./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5e523f48 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdecf5d2-506c-46cb-b576-f8ae5da2db09/bin/ugemcutter-verify-jAHUagO94Y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdecf5d2-506c-46cb-b576-f8ae5da2db09/bin/ugemcutter-verify-jAHUagO94Y/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdecf5d2-506c-46cb-b576-f8ae5da2db09/bin/ugemcutter-verify-jAHUagO94Y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdecf5d2-506c-46cb-b576-f8ae5da2db09/bin/ugemcutter-verify-jAHUagO94Y/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdecf5d2-506c-46cb-b576-f8ae5da2db09/bin/ugemcutter-verify-jAHUagO94Y/config/svcomp-Overflow-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdecf5d2-506c-46cb-b576-f8ae5da2db09/bin/ugemcutter-verify-jAHUagO94Y --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 6efa0097353392a416215c2535cfc6cdc34364d9b0eb2844e37da9edef467642 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-5e523f4 [2024-11-21 00:38:32,247 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 00:38:32,305 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdecf5d2-506c-46cb-b576-f8ae5da2db09/bin/ugemcutter-verify-jAHUagO94Y/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2024-11-21 00:38:32,309 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 00:38:32,310 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 00:38:32,333 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 00:38:32,333 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 00:38:32,334 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 00:38:32,334 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 00:38:32,334 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 00:38:32,335 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 00:38:32,335 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 00:38:32,335 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 00:38:32,335 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 00:38:32,335 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 00:38:32,335 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 00:38:32,336 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 00:38:32,336 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 00:38:32,336 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 00:38:32,336 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 00:38:32,336 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 00:38:32,336 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 00:38:32,336 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-21 00:38:32,337 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-21 00:38:32,337 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 00:38:32,337 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 00:38:32,337 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-21 00:38:32,337 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 00:38:32,337 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 00:38:32,337 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 00:38:32,338 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 00:38:32,338 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 00:38:32,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 00:38:32,338 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 00:38:32,338 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 00:38:32,338 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-21 00:38:32,338 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 00:38:32,339 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 00:38:32,339 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-21 00:38:32,339 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 00:38:32,339 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 00:38:32,339 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-11-21 00:38:32,339 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-21 00:38:32,339 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-21 00:38:32,339 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-21 00:38:32,340 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_cdecf5d2-506c-46cb-b576-f8ae5da2db09/bin/ugemcutter-verify-jAHUagO94Y 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 -> 6efa0097353392a416215c2535cfc6cdc34364d9b0eb2844e37da9edef467642 [2024-11-21 00:38:32,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 00:38:32,621 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 00:38:32,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 00:38:32,626 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 00:38:32,627 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 00:38:32,629 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdecf5d2-506c-46cb-b576-f8ae5da2db09/bin/ugemcutter-verify-jAHUagO94Y/../../sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i [2024-11-21 00:38:35,758 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdecf5d2-506c-46cb-b576-f8ae5da2db09/bin/ugemcutter-verify-jAHUagO94Y/data/3556a0149/186750786e5f4c9586374d8781af071f/FLAG5f477babf [2024-11-21 00:38:36,074 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 00:38:36,075 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdecf5d2-506c-46cb-b576-f8ae5da2db09/sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i [2024-11-21 00:38:36,093 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdecf5d2-506c-46cb-b576-f8ae5da2db09/bin/ugemcutter-verify-jAHUagO94Y/data/3556a0149/186750786e5f4c9586374d8781af071f/FLAG5f477babf [2024-11-21 00:38:36,108 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdecf5d2-506c-46cb-b576-f8ae5da2db09/bin/ugemcutter-verify-jAHUagO94Y/data/3556a0149/186750786e5f4c9586374d8781af071f [2024-11-21 00:38:36,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 00:38:36,113 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 00:38:36,114 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 00:38:36,115 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 00:38:36,119 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 00:38:36,120 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:38:36" (1/1) ... [2024-11-21 00:38:36,123 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a367785 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:38:36, skipping insertion in model container [2024-11-21 00:38:36,123 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:38:36" (1/1) ... [2024-11-21 00:38:36,178 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 00:38:36,729 WARN L1675 CHandler]: Possible shadowing of function new [2024-11-21 00:38:36,730 WARN L1675 CHandler]: Possible shadowing of function new [2024-11-21 00:38:36,731 WARN L1675 CHandler]: Possible shadowing of function new [2024-11-21 00:38:36,731 WARN L1675 CHandler]: Possible shadowing of function new [2024-11-21 00:38:36,783 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 00:38:36,828 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 00:38:36,882 WARN L1675 CHandler]: Possible shadowing of function new [2024-11-21 00:38:36,882 WARN L1675 CHandler]: Possible shadowing of function new [2024-11-21 00:38:36,883 WARN L1675 CHandler]: Possible shadowing of function new [2024-11-21 00:38:36,883 WARN L1675 CHandler]: Possible shadowing of function new [2024-11-21 00:38:36,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 00:38:36,994 INFO L204 MainTranslator]: Completed translation [2024-11-21 00:38:36,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:38:36 WrapperNode [2024-11-21 00:38:36,996 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 00:38:36,998 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 00:38:36,998 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 00:38:36,998 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 00:38:37,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:38:36" (1/1) ... [2024-11-21 00:38:37,025 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:38:36" (1/1) ... [2024-11-21 00:38:37,057 INFO L138 Inliner]: procedures = 280, calls = 136, calls flagged for inlining = 12, calls inlined = 13, statements flattened = 321 [2024-11-21 00:38:37,057 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 00:38:37,058 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 00:38:37,058 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 00:38:37,058 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 00:38:37,066 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:38:36" (1/1) ... [2024-11-21 00:38:37,066 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:38:36" (1/1) ... [2024-11-21 00:38:37,071 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:38:36" (1/1) ... [2024-11-21 00:38:37,072 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:38:36" (1/1) ... [2024-11-21 00:38:37,089 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:38:36" (1/1) ... [2024-11-21 00:38:37,093 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:38:36" (1/1) ... [2024-11-21 00:38:37,098 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:38:36" (1/1) ... [2024-11-21 00:38:37,101 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:38:36" (1/1) ... [2024-11-21 00:38:37,102 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:38:36" (1/1) ... [2024-11-21 00:38:37,106 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 00:38:37,107 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 00:38:37,107 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 00:38:37,107 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 00:38:37,108 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:38:36" (1/1) ... [2024-11-21 00:38:37,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 00:38:37,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdecf5d2-506c-46cb-b576-f8ae5da2db09/bin/ugemcutter-verify-jAHUagO94Y/z3 [2024-11-21 00:38:37,150 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdecf5d2-506c-46cb-b576-f8ae5da2db09/bin/ugemcutter-verify-jAHUagO94Y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-21 00:38:37,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdecf5d2-506c-46cb-b576-f8ae5da2db09/bin/ugemcutter-verify-jAHUagO94Y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-21 00:38:37,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-21 00:38:37,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-21 00:38:37,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-21 00:38:37,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-21 00:38:37,179 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-21 00:38:37,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-21 00:38:37,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-21 00:38:37,179 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-21 00:38:37,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-21 00:38:37,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 00:38:37,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-21 00:38:37,180 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-21 00:38:37,180 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-21 00:38:37,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-21 00:38:37,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 00:38:37,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 00:38:37,182 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-21 00:38:37,402 INFO L234 CfgBuilder]: Building ICFG [2024-11-21 00:38:37,404 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 00:38:38,115 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-21 00:38:38,115 INFO L283 CfgBuilder]: Performing block encoding [2024-11-21 00:38:39,011 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 00:38:39,011 INFO L312 CfgBuilder]: Removed 11 assume(true) statements. [2024-11-21 00:38:39,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:38:39 BoogieIcfgContainer [2024-11-21 00:38:39,011 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 00:38:39,013 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 00:38:39,013 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 00:38:39,019 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 00:38:39,019 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:38:36" (1/3) ... [2024-11-21 00:38:39,020 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@595f6bad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:38:39, skipping insertion in model container [2024-11-21 00:38:39,021 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:38:36" (2/3) ... [2024-11-21 00:38:39,021 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@595f6bad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:38:39, skipping insertion in model container [2024-11-21 00:38:39,022 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:38:39" (3/3) ... [2024-11-21 00:38:39,023 INFO L128 eAbstractionObserver]: Analyzing ICFG 28-race_reach_92-evilcollapse_racing.i [2024-11-21 00:38:39,039 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 00:38:39,041 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 28-race_reach_92-evilcollapse_racing.i that has 2 procedures, 71 locations, 1 initial locations, 11 loop locations, and 16 error locations. [2024-11-21 00:38:39,042 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-21 00:38:39,125 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-21 00:38:39,188 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 00:38:39,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-21 00:38:39,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdecf5d2-506c-46cb-b576-f8ae5da2db09/bin/ugemcutter-verify-jAHUagO94Y/z3 [2024-11-21 00:38:39,193 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdecf5d2-506c-46cb-b576-f8ae5da2db09/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-21 00:38:39,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdecf5d2-506c-46cb-b576-f8ae5da2db09/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-21 00:38:39,316 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 00:38:39,328 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2024-11-21 00:38:39,338 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;@579fff49, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 00:38:39,338 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-21 00:38:39,638 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-21 00:38:39,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 00:38:39,644 INFO L85 PathProgramCache]: Analyzing trace with hash 901100764, now seen corresponding path program 1 times [2024-11-21 00:38:39,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 00:38:39,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866337033] [2024-11-21 00:38:39,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:38:39,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 00:38:39,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:38:40,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 00:38:40,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 00:38:40,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866337033] [2024-11-21 00:38:40,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866337033] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 00:38:40,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 00:38:40,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-21 00:38:40,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058103904] [2024-11-21 00:38:40,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 00:38:40,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 00:38:40,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 00:38:40,254 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 00:38:40,254 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 00:38:40,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:38:40,260 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 00:38:40,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 00:38:40,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:38:40,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:38:40,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-21 00:38:40,613 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-21 00:38:40,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 00:38:40,614 INFO L85 PathProgramCache]: Analyzing trace with hash -626138602, now seen corresponding path program 1 times [2024-11-21 00:38:40,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 00:38:40,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657019650] [2024-11-21 00:38:40,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:38:40,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 00:38:40,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:38:40,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 00:38:40,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 00:38:40,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657019650] [2024-11-21 00:38:40,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657019650] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 00:38:40,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 00:38:40,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-21 00:38:40,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437653537] [2024-11-21 00:38:40,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 00:38:40,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 00:38:40,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 00:38:40,828 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 00:38:40,828 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 00:38:40,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:38:40,829 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 00:38:40,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 00:38:40,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:38:40,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:38:41,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:38:41,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:38:41,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-21 00:38:41,099 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-21 00:38:41,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 00:38:41,100 INFO L85 PathProgramCache]: Analyzing trace with hash -993013975, now seen corresponding path program 1 times [2024-11-21 00:38:41,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 00:38:41,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093239579] [2024-11-21 00:38:41,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:38:41,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 00:38:41,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:38:41,632 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 00:38:41,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 00:38:41,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093239579] [2024-11-21 00:38:41,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093239579] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 00:38:41,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [417140171] [2024-11-21 00:38:41,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:38:41,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:38:41,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdecf5d2-506c-46cb-b576-f8ae5da2db09/bin/ugemcutter-verify-jAHUagO94Y/z3 [2024-11-21 00:38:41,636 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdecf5d2-506c-46cb-b576-f8ae5da2db09/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 00:38:41,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdecf5d2-506c-46cb-b576-f8ae5da2db09/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-21 00:38:41,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:38:41,952 INFO L256 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-21 00:38:41,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 00:38:41,997 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 00:38:41,999 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 00:38:42,057 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 00:38:42,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [417140171] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 00:38:42,060 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 00:38:42,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-21 00:38:42,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30003974] [2024-11-21 00:38:42,060 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 00:38:42,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-21 00:38:42,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 00:38:42,061 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-21 00:38:42,062 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-21 00:38:42,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:38:42,062 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 00:38:42,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 00:38:42,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:38:42,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:38:42,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:38:42,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:38:42,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:38:42,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 00:38:42,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdecf5d2-506c-46cb-b576-f8ae5da2db09/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-21 00:38:42,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdecf5d2-506c-46cb-b576-f8ae5da2db09/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-21 00:38:42,923 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-21 00:38:42,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 00:38:42,924 INFO L85 PathProgramCache]: Analyzing trace with hash -811792567, now seen corresponding path program 2 times [2024-11-21 00:38:42,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 00:38:42,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546844426] [2024-11-21 00:38:42,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:38:42,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 00:38:43,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:38:43,346 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-21 00:38:43,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 00:38:43,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546844426] [2024-11-21 00:38:43,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546844426] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 00:38:43,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [117532344] [2024-11-21 00:38:43,347 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 00:38:43,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:38:43,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdecf5d2-506c-46cb-b576-f8ae5da2db09/bin/ugemcutter-verify-jAHUagO94Y/z3 [2024-11-21 00:38:43,350 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdecf5d2-506c-46cb-b576-f8ae5da2db09/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 00:38:43,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdecf5d2-506c-46cb-b576-f8ae5da2db09/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-21 00:38:43,618 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-21 00:38:43,618 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 00:38:43,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-21 00:38:43,622 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 00:38:43,650 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-21 00:38:43,650 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 00:38:43,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [117532344] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 00:38:43,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 00:38:43,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-21 00:38:43,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111942480] [2024-11-21 00:38:43,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 00:38:43,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 00:38:43,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 00:38:43,652 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 00:38:43,652 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-21 00:38:43,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:38:43,652 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 00:38:43,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 00:38:43,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:38:43,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:38:43,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 00:38:43,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:38:43,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:38:43,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:38:43,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 00:38:43,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:38:43,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdecf5d2-506c-46cb-b576-f8ae5da2db09/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-21 00:38:44,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdecf5d2-506c-46cb-b576-f8ae5da2db09/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:38:44,117 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-21 00:38:44,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 00:38:44,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1420070127, now seen corresponding path program 1 times [2024-11-21 00:38:44,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 00:38:44,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440377501] [2024-11-21 00:38:44,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:38:44,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 00:38:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:38:44,470 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-21 00:38:44,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 00:38:44,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440377501] [2024-11-21 00:38:44,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440377501] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 00:38:44,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [750851603] [2024-11-21 00:38:44,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:38:44,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:38:44,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdecf5d2-506c-46cb-b576-f8ae5da2db09/bin/ugemcutter-verify-jAHUagO94Y/z3 [2024-11-21 00:38:44,473 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdecf5d2-506c-46cb-b576-f8ae5da2db09/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 00:38:44,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdecf5d2-506c-46cb-b576-f8ae5da2db09/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-21 00:38:44,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:38:44,806 INFO L256 TraceCheckSpWp]: Trace formula consists of 672 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 00:38:44,808 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 00:38:44,909 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 00:38:44,909 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 00:38:45,053 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 00:38:45,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [750851603] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 00:38:45,054 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 00:38:45,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 9, 9] total 19 [2024-11-21 00:38:45,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052510241] [2024-11-21 00:38:45,055 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 00:38:45,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-21 00:38:45,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 00:38:45,057 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-21 00:38:45,057 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2024-11-21 00:38:45,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:38:45,059 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 00:38:45,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.4210526315789473) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 00:38:45,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:38:45,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:38:45,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 00:38:45,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:38:45,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:38:46,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:38:46,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:38:46,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 00:38:46,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:38:46,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-21 00:38:46,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdecf5d2-506c-46cb-b576-f8ae5da2db09/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-21 00:38:47,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdecf5d2-506c-46cb-b576-f8ae5da2db09/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:38:47,109 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-21 00:38:47,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 00:38:47,110 INFO L85 PathProgramCache]: Analyzing trace with hash -699546836, now seen corresponding path program 2 times [2024-11-21 00:38:47,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 00:38:47,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891380008] [2024-11-21 00:38:47,110 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:38:47,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 00:38:47,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:38:48,025 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2024-11-21 00:38:48,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 00:38:48,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891380008] [2024-11-21 00:38:48,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891380008] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 00:38:48,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 00:38:48,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 00:38:48,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875670022] [2024-11-21 00:38:48,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 00:38:48,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 00:38:48,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 00:38:48,027 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 00:38:48,027 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-21 00:38:48,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:38:48,028 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 00:38:48,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 00:38:48,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:38:48,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:38:48,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 00:38:48,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:38:48,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-11-21 00:38:48,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:38:48,364 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2024-11-21 00:38:48,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:38:48,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:38:48,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 00:38:48,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:38:48,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-21 00:38:48,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:38:48,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-21 00:38:48,433 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-21 00:38:48,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 00:38:48,434 INFO L85 PathProgramCache]: Analyzing trace with hash 2056301893, now seen corresponding path program 1 times [2024-11-21 00:38:48,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 00:38:48,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024897214] [2024-11-21 00:38:48,434 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:38:48,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 00:38:48,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:38:49,934 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 262 proven. 112 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-11-21 00:38:49,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 00:38:49,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024897214] [2024-11-21 00:38:49,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024897214] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 00:38:49,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72803221] [2024-11-21 00:38:49,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:38:49,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:38:49,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdecf5d2-506c-46cb-b576-f8ae5da2db09/bin/ugemcutter-verify-jAHUagO94Y/z3 [2024-11-21 00:38:49,938 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdecf5d2-506c-46cb-b576-f8ae5da2db09/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 00:38:49,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdecf5d2-506c-46cb-b576-f8ae5da2db09/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-21 00:38:50,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:38:50,841 INFO L256 TraceCheckSpWp]: Trace formula consists of 1749 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-21 00:38:50,846 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 00:38:50,944 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 262 proven. 112 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-11-21 00:38:50,944 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 00:38:51,296 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 262 proven. 112 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-11-21 00:38:51,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [72803221] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 00:38:51,296 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 00:38:51,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-11-21 00:38:51,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12221841] [2024-11-21 00:38:51,297 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 00:38:51,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-21 00:38:51,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 00:38:51,298 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-21 00:38:51,299 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-11-21 00:38:51,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:38:51,300 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 00:38:51,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 3.176470588235294) internal successors, (108), 34 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 00:38:51,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:38:51,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:38:51,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 00:38:51,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:38:51,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-11-21 00:38:51,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:38:51,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:38:53,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:38:53,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:38:53,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 00:38:53,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:38:53,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-21 00:38:53,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:38:53,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-21 00:38:53,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdecf5d2-506c-46cb-b576-f8ae5da2db09/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-21 00:38:53,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdecf5d2-506c-46cb-b576-f8ae5da2db09/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:38:53,894 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-21 00:38:53,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 00:38:53,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1060307899, now seen corresponding path program 2 times [2024-11-21 00:38:53,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 00:38:53,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499783412] [2024-11-21 00:38:53,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:38:53,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 00:38:54,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:38:57,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2241 backedges. 1158 proven. 540 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-11-21 00:38:57,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 00:38:57,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499783412] [2024-11-21 00:38:57,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499783412] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 00:38:57,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1460363457] [2024-11-21 00:38:57,742 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 00:38:57,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:38:57,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdecf5d2-506c-46cb-b576-f8ae5da2db09/bin/ugemcutter-verify-jAHUagO94Y/z3 [2024-11-21 00:38:57,744 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdecf5d2-506c-46cb-b576-f8ae5da2db09/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 00:38:57,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdecf5d2-506c-46cb-b576-f8ae5da2db09/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-21 00:38:59,125 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 00:38:59,125 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 00:38:59,149 INFO L256 TraceCheckSpWp]: Trace formula consists of 3237 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-21 00:38:59,161 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 00:38:59,375 INFO L134 CoverageAnalysis]: Checked inductivity of 2241 backedges. 1158 proven. 540 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-11-21 00:38:59,376 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 00:39:00,669 INFO L134 CoverageAnalysis]: Checked inductivity of 2241 backedges. 1158 proven. 540 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-11-21 00:39:00,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1460363457] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 00:39:00,670 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 00:39:00,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 63 [2024-11-21 00:39:00,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074101534] [2024-11-21 00:39:00,670 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 00:39:00,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-11-21 00:39:00,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 00:39:00,672 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-11-21 00:39:00,674 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1023, Invalid=2883, Unknown=0, NotChecked=0, Total=3906 [2024-11-21 00:39:00,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:39:00,675 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 00:39:00,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 2.9047619047619047) internal successors, (183), 63 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 00:39:00,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:39:00,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:39:00,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 00:39:00,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:39:00,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-11-21 00:39:00,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:39:00,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-11-21 00:39:00,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:39:05,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:39:05,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 00:39:05,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 00:39:05,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:39:05,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-21 00:39:05,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:39:05,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-21 00:39:05,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-11-21 00:39:05,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdecf5d2-506c-46cb-b576-f8ae5da2db09/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-21 00:39:05,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdecf5d2-506c-46cb-b576-f8ae5da2db09/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:39:05,998 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-21 00:39:05,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 00:39:05,999 INFO L85 PathProgramCache]: Analyzing trace with hash -687550895, now seen corresponding path program 3 times [2024-11-21 00:39:05,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 00:39:05,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473104812] [2024-11-21 00:39:05,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:39:05,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 00:39:07,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:39:09,268 INFO L134 CoverageAnalysis]: Checked inductivity of 8976 backedges. 0 proven. 4566 refuted. 0 times theorem prover too weak. 4410 trivial. 0 not checked. [2024-11-21 00:39:09,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 00:39:09,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473104812] [2024-11-21 00:39:09,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473104812] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 00:39:09,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1448219247] [2024-11-21 00:39:09,270 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 00:39:09,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:39:09,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdecf5d2-506c-46cb-b576-f8ae5da2db09/bin/ugemcutter-verify-jAHUagO94Y/z3 [2024-11-21 00:39:09,275 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdecf5d2-506c-46cb-b576-f8ae5da2db09/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 00:39:09,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdecf5d2-506c-46cb-b576-f8ae5da2db09/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process