./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/config/svcomp-Overflow-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX --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 52746884466210ec366bc04a3a6cb03f413619353c73143d79c1024e676e598e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 09:30:51,935 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 09:30:51,990 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2024-12-05 09:30:51,994 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 09:30:51,995 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-05 09:30:52,013 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 09:30:52,014 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-05 09:30:52,014 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-05 09:30:52,015 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 09:30:52,015 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-05 09:30:52,015 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 09:30:52,015 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 09:30:52,015 INFO L153 SettingsManager]: * Use SBE=true [2024-12-05 09:30:52,015 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 09:30:52,015 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 09:30:52,015 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 09:30:52,016 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 09:30:52,016 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 09:30:52,016 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 09:30:52,016 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 09:30:52,016 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 09:30:52,016 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 09:30:52,016 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 09:30:52,016 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 09:30:52,016 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 09:30:52,016 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 09:30:52,016 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 09:30:52,016 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 09:30:52,016 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 09:30:52,017 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-05 09:30:52,017 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-05 09:30:52,017 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-05 09:30:52,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-05 09:30:52,017 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 09:30:52,017 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 09:30:52,017 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-05 09:30:52,017 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 09:30:52,017 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-05 09:30:52,017 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-05 09:30:52,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 09:30:52,017 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-05 09:30:52,018 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-12-05 09:30:52,018 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-05 09:30:52,018 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-05 09:30:52,018 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-05 09:30:52,018 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_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX 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 -> 52746884466210ec366bc04a3a6cb03f413619353c73143d79c1024e676e598e [2024-12-05 09:30:52,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 09:30:52,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 09:30:52,264 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 09:30:52,265 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 09:30:52,266 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 09:30:52,267 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/../../sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i [2024-12-05 09:30:54,886 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/data/1bda22a19/0f983321ce244a2cab338ea5b5d1be50/FLAG1277baa74 [2024-12-05 09:30:55,143 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 09:30:55,143 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i [2024-12-05 09:30:55,157 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/data/1bda22a19/0f983321ce244a2cab338ea5b5d1be50/FLAG1277baa74 [2024-12-05 09:30:55,469 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/data/1bda22a19/0f983321ce244a2cab338ea5b5d1be50 [2024-12-05 09:30:55,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 09:30:55,472 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 09:30:55,473 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 09:30:55,474 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 09:30:55,476 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 09:30:55,477 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:30:55" (1/1) ... [2024-12-05 09:30:55,478 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4893e5c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:30:55, skipping insertion in model container [2024-12-05 09:30:55,478 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:30:55" (1/1) ... [2024-12-05 09:30:55,505 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 09:30:55,786 WARN L1675 CHandler]: Possible shadowing of function new [2024-12-05 09:30:55,787 WARN L1675 CHandler]: Possible shadowing of function new [2024-12-05 09:30:55,787 WARN L1675 CHandler]: Possible shadowing of function new [2024-12-05 09:30:55,787 WARN L1675 CHandler]: Possible shadowing of function new [2024-12-05 09:30:55,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 09:30:55,839 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 09:30:55,879 WARN L1675 CHandler]: Possible shadowing of function new [2024-12-05 09:30:55,880 WARN L1675 CHandler]: Possible shadowing of function new [2024-12-05 09:30:55,880 WARN L1675 CHandler]: Possible shadowing of function new [2024-12-05 09:30:55,880 WARN L1675 CHandler]: Possible shadowing of function new [2024-12-05 09:30:55,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 09:30:55,931 INFO L204 MainTranslator]: Completed translation [2024-12-05 09:30:55,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:30:55 WrapperNode [2024-12-05 09:30:55,931 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 09:30:55,932 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 09:30:55,932 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 09:30:55,932 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 09:30:55,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:30:55" (1/1) ... [2024-12-05 09:30:55,950 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:30:55" (1/1) ... [2024-12-05 09:30:55,974 INFO L138 Inliner]: procedures = 273, calls = 95, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 187 [2024-12-05 09:30:55,974 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 09:30:55,974 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 09:30:55,974 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 09:30:55,974 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 09:30:55,981 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:30:55" (1/1) ... [2024-12-05 09:30:55,981 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:30:55" (1/1) ... [2024-12-05 09:30:55,985 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:30:55" (1/1) ... [2024-12-05 09:30:55,985 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:30:55" (1/1) ... [2024-12-05 09:30:55,993 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:30:55" (1/1) ... [2024-12-05 09:30:55,994 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:30:55" (1/1) ... [2024-12-05 09:30:55,996 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:30:55" (1/1) ... [2024-12-05 09:30:55,998 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:30:55" (1/1) ... [2024-12-05 09:30:55,999 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:30:55" (1/1) ... [2024-12-05 09:30:56,001 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 09:30:56,002 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 09:30:56,002 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 09:30:56,002 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 09:30:56,003 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:30:55" (1/1) ... [2024-12-05 09:30:56,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-05 09:30:56,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:30:56,025 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-12-05 09:30:56,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-12-05 09:30:56,045 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-05 09:30:56,046 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-05 09:30:56,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-05 09:30:56,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-05 09:30:56,046 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-12-05 09:30:56,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 09:30:56,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 09:30:56,046 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-12-05 09:30:56,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 09:30:56,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 09:30:56,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-05 09:30:56,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 09:30:56,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 09:30:56,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 09:30:56,048 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-05 09:30:56,157 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 09:30:56,159 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 09:30:56,479 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-05 09:30:56,480 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 09:30:56,937 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 09:30:56,937 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-05 09:30:56,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:30:56 BoogieIcfgContainer [2024-12-05 09:30:56,938 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 09:30:56,940 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-05 09:30:56,940 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-05 09:30:56,943 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-05 09:30:56,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 09:30:55" (1/3) ... [2024-12-05 09:30:56,944 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@859e694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 09:30:56, skipping insertion in model container [2024-12-05 09:30:56,944 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:30:55" (2/3) ... [2024-12-05 09:30:56,944 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@859e694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 09:30:56, skipping insertion in model container [2024-12-05 09:30:56,944 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:30:56" (3/3) ... [2024-12-05 09:30:56,945 INFO L128 eAbstractionObserver]: Analyzing ICFG 09-regions_21-arrayloop2_nr.i [2024-12-05 09:30:56,957 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-05 09:30:56,958 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 09-regions_21-arrayloop2_nr.i that has 2 procedures, 36 locations, 1 initial locations, 4 loop locations, and 10 error locations. [2024-12-05 09:30:56,958 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-05 09:30:57,010 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-12-05 09:30:57,049 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-05 09:30:57,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-05 09:30:57,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:30:57,051 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-12-05 09:30:57,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-12-05 09:30:57,129 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-05 09:30:57,137 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-05 09:30:57,143 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;@9369c18, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-05 09:30:57,143 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-12-05 09:30:57,189 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-05 09:30:57,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:30:57,195 INFO L85 PathProgramCache]: Analyzing trace with hash 15468405, now seen corresponding path program 1 times [2024-12-05 09:30:57,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:30:57,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267652593] [2024-12-05 09:30:57,204 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:30:57,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:30:57,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 09:30:57,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [623588803] [2024-12-05 09:30:57,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:30:57,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:30:57,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:30:57,348 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:30:57,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-05 09:30:57,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:30:57,466 INFO L256 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 09:30:57,469 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:30:57,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 09:30:57,491 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-05 09:30:57,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:30:57,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267652593] [2024-12-05 09:30:57,491 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-05 09:30:57,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [623588803] [2024-12-05 09:30:57,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [623588803] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 09:30:57,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 09:30:57,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-12-05 09:30:57,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634787423] [2024-12-05 09:30:57,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 09:30:57,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-05 09:30:57,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:30:57,517 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-05 09:30:57,518 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-05 09:30:57,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:30:57,522 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:30:57,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2024-12-05 09:30:57,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:30:57,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:30:57,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-05 09:30:57,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-05 09:30:57,806 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-05 09:30:57,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:30:57,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1980250586, now seen corresponding path program 1 times [2024-12-05 09:30:57,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:30:57,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322761433] [2024-12-05 09:30:57,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:30:57,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:30:57,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:30:58,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 09:30:58,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:30:58,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322761433] [2024-12-05 09:30:58,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322761433] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 09:30:58,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 09:30:58,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-05 09:30:58,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532772460] [2024-12-05 09:30:58,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 09:30:58,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-05 09:30:58,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:30:58,078 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-05 09:30:58,078 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-05 09:30:58,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:30:58,079 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:30:58,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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) [2024-12-05 09:30:58,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:30:58,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:30:58,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:30:58,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:30:58,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-05 09:30:58,441 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-05 09:30:58,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:30:58,442 INFO L85 PathProgramCache]: Analyzing trace with hash -466048017, now seen corresponding path program 1 times [2024-12-05 09:30:58,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:30:58,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148232397] [2024-12-05 09:30:58,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:30:58,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:30:58,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:30:58,726 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 09:30:58,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:30:58,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148232397] [2024-12-05 09:30:58,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148232397] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:30:58,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [75126916] [2024-12-05 09:30:58,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:30:58,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:30:58,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:30:58,728 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:30:58,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-05 09:30:58,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:30:58,942 INFO L256 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 09:30:58,943 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:30:58,981 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 09:30:58,981 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-05 09:30:58,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [75126916] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 09:30:58,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-05 09:30:58,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-12-05 09:30:58,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403611207] [2024-12-05 09:30:58,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 09:30:58,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-05 09:30:58,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:30:58,982 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-05 09:30:58,982 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-12-05 09:30:58,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:30:58,983 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:30:58,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 09:30:58,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:30:58,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:30:58,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:30:59,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:30:59,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:30:59,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:30:59,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-05 09:30:59,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:30:59,719 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-05 09:30:59,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:30:59,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1562586128, now seen corresponding path program 1 times [2024-12-05 09:30:59,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:30:59,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842580943] [2024-12-05 09:30:59,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:30:59,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:30:59,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:30:59,883 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 09:30:59,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:30:59,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842580943] [2024-12-05 09:30:59,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842580943] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 09:30:59,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 09:30:59,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-05 09:30:59,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201841180] [2024-12-05 09:30:59,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 09:30:59,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-05 09:30:59,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:30:59,885 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-05 09:30:59,885 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-05 09:30:59,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:30:59,886 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:30:59,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-12-05 09:30:59,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:30:59,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:30:59,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:30:59,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:30:59,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:30:59,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:30:59,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:30:59,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:30:59,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-05 09:30:59,994 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-05 09:30:59,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:30:59,995 INFO L85 PathProgramCache]: Analyzing trace with hash -2025063688, now seen corresponding path program 1 times [2024-12-05 09:30:59,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:30:59,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872154152] [2024-12-05 09:30:59,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:30:59,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:31:00,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:31:00,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 09:31:00,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:31:00,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872154152] [2024-12-05 09:31:00,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872154152] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:31:00,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83458703] [2024-12-05 09:31:00,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:31:00,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:31:00,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:31:00,110 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:31:00,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-05 09:31:00,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:31:00,272 INFO L256 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 09:31:00,273 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:31:00,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 09:31:00,296 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:31:00,331 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 09:31:00,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [83458703] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:31:00,332 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 09:31:00,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-12-05 09:31:00,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999563243] [2024-12-05 09:31:00,332 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 09:31:00,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-05 09:31:00,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:31:00,333 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-05 09:31:00,333 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-12-05 09:31:00,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:31:00,334 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:31:00,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.2) internal successors, (22), 10 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) [2024-12-05 09:31:00,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:31:00,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:31:00,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:31:00,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:31:00,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:31:00,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:31:00,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:31:00,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:31:00,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:31:00,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:31:00,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-05 09:31:01,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:31:01,019 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-05 09:31:01,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:31:01,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1077109208, now seen corresponding path program 2 times [2024-12-05 09:31:01,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:31:01,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927115008] [2024-12-05 09:31:01,019 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 09:31:01,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:31:01,072 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-05 09:31:01,072 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:31:01,110 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-05 09:31:01,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:31:01,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927115008] [2024-12-05 09:31:01,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927115008] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 09:31:01,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 09:31:01,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-05 09:31:01,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712827230] [2024-12-05 09:31:01,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 09:31:01,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-05 09:31:01,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:31:01,111 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-05 09:31:01,112 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-05 09:31:01,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:31:01,112 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:31:01,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-12-05 09:31:01,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:31:01,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:31:01,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:31:01,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:31:01,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:31:01,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:31:01,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:31:01,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:31:01,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:31:01,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:31:01,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:31:01,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:31:01,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-05 09:31:01,503 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-05 09:31:01,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:31:01,503 INFO L85 PathProgramCache]: Analyzing trace with hash -587792147, now seen corresponding path program 1 times [2024-12-05 09:31:01,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:31:01,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102006093] [2024-12-05 09:31:01,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:31:01,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:31:01,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:31:01,804 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 09:31:01,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:31:01,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102006093] [2024-12-05 09:31:01,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102006093] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:31:01,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1910797685] [2024-12-05 09:31:01,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:31:01,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:31:01,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:31:01,807 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:31:01,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-05 09:31:02,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:31:02,091 INFO L256 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 09:31:02,093 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:31:02,140 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 09:31:02,140 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:31:02,238 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 09:31:02,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1910797685] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:31:02,239 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 09:31:02,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-12-05 09:31:02,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411533480] [2024-12-05 09:31:02,239 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 09:31:02,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-05 09:31:02,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:31:02,240 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-05 09:31:02,240 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-12-05 09:31:02,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:31:02,241 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:31:02,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.7777777777777777) internal successors, (50), 18 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 09:31:02,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:31:02,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:31:02,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:31:02,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:31:02,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:31:02,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:31:02,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:31:03,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:31:03,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:31:03,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:31:03,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:31:03,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:31:03,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:31:03,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-05 09:31:03,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-05 09:31:03,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:31:03,394 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-05 09:31:03,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:31:03,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1168503597, now seen corresponding path program 2 times [2024-12-05 09:31:03,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:31:03,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206564026] [2024-12-05 09:31:03,395 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 09:31:03,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:31:03,540 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 09:31:03,540 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:31:04,082 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 52 proven. 112 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 09:31:04,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:31:04,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206564026] [2024-12-05 09:31:04,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206564026] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:31:04,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2106155690] [2024-12-05 09:31:04,082 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 09:31:04,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:31:04,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:31:04,084 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:31:04,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-05 09:31:04,412 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 09:31:04,412 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:31:04,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 1002 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 09:31:04,420 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:31:04,496 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 52 proven. 112 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 09:31:04,497 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:31:04,732 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 52 proven. 112 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 09:31:04,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2106155690] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:31:04,733 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 09:31:04,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-12-05 09:31:04,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011383185] [2024-12-05 09:31:04,733 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 09:31:04,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-12-05 09:31:04,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:31:04,734 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-12-05 09:31:04,734 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-12-05 09:31:04,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:31:04,734 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:31:04,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 2.6470588235294117) internal successors, (90), 34 states have internal predecessors, (90), 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) [2024-12-05 09:31:04,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:31:04,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:31:04,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:31:04,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:31:04,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:31:04,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:31:04,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-05 09:31:04,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:31:07,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:31:07,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:31:07,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:31:07,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:31:07,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:31:07,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:31:07,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-05 09:31:07,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-12-05 09:31:07,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-05 09:31:07,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:31:07,291 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-05 09:31:07,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:31:07,291 INFO L85 PathProgramCache]: Analyzing trace with hash 2097477549, now seen corresponding path program 3 times [2024-12-05 09:31:07,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:31:07,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629862867] [2024-12-05 09:31:07,292 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 09:31:07,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:31:12,432 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 17 check-sat command(s) [2024-12-05 09:31:12,432 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:31:13,820 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 108 proven. 540 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 09:31:13,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:31:13,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629862867] [2024-12-05 09:31:13,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629862867] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:31:13,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [700905057] [2024-12-05 09:31:13,821 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 09:31:13,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:31:13,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:31:13,823 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:31:13,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-05 09:31:14,273 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-05 09:31:14,274 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:31:14,277 INFO L256 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 09:31:14,280 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:31:14,487 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2024-12-05 09:31:14,487 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-05 09:31:14,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [700905057] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 09:31:14,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-05 09:31:14,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [33] total 39 [2024-12-05 09:31:14,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033656231] [2024-12-05 09:31:14,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 09:31:14,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-05 09:31:14,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:31:14,489 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-05 09:31:14,490 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=308, Invalid=1174, Unknown=0, NotChecked=0, Total=1482 [2024-12-05 09:31:14,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:31:14,490 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:31:14,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 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) [2024-12-05 09:31:14,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:31:14,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:31:14,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:31:14,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:31:14,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:31:14,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:31:14,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-05 09:31:14,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-12-05 09:31:14,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:31:15,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:31:15,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:31:15,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:31:15,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:31:15,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:31:15,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:31:15,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-05 09:31:15,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-12-05 09:31:15,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:31:15,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-05 09:31:15,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:31:15,496 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-05 09:31:15,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:31:15,496 INFO L85 PathProgramCache]: Analyzing trace with hash 597295056, now seen corresponding path program 1 times [2024-12-05 09:31:15,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:31:15,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761644473] [2024-12-05 09:31:15,496 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:31:15,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:31:15,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:31:17,129 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 123 proven. 540 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-05 09:31:17,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:31:17,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761644473] [2024-12-05 09:31:17,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761644473] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:31:17,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2100598485] [2024-12-05 09:31:17,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:31:17,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:31:17,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:31:17,131 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:31:17,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-05 09:31:17,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:31:17,754 INFO L256 TraceCheckSpWp]: Trace formula consists of 1747 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-05 09:31:17,758 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:31:17,868 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 123 proven. 540 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-05 09:31:17,869 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:31:18,593 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 123 proven. 540 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-05 09:31:18,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2100598485] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:31:18,593 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 09:31:18,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 63 [2024-12-05 09:31:18,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683205271] [2024-12-05 09:31:18,594 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 09:31:18,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-12-05 09:31:18,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:31:18,596 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-12-05 09:31:18,597 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1023, Invalid=2883, Unknown=0, NotChecked=0, Total=3906 [2024-12-05 09:31:18,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:31:18,598 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:31:18,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 2.619047619047619) internal successors, (165), 63 states have internal predecessors, (165), 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) [2024-12-05 09:31:18,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:31:18,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:31:18,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:31:18,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:31:18,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:31:18,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:31:18,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-05 09:31:18,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-12-05 09:31:18,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:31:18,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:31:23,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:31:23,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:31:23,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:31:23,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:31:23,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:31:23,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:31:23,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-05 09:31:23,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-12-05 09:31:23,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:31:23,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-12-05 09:31:23,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-05 09:31:23,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-12-05 09:31:23,966 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-05 09:31:23,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:31:23,967 INFO L85 PathProgramCache]: Analyzing trace with hash -276985989, now seen corresponding path program 2 times [2024-12-05 09:31:23,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:31:23,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520548148] [2024-12-05 09:31:23,967 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 09:31:23,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:32:14,356 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 09:32:14,356 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-12-05 09:32:14,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1587838115] [2024-12-05 09:32:14,380 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 09:32:14,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:32:14,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:32:14,382 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:32:14,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-12-05 09:32:17,277 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 09:32:17,277 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:32:17,295 INFO L256 TraceCheckSpWp]: Trace formula consists of 3142 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 09:32:17,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:32:17,457 INFO L134 CoverageAnalysis]: Checked inductivity of 2451 backedges. 2 proven. 243 refuted. 0 times theorem prover too weak. 2206 trivial. 0 not checked. [2024-12-05 09:32:17,457 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:32:21,015 INFO L134 CoverageAnalysis]: Checked inductivity of 2451 backedges. 183 proven. 62 refuted. 0 times theorem prover too weak. 2206 trivial. 0 not checked. [2024-12-05 09:32:21,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:32:21,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520548148] [2024-12-05 09:32:21,015 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-05 09:32:21,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1587838115] [2024-12-05 09:32:21,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1587838115] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:32:21,015 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-05 09:32:21,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 9 [2024-12-05 09:32:21,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198237214] [2024-12-05 09:32:21,015 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-05 09:32:21,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-05 09:32:21,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:32:21,016 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-05 09:32:21,016 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=74, Unknown=1, NotChecked=0, Total=110 [2024-12-05 09:32:21,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:32:21,017 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:32:21,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 09:32:21,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:32:21,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:32:21,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:32:21,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:32:21,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:32:21,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:32:21,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-05 09:32:21,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-12-05 09:32:21,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:32:21,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-12-05 09:32:21,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:32:21,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:32:21,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:32:21,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:32:21,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:32:21,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:32:21,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:32:21,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-05 09:32:21,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-12-05 09:32:21,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:32:21,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-12-05 09:32:21,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:32:21,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-12-05 09:32:21,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-12-05 09:32:21,740 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-05 09:32:21,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:32:21,741 INFO L85 PathProgramCache]: Analyzing trace with hash 593247143, now seen corresponding path program 1 times [2024-12-05 09:32:21,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:32:21,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398398567] [2024-12-05 09:32:21,741 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:32:21,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:32:22,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:32:22,945 INFO L134 CoverageAnalysis]: Checked inductivity of 8974 backedges. 4563 proven. 0 refuted. 0 times theorem prover too weak. 4411 trivial. 0 not checked. [2024-12-05 09:32:22,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:32:22,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398398567] [2024-12-05 09:32:22,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398398567] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 09:32:22,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 09:32:22,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-05 09:32:22,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53507202] [2024-12-05 09:32:22,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 09:32:22,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-05 09:32:22,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:32:22,947 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-05 09:32:22,947 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-05 09:32:22,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:32:22,947 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:32:22,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 09:32:22,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:32:22,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:32:22,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:32:22,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:32:22,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:32:22,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:32:22,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-05 09:32:22,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-12-05 09:32:22,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:32:22,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-12-05 09:32:22,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:32:22,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:32:23,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:32:23,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:32:23,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:32:23,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:32:23,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:32:23,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:32:23,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-05 09:32:23,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-12-05 09:32:23,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:32:23,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-12-05 09:32:23,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:32:23,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:32:23,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-12-05 09:32:23,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-12-05 09:32:23,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-12-05 09:32:23,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-12-05 09:32:23,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-12-05 09:32:23,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-12-05 09:32:23,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2024-12-05 09:32:23,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 8 remaining) [2024-12-05 09:32:23,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-05 09:32:23,365 INFO L422 BasicCegarLoop]: Path program histogram: [3, 2, 2, 1, 1, 1, 1, 1] [2024-12-05 09:32:23,366 INFO L319 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/3) [2024-12-05 09:32:23,370 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-05 09:32:23,371 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-05 09:32:23,371 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == fThread1of1ForFork0 ======== [2024-12-05 09:32:23,371 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;@9369c18, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-05 09:32:23,371 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-12-05 09:32:23,413 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-12-05 09:32:23,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:32:23,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1845586599, now seen corresponding path program 1 times [2024-12-05 09:32:23,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:32:23,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495643231] [2024-12-05 09:32:23,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:32:23,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:32:23,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:32:23,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 09:32:23,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:32:23,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495643231] [2024-12-05 09:32:23,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495643231] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 09:32:23,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 09:32:23,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-05 09:32:23,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426551381] [2024-12-05 09:32:23,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 09:32:23,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-05 09:32:23,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:32:23,452 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-05 09:32:23,452 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-05 09:32:23,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:32:23,453 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:32:23,453 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) [2024-12-05 09:32:23,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:32:23,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:32:23,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-05 09:32:23,654 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-12-05 09:32:23,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:32:23,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1966714785, now seen corresponding path program 1 times [2024-12-05 09:32:23,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:32:23,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013231464] [2024-12-05 09:32:23,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:32:23,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:32:23,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:32:23,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 09:32:23,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:32:23,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013231464] [2024-12-05 09:32:23,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013231464] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 09:32:23,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 09:32:23,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-05 09:32:23,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627669342] [2024-12-05 09:32:23,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 09:32:23,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-05 09:32:23,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:32:23,691 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-05 09:32:23,691 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-05 09:32:23,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:32:23,691 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:32:23,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 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) [2024-12-05 09:32:23,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:32:23,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:32:23,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:32:23,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:32:23,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-05 09:32:23,926 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-12-05 09:32:23,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:32:23,926 INFO L85 PathProgramCache]: Analyzing trace with hash -969582666, now seen corresponding path program 1 times [2024-12-05 09:32:23,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:32:23,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696438118] [2024-12-05 09:32:23,926 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:32:23,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:32:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:32:23,990 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 09:32:23,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:32:23,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696438118] [2024-12-05 09:32:23,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696438118] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:32:23,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [660455189] [2024-12-05 09:32:23,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:32:23,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:32:23,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:32:23,992 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:32:23,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-12-05 09:32:24,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:32:24,554 INFO L256 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 09:32:24,555 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:32:24,569 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 09:32:24,569 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:32:24,589 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 09:32:24,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [660455189] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:32:24,589 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 09:32:24,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-12-05 09:32:24,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840617086] [2024-12-05 09:32:24,589 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 09:32:24,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-05 09:32:24,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:32:24,590 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-05 09:32:24,590 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-12-05 09:32:24,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:32:24,590 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:32:24,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.0) internal successors, (40), 10 states have internal predecessors, (40), 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) [2024-12-05 09:32:24,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:32:24,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:32:24,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:32:25,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:32:25,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:32:25,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:32:25,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-12-05 09:32:25,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-12-05 09:32:25,882 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-12-05 09:32:25,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:32:25,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1956329834, now seen corresponding path program 2 times [2024-12-05 09:32:25,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:32:25,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73037858] [2024-12-05 09:32:25,882 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 09:32:25,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:32:25,936 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 09:32:25,936 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:32:25,989 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-05 09:32:25,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:32:25,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73037858] [2024-12-05 09:32:25,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73037858] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:32:25,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1633774377] [2024-12-05 09:32:25,990 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 09:32:25,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:32:25,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:32:25,991 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:32:25,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-12-05 09:32:26,561 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 09:32:26,561 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:32:26,563 INFO L256 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 09:32:26,564 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:32:26,617 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 09:32:26,617 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:32:26,699 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 09:32:26,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1633774377] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:32:26,699 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 09:32:26,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 9, 9] total 19 [2024-12-05 09:32:26,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545758859] [2024-12-05 09:32:26,699 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 09:32:26,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-12-05 09:32:26,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:32:26,700 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-12-05 09:32:26,700 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2024-12-05 09:32:26,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:32:26,700 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:32:26,700 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) [2024-12-05 09:32:26,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:32:26,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:32:26,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:32:26,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:32:28,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:32:28,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:32:28,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:32:28,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-12-05 09:32:28,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-12-05 09:32:28,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-12-05 09:32:28,312 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-12-05 09:32:28,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:32:28,312 INFO L85 PathProgramCache]: Analyzing trace with hash -310189383, now seen corresponding path program 3 times [2024-12-05 09:32:28,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:32:28,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870181859] [2024-12-05 09:32:28,312 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 09:32:28,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:32:29,196 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2024-12-05 09:32:29,196 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:32:29,350 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-12-05 09:32:29,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:32:29,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870181859] [2024-12-05 09:32:29,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870181859] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:32:29,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590487052] [2024-12-05 09:32:29,350 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 09:32:29,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:32:29,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:32:29,352 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:32:29,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff048f4a-8d06-4ba2-8234-e00870691c96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process