12:21:11,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:21:11,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:21:11,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:21:11,509 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:21:11,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-13 12:21:11,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:21:11,739 INFO L255 TraceCheckSpWp]: Trace formula consists of 837 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 12:21:11,743 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:21:12,134 INFO L134 CoverageAnalysis]: Checked inductivity of 1699 backedges. 602 proven. 1000 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-11-13 12:21:12,134 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:21:13,037 INFO L134 CoverageAnalysis]: Checked inductivity of 1699 backedges. 602 proven. 1000 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-11-13 12:21:13,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [846529980] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:21:13,038 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:21:13,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 48 [2024-11-13 12:21:13,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26928094] [2024-11-13 12:21:13,039 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:21:13,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-13 12:21:13,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:21:13,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-13 12:21:13,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=599, Invalid=1657, Unknown=0, NotChecked=0, Total=2256 [2024-11-13 12:21:13,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:21:13,044 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:21:13,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 9.9375) internal successors, (477), 48 states have internal predecessors, (477), 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) [2024-11-13 12:21:13,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:13,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:13,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:13,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:13,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:13,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:13,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:13,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:13,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:13,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:13,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:13,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:13,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:13,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:13,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:13,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:13,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:13,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:13,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:13,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-13 12:21:13,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-13 12:21:13,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-13 12:21:13,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:21:13,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-11-13 12:21:13,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:21:17,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:17,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:17,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:17,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:17,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:17,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:17,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:17,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:17,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:17,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:17,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:17,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:17,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:17,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:17,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:17,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:17,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:17,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:17,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:17,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-13 12:21:17,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-13 12:21:17,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-13 12:21:17,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:21:17,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-11-13 12:21:17,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-11-13 12:21:17,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-13 12:21:17,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-13 12:21:17,364 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:21:17,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:21:17,364 INFO L85 PathProgramCache]: Analyzing trace with hash 545152216, now seen corresponding path program 2 times [2024-11-13 12:21:17,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:21:17,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373531273] [2024-11-13 12:21:17,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:21:17,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:21:17,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:21:20,887 INFO L134 CoverageAnalysis]: Checked inductivity of 5221 backedges. 484 proven. 4730 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 12:21:20,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:21:20,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373531273] [2024-11-13 12:21:20,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373531273] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:21:20,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [272932157] [2024-11-13 12:21:20,888 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:21:20,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:21:20,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:21:20,890 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:21:20,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-13 12:21:21,028 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 12:21:21,028 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:21:21,031 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 12:21:21,038 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:21:21,762 INFO L134 CoverageAnalysis]: Checked inductivity of 5221 backedges. 484 proven. 88 refuted. 0 times theorem prover too weak. 4649 trivial. 0 not checked. [2024-11-13 12:21:21,762 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:21:22,460 INFO L134 CoverageAnalysis]: Checked inductivity of 5221 backedges. 484 proven. 88 refuted. 0 times theorem prover too weak. 4649 trivial. 0 not checked. [2024-11-13 12:21:22,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [272932157] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:21:22,461 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:21:22,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 4, 4] total 51 [2024-11-13 12:21:22,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18041923] [2024-11-13 12:21:22,461 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:21:22,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2024-11-13 12:21:22,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:21:22,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2024-11-13 12:21:22,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=651, Invalid=1899, Unknown=0, NotChecked=0, Total=2550 [2024-11-13 12:21:22,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:21:22,465 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:21:22,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 10.058823529411764) internal successors, (513), 51 states have internal predecessors, (513), 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) [2024-11-13 12:21:22,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:22,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:22,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:22,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:22,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:22,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:22,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:22,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:22,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:22,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:22,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:22,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:22,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:22,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:22,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:22,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:22,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:22,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:22,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:22,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-13 12:21:22,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-13 12:21:22,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-13 12:21:22,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:21:22,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-11-13 12:21:22,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-11-13 12:21:22,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:21:26,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:26,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:26,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:26,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:26,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:26,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:26,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:26,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:26,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:26,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:26,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:26,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:26,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:26,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:26,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:26,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:26,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:26,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:26,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:26,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-13 12:21:26,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-13 12:21:26,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-13 12:21:26,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:21:26,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-11-13 12:21:26,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-11-13 12:21:26,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-11-13 12:21:26,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-13 12:21:26,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-13 12:21:26,529 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:21:26,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:21:26,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1816411670, now seen corresponding path program 2 times [2024-11-13 12:21:26,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:21:26,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680759127] [2024-11-13 12:21:26,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:21:26,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:21:26,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:21:29,594 INFO L134 CoverageAnalysis]: Checked inductivity of 6247 backedges. 1310 proven. 4840 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-11-13 12:21:29,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:21:29,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680759127] [2024-11-13 12:21:29,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680759127] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:21:29,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108017470] [2024-11-13 12:21:29,594 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:21:29,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:21:29,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:21:29,597 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:21:29,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-13 12:21:30,013 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 12:21:30,013 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:21:30,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 1485 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-13 12:21:30,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:21:30,699 INFO L134 CoverageAnalysis]: Checked inductivity of 6247 backedges. 1310 proven. 4840 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-11-13 12:21:30,699 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:21:33,266 INFO L134 CoverageAnalysis]: Checked inductivity of 6247 backedges. 1310 proven. 4840 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-11-13 12:21:33,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [108017470] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:21:33,267 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:21:33,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 96 [2024-11-13 12:21:33,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533553269] [2024-11-13 12:21:33,268 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:21:33,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-11-13 12:21:33,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:21:33,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-11-13 12:21:33,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2351, Invalid=6769, Unknown=0, NotChecked=0, Total=9120 [2024-11-13 12:21:33,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:21:33,276 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:21:33,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 9.96875) internal successors, (957), 96 states have internal predecessors, (957), 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) [2024-11-13 12:21:33,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:33,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:33,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:33,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:33,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:33,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:33,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:33,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:33,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:33,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:33,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:33,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:33,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:33,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:33,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:33,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:33,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:33,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:33,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:33,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-13 12:21:33,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-13 12:21:33,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-13 12:21:33,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:21:33,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-11-13 12:21:33,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-11-13 12:21:33,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-11-13 12:21:33,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:21:40,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:40,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:40,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:40,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:40,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:40,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:40,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:40,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:40,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:40,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:40,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:40,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:40,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:40,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:40,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:40,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:40,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:40,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:40,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:40,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-13 12:21:40,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-13 12:21:40,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-13 12:21:40,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:21:40,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-11-13 12:21:40,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-11-13 12:21:40,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-11-13 12:21:40,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2024-11-13 12:21:40,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-13 12:21:40,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-13 12:21:40,652 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread4Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:21:40,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:21:40,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1983984446, now seen corresponding path program 3 times [2024-11-13 12:21:40,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:21:40,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822791130] [2024-11-13 12:21:40,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:21:40,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:21:41,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:21:51,744 INFO L134 CoverageAnalysis]: Checked inductivity of 23983 backedges. 2726 proven. 21160 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-11-13 12:21:51,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:21:51,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822791130] [2024-11-13 12:21:51,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822791130] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:21:51,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1988789949] [2024-11-13 12:21:51,745 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 12:21:51,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:21:51,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:21:51,747 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:21:51,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473d52f3-3dc6-4dcb-b818-c767b5372bfe/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-13 12:21:51,988 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-13 12:21:51,988 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:21:51,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 12:21:51,999 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:21:52,103 INFO L134 CoverageAnalysis]: Checked inductivity of 23983 backedges. 397 proven. 0 refuted. 0 times theorem prover too weak. 23586 trivial. 0 not checked. [2024-11-13 12:21:52,103 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:21:52,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1988789949] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:21:52,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 12:21:52,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [96] total 97 [2024-11-13 12:21:52,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784554313] [2024-11-13 12:21:52,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:21:52,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:21:52,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:21:52,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:21:52,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2353, Invalid=6959, Unknown=0, NotChecked=0, Total=9312 [2024-11-13 12:21:52,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:21:52,109 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:21:52,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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) [2024-11-13 12:21:52,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:52,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:52,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:52,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:52,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:21:52,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:52,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:52,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:52,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:52,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:52,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:21:52,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:52,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:52,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:52,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:52,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:52,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:52,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:21:52,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:21:52,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-13 12:21:52,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-13 12:21:52,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-13 12:21:52,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:21:52,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-11-13 12:21:52,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-11-13 12:21:52,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-11-13 12:21:52,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2024-11-13 12:21:52,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.