./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i --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_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/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_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/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_757ef6ba-b4be-48de-862c-c521bd334203/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 f41f3c018db74ffccd5759d166eb9816a1bf73b1747e3e539ecb5bf51feb56af --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 12:19:56,698 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 12:19:56,793 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2024-11-13 12:19:56,800 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 12:19:56,800 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 12:19:56,838 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 12:19:56,840 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 12:19:56,841 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 12:19:56,841 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 12:19:56,842 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 12:19:56,842 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 12:19:56,843 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 12:19:56,843 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 12:19:56,843 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 12:19:56,845 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 12:19:56,845 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 12:19:56,845 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 12:19:56,845 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 12:19:56,845 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 12:19:56,845 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 12:19:56,846 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 12:19:56,846 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 12:19:56,846 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 12:19:56,846 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 12:19:56,846 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 12:19:56,846 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 12:19:56,846 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 12:19:56,846 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 12:19:56,846 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 12:19:56,846 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 12:19:56,846 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 12:19:56,846 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 12:19:56,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 12:19:56,847 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 12:19:56,847 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 12:19:56,847 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 12:19:56,847 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 12:19:56,847 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-13 12:19:56,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 12:19:56,847 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 12:19:56,847 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-11-13 12:19:56,848 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-13 12:19:56,848 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-13 12:19:56,849 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-13 12:19:56,849 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_757ef6ba-b4be-48de-862c-c521bd334203/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 -> f41f3c018db74ffccd5759d166eb9816a1bf73b1747e3e539ecb5bf51feb56af [2024-11-13 12:19:57,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 12:19:57,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 12:19:57,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 12:19:57,204 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 12:19:57,204 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 12:19:57,206 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/../../sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i Unable to find full path for "g++" [2024-11-13 12:19:59,194 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 12:19:59,682 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 12:19:59,686 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i [2024-11-13 12:19:59,710 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/data/38652ad32/f4f7f84b64984ea5920cc1a918e39f91/FLAG5dc48cac4 [2024-11-13 12:19:59,734 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/data/38652ad32/f4f7f84b64984ea5920cc1a918e39f91 [2024-11-13 12:19:59,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 12:19:59,738 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 12:19:59,741 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 12:19:59,741 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 12:19:59,746 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 12:19:59,747 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:19:59" (1/1) ... [2024-11-13 12:19:59,748 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5df13f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:19:59, skipping insertion in model container [2024-11-13 12:19:59,749 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:19:59" (1/1) ... [2024-11-13 12:19:59,811 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 12:20:00,349 WARN L1684 CHandler]: Possible shadowing of function new [2024-11-13 12:20:00,349 WARN L1684 CHandler]: Possible shadowing of function new [2024-11-13 12:20:00,350 WARN L1684 CHandler]: Possible shadowing of function new [2024-11-13 12:20:00,350 WARN L1684 CHandler]: Possible shadowing of function new [2024-11-13 12:20:00,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:20:00,463 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 12:20:00,514 WARN L1684 CHandler]: Possible shadowing of function new [2024-11-13 12:20:00,515 WARN L1684 CHandler]: Possible shadowing of function new [2024-11-13 12:20:00,515 WARN L1684 CHandler]: Possible shadowing of function new [2024-11-13 12:20:00,516 WARN L1684 CHandler]: Possible shadowing of function new [2024-11-13 12:20:00,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:20:00,634 INFO L204 MainTranslator]: Completed translation [2024-11-13 12:20:00,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:20:00 WrapperNode [2024-11-13 12:20:00,635 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 12:20:00,636 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 12:20:00,636 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 12:20:00,636 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 12:20:00,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:20:00" (1/1) ... [2024-11-13 12:20:00,663 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:20:00" (1/1) ... [2024-11-13 12:20:00,711 INFO L138 Inliner]: procedures = 280, calls = 176, calls flagged for inlining = 11, calls inlined = 12, statements flattened = 441 [2024-11-13 12:20:00,711 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 12:20:00,712 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 12:20:00,712 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 12:20:00,712 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 12:20:00,720 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:20:00" (1/1) ... [2024-11-13 12:20:00,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:20:00" (1/1) ... [2024-11-13 12:20:00,728 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:20:00" (1/1) ... [2024-11-13 12:20:00,730 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:20:00" (1/1) ... [2024-11-13 12:20:00,761 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:20:00" (1/1) ... [2024-11-13 12:20:00,773 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:20:00" (1/1) ... [2024-11-13 12:20:00,781 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:20:00" (1/1) ... [2024-11-13 12:20:00,782 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:20:00" (1/1) ... [2024-11-13 12:20:00,788 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 12:20:00,791 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 12:20:00,791 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 12:20:00,791 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 12:20:00,792 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:20:00" (1/1) ... [2024-11-13 12:20:00,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 12:20:00,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:20:00,832 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 12:20:00,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 12:20:00,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 12:20:00,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 12:20:00,863 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2024-11-13 12:20:00,863 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2024-11-13 12:20:00,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 12:20:00,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 12:20:00,863 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-13 12:20:00,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 12:20:00,864 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-11-13 12:20:00,864 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-11-13 12:20:00,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 12:20:00,864 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-13 12:20:00,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 12:20:00,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 12:20:00,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 12:20:00,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 12:20:00,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 12:20:00,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 12:20:00,866 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 12:20:01,093 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 12:20:01,097 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 12:20:02,111 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 12:20:02,111 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 12:20:03,348 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 12:20:03,349 INFO L316 CfgBuilder]: Removed 30 assume(true) statements. [2024-11-13 12:20:03,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:20:03 BoogieIcfgContainer [2024-11-13 12:20:03,349 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 12:20:03,353 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 12:20:03,353 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 12:20:03,358 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 12:20:03,359 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 12:19:59" (1/3) ... [2024-11-13 12:20:03,360 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@508cf047 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:20:03, skipping insertion in model container [2024-11-13 12:20:03,361 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:20:00" (2/3) ... [2024-11-13 12:20:03,361 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@508cf047 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:20:03, skipping insertion in model container [2024-11-13 12:20:03,361 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:20:03" (3/3) ... [2024-11-13 12:20:03,362 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_90-arrayloop2_racing.i [2024-11-13 12:20:03,381 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 12:20:03,382 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 28-race_reach_90-arrayloop2_racing.i that has 3 procedures, 134 locations, 1 initial locations, 20 loop locations, and 30 error locations. [2024-11-13 12:20:03,383 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 12:20:03,536 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-13 12:20:03,602 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:20:03,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-13 12:20:03,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:20:03,607 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-13 12:20:03,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-13 12:20:03,650 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-13 12:20:03,663 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2_funThread1of1ForFork1 ======== [2024-11-13 12:20:03,673 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;@4dd16b0e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:20:03,673 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-13 12:20:04,229 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2024-11-13 12:20:04,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2024-11-13 12:20:04,382 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2024-11-13 12:20:04,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2024-11-13 12:20:04,677 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-13 12:20:04,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:20:04,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1934979244, now seen corresponding path program 1 times [2024-11-13 12:20:04,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:20:04,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064050232] [2024-11-13 12:20:04,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:04,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:20:04,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:05,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 12:20:05,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:20:05,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064050232] [2024-11-13 12:20:05,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064050232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:20:05,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:20:05,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:20:05,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232434395] [2024-11-13 12:20:05,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:20:05,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:20:05,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:20:05,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:20:05,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:20:05,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:05,226 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:20:05,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 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 12:20:05,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:05,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:05,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 12:20:05,613 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-13 12:20:05,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:20:05,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1157209239, now seen corresponding path program 1 times [2024-11-13 12:20:05,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:20:05,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865202527] [2024-11-13 12:20:05,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:05,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:20:05,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:05,858 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 12:20:05,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:20:05,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865202527] [2024-11-13 12:20:05,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865202527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:20:05,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:20:05,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:20:05,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849009468] [2024-11-13 12:20:05,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:20:05,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:20:05,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:20:05,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:20:05,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:20:05,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:05,862 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:20:05,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 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 12:20:05,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:05,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:06,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:06,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:06,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 12:20:06,234 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-13 12:20:06,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:20:06,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1057668434, now seen corresponding path program 1 times [2024-11-13 12:20:06,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:20:06,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588080456] [2024-11-13 12:20:06,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:06,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:20:06,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:06,687 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 12:20:06,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:20:06,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588080456] [2024-11-13 12:20:06,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588080456] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:20:06,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2001945460] [2024-11-13 12:20:06,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:06,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:20:06,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:20:06,691 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:20:06,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 12:20:06,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:06,992 INFO L255 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 12:20:07,001 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:20:07,039 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 12:20:07,039 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:20:07,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2001945460] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:20:07,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 12:20:07,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-13 12:20:07,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057791744] [2024-11-13 12:20:07,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:20:07,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:20:07,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:20:07,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:20:07,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 12:20:07,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:07,042 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:20:07,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:20:07,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:07,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:07,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:07,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:07,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:07,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:07,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-13 12:20:07,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:20:07,628 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-13 12:20:07,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:20:07,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1572018174, now seen corresponding path program 1 times [2024-11-13 12:20:07,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:20:07,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428577698] [2024-11-13 12:20:07,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:07,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:20:07,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:07,910 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 12:20:07,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:20:07,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428577698] [2024-11-13 12:20:07,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428577698] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:20:07,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67720324] [2024-11-13 12:20:07,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:07,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:20:07,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:20:07,913 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:20:07,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 12:20:08,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:08,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 12:20:08,165 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:20:08,179 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 12:20:08,179 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:20:08,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [67720324] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:20:08,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 12:20:08,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-13 12:20:08,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655824940] [2024-11-13 12:20:08,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:20:08,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:20:08,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:20:08,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:20:08,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 12:20:08,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:08,182 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:20:08,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 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 12:20:08,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:08,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:08,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:08,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:08,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:08,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:08,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:08,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:08,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 12:20:08,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-13 12:20:08,835 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t2_funErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-13 12:20:08,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:20:08,835 INFO L85 PathProgramCache]: Analyzing trace with hash 37514181, now seen corresponding path program 1 times [2024-11-13 12:20:08,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:20:08,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166111882] [2024-11-13 12:20:08,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:08,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:20:08,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:09,134 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 12:20:09,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:20:09,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166111882] [2024-11-13 12:20:09,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166111882] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:20:09,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [912712006] [2024-11-13 12:20:09,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:09,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:20:09,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:20:09,137 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:20:09,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 12:20:09,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:09,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 12:20:09,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:20:09,470 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 12:20:09,470 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:20:09,522 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 12:20:09,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [912712006] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:20:09,523 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:20:09,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-13 12:20:09,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387361718] [2024-11-13 12:20:09,524 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:20:09,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 12:20:09,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:20:09,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 12:20:09,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-13 12:20:09,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:09,528 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:20:09,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.7) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:20:09,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:09,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:09,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:09,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:09,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:10,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:10,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:10,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:10,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:10,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:10,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-13 12:20:10,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:20:10,604 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t2_funErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-13 12:20:10,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:20:10,605 INFO L85 PathProgramCache]: Analyzing trace with hash -763604443, now seen corresponding path program 2 times [2024-11-13 12:20:10,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:20:10,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931808325] [2024-11-13 12:20:10,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:10,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:20:10,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:11,013 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-13 12:20:11,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:20:11,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931808325] [2024-11-13 12:20:11,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931808325] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:20:11,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869408170] [2024-11-13 12:20:11,014 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:20:11,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:20:11,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:20:11,017 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:20:11,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 12:20:11,336 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 12:20:11,337 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:20:11,339 INFO L255 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 12:20:11,343 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:20:11,378 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-13 12:20:11,378 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:20:11,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [869408170] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:20:11,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 12:20:11,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-13 12:20:11,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097586073] [2024-11-13 12:20:11,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:20:11,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:20:11,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:20:11,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:20:11,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 12:20:11,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:11,382 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:20:11,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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 12:20:11,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:11,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:11,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:11,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:11,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:11,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:11,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:11,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:11,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:11,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:11,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:11,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:11,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-13 12:20:12,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:20:12,115 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t2_funErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-13 12:20:12,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:20:12,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1057122193, now seen corresponding path program 1 times [2024-11-13 12:20:12,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:20:12,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148847271] [2024-11-13 12:20:12,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:12,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:20:12,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:12,482 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-13 12:20:12,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:20:12,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148847271] [2024-11-13 12:20:12,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148847271] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:20:12,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1577346240] [2024-11-13 12:20:12,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:12,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:20:12,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:20:12,486 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:20:12,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 12:20:12,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:12,869 INFO L255 TraceCheckSpWp]: Trace formula consists of 830 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 12:20:12,872 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:20:12,981 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 12:20:12,981 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:20:13,143 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 12:20:13,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1577346240] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:20:13,144 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:20:13,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 9, 9] total 19 [2024-11-13 12:20:13,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037584893] [2024-11-13 12:20:13,144 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:20:13,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-13 12:20:13,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:20:13,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-13 12:20:13,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2024-11-13 12:20:13,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:13,149 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:20:13,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.894736842105263) internal successors, (93), 19 states have internal predecessors, (93), 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 12:20:13,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:13,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:13,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:13,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:13,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:13,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:13,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:15,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:15,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:15,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:15,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:15,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:15,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:15,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-13 12:20:15,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-13 12:20:15,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:20:15,341 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t2_funErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-13 12:20:15,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:20:15,341 INFO L85 PathProgramCache]: Analyzing trace with hash 23554221, now seen corresponding path program 2 times [2024-11-13 12:20:15,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:20:15,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006097206] [2024-11-13 12:20:15,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:15,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:20:15,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:16,210 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-11-13 12:20:16,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:20:16,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006097206] [2024-11-13 12:20:16,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006097206] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:20:16,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [354893047] [2024-11-13 12:20:16,211 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:20:16,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:20:16,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:20:16,213 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:20:16,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 12:20:16,786 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 12:20:16,786 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:20:16,790 INFO L255 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 12:20:16,798 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:20:16,883 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 491 trivial. 0 not checked. [2024-11-13 12:20:16,883 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:20:16,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [354893047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:20:16,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 12:20:16,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2024-11-13 12:20:16,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390067600] [2024-11-13 12:20:16,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:20:16,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:20:16,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:20:16,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:20:16,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 12:20:16,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:16,887 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:20:16,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 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 12:20:16,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:16,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:16,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:16,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:16,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:16,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:16,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-11-13 12:20:16,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:17,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:17,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:17,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:17,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:17,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:17,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:17,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-13 12:20:17,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:17,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-13 12:20:17,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:20:17,505 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t2_funErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-13 12:20:17,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:20:17,505 INFO L85 PathProgramCache]: Analyzing trace with hash 730182149, now seen corresponding path program 1 times [2024-11-13 12:20:17,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:20:17,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290419091] [2024-11-13 12:20:17,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:17,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:20:17,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:18,329 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-11-13 12:20:18,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:20:18,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290419091] [2024-11-13 12:20:18,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290419091] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:20:18,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2101235328] [2024-11-13 12:20:18,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:18,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:20:18,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:20:18,332 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:20:18,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-13 12:20:19,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:19,282 INFO L255 TraceCheckSpWp]: Trace formula consists of 1888 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 12:20:19,288 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:20:19,588 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 262 proven. 112 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2024-11-13 12:20:19,590 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:20:20,095 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 262 proven. 112 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2024-11-13 12:20:20,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2101235328] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:20:20,096 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:20:20,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 17, 17] total 35 [2024-11-13 12:20:20,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593745508] [2024-11-13 12:20:20,096 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:20:20,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-13 12:20:20,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:20:20,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-13 12:20:20,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=279, Invalid=911, Unknown=0, NotChecked=0, Total=1190 [2024-11-13 12:20:20,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:20,101 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:20:20,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 4.285714285714286) internal successors, (150), 35 states have internal predecessors, (150), 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 12:20:20,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:20,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:20,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:20,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:20,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:20,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:20,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-11-13 12:20:20,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:20,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:22,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:22,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:22,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:22,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:22,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:22,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:22,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-13 12:20:22,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:22,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-13 12:20:22,766 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2024-11-13 12:20:22,766 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2024-11-13 12:20:22,767 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2024-11-13 12:20:22,767 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2024-11-13 12:20:22,767 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2024-11-13 12:20:22,767 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2024-11-13 12:20:22,767 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2024-11-13 12:20:22,767 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2024-11-13 12:20:22,767 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2024-11-13 12:20:22,767 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2024-11-13 12:20:22,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-13 12:20:22,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:20:22,975 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1] [2024-11-13 12:20:22,976 INFO L320 ceAbstractionStarter]: Result for error location t2_funThread1of1ForFork1 was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/3) [2024-11-13 12:20:22,981 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:20:22,983 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-13 12:20:22,985 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1_funThread1of1ForFork0 ======== [2024-11-13 12:20:22,987 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;@4dd16b0e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:20:22,987 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-13 12:20:23,075 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t1_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t1_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t1_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t1_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 12:20:23,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:20:23,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1176116803, now seen corresponding path program 1 times [2024-11-13 12:20:23,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:20:23,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639181992] [2024-11-13 12:20:23,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:23,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:20:23,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:23,126 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 12:20:23,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:20:23,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639181992] [2024-11-13 12:20:23,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639181992] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:20:23,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:20:23,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:20:23,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371673226] [2024-11-13 12:20:23,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:20:23,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:20:23,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:20:23,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:20:23,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:20:23,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:23,127 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:20:23,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 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 12:20:23,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:23,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:23,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 12:20:23,446 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t1_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t1_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t1_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t1_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 12:20:23,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:20:23,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1853244163, now seen corresponding path program 1 times [2024-11-13 12:20:23,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:20:23,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931538335] [2024-11-13 12:20:23,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:23,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:20:23,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:23,504 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:20:23,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:20:23,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931538335] [2024-11-13 12:20:23,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931538335] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:20:23,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:20:23,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:20:23,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758251718] [2024-11-13 12:20:23,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:20:23,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:20:23,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:20:23,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:20:23,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:20:23,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:23,506 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:20:23,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 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 12:20:23,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:23,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:23,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:23,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:23,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 12:20:23,749 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t1_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t1_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t1_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t1_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 12:20:23,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:20:23,750 INFO L85 PathProgramCache]: Analyzing trace with hash -98147194, now seen corresponding path program 1 times [2024-11-13 12:20:23,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:20:23,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920756884] [2024-11-13 12:20:23,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:23,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:20:23,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:23,982 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:20:23,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:20:23,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920756884] [2024-11-13 12:20:23,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920756884] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:20:23,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1059081530] [2024-11-13 12:20:23,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:23,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:20:23,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:20:23,985 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:20:23,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-13 12:20:24,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:24,399 INFO L255 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 12:20:24,400 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:20:24,423 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:20:24,423 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:20:24,458 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:20:24,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1059081530] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:20:24,459 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:20:24,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-13 12:20:24,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109189227] [2024-11-13 12:20:24,459 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:20:24,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 12:20:24,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:20:24,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 12:20:24,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-13 12:20:24,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:24,461 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:20:24,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 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 12:20:24,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:24,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:24,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:25,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:25,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:25,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:25,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-13 12:20:25,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-13 12:20:25,338 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t1_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t1_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t1_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t1_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 12:20:25,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:20:25,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1430414618, now seen corresponding path program 2 times [2024-11-13 12:20:25,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:20:25,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559560613] [2024-11-13 12:20:25,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:25,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:20:25,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:25,519 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-13 12:20:25,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:20:25,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559560613] [2024-11-13 12:20:25,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559560613] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:20:25,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1429533629] [2024-11-13 12:20:25,520 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:20:25,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:20:25,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:20:25,522 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:20:25,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-13 12:20:25,941 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 12:20:25,942 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:20:25,944 INFO L255 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 12:20:25,945 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:20:25,967 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-13 12:20:25,967 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:20:25,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1429533629] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:20:25,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 12:20:25,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-13 12:20:25,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973835022] [2024-11-13 12:20:25,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:20:25,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:20:25,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:20:25,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:20:25,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 12:20:25,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:25,969 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:20:25,969 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 12:20:25,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:25,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:25,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:25,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:26,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:26,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:26,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:26,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:26,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-13 12:20:26,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-13 12:20:26,515 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t1_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t1_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t1_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t1_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 12:20:26,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:20:26,515 INFO L85 PathProgramCache]: Analyzing trace with hash 566619835, now seen corresponding path program 1 times [2024-11-13 12:20:26,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:20:26,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658357214] [2024-11-13 12:20:26,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:26,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:20:26,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:26,722 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-13 12:20:26,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:20:26,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658357214] [2024-11-13 12:20:26,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658357214] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:20:26,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217047267] [2024-11-13 12:20:26,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:26,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:20:26,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:20:26,725 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:20:26,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-13 12:20:27,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:27,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 12:20:27,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:20:27,301 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:20:27,302 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:20:27,435 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:20:27,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1217047267] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:20:27,435 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:20:27,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 9, 9] total 19 [2024-11-13 12:20:27,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027823942] [2024-11-13 12:20:27,435 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:20:27,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-13 12:20:27,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:20:27,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-13 12:20:27,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2024-11-13 12:20:27,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:27,437 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:20:27,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.4210526315789473) internal successors, (65), 19 states have internal predecessors, (65), 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 12:20:27,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:27,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:27,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:27,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:27,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:29,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:29,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:29,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:29,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:29,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-13 12:20:29,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-13 12:20:29,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-13 12:20:29,776 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t1_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t1_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t1_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t1_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 12:20:29,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:20:29,776 INFO L85 PathProgramCache]: Analyzing trace with hash 672524281, now seen corresponding path program 2 times [2024-11-13 12:20:29,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:20:29,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131743764] [2024-11-13 12:20:29,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:29,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:20:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:30,305 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2024-11-13 12:20:30,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:20:30,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131743764] [2024-11-13 12:20:30,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131743764] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:20:30,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:20:30,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 12:20:30,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299711545] [2024-11-13 12:20:30,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:20:30,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:20:30,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:20:30,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:20:30,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 12:20:30,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:30,309 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:20:30,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 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 12:20:30,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:30,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:30,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:30,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:30,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-11-13 12:20:30,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:30,947 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2024-11-13 12:20:30,950 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2024-11-13 12:20:31,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:31,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:31,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:31,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:31,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-13 12:20:31,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:31,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 12:20:31,015 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t1_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t1_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t1_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t1_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 12:20:31,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:20:31,016 INFO L85 PathProgramCache]: Analyzing trace with hash 843783894, now seen corresponding path program 1 times [2024-11-13 12:20:31,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:20:31,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885611222] [2024-11-13 12:20:31,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:31,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:20:31,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:32,166 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 262 proven. 112 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2024-11-13 12:20:32,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:20:32,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885611222] [2024-11-13 12:20:32,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885611222] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:20:32,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [115665598] [2024-11-13 12:20:32,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:32,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:20:32,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:20:32,169 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:20:32,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-13 12:20:33,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:33,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 1787 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 12:20:33,169 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:20:33,254 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 262 proven. 112 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2024-11-13 12:20:33,254 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:20:33,537 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 262 proven. 112 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2024-11-13 12:20:33,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [115665598] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:20:33,537 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:20:33,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-11-13 12:20:33,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879749798] [2024-11-13 12:20:33,537 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:20:33,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-13 12:20:33,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:20:33,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-13 12:20:33,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-11-13 12:20:33,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:33,540 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:20:33,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 3.176470588235294) internal successors, (108), 34 states have internal predecessors, (108), 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 12:20:33,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:33,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:33,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:33,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:33,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-11-13 12:20:33,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:33,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:35,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:35,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:35,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:35,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:35,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-13 12:20:35,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:35,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-13 12:20:35,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-13 12:20:35,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-13 12:20:35,670 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t1_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t1_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t1_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t1_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 12:20:35,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:20:35,671 INFO L85 PathProgramCache]: Analyzing trace with hash -828606250, now seen corresponding path program 2 times [2024-11-13 12:20:35,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:20:35,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793594319] [2024-11-13 12:20:35,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:35,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:20:36,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:38,991 INFO L134 CoverageAnalysis]: Checked inductivity of 2243 backedges. 1158 proven. 540 refuted. 0 times theorem prover too weak. 545 trivial. 0 not checked. [2024-11-13 12:20:38,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:20:38,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793594319] [2024-11-13 12:20:38,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793594319] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:20:38,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1879101128] [2024-11-13 12:20:38,992 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:20:38,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:20:38,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:20:38,994 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:20:38,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-13 12:20:40,691 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 12:20:40,691 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:20:40,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 3275 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 12:20:40,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:20:40,890 INFO L134 CoverageAnalysis]: Checked inductivity of 2243 backedges. 1158 proven. 540 refuted. 0 times theorem prover too weak. 545 trivial. 0 not checked. [2024-11-13 12:20:40,890 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:20:41,975 INFO L134 CoverageAnalysis]: Checked inductivity of 2243 backedges. 1158 proven. 540 refuted. 0 times theorem prover too weak. 545 trivial. 0 not checked. [2024-11-13 12:20:41,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1879101128] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:20:41,976 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:20:41,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 63 [2024-11-13 12:20:41,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614375705] [2024-11-13 12:20:41,976 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:20:41,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-11-13 12:20:41,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:20:41,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-11-13 12:20:41,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1023, Invalid=2883, Unknown=0, NotChecked=0, Total=3906 [2024-11-13 12:20:41,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:41,980 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:20:41,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 2.9047619047619047) internal successors, (183), 63 states have internal predecessors, (183), 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 12:20:41,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:41,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:41,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:41,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:41,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-11-13 12:20:41,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:41,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-11-13 12:20:41,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:20:47,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:47,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:20:47,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:20:47,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:47,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-13 12:20:47,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:20:47,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-13 12:20:47,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-11-13 12:20:47,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-13 12:20:47,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-13 12:20:47,720 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t1_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t1_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t1_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t1_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 12:20:47,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:20:47,720 INFO L85 PathProgramCache]: Analyzing trace with hash -2062804564, now seen corresponding path program 3 times [2024-11-13 12:20:47,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:20:47,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970934473] [2024-11-13 12:20:47,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:20:47,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:20:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:50,242 INFO L134 CoverageAnalysis]: Checked inductivity of 8978 backedges. 0 proven. 4566 refuted. 0 times theorem prover too weak. 4412 trivial. 0 not checked. [2024-11-13 12:20:50,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:20:50,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970934473] [2024-11-13 12:20:50,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970934473] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:20:50,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981206303] [2024-11-13 12:20:50,242 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 12:20:50,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:20:50,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:20:50,245 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:20:50,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757ef6ba-b4be-48de-862c-c521bd334203/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process